Release 1.10.1

Closes #160

.gitignore

@@ -1,6 +1,12 @@
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
+# TweetDuck installer builds
+bld/*
+!bld/*.iss
+!bld/*.bat
+!bld/Resources
+
 # User-specific files
 *.suo
 *.user
@@ -17,14 +23,11 @@
 [Rr]eleases/
 x64/
 x86/
-bld/
 [Bb]in/
 [Oo]bj/
 
 # Visual Studio 2015 cache/options directory
 .vs/
-# Uncomment if you have tasks that create the project's static files in wwwroot
-#wwwroot/
 
 # MSTest test Results
 [Tt]est[Rr]esult*/
@@ -34,11 +37,6 @@ bld/
 *.VisualState.xml
 TestResult.xml
 
-# Build Results of an ATL Project
-[Dd]ebugPS/
-[Rr]eleasePS/
-dlldata.c
-
 # DNX
 project.lock.json
 artifacts/
@@ -47,7 +45,6 @@ artifacts/
 *_p.c
 *_i.h
 *.ilk
-*.meta
 *.obj
 *.pch
 *.pdb
@@ -68,27 +65,12 @@ artifacts/
 *.svclog
 *.scc
 
-# Chutzpah Test files
-_Chutzpah*
-
-# Visual C++ cache files
-ipch/
-*.aps
-*.ncb
-*.opendb
-*.opensdf
-*.sdf
-*.cachefile
-
 # Visual Studio profiler
 *.psess
 *.vsp
 *.vspx
 *.sap
 
-# TFS 2012 Local Workspace
-$tf/
-
 # Guidance Automation Toolkit
 *.gpState
 
@@ -115,33 +97,9 @@ nCrunchTemp_*
 *.mm.*
 AutoTest.Net/
 
-# Web workbench (sass)
-.sass-cache/
-
-# Installshield output folder
-[Ee]xpress/
-
-# DocProject is a documentation generator add-in
-DocProject/buildhelp/
-DocProject/Help/*.HxT
-DocProject/Help/*.HxC
-DocProject/Help/*.hhc
-DocProject/Help/*.hhk
-DocProject/Help/*.hhp
-DocProject/Help/Html2
-DocProject/Help/html
-
 # Click-Once directory
 publish/
 
-# Publish Web Output
-*.[Pp]ublish.xml
-*.azurePubxml
-# TODO: Comment the next line if you want to checkin your web deploy settings 
-# but database connection strings (with potential passwords) will be unencrypted
-*.pubxml
-*.publishproj
-
 # NuGet Packages
 *.nupkg
 # The packages folder can be ignored because of Package Restore
@@ -154,17 +112,6 @@ publish/
 *.nuget.props
 *.nuget.targets
 
-# Microsoft Azure Build Output
-csx/
-*.build.csdef
-
-# Microsoft Azure Emulator
-ecf/
-rcf/
-
-# Microsoft Azure ApplicationInsights config file
-ApplicationInsights.config
-
 # Windows Store app package directory
 AppPackages/
 BundleArtifacts/
@@ -186,9 +133,6 @@ ClientBin/
 node_modules/
 orleans.codegen.cs
 
-# RIA/Silverlight projects
-Generated_Code/
-
 # Backup & report files from converting an old project file
 # to a newer Visual Studio version. Backup files are not needed,
 # because we have git ;-)
@@ -197,40 +141,3 @@ Backup*/
 UpgradeLog*.XML
 UpgradeLog*.htm
 
-# SQL Server files
-*.mdf
-*.ldf
-
-# Business Intelligence projects
-*.rdl.data
-*.bim.layout
-*.bim_*.settings
-
-# Microsoft Fakes
-FakesAssemblies/
-
-# GhostDoc plugin setting file
-*.GhostDoc.xml
-
-# Node.js Tools for Visual Studio
-.ntvs_analysis.dat
-
-# Visual Studio 6 build log
-*.plg
-
-# Visual Studio 6 workspace options file
-*.opt
-
-# Visual Studio LightSwitch build output
-**/*.HTMLClient/GeneratedArtifacts
-**/*.DesktopClient/GeneratedArtifacts
-**/*.DesktopClient/ModelManifest.xml
-**/*.Server/GeneratedArtifacts
-**/*.Server/ModelManifest.xml
-_Pvt_Extensions
-
-# Paket dependency manager
-.paket/paket.exe
-
-# FAKE - F# Make
-.fake/

Configuration/Arguments.cs

@@ -0,0 +1,48 @@
+using System;
+using TweetDuck.Data;
+
+namespace TweetDuck.Configuration{
+    static class Arguments{
+        // public args
+        public const string ArgDataFolder = "-datafolder";
+        public const string ArgLocale = "-locale";
+        public const string ArgLogging = "-log";
+        public const string ArgDebugUpdates = "-debugupdates";
+
+        // internal args
+        public const string ArgRestart = "-restart";
+        public const string ArgImportCookies = "-importcookies";
+        public const string ArgDeleteCookies = "-deletecookies";
+        public const string ArgUpdated = "-updated";
+
+        // class data and methods
+        private static readonly CommandLineArgs Current = CommandLineArgs.FromStringArray('-', Environment.GetCommandLineArgs());
+
+        public static bool HasFlag(string flag){
+            return Current.HasFlag(flag);
+        }
+
+        public static string GetValue(string key, string defaultValue){
+            return Current.GetValue(key, defaultValue);
+        }
+
+        public static CommandLineArgs GetCurrentClean(){
+            CommandLineArgs args = Current.Clone();
+            args.RemoveFlag(ArgRestart);
+            args.RemoveFlag(ArgImportCookies);
+            args.RemoveFlag(ArgDeleteCookies);
+            args.RemoveFlag(ArgUpdated);
+            return args;
+        }
+
+        public static CommandLineArgs GetCurrentForInstaller(){
+            CommandLineArgs args = GetCurrentClean();
+            args.AddFlag(ArgUpdated);
+            return args;
+        }
+
+        public static string GetCurrentForInstallerCmd(){
+            return GetCurrentForInstaller().ToString().Replace("\"", "::");
+        }
+    }
+}

Configuration/LockManager.cs

@@ -1,10 +1,19 @@
-using System;
+using System;
+using System.ComponentModel;
 using System.Diagnostics;
 using System.IO;
 using System.Threading;
+using TweetDuck.Core.Utils;
+using TweetLib.Communication;
+
+namespace TweetDuck.Configuration{
+    sealed class LockManager{
+        private const int RetryDelay = 250;
+
+        public enum Result{
+            Success, HasProcess, Fail
+        }
 
-namespace TweetDck.Configuration{
-    class LockManager{
         private readonly string file;
         private FileStream lockStream;
         private Process lockingProcess;
@@ -13,96 +22,168 @@ namespace TweetDck.Configuration{
             this.file = file;
         }
 
-        private bool CreateLockFile(){
+        // Lock file
+
+        private bool ReleaseLockFileStream(){
             if (lockStream != null){
-                throw new InvalidOperationException("Lock file already exists.");
+                lockStream.Dispose();
+                lockStream = null;
+                return true;
+            }
+            else{
+                return false;
+            }
+        }
+
+        private Result TryCreateLockFile(){
+            void CreateLockFileStream(){
+                lockStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.Read);
+                lockStream.Write(BitConverter.GetBytes(WindowsUtils.CurrentProcessID), 0, sizeof(int));
+                lockStream.Flush(true);
             }
 
             try{
-                lockStream = new FileStream(file,FileMode.Create,FileAccess.Write,FileShare.Read);
+                CreateLockFileStream();
+                return Result.Success;
+            }catch(DirectoryNotFoundException){
+                try{
+                    CreateLockFileStream();
+                    return Result.Success;
+                }catch{
+                    ReleaseLockFileStream();
+                    return Result.Fail;
+                }
+            }catch(IOException){
+                return Result.HasProcess;
+            }catch{
+                ReleaseLockFileStream();
+                return Result.Fail;
+            }
+        }
 
-                byte[] id = BitConverter.GetBytes(Process.GetCurrentProcess().Id);
+        // Lock management
-                lockStream.Write(id,0,id.Length);
-                lockStream.Flush();
 
-                if (lockingProcess != null){
+        public Result Lock(){
-                    lockingProcess.Close();
+            if (lockStream != null){
-                    lockingProcess = null;
+                return Result.Success;
+            }
+
+            Result initialResult = TryCreateLockFile();
+
+            if (initialResult == Result.HasProcess){
+                try{
+                    int pid;
+
+                    using(FileStream fileStream = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)){
+                        byte[] bytes = new byte[sizeof(int)];
+                        fileStream.Read(bytes, 0, bytes.Length);
+                        pid = BitConverter.ToInt32(bytes, 0);
+                    }
+
+                    try{
+                        Process foundProcess = Process.GetProcessById(pid);
+
+                        using(Process currentProcess = Process.GetCurrentProcess()){
+                            if (foundProcess.MainModule.FileVersionInfo.InternalName == currentProcess.MainModule.FileVersionInfo.InternalName){
+                                lockingProcess = foundProcess;
+                            }
+                            else{
+                                foundProcess.Close();
+                            }
+                        }
+                    }catch{
+                        // GetProcessById throws ArgumentException if the process is missing
+                        // Process.MainModule can throw exceptions in some cases
+                    }
+
+                    return lockingProcess == null ? Result.Fail : Result.HasProcess;
+                }catch{
+                    return Result.Fail;
+                }
+            }
+
+            return initialResult;
+        }
+
+        public Result LockWait(int timeout){
+            for(int elapsed = 0; elapsed < timeout; elapsed += RetryDelay){
+                Result result = Lock();
+
+                if (result == Result.HasProcess){
+                    Thread.Sleep(RetryDelay);
+                }
+                else{
+                    return result;
+                }
+            }
+
+            return Lock();
+        }
+
+        public bool Unlock(){
+            if (ReleaseLockFileStream()){
+                try{
+                    File.Delete(file);
+                }catch(Exception e){
+                    Program.Reporter.Log(e.ToString());
+                    return false;
+                }
             }
 
             return true;
-            }catch(Exception){
-                if (lockStream != null){
-                    lockStream.Close();
-                    lockStream.Dispose();
         }
 
-                return false;
+        // Locking process
-            }
-        }
 
-        public bool Lock(){
+        public bool RestoreLockingProcess(int failTimeout){
-            if (lockStream != null)return true;
-
-            try{
-                byte[] bytes = new byte[4];
-
-                using(FileStream fileStream = new FileStream(file,FileMode.Open,FileAccess.Read,FileShare.ReadWrite)){
-                    fileStream.Read(bytes,0,4);
-                }
-
-                int pid = BitConverter.ToInt32(bytes,0);
-
-                try{
-                    lockingProcess = Process.GetProcessById(pid);
-                }catch(ArgumentException){}
-
-                return lockingProcess == null && CreateLockFile();
-            }catch(DirectoryNotFoundException){
-                string dir = Path.GetDirectoryName(file);
-
-                if (dir != null){
-                    Directory.CreateDirectory(dir);
-                    return CreateLockFile();
-                }
-            }catch(FileNotFoundException){
-                return CreateLockFile();
-            }catch(Exception){
-                return false;
-            }
-
-            return false;
-        }
-
-        public void Unlock(){
-            if (lockStream != null){
-                lockStream.Close();
-                lockStream.Dispose();
-                File.Delete(file);
-
-                lockStream = null;
-            }
-        }
-
-        public bool CloseLockingProcess(int timeout){
             if (lockingProcess != null){
-                lockingProcess.CloseMainWindow();
+                if (lockingProcess.MainWindowHandle == IntPtr.Zero){ // restore if the original process is in tray
+                    Comms.BroadcastMessage(Program.WindowRestoreMessage, (uint)lockingProcess.Id, 0);
 
-                for(int waited = 0; waited < timeout && !lockingProcess.HasExited;){
+                    if (WindowsUtils.TrySleepUntil(() => CheckLockingProcessExited() || (lockingProcess.MainWindowHandle != IntPtr.Zero && lockingProcess.Responding), failTimeout, RetryDelay)){
-                    lockingProcess.Refresh();
+                        return true;
+                    }
+                }
+            }
 
-                    Thread.Sleep(100);
+            return false;
-                    waited += 100;
+        }
+
+        public bool CloseLockingProcess(int closeTimeout, int killTimeout){
+            if (lockingProcess != null){
+                try{
+                    if (lockingProcess.CloseMainWindow()){
+                        WindowsUtils.TrySleepUntil(CheckLockingProcessExited, closeTimeout, RetryDelay);
+                    }
+
+                    if (!lockingProcess.HasExited){
+                        lockingProcess.Kill();
+                        WindowsUtils.TrySleepUntil(CheckLockingProcessExited, killTimeout, RetryDelay);
                     }
 
                     if (lockingProcess.HasExited){
-                    lockingProcess.Close();
+                        lockingProcess.Dispose();
                         lockingProcess = null;
                         return true;
                     }
+                }catch(Exception ex){
+                    if (ex is InvalidOperationException || ex is Win32Exception){
+                        if (lockingProcess != null){
+                            bool hasExited = CheckLockingProcessExited();
+                            lockingProcess.Dispose();
+                            return hasExited;
+                        }
+                    }
+                    else throw;
+                }
             }
 
             return false;
         }
+
+        private bool CheckLockingProcessExited(){
+            lockingProcess.Refresh();
+            return lockingProcess.HasExited;
+        }
     }
 }

Configuration/SystemConfig.cs

@@ -0,0 +1,60 @@
+using System;
+using System.IO;
+using TweetDuck.Core.Utils;
+using TweetDuck.Data.Serialization;
+
+namespace TweetDuck.Configuration{
+    sealed class SystemConfig{
+        private static readonly FileSerializer<SystemConfig> Serializer = new FileSerializer<SystemConfig>();
+
+        public static readonly bool IsHardwareAccelerationSupported = File.Exists(Path.Combine(Program.ProgramPath, "libEGL.dll")) &&
+                                                                      File.Exists(Path.Combine(Program.ProgramPath, "libGLESv2.dll"));
+
+        // CONFIGURATION DATA
+
+        private bool _hardwareAcceleration = true;
+
+        public bool EnableBrowserGCReload { get; set; } = true;
+        public int BrowserMemoryThreshold { get; set; } = 400;
+
+        // SPECIAL PROPERTIES
+        
+        public bool HardwareAcceleration{
+            get => _hardwareAcceleration && IsHardwareAccelerationSupported;
+            set => _hardwareAcceleration = value;
+        }
+
+        // END OF CONFIG
+
+        private readonly string file;
+        
+        private SystemConfig(string file){
+            this.file = file;
+        }
+
+        public bool Save(){
+            try{
+                WindowsUtils.CreateDirectoryForFile(file);
+                Serializer.Write(file, this);
+                return true;
+            }catch(Exception e){
+                Program.Reporter.HandleException("Configuration Error", "Could not save the system configuration file.", true, e);
+                return false;
+            }
+        }
+        
+        public static SystemConfig Load(string file){
+            SystemConfig config = new SystemConfig(file);
+            
+            try{
+                Serializer.Read(file, config);
+            }catch(FileNotFoundException){
+            }catch(DirectoryNotFoundException){
+            }catch(Exception e){
+                Program.Reporter.HandleException("Configuration Error", "Could not open the system configuration file. If you continue, you will lose system specific configuration such as Hardware Acceleration.", true, e);
+            }
+
+            return config;
+        }
+    }
+}

Configuration/UserConfig.cs

@@ -1,95 +1,160 @@
 using System;
+using System.Collections.Generic;
 using System.Drawing;
 using System.IO;
-using System.Runtime.Serialization;
+using TweetDuck.Core;
-using System.Runtime.Serialization.Formatters.Binary;
+using TweetDuck.Core.Controls;
-using TweetDck.Core.Handling;
+using TweetDuck.Core.Notification;
+using TweetDuck.Core.Utils;
+using TweetDuck.Data;
+using TweetDuck.Data.Serialization;
 
-namespace TweetDck.Configuration{
+namespace TweetDuck.Configuration{
-    [Serializable]
     sealed class UserConfig{
-        private static readonly IFormatter Formatter = new BinaryFormatter(){
+        private static readonly FileSerializer<UserConfig> Serializer = new FileSerializer<UserConfig>{ HandleUnknownProperties = HandleUnknownProperties };
-            Binder = new SerializationCompatibilityHandler()
-        };
 
-        private const int CurrentFileVersion = 1;
+        private static void HandleUnknownProperties(UserConfig obj, Dictionary<string, string> data){
+            data.Remove("EnableBrowserGCReload");
+            data.Remove("BrowserMemoryThreshold");
 
-        // START OF CONFIGURATION
+            if (data.Count == 0){
-
+                obj.Save();
-        public bool IgnoreMigration { get; set; }
-        public bool IgnoreUninstallCheck { get; set; }
-
-        public bool IsMaximized { get; set; }
-        public Point WindowLocation { get; set; }
-        public Size WindowSize { get; set; }
-
-        public bool MinimizeToTray { get; set; }
-        public bool DisplayNotificationTimer { get; set; }
-
-        public TweetNotification.Duration NotificationDuration { get; set; }
-        public TweetNotification.Position NotificationPosition { get; set; }
-        public Point CustomNotificationPosition { get; set; }
-        public int NotificationEdgeDistance { get; set; }
-        public int NotificationDisplay { get; set; }
-
-        public bool EnableUpdateCheck { get; set; }
-        public string DismissedUpdate { get; set; }
-
-        public bool IsCustomWindowLocationSet{
-            get{
-                return WindowLocation.X != -32000 && WindowLocation.X != 32000;
             }
         }
 
-        public bool IsCustomNotificationPositionSet{
+        static UserConfig(){
-            get{
+            Serializer.RegisterTypeConverter(typeof(WindowState), WindowState.Converter);
-                return CustomNotificationPosition.X != -32000 && CustomNotificationPosition.X != 32000;
+
+            Serializer.RegisterTypeConverter(typeof(Point), new SingleTypeConverter<Point>{
+                ConvertToString = value => $"{value.X} {value.Y}",
+                ConvertToObject = value => {
+                    int[] elements = StringUtils.ParseInts(value, ' ');
+                    return new Point(elements[0], elements[1]);
+                }
+            });
+            
+            Serializer.RegisterTypeConverter(typeof(Size), new SingleTypeConverter<Size>{
+                ConvertToString = value => $"{value.Width} {value.Height}",
+                ConvertToObject = value => {
+                    int[] elements = StringUtils.ParseInts(value, ' ');
+                    return new Size(elements[0], elements[1]);
+                }
+            });
+        }
+        
+        // CONFIGURATION DATA
+
+        public bool FirstRun            { get; set; } = true;
+        public bool AllowDataCollection { get; set; } = false;
+
+        public WindowState BrowserWindow { get; set; } = new WindowState();
+        public WindowState PluginsWindow { get; set; } = new WindowState();
+
+        public bool ExpandLinksOnHover      { get; set; } = true;
+        public bool SwitchAccountSelectors  { get; set; } = true;
+        public bool OpenSearchInFirstColumn { get; set; } = true;
+        public bool BestImageQuality        { get; set; } = true;
+        public bool EnableSpellCheck        { get; set; } = false;
+        public int VideoPlayerVolume        { get; set; } = 50;
+        private int _zoomLevel                           = 100;
+        private bool _muteNotifications;
+        
+        private TrayIcon.Behavior _trayBehavior       = TrayIcon.Behavior.Disabled;
+        public bool EnableTrayHighlight { get; set; } = true;
+
+        public bool EnableUpdateCheck { get; set; } = true;
+        public string DismissedUpdate { get; set; } = null;
+
+        public bool DisplayNotificationColumn    { get; set; } = false;
+        public bool NotificationMediaPreviews    { get; set; } = true;
+        public bool NotificationSkipOnLinkClick  { get; set; } = false;
+        public bool NotificationNonIntrusiveMode { get; set; } = true;
+        public int NotificationIdlePauseSeconds  { get; set; } = 0;
+
+        public bool DisplayNotificationTimer     { get; set; } = true;
+        public bool NotificationTimerCountDown   { get; set; } = false;
+        public int NotificationDurationValue     { get; set; } = 25;
+
+        public TweetNotification.Position NotificationPosition { get; set; } = TweetNotification.Position.TopRight;
+        public Point CustomNotificationPosition                { get; set; } = ControlExtensions.InvisibleLocation;
+        public int NotificationDisplay                         { get; set; } = 0;
+        public int NotificationEdgeDistance                    { get; set; } = 8;
+
+        public TweetNotification.Size NotificationSize { get; set; } = TweetNotification.Size.Auto;
+        public Size CustomNotificationSize             { get; set; } = Size.Empty;
+        public int NotificationScrollSpeed             { get; set; } = 10;
+
+        public int NotificationSoundVolume { get; set; } = 100;
+        private string _notificationSoundPath;
+
+        public string CustomCefArgs         { get; set; } = null;
+        public string CustomBrowserCSS      { get; set; } = null;
+        public string CustomNotificationCSS { get; set; } = null;
+        
+        // SPECIAL PROPERTIES
+
+        public bool IsCustomNotificationPositionSet => CustomNotificationPosition != ControlExtensions.InvisibleLocation;
+        public bool IsCustomNotificationSizeSet => CustomNotificationSize != Size.Empty;
+
+        public TwitterUtils.ImageQuality TwitterImageQuality => BestImageQuality ? TwitterUtils.ImageQuality.Orig : TwitterUtils.ImageQuality.Default;
+
+        public string NotificationSoundPath{
+            get => string.IsNullOrEmpty(_notificationSoundPath) ? string.Empty : _notificationSoundPath;
+            set => _notificationSoundPath = value;
+        }
+
+        public bool MuteNotifications{
+            get => _muteNotifications;
+
+            set{
+                if (_muteNotifications != value){
+                    _muteNotifications = value;
+                    MuteToggled?.Invoke(this, EventArgs.Empty);
+                }
             }
         }
 
-        // END OF CONFIGURATION
+        public int ZoomLevel{
+            get => _zoomLevel;
 
-        [NonSerialized]
+            set{
-        private string file;
+                if (_zoomLevel != value){
+                    _zoomLevel = value;
+                    ZoomLevelChanged?.Invoke(this, EventArgs.Empty);
+                }
+            }
+        }
 
-        private int fileVersion;
+        public double ZoomMultiplier => _zoomLevel/100.0;
+
+        public TrayIcon.Behavior TrayBehavior{
+            get => _trayBehavior;
+
+            set{
+                if (_trayBehavior != value){
+                    _trayBehavior = value;
+                    TrayBehaviorChanged?.Invoke(this, EventArgs.Empty);
+                }
+            }
+        }
+
+        // EVENTS
+        
+        public event EventHandler MuteToggled;
+        public event EventHandler ZoomLevelChanged;
+        public event EventHandler TrayBehaviorChanged;
+
+        // END OF CONFIG
+        
+        private readonly string file;
 
         private UserConfig(string file){
             this.file = file;
-
-            IsMaximized = true;
-            DisplayNotificationTimer = true;
-            WindowLocation = new Point(-32000,-32000);
-            NotificationDuration = TweetNotification.Duration.Medium;
-            NotificationPosition = TweetNotification.Position.TopRight;
-            CustomNotificationPosition = new Point(-32000,-32000);
-            NotificationEdgeDistance = 8;
-            EnableUpdateCheck = true;
-        }
-
-        private void UpgradeFile(){
-            if (fileVersion == CurrentFileVersion){
-                return;
-            }
-
-            // if outdated, cycle through all versions
-            if (fileVersion == 0){
-                DisplayNotificationTimer = true;
-                EnableUpdateCheck = true;
-                ++fileVersion;
-            }
-
-            // update the version
-            fileVersion = CurrentFileVersion;
-            Save();
         }
 
         public bool Save(){
             try{
-                string directory = Path.GetDirectoryName(file);
+                WindowsUtils.CreateDirectoryForFile(file);
-                if (directory == null)return false;
-
-                Directory.CreateDirectory(directory);
 
                 if (File.Exists(file)){
                     string backupFile = GetBackupFile(file);
@@ -97,57 +162,73 @@ namespace TweetDck.Configuration{
                     File.Move(file, backupFile);
                 }
 
-                using(Stream stream = new FileStream(file,FileMode.Create,FileAccess.Write,FileShare.None)){
+                Serializer.Write(file, this);
-                    Formatter.Serialize(stream,this);
-                }
-
                 return true;
             }catch(Exception e){
-                Program.HandleException("Could not save the configuration file.",e);
+                Program.Reporter.HandleException("Configuration Error", "Could not save the configuration file.", true, e);
                 return false;
             }
         }
 
+        public bool Reload(){
+            try{
+                LoadInternal(false);
+                return true;
+            }catch(FileNotFoundException){
+                try{
+                    Serializer.Write(file, new UserConfig(file));
+                    LoadInternal(false);
+                    return true;
+                }catch(Exception e){
+                    Program.Reporter.HandleException("Configuration Error", "Could not regenerate configuration file.", true, e);
+                    return false;
+                }
+            }catch(Exception e){
+                Program.Reporter.HandleException("Configuration Error", "Could not reload configuration file.", true, e);
+                return false;
+            }
+        }
+
+        private void LoadInternal(bool backup){
+            Serializer.Read(backup ? GetBackupFile(file) : file, this);
+        }
+        
         public static UserConfig Load(string file){
-            UserConfig config = null;
+            Exception firstException = null;
 
             for(int attempt = 0; attempt < 2; attempt++){
                 try{
-                    using(Stream stream = new FileStream(attempt == 0 ? file : GetBackupFile(file),FileMode.Open,FileAccess.Read,FileShare.Read)){
+                    UserConfig config = new UserConfig(file);
-                        if ((config = Formatter.Deserialize(stream) as UserConfig) != null){
+                    config.LoadInternal(attempt > 0);
-                            config.file = file;
+                    return config;
-                        }
-                    }
-                    
-                    if (config != null){
-                        config.UpgradeFile();
-                    }
-
-                    break;
                 }catch(FileNotFoundException){
+                }catch(DirectoryNotFoundException){
+                    break;
                 }catch(Exception e){
-                    Program.HandleException("Could not open the configuration file.",e);
+                    if (attempt == 0){
+                        firstException = e;
+                        Program.Reporter.Log(e.ToString());
+                    }
+                    else if (firstException is FormatException){
+                        Program.Reporter.HandleException("Configuration Error", "The configuration file is outdated or corrupted. If you continue, your program options will be reset.", true, e);
+                        return new UserConfig(file);
+                    }
+                    else if (firstException != null){
+                        Program.Reporter.HandleException("Configuration Error", "Could not open the backup configuration file. If you continue, your program options will be reset.", true, e);
+                        return new UserConfig(file);
+                    }
                 }
             }
 
-            return config ?? new UserConfig(file);
+            if (firstException != null){
+                Program.Reporter.HandleException("Configuration Error", "Could not open the configuration file.", true, firstException);
             }
 
-        private static string GetBackupFile(string file){
+            return new UserConfig(file);
+        }
+
+        public static string GetBackupFile(string file){
             return file+".bak";
         }
-
-        private class SerializationCompatibilityHandler : SerializationBinder{
-            public override Type BindToType(string assemblyName, string typeName){
-                #if DUCK
-                assemblyName = assemblyName.Replace("TweetDick","TweetDuck");
-                #else
-                assemblyName = assemblyName.Replace("TweetDuck","TweetDick");
-                #endif
-
-                typeName = typeName.Replace("TweetDick","TweetDck");
-                return Type.GetType(string.Format("{0}, {1}",typeName,assemblyName));
-            }
-        }
     }
 }

Configuration/app.config

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0,Profile=Client"/></startup></configuration>

Configuration/packages.config

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
-  <package id="cef.redist.x64" version="3.2623.1396" targetFramework="net40-Client" />
-  <package id="cef.redist.x86" version="3.2623.1396" targetFramework="net40-Client" />
-  <package id="CefSharp.Common" version="49.0.0-pre02" targetFramework="net40-Client" />
-  <package id="CefSharp.WinForms" version="49.0.0-pre02" targetFramework="net40-Client" />
-  <package id="Microsoft.VC120.CRT.JetBrains" version="12.0.21005.2" targetFramework="net40-Client" />
-</packages>

Core/Bridge/CallbackBridge.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+
+namespace TweetDuck.Core.Bridge{
+    sealed class CallbackBridge{
+        private readonly Control owner;
+        private readonly Action safeCallback;
+
+        public CallbackBridge(Control owner, Action safeCallback){
+            this.owner = owner;
+            this.safeCallback = safeCallback;
+        }
+
+        public void Trigger(){
+            owner.InvokeSafe(safeCallback);
+        }
+    }
+}

Core/Bridge/PropertyBridge.cs

@@ -0,0 +1,33 @@
+using System.Text;
+
+namespace TweetDuck.Core.Bridge{
+    static class PropertyBridge{
+        public enum Environment{
+            Browser, Notification
+        }
+
+        public static string GenerateScript(Environment environment){
+            string Bool(bool value){
+                return value ? "true;" : "false;";
+            }
+
+            StringBuilder build = new StringBuilder().Append("(function(x){");
+
+            build.Append("x.expandLinksOnHover=").Append(Bool(Program.UserConfig.ExpandLinksOnHover));
+            
+            if (environment == Environment.Browser){
+                build.Append("x.switchAccountSelectors=").Append(Bool(Program.UserConfig.SwitchAccountSelectors));
+                build.Append("x.openSearchInFirstColumn=").Append(Bool(Program.UserConfig.OpenSearchInFirstColumn));
+                build.Append("x.muteNotifications=").Append(Bool(Program.UserConfig.MuteNotifications));
+                build.Append("x.hasCustomNotificationSound=").Append(Bool(Program.UserConfig.NotificationSoundPath.Length > 0));
+                build.Append("x.notificationMediaPreviews=").Append(Bool(Program.UserConfig.NotificationMediaPreviews));
+            }
+
+            if (environment == Environment.Notification){
+                build.Append("x.skipOnLinkClick=").Append(Bool(Program.UserConfig.NotificationSkipOnLinkClick));
+            }
+            
+            return build.Append("})(window.$TDX=window.$TDX||{})").ToString();
+        }
+    }
+}

Core/Bridge/TweetDeckBridge.cs

@@ -0,0 +1,161 @@
+using System.Collections.Generic;
+using System.Text;
+using System.Windows.Forms;
+using CefSharp;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Handling;
+using TweetDuck.Core.Notification;
+using TweetDuck.Core.Other;
+using TweetDuck.Core.Utils;
+using TweetDuck.Resources;
+
+namespace TweetDuck.Core.Bridge{
+    sealed class TweetDeckBridge{
+        public static string FontSizeClass;
+        public static string NotificationHeadContents;
+
+        public static string LastHighlightedTweetUrl = string.Empty;
+        public static string LastHighlightedQuoteUrl = string.Empty;
+        private static string LastHighlightedTweetAuthors = string.Empty;
+        private static string LastHighlightedTweetImages = string.Empty;
+
+        public static string[] LastHighlightedTweetAuthorsArray => LastHighlightedTweetAuthors.Split(';');
+        public static string[] LastHighlightedTweetImagesArray => LastHighlightedTweetImages.Split(';');
+
+        private static readonly Dictionary<string, string> SessionData = new Dictionary<string, string>(2);
+
+        public static void ResetStaticProperties(){
+            FontSizeClass = NotificationHeadContents = null;
+            LastHighlightedTweetUrl = LastHighlightedQuoteUrl = LastHighlightedTweetAuthors = LastHighlightedTweetImages = string.Empty;
+        }
+
+        public static void RestoreSessionData(IFrame frame){
+            if (SessionData.Count > 0){
+                StringBuilder build = new StringBuilder().Append("window.TD_SESSION={");
+                
+                foreach(KeyValuePair<string, string> kvp in SessionData){
+                    build.Append(kvp.Key).Append(":'").Append(kvp.Value.Replace("'", "\\'")).Append("',");
+                }
+
+                ScriptLoader.ExecuteScript(frame, build.Append("}").ToString(), "gen:session");
+                SessionData.Clear();
+            }
+        }
+
+        private readonly FormBrowser form;
+        private readonly FormNotificationMain notification;
+
+        public TweetDeckBridge(FormBrowser form, FormNotificationMain notification){
+            this.form = form;
+            this.notification = notification;
+        }
+
+        public void OnIntroductionClosed(bool showGuide, bool allowDataCollection){
+            form.InvokeAsyncSafe(() => {
+                form.OnIntroductionClosed(showGuide, allowDataCollection);
+            });
+        }
+
+        public void LoadFontSizeClass(string fsClass){
+            form.InvokeAsyncSafe(() => FontSizeClass = fsClass);
+        }
+
+        public void LoadNotificationHeadContents(string headContents){
+            form.InvokeAsyncSafe(() => NotificationHeadContents = headContents);
+        }
+
+        public void SetLastRightClickInfo(string type, string link){
+            form.InvokeAsyncSafe(() => ContextMenuBase.SetContextInfo(type, link));
+        }
+
+        public void SetLastHighlightedTweet(string tweetUrl, string quoteUrl, string authors, string imageList){
+            form.InvokeAsyncSafe(() => {
+                LastHighlightedTweetUrl = tweetUrl;
+                LastHighlightedQuoteUrl = quoteUrl;
+                LastHighlightedTweetAuthors = authors;
+                LastHighlightedTweetImages = imageList;
+            });
+        }
+
+        public void OpenContextMenu(){
+            form.InvokeAsyncSafe(form.OpenContextMenu);
+        }
+
+        public void OnTweetPopup(string columnId, string chirpId, string columnName, string tweetHtml, int tweetCharacters, string tweetUrl, string quoteUrl){
+            notification.InvokeAsyncSafe(() => {
+                form.OnTweetNotification();
+                notification.ShowNotification(new TweetNotification(columnId, chirpId, columnName, tweetHtml, tweetCharacters, tweetUrl, quoteUrl));
+            });
+        }
+
+        public void OnTweetSound(){
+            form.InvokeAsyncSafe(() => {
+                form.OnTweetNotification();
+                form.PlayNotificationSound();
+            });
+        }
+
+        public void DisplayTooltip(string text, bool showInNotification){
+            if (showInNotification){
+                notification.InvokeAsyncSafe(() => notification.DisplayTooltip(text));
+            }
+            else{
+                form.InvokeAsyncSafe(() => form.DisplayTooltip(text));
+            }
+        }
+
+        public void SetSessionData(string key, string value){
+            form.InvokeSafe(() => { // do not use InvokeAsyncSafe, return only after invocation
+                SessionData.Add(key, value);
+            });
+        }
+
+        public void LoadNextNotification(){
+            notification.InvokeAsyncSafe(notification.FinishCurrentNotification);
+        }
+
+        public void ScreenshotTweet(string html, int width, int height){
+            form.InvokeAsyncSafe(() => form.OnTweetScreenshotReady(html, width, height));
+        }
+
+        public void PlayVideo(string url){
+            form.InvokeAsyncSafe(() => form.PlayVideo(url));
+        }
+
+        public void FixClipboard(){
+            form.InvokeAsyncSafe(WindowsUtils.ClipboardStripHtmlStyles);
+        }
+
+        public void OpenBrowser(string url){
+            form.InvokeAsyncSafe(() => BrowserUtils.OpenExternalBrowser(url));
+        }
+
+        public int GetIdleSeconds(){
+            return NativeMethods.GetIdleSeconds();
+        }
+
+        public void Alert(string type, string contents){
+            MessageBoxIcon icon;
+
+            switch(type){
+                case "error": icon = MessageBoxIcon.Error; break;
+                case "warning": icon = MessageBoxIcon.Warning; break;
+                case "info": icon = MessageBoxIcon.Information; break;
+                default: icon = MessageBoxIcon.None; break;
+            }
+
+            FormMessage.Show("TweetDuck Browser Message", contents, icon, FormMessage.OK);
+        }
+
+        public void CrashDebug(string message){
+            #if DEBUG
+            Log(message);
+            System.Diagnostics.Debugger.Break();
+            #endif
+        }
+
+        public void Log(string data){
+            System.Diagnostics.Debug.WriteLine(data);
+        }
+    }
+}

Core/Controls/ControlExtensions.cs

@@ -1,18 +1,35 @@
-using System;
+using System;
 using System.Drawing;
+using System.Linq;
 using System.Windows.Forms;
 
-namespace TweetDck.Core.Controls{
+namespace TweetDuck.Core.Controls{
     static class ControlExtensions{
-        public static void InvokeSafe(this Form form, Action func){
+        public static readonly Point InvisibleLocation = new Point(-32000, -32000);
-            if (form.InvokeRequired){
+
-                form.Invoke(func);
+        public static void InvokeSafe(this Control control, Action func){
+            if (control.InvokeRequired){
+                control.Invoke(func);
             }
             else{
                 func();
             }
         }
 
+        public static void InvokeAsyncSafe(this Control control, Action func){
+            control.BeginInvoke(func);
+        }
+
+        public static float GetDPIScale(this Control control){
+            using(Graphics graphics = control.CreateGraphics()){
+                return graphics.DpiY/96F;
+            }
+        }
+
+        public static bool IsFullyOutsideView(this Form form){
+            return !Screen.AllScreens.Any(screen => screen.WorkingArea.IntersectsWith(form.Bounds));
+        }
+
         public static void MoveToCenter(this Form targetForm, Form parentForm){
             targetForm.Location = new Point(parentForm.Location.X+parentForm.Width/2-targetForm.Width/2, parentForm.Location.Y+parentForm.Height/2-targetForm.Height/2);
         }
@@ -28,5 +45,35 @@ namespace TweetDck.Core.Controls{
                 bar.Value = value;
             }
         }
+
+        public static void SetValueSafe(this NumericUpDown numUpDown, int value){
+            if (value >= numUpDown.Minimum && value <= numUpDown.Maximum){
+                numUpDown.Value = value;
+            }
+        }
+
+        public static void SetValueSafe(this TrackBar trackBar, int value){
+            if (value >= trackBar.Minimum && value <= trackBar.Maximum){
+                trackBar.Value = value;
+            }
+        }
+
+        public static bool AlignValueToTick(this TrackBar trackBar){
+            if (trackBar.Value % trackBar.SmallChange != 0){
+                trackBar.Value = trackBar.SmallChange*(int)Math.Floor(((double)trackBar.Value/trackBar.SmallChange)+0.5);
+                return false;
+            }
+            else return true;
+        }
+
+        public static void EnableMultilineShortcuts(this TextBox textBox){
+            textBox.KeyDown += (sender, args) => {
+                if (args.Control && args.KeyCode == Keys.A){
+                    ((TextBox)sender).SelectAll();
+                    args.SuppressKeyPress = true;
+                    args.Handled = true;
+                }
+            };
+        }
     }
 }

Core/Controls/FlatButton.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Controls{
+    sealed class FlatButton : Button{
+        protected override bool ShowFocusCues => false;
+
+        public FlatButton(){
+            GotFocus += FlatButton_GotFocus;
+        }
+
+        private void FlatButton_GotFocus(object sender, EventArgs e){ // removes extra border when focused
+            NotifyDefault(false);
+        }
+    }
+}

Core/Controls/FlatProgressBar.Designer.cs

@@ -1,33 +0,0 @@
-namespace TweetDck.Core.Controls {
-    partial class FlatProgressBar {
-        /// <summary> 
-        /// Required designer variable.
-        /// </summary>
-        private System.ComponentModel.IContainer components = null;
-
-        /// <summary> 
-        /// Clean up any resources being used.
-        /// </summary>
-        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
-        protected override void Dispose(bool disposing) {
-            if (brush != null)brush.Dispose();
-
-            if (disposing && (components != null)) {
-                components.Dispose();
-            }
-            base.Dispose(disposing);
-        }
-
-        #region Component Designer generated code
-
-        /// <summary> 
-        /// Required method for Designer support - do not modify 
-        /// the contents of this method with the code editor.
-        /// </summary>
-        private void InitializeComponent() {
-            components = new System.ComponentModel.Container();
-        }
-
-        #endregion
-    }
-}

Core/Controls/FlatProgressBar.cs

@@ -1,11 +1,13 @@
 using System.Drawing;
 using System.Windows.Forms;
 
-namespace TweetDck.Core.Controls{
+namespace TweetDuck.Core.Controls{
-    public partial class FlatProgressBar : ProgressBar{
+    sealed class FlatProgressBar : ProgressBar{
-        private SolidBrush brush;
+        private readonly SolidBrush brush;
 
         public FlatProgressBar(){
+            brush = new SolidBrush(Color.White);
+
             SetStyle(ControlStyles.UserPaint, true);
             SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
         }
@@ -15,13 +17,21 @@ namespace TweetDck.Core.Controls{
         }
 
         protected override void OnPaint(PaintEventArgs e){
-            if (brush == null || brush.Color != ForeColor){
+            if (brush.Color != ForeColor){
-                brush = new SolidBrush(ForeColor);
+                brush.Color = ForeColor;
             }
 
             Rectangle rect = e.ClipRectangle;
             rect.Width = (int)(rect.Width*((double)Value/Maximum));
             e.Graphics.FillRectangle(brush, rect);
         }
+
+        protected override void Dispose(bool disposing){
+            base.Dispose(disposing);
+
+            if (disposing){
+                brush.Dispose();
+            }
+        }
     }
 }

Core/Controls/LabelVertical.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Controls{
+    sealed class LabelVertical : Label{
+        public int LineHeight { get; set; }
+
+        protected override void OnPaint(PaintEventArgs e){
+            int y = (int)Math.Floor((ClientRectangle.Height-Text.Length*LineHeight)/2F)-2; // 2 = random
+
+            using(Brush brush = new SolidBrush(ForeColor)){
+                foreach(char chr in Text){
+                    string str = chr.ToString();
+                    float x = (ClientRectangle.Width-e.Graphics.MeasureString(str, Font).Width)/2F;
+
+                    e.Graphics.DrawString(str, Font, brush, x, y);
+                    y += LineHeight;
+                }
+            }
+        }
+    }
+}

Core/Controls/NumericUpDownEx.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Controls{
+    sealed class NumericUpDownEx : NumericUpDown{
+        public string TextSuffix { get; set ; }
+
+        protected override void UpdateEditText(){
+            base.UpdateEditText();
+
+            if (LicenseManager.UsageMode != LicenseUsageMode.Designtime){
+                ChangingText = true;
+                Text += TextSuffix;
+                ChangingText = false;
+            }
+        }
+    }
+}

Core/Controls/RichTextLabel.cs

@@ -1,58 +0,0 @@
-using System;
-using System.Windows.Forms;
-
-namespace TweetDck.Core.Controls{
-    public partial class RichTextLabel : RichTextBox{
-        /// <summary>
-        /// Wraps the body of a RTF formatted string with default tags and formatting.
-        /// </summary>
-        public static string Wrap(string str){
-            string rtf = @"{\rtf1\ansi\ansicpg1250\deff0\deflang1029{\fonttbl{\f0\fnil\fcharset0 Microsoft Sans Serif;}}";
-            rtf += @"{\*\generator Msftedit 4.20.69.1337;}\viewkind4\uc1\pard\sa200\sl276\slmult1\lang1036\f0\fs16 ";
-            rtf += str;
-            return rtf;
-        }
-
-        /// <summary>
-        /// Wraps URL tags around a link.
-        /// </summary>
-        public static string AddLink(string url){
-            return @"{\field{\*\fldinst{HYPERLINK """+url+@"""}}{\fldrslt{\ul\cf1 "+url+@"}}}";
-        }
-
-        /// <summary>
-        /// Uses v5 of RichTextBox, which fixes URLs and other crap.
-        /// </summary>
-        protected override CreateParams CreateParams{
-            get{
-                CreateParams createParams = base.CreateParams;
-
-                if (Program.LoadLibrary("msftedit.dll") != IntPtr.Zero){
-                    createParams.ClassName = "RICHEDIT50W";
-                }
-
-                return createParams;
-            }
-        }
-
-        public RichTextLabel(){
-            InitializeComponent();
-
-            SetStyle(ControlStyles.Selectable,false);
-            SetStyle(ControlStyles.UserMouse,true);
-            SetStyle(ControlStyles.SupportsTransparentBackColor,true);
-        }
-
-        private void RichTextLabel_MouseEnter(object sender, EventArgs e){
-            Cursor = Cursors.Default;
-        }
-
-        protected override void WndProc(ref Message m){
-            if (m.Msg == 0x204 || m.Msg == 0x205){ // WM_RBUTTONDOWN, WM_RBUTTONUP
-                return;
-            }
-
-            base.WndProc(ref m);
-        }
-    }
-}

Core/FormBrowser.Designer.cs

@@ -1,4 +1,4 @@
-namespace TweetDck.Core {
+namespace TweetDuck.Core {
     sealed partial class FormBrowser {
         /// <summary>
         /// Required designer variable.
@@ -24,23 +24,31 @@
         /// </summary>
         private void InitializeComponent() {
             this.components = new System.ComponentModel.Container();
-            this.trayIcon = new System.Windows.Forms.NotifyIcon(this.components);
+            this.trayIcon = new TweetDuck.Core.TrayIcon(this.components);
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.timerResize = new System.Windows.Forms.Timer(this.components);
             this.SuspendLayout();
             // 
-            // trayIcon
+            // timerResize
             // 
-            this.trayIcon.Icon = global::TweetDck.Properties.Resources.icon;
+            this.timerResize.Interval = 500;
-            this.trayIcon.Click += new System.EventHandler(this.trayIcon_Click);
+            this.timerResize.Tick += new System.EventHandler(this.timerResize_Tick);
             // 
             // FormBrowser
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(284, 262);
+            this.BackColor = TweetDuck.Core.Utils.TwitterUtils.BackgroundColor;
-            this.Icon = global::TweetDck.Properties.Resources.icon;
+            this.ClientSize = new System.Drawing.Size(400, 386);
-            this.Location = new System.Drawing.Point(-32000, -32000);
+            this.Icon = Properties.Resources.icon;
+            this.Location = TweetDuck.Core.Controls.ControlExtensions.InvisibleLocation;
+            this.MinimumSize = new System.Drawing.Size(416, 424);
             this.Name = "FormBrowser";
             this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
+            this.Activated += new System.EventHandler(this.FormBrowser_Activated);
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormBrowser_FormClosing);
+            this.FormClosed += new System.Windows.Forms.FormClosedEventHandler(this.FormBrowser_FormClosed);
+            this.LocationChanged += new System.EventHandler(this.FormBrowser_LocationChanged);
             this.ResizeEnd += new System.EventHandler(this.FormBrowser_ResizeEnd);
             this.Resize += new System.EventHandler(this.FormBrowser_Resize);
             this.ResumeLayout(false);
@@ -49,7 +57,9 @@
 
         #endregion
 
-        private System.Windows.Forms.NotifyIcon trayIcon;
+        private TrayIcon trayIcon;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.Timer timerResize;
     }
 }
 

Core/FormBrowser.cs

@@ -1,100 +1,258 @@
-using System;
+using CefSharp;
-using System.Linq;
-using System.Windows.Forms;
-using CefSharp;
 using CefSharp.WinForms;
-using TweetDck.Configuration;
+using System;
-using TweetDck.Core.Handling;
+using System.Drawing;
-using TweetDck.Core.Other;
+using System.Windows.Forms;
-using TweetDck.Resources;
+using TweetDuck.Configuration;
-using TweetDck.Core.Utils;
+using TweetDuck.Core.Bridge;
-using TweetDck.Core.Controls;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Handling;
+using TweetDuck.Core.Handling.General;
+using TweetDuck.Core.Notification;
+using TweetDuck.Core.Notification.Screenshot;
+using TweetDuck.Core.Other;
+using TweetDuck.Core.Other.Management;
+using TweetDuck.Core.Other.Settings;
+using TweetDuck.Core.Utils;
+using TweetDuck.Plugins;
+using TweetDuck.Plugins.Enums;
+using TweetDuck.Plugins.Events;
+using TweetDuck.Resources;
+using TweetDuck.Updates;
+using TweetLib.Audio;
 
-namespace TweetDck.Core{
+namespace TweetDuck.Core{
     sealed partial class FormBrowser : Form{
-        private static UserConfig Config{
+        private static UserConfig Config => Program.UserConfig;
-            get{
+
-                return Program.UserConfig;
+        public bool IsWaiting{
+            set{
+                if (value){
+                    browser.Enabled = false;
+                    Cursor = Cursors.WaitCursor;
+                }
+                else{
+                    browser.Enabled = true;
+                    Cursor = Cursors.Default;
+
+                    if (Focused){ // re-focus browser only if the window or a child is activated
+                        browser.Focus();
+                    }
+                }
             }
         }
 
         public string UpdateInstallerPath { get; private set; }
 
         private readonly ChromiumWebBrowser browser;
-        private readonly TweetDeckBridge bridge;
+        private readonly PluginManager plugins;
-        private readonly FormNotification notification;
+        private readonly UpdateHandler updates;
+        private readonly FormNotificationTweet notification;
+        private readonly ContextMenu contextMenu;
+        private readonly MemoryUsageTracker memoryUsageTracker;
 
-        private FormSettings currentFormSettings;
-        private FormAbout currentFormAbout;
         private bool isLoaded;
-
+        private bool isBrowserReady;
         private FormWindowState prevState;
 
-        public FormBrowser(){
+        private TweetScreenshotManager notificationScreenshotManager;
+        private SoundNotification soundNotification;
+        private VideoPlayer videoPlayer;
+
+        public FormBrowser(UpdaterSettings updaterSettings){
             InitializeComponent();
 
             Text = Program.BrandName;
 
-            bridge = new TweetDeckBridge(this);
+            this.plugins = new PluginManager(Program.PluginPath, Program.PluginConfigFilePath);
+            this.plugins.Reloaded += plugins_Reloaded;
+            this.plugins.Executed += plugins_Executed;
+            this.plugins.PluginChangedState += plugins_PluginChangedState;
+            this.plugins.Reload();
 
-            browser = new ChromiumWebBrowser("https://tweetdeck.twitter.com/"){ MenuHandler = new ContextMenuBrowser(this) };
+            this.contextMenu = ContextMenuBrowser.CreateMenu(this);
-            browser.LoadingStateChanged += Browser_LoadingStateChanged;
+            this.memoryUsageTracker = new MemoryUsageTracker("TDGF_tryRunCleanup");
-            browser.FrameLoadEnd += Browser_FrameLoadEnd;
-            browser.RegisterJsObject("$TD",bridge);
 
+            this.notification = new FormNotificationTweet(this, plugins){
+                #if DEBUG
+                CanMoveWindow = () => (ModifierKeys & Keys.Alt) == Keys.Alt
+                #else
+                CanMoveWindow = () => false
+                #endif
+            };
+
+            this.notification.Show();
+
+            this.browser = new ChromiumWebBrowser("https://tweetdeck.twitter.com/"){
+                DialogHandler = new FileDialogHandler(),
+                DragHandler = new DragHandlerBrowser(),
+                MenuHandler = new ContextMenuBrowser(this),
+                JsDialogHandler = new JavaScriptDialogHandler(),
+                KeyboardHandler = new KeyboardHandlerBrowser(this),
+                LifeSpanHandler = new LifeSpanHandler(),
+                RequestHandler = new RequestHandlerBrowser()
+            };
+
+            #if DEBUG
+            this.browser.ConsoleMessage += BrowserUtils.HandleConsoleMessage;
+            #endif
+
+            this.browser.LoadingStateChanged += browser_LoadingStateChanged;
+            this.browser.FrameLoadStart += browser_FrameLoadStart;
+            this.browser.FrameLoadEnd += browser_FrameLoadEnd;
+            this.browser.LoadError += browser_LoadError;
+            this.browser.RegisterAsyncJsObject("$TD", new TweetDeckBridge(this, notification));
+            this.browser.RegisterAsyncJsObject("$TDP", plugins.Bridge);
+            
+            browser.BrowserSettings.BackgroundColor = (uint)TwitterUtils.BackgroundColor.ToArgb();
+            browser.Dock = DockStyle.None;
+            browser.Location = ControlExtensions.InvisibleLocation;
             Controls.Add(browser);
 
-            Disposed += (sender, args) => browser.Dispose();
+            Controls.Add(new MenuStrip{ Visible = false }); // fixes Alt freezing the program in Win 10 Anniversary Update
 
-            notification = new FormNotification(this,bridge,true){ CanMoveWindow = () => false };
+            Disposed += (sender, args) => {
-            notification.Show();
+                memoryUsageTracker.Dispose();
 
-            trayIcon.Text = Program.BrandName;
+                browser.Dispose();
+                contextMenu.Dispose();
+
+                notificationScreenshotManager?.Dispose();
+                soundNotification?.Dispose();
+                videoPlayer?.Dispose();
+            };
+
+            this.trayIcon.ClickRestore += trayIcon_ClickRestore;
+            this.trayIcon.ClickClose += trayIcon_ClickClose;
+            Config.TrayBehaviorChanged += Config_TrayBehaviorChanged;
+
+            UpdateTrayIcon();
+
+            Config.MuteToggled += Config_MuteToggled;
+            Config.ZoomLevelChanged += Config_ZoomLevelChanged;
+
+            this.updates = new UpdateHandler(browser, updaterSettings);
+            this.updates.UpdateAccepted += updates_UpdateAccepted;
+            this.updates.UpdateDismissed += updates_UpdateDismissed;
+
+            RestoreWindow();
         }
 
         private void ShowChildForm(Form form){
+            form.VisibleChanged += (sender, args) => form.MoveToCenter(this);
             form.Show(this);
-            form.MoveToCenter(this);
+        }
+
+        public void ForceClose(){
+            trayIcon.Visible = false; // checked in FormClosing event
+            Close();
         }
 
         // window setup
 
-        private void SetupWindow(){
+        private void RestoreWindow(){
-            if (Config.IsCustomWindowLocationSet){
+            Config.BrowserWindow.Restore(this, true);
-                Location = Config.WindowLocation;
-                Size = Config.WindowSize;
-                WindowState = Config.IsMaximized ? FormWindowState.Maximized : FormWindowState.Normal;
-            }
-
-            if (!Config.IsCustomWindowLocationSet || !Screen.AllScreens.Any(screen => screen.WorkingArea.IntersectsWith(Bounds))){
-                Location = Screen.PrimaryScreen.WorkingArea.Location;
-                Size = Screen.PrimaryScreen.WorkingArea.Size;
-                WindowState = FormWindowState.Maximized;
-            }
-
             prevState = WindowState;
             isLoaded = true;
         }
 
+        private void OnBrowserReady(){
+            if (!isBrowserReady){
+                browser.Location = Point.Empty;
+                browser.Dock = DockStyle.Fill;
+                isBrowserReady = true;
+            }
+        }
+
+        private void UpdateTrayIcon(){
+            trayIcon.Visible = Config.TrayBehavior.ShouldDisplayIcon();
+        }
+
         // active event handlers
 
-        private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e){
+        private void browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e){
             if (!e.IsLoading){
-                Invoke(new Action(SetupWindow));
+                foreach(string word in TwitterUtils.DictionaryWords){
-                browser.LoadingStateChanged -= Browser_LoadingStateChanged;
+                    browser.AddWordToDictionary(word);
+                }
+
+                BeginInvoke(new Action(OnBrowserReady));
+                browser.LoadingStateChanged -= browser_LoadingStateChanged;
             }
         }
 
-        private void Browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e){
+        private void browser_FrameLoadStart(object sender, FrameLoadStartEventArgs e){
             if (e.Frame.IsMain){
-                string js = ScriptLoader.LoadResource("code.js");
+                memoryUsageTracker.Stop();
 
-                if (js != null){
+                if (Config.ZoomLevel != 100){
-                    browser.ExecuteScriptAsync(js);
+                    BrowserUtils.SetZoomLevel(browser.GetBrowser(), Config.ZoomLevel);
+                }
+
+                if (TwitterUtils.IsTwitterWebsite(e.Frame)){
+                    ScriptLoader.ExecuteFile(e.Frame, "twitter.js");
                 }
             }
         }
 
+        private void browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e){
+            if (e.Frame.IsMain && TwitterUtils.IsTweetDeckWebsite(e.Frame)){
+                e.Frame.ExecuteJavaScriptAsync(TwitterUtils.BackgroundColorFix);
+
+                UpdateProperties(PropertyBridge.Environment.Browser);
+                TweetDeckBridge.RestoreSessionData(e.Frame);
+                ScriptLoader.ExecuteFile(e.Frame, "code.js");
+                InjectBrowserCSS();
+                ReinjectCustomCSS(Config.CustomBrowserCSS);
+                plugins.ExecutePlugins(e.Frame, PluginEnvironment.Browser);
+
+                TweetDeckBridge.ResetStaticProperties();
+
+                if (Program.SystemConfig.EnableBrowserGCReload){
+                    memoryUsageTracker.Start(this, e.Browser, Program.SystemConfig.BrowserMemoryThreshold);
+                }
+
+                if (Config.FirstRun){
+                    ScriptLoader.ExecuteFile(e.Frame, "introduction.js");
+                }
+            }
+        }
+
+        private void browser_LoadError(object sender, LoadErrorEventArgs e){
+            if (e.ErrorCode == CefErrorCode.Aborted){
+                return;
+            }
+
+            if (!e.FailedUrl.StartsWith("http://td/", StringComparison.Ordinal)){
+                string errorPage = ScriptLoader.LoadResource("pages/error.html", true);
+
+                if (errorPage != null){
+                    browser.LoadHtml(errorPage.Replace("{err}", BrowserUtils.GetErrorName(e.ErrorCode)), "http://td/error");
+                }
+            }
+        }
+
+        private void timerResize_Tick(object sender, EventArgs e){
+            FormBrowser_ResizeEnd(this, e); // also stops timer
+        }
+
+        private void FormBrowser_Activated(object sender, EventArgs e){
+            if (!isLoaded)return;
+
+            trayIcon.HasNotifications = false;
+
+            if (!browser.Enabled){      // when taking a screenshot, the window is unfocused and
+                browser.Enabled = true; // the browser is disabled; if the user clicks back into
+            }                           // the window, enable the browser again
+        }
+
+        private void FormBrowser_LocationChanged(object sender, EventArgs e){
+            if (!isLoaded)return;
+            
+            timerResize.Stop();
+            timerResize.Start();
+        }
+
         private void FormBrowser_Resize(object sender, EventArgs e){
             if (!isLoaded)return;
 
@@ -102,98 +260,353 @@ namespace TweetDck.Core{
                 prevState = WindowState;
 
                 if (WindowState == FormWindowState.Minimized){
-                    if (Config.MinimizeToTray){
+                    if (Config.TrayBehavior.ShouldHideOnMinimize()){
                         Hide(); // hides taskbar too?! welp that works I guess
-                        trayIcon.Visible = true;
                     }
                 }
                 else{
                     FormBrowser_ResizeEnd(sender, e);
                 }
             }
+            else{
+                timerResize.Stop();
+                timerResize.Start();
+            }
         }
 
         private void FormBrowser_ResizeEnd(object sender, EventArgs e){ // also triggers when the window moves
             if (!isLoaded)return;
 
-            if (Location.X != -32000){
+            timerResize.Stop();
-                Config.IsMaximized = WindowState == FormWindowState.Maximized;
+            
-                Config.WindowLocation = Location;
+            if (Location != ControlExtensions.InvisibleLocation){
-                Config.WindowSize = Size;
+                Config.BrowserWindow.Save(this);
                 Config.Save();
             }
         }
 
-        private void trayIcon_Click(object sender, EventArgs e){
+        private void FormBrowser_FormClosing(object sender, FormClosingEventArgs e){
-            isLoaded = false;
+            if (!isLoaded)return;
-            Show();
-            SetupWindow();
 
-            trayIcon.Visible = false;
+            if (Config.TrayBehavior.ShouldHideOnClose() && trayIcon.Visible && e.CloseReason == CloseReason.UserClosing){
+                Hide(); // hides taskbar too?! welp that works I guess
+                e.Cancel = true;
+            }
+        }
+
+        private void FormBrowser_FormClosed(object sender, FormClosedEventArgs e){
+            if (isLoaded && UpdateInstallerPath == null){
+                updates.CleanupDownload();
+            }
+        }
+
+        private void Config_MuteToggled(object sender, EventArgs e){
+            UpdateProperties(PropertyBridge.Environment.Browser);
+        }
+
+        private void Config_ZoomLevelChanged(object sender, EventArgs e){
+            BrowserUtils.SetZoomLevel(browser.GetBrowser(), Config.ZoomLevel);
+        }
+
+        private void Config_TrayBehaviorChanged(object sender, EventArgs e){
+            UpdateTrayIcon();
+        }
+
+        private void trayIcon_ClickRestore(object sender, EventArgs e){
+            Show();
+            RestoreWindow();
+            Activate();
+            UpdateTrayIcon();
+        }
+
+        private void trayIcon_ClickClose(object sender, EventArgs e){
+            ForceClose();
+        }
+        
+        private void plugins_Reloaded(object sender, PluginErrorEventArgs e){
+            if (e.HasErrors){
+                FormMessage.Error("Error Loading Plugins", "The following plugins will not be available until the issues are resolved:\n\n"+string.Join("\n\n", e.Errors), FormMessage.OK);
+            }
+
+            if (isLoaded){
+                ReloadToTweetDeck();
+            }
+        }
+        
+        private static void plugins_Executed(object sender, PluginErrorEventArgs e){
+            if (e.HasErrors){
+                FormMessage.Error("Error Executing Plugins", "Failed to execute the following plugins:\n\n"+string.Join("\n\n", e.Errors), FormMessage.OK);
+            }
+        }
+
+        private void plugins_PluginChangedState(object sender, PluginChangedStateEventArgs e){
+            browser.ExecuteScriptAsync("window.TDPF_setPluginState", e.Plugin, e.IsEnabled);
+        }
+
+        private void updates_UpdateAccepted(object sender, UpdateEventArgs e){
+            this.InvokeAsyncSafe(() => {
+                FormManager.CloseAllDialogs();
+            
+                updates.BeginUpdateDownload(this, e.UpdateInfo, update => {
+                    if (update.DownloadStatus == UpdateDownloadStatus.Done){
+                        UpdateInstallerPath = update.InstallerPath;
+                    }
+
+                    ForceClose();
+                });
+            });
+        }
+
+        private void updates_UpdateDismissed(object sender, UpdateEventArgs e){
+            this.InvokeAsyncSafe(() => {
+                Config.DismissedUpdate = e.UpdateInfo.VersionTag;
+                Config.Save();
+            });
+        }
+
+        private void soundNotification_PlaybackError(object sender, PlaybackErrorEventArgs e){
+            e.Ignore = true;
+
+            using(FormMessage form = new FormMessage("Notification Sound Error", "Could not play custom notification sound.\n"+e.Message, MessageBoxIcon.Error)){
+                form.AddButton(FormMessage.Ignore, ControlType.Cancel | ControlType.Focused);
+
+                Button btnOpenSettings = form.AddButton("View Options");
+                btnOpenSettings.Width += 16;
+                btnOpenSettings.Location = new Point(btnOpenSettings.Location.X-16, btnOpenSettings.Location.Y);
+
+                if (form.ShowDialog() == DialogResult.OK && form.ClickedButton == btnOpenSettings){
+                    OpenSettings(typeof(TabSettingsSounds));
+                }
+            }
+        }
+
+        protected override void WndProc(ref Message m){
+            if (isLoaded){
+                if (m.Msg == Program.WindowRestoreMessage){
+                    if (WindowsUtils.CurrentProcessID == m.WParam.ToInt32()){
+                        trayIcon_ClickRestore(trayIcon, EventArgs.Empty);
+                    }
+
+                    return;
+                }
+                else if (m.Msg == Program.SubProcessMessage){
+                    int processId = m.WParam.ToInt32();
+
+                    if (WindowsUtils.IsChildProcess(processId)){ // child process is checked in two places for safety
+                        BrowserProcesses.Link(m.LParam.ToInt32(), processId);
+                    }
+
+                    return;
+                }
+            }
+            
+            if (isBrowserReady && m.Msg == NativeMethods.WM_PARENTNOTIFY && (m.WParam.ToInt32() & 0xFFFF) == NativeMethods.WM_XBUTTONDOWN){
+                if (videoPlayer != null && videoPlayer.Running){
+                    videoPlayer.Close();
+                }
+                else{
+                    browser.ExecuteScriptAsync("TDGF_onMouseClickExtra", (m.WParam.ToInt32() >> 16) & 0xFFFF);
+                }
+
+                return;
+            }
+
+            base.WndProc(ref m);
+        }
+
+        // notification helpers
+
+        public FormNotificationMain CreateNotificationForm(bool enableContextMenu){
+            return new FormNotificationMain(this, plugins, enableContextMenu);
+        }
+
+        public void PauseNotification(){
+            notification.PauseNotification();
+        }
+
+        public void ResumeNotification(){
+            notification.ResumeNotification();
+        }
+
+        // javascript calls
+
+        public void InjectBrowserCSS(){
+            browser.ExecuteScriptAsync("TDGF_injectBrowserCSS", ScriptLoader.LoadResource("styles/browser.css").TrimEnd());
+        }
+
+        public void ReinjectCustomCSS(string css){
+            browser.ExecuteScriptAsync("TDGF_reinjectCustomCSS", css?.Replace(Environment.NewLine, " ") ?? string.Empty);
+        }
+
+        public void UpdateProperties(PropertyBridge.Environment environment){
+            browser.ExecuteScriptAsync(PropertyBridge.GenerateScript(environment));
+        }
+
+        public void ReloadToTweetDeck(){
+            browser.ExecuteScriptAsync($"if(window.TDGF_reload)window.TDGF_reload();else window.location.href='{TwitterUtils.TweetDeckURL}'");
         }
 
         // callback handlers
         
-        public void InvokeSafe(Action func){
+        public void OnIntroductionClosed(bool showGuide, bool allowDataCollection){
-            ControlExtensions.InvokeSafe(this,func);
+            if (Config.FirstRun){
+                Config.FirstRun = false;
+                Config.AllowDataCollection = allowDataCollection;
+                Config.Save();
+            }
+
+            if (showGuide){
+                ShowChildForm(new FormGuide());
+            }
+        }
+
+        public void OpenContextMenu(){
+            contextMenu.Show(this, PointToClient(Cursor.Position));
         }
 
         public void OpenSettings(){
-            if (currentFormSettings != null){
+            OpenSettings(null);
-                currentFormSettings.BringToFront();
         }
-            else{
+
+        public void OpenSettings(Type startTab){
+            if (!FormManager.TryBringToFront<FormSettings>()){
                 bool prevEnableUpdateCheck = Config.EnableUpdateCheck;
 
-                currentFormSettings = new FormSettings(this);
+                FormSettings form = new FormSettings(this, plugins, updates, startTab);
-
-                currentFormSettings.FormClosed += (sender, args) => {
-                    currentFormSettings = null;
 
+                form.FormClosed += (sender, args) => {
                     if (!prevEnableUpdateCheck && Config.EnableUpdateCheck){
-                        Config.DismissedUpdate = string.Empty;
+                        Config.DismissedUpdate = null;
                         Config.Save();
                         
-                        browser.ExecuteScriptAsync("TDGF_runUpdateCheck",new object[0]);
+                        updates.Check(true);
                     }
+
+                    if (!Config.EnableTrayHighlight){
+                        trayIcon.HasNotifications = false;
+                    }
+
+                    if (Program.SystemConfig.EnableBrowserGCReload){
+                        memoryUsageTracker.Start(this, browser.GetBrowser(), Program.SystemConfig.BrowserMemoryThreshold);
+                    }
+                    else{
+                        memoryUsageTracker.Stop();
+                    }
+                    
+                    if (form.ShouldReloadBrowser){
+                        FormManager.TryFind<FormPlugins>()?.Close();
+                        plugins.Reload(); // also reloads the browser
+                    }
+                    else{
+                        UpdateProperties(PropertyBridge.Environment.Browser);
+                    }
+
+                    notification.RequiresResize = true;
+                    form.Dispose();
                 };
 
-                ShowChildForm(currentFormSettings);
+                ShowChildForm(form);
             }
         }
 
         public void OpenAbout(){
-            if (currentFormAbout != null){
+            if (!FormManager.TryBringToFront<FormAbout>()){
-                currentFormAbout.BringToFront();
+                ShowChildForm(new FormAbout());
+            }
+        }
+
+        public void OpenPlugins(){
+            if (!FormManager.TryBringToFront<FormPlugins>()){
+                ShowChildForm(new FormPlugins(plugins));
+            }
+        }
+
+        public void OnTweetNotification(){ // may be called multiple times, once for each type of notification
+            if (Config.EnableTrayHighlight && !ContainsFocus){
+                trayIcon.HasNotifications = true;
+            }
+        }
+
+        public void PlayNotificationSound(){
+            if (Config.NotificationSoundPath.Length == 0){
+                return;
+            }
+
+            if (soundNotification == null){
+                soundNotification = new SoundNotification();
+                soundNotification.PlaybackError += soundNotification_PlaybackError;
+            }
+
+            soundNotification.SetVolume(Config.NotificationSoundVolume);
+            soundNotification.Play(Config.NotificationSoundPath);
+        }
+
+        public void PlayVideo(string url){
+            if (string.IsNullOrEmpty(url)){
+                videoPlayer?.Close();
+                return;
+            }
+
+            if (videoPlayer == null){
+                videoPlayer = new VideoPlayer(this);
+
+                videoPlayer.ProcessExited += (sender, args) => {
+                    browser.GetBrowser().GetHost().SendFocusEvent(true);
+                    HideVideoOverlay();
+                };
+            }
+            
+            videoPlayer.Launch(url);
+        }
+
+        public void HideVideoOverlay(){
+            browser.ExecuteScriptAsync("$('#td-video-player-overlay').remove()");
+        }
+
+        public bool ProcessBrowserKey(Keys key){
+            if (videoPlayer != null && videoPlayer.Running){
+                videoPlayer.SendKeyEvent(key);
+                return true;
+            }
+
+            return false;
+        }
+
+        public void ShowTweetDetail(string columnId, string chirpId, string fallbackUrl){
+            Activate();
+
+            using(IFrame frame = browser.GetBrowser().MainFrame){
+                if (!TwitterUtils.IsTweetDeckWebsite(frame)){
+                    FormMessage.Error("View Tweet Detail", "TweetDeck is not currently loaded.", FormMessage.OK);
+                    return;
+                }
+            }
+
+            notification.FinishCurrentNotification();
+            browser.ExecuteScriptAsync("window.TDGF_showTweetDetail", columnId, chirpId, fallbackUrl);
+        }
+
+        public void OnTweetScreenshotReady(string html, int width, int height){
+            if (notificationScreenshotManager == null){
+                notificationScreenshotManager = new TweetScreenshotManager(this, plugins);
+            }
+
+            notificationScreenshotManager.Trigger(html, width, height);
+        }
+
+        public void DisplayTooltip(string text){
+            if (string.IsNullOrEmpty(text)){
+                toolTip.Hide(this);
             }
             else{
-                currentFormAbout = new FormAbout();
+                Point position = PointToClient(Cursor.Position);
-                currentFormAbout.FormClosed += (sender, args) => currentFormAbout = null;
+                position.Offset(20, 10);
-                ShowChildForm(currentFormAbout);
+                toolTip.Show(text, this, position);
             }
         }
 
-        public void OnTweetPopup(TweetNotification tweet){
+        public void TriggerTweetScreenshot(){
-            notification.ShowNotification(tweet);
+            browser.ExecuteScriptAsync("TDGF_triggerScreenshot()");
-        }
-
-        public void BeginUpdateProcess(string versionTag, string downloadUrl){
-            Hide();
-
-            FormUpdateDownload downloadForm = new FormUpdateDownload(new UpdateInfo(versionTag,downloadUrl));
-            downloadForm.MoveToCenter(this);
-            downloadForm.ShowDialog();
-
-            if (downloadForm.UpdateStatus == FormUpdateDownload.Status.Succeeded){
-                UpdateInstallerPath = downloadForm.InstallerPath;
-                Close();
-            }
-            else if (downloadForm.UpdateStatus == FormUpdateDownload.Status.Manual){
-                Close();
-            }
-            else{
-                Show();
-            }
         }
     }
 }

Core/FormBrowser.resx

@@ -0,0 +1,129 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <metadata name="trayIcon.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="toolTip.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>112, 17</value>
+  </metadata>
+  <metadata name="timerResize.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>202, 17</value>
+  </metadata>
+</root>

Core/FormManager.cs

@@ -0,0 +1,29 @@
+using System.Linq;
+using System.Windows.Forms;
+using TweetDuck.Core.Other;
+
+namespace TweetDuck.Core{
+    static class FormManager{
+        public static T TryFind<T>() where T : Form{
+            return Application.OpenForms.OfType<T>().FirstOrDefault();
+        }
+
+        public static bool TryBringToFront<T>() where T : Form{
+            T form = TryFind<T>();
+
+            if (form != null){
+                form.BringToFront();
+                return true;
+            }
+            else return false;
+        }
+
+        public static void CloseAllDialogs(){
+            foreach(Form form in Application.OpenForms.Cast<Form>().Reverse()){
+                if (form is FormSettings || form is FormPlugins || form is FormAbout || form is FormGuide){
+                    form.Close();
+                }
+            }
+        }
+    }
+}

Core/FormNotification.cs

@@ -1,186 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Drawing;
-using System.Windows.Forms;
-using CefSharp;
-using CefSharp.WinForms;
-using TweetDck.Configuration;
-using TweetDck.Core.Handling;
-using TweetDck.Resources;
-
-namespace TweetDck.Core{
-    sealed partial class FormNotification : Form{
-        public Func<bool> CanMoveWindow = () => true;
-
-        private readonly Form owner;
-        private readonly ChromiumWebBrowser browser;
-
-        private readonly Queue<TweetNotification> tweetQueue = new Queue<TweetNotification>(4);
-        private readonly bool autoHide;
-        private int timeLeft, totalTime;
-
-        private readonly string notificationJS;
-
-        public FormNotification(Form owner, TweetDeckBridge bridge, bool autoHide){
-            InitializeComponent();
-
-            Text = Program.BrandName;
-
-            this.owner = owner;
-            this.autoHide = autoHide;
-
-            owner.FormClosed += (sender, args) => Close();
-
-            notificationJS = ScriptLoader.LoadResource("notification.js");
-
-            browser = new ChromiumWebBrowser("about:blank"){ MenuHandler = new ContextMenuNotification() };
-            browser.FrameLoadEnd += Browser_FrameLoadEnd;
-
-            if (bridge != null){
-                browser.RegisterJsObject("$TD",bridge);
-            }
-
-            panelBrowser.Controls.Add(browser);
-
-            Disposed += (sender, args) => browser.Dispose();
-        }
-
-        public FormNotification(Form owner, bool autoHide) : this(owner,null,autoHide){}
-
-        private void Browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e){
-            if (e.Frame.IsMain && notificationJS != null){
-                browser.ExecuteScriptAsync(notificationJS);
-            }
-        }
-
-        protected override void WndProc(ref Message m){
-            if (m.Msg == 0x0112 && (m.WParam.ToInt32() & 0xFFF0) == 0xF010 && !CanMoveWindow()){ // WM_SYSCOMMAND, SC_MOVE
-                return;
-            }
-
-            base.WndProc(ref m);
-        }
-
-        public void ShowNotification(TweetNotification notification){
-            MoveToVisibleLocation();
-
-            tweetQueue.Enqueue(notification);
-
-            if (!timerProgress.Enabled){
-                LoadNextNotification();
-            }
-        }
-
-        public void ShowNotificationForSettings(bool resetAnimation){
-            if (browser.Address == "about:blank"){
-                browser.Load("about:blank"); // required, otherwise shit breaks
-                browser.LoadHtml(TweetNotification.ExampleTweet.GenerateHtml(),"http://tweetdeck.twitter.com/");
-                resetAnimation = true;
-            }
-
-            if (resetAnimation){
-                totalTime = timeLeft = TweetNotification.ExampleTweet.GetDisplayDuration(Program.UserConfig.NotificationDuration);
-                timerProgress.Start();
-            }
-
-            MoveToVisibleLocation();
-        }
-
-        public void HideNotification(){
-            browser.LoadHtml("","about:blank");
-            Location = new Point(-32000,-32000);
-            TopMost = false;
-            timerProgress.Stop();
-        }
-
-        private void LoadNextNotification(){
-            TweetNotification tweet = tweetQueue.Dequeue();
-
-            if (browser.Address == "about:blank"){
-                browser.Load("about:blank"); // required, otherwise shit breaks
-            }
-
-            browser.LoadHtml(tweet.GenerateHtml(),"http://tweetdeck.twitter.com/");
-
-            totalTime = timeLeft = tweet.GetDisplayDuration(Program.UserConfig.NotificationDuration);
-            timerProgress.Stop();
-            timerProgress.Start();
-        }
-
-        private void MoveToVisibleLocation(){
-            UserConfig config = Program.UserConfig;
-            Screen screen = Screen.FromControl(owner);
-
-            if (config.DisplayNotificationTimer){
-                ClientSize = new Size(ClientSize.Width,122);
-                progressBarTimer.Visible = true;
-            }
-            else{
-                ClientSize = new Size(ClientSize.Width,118);
-                progressBarTimer.Visible = false;
-            }
-
-            if (config.NotificationDisplay > 0 && config.NotificationDisplay <= Screen.AllScreens.Length){
-                screen = Screen.AllScreens[config.NotificationDisplay-1];
-            }
-
-            int edgeDist = config.NotificationEdgeDistance;
-
-            switch(config.NotificationPosition){
-                case TweetNotification.Position.TopLeft:
-                    Location = new Point(screen.WorkingArea.X+edgeDist,screen.WorkingArea.Y+edgeDist);
-                    break;
-
-                case TweetNotification.Position.TopRight:
-                    Location = new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width,screen.WorkingArea.Y+edgeDist);
-                    break;
-
-                case TweetNotification.Position.BottomLeft:
-                    Location = new Point(screen.WorkingArea.X+edgeDist,screen.WorkingArea.Y+screen.WorkingArea.Height-edgeDist-Height);
-                    break;
-
-                case TweetNotification.Position.BottomRight:
-                    Location = new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width,screen.WorkingArea.Y+screen.WorkingArea.Height-edgeDist-Height);
-                    break;
-
-                case TweetNotification.Position.Custom:
-                    if (!config.IsCustomNotificationPositionSet){
-                        config.CustomNotificationPosition = new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width,screen.WorkingArea.Y+edgeDist);
-                        config.Save();
-                    }
-
-                    Location = config.CustomNotificationPosition;
-                    break;
-            }
-
-            bool ownerHadFocus = owner.ContainsFocus && owner.WindowState != FormWindowState.Minimized;
-            TopMost = true;
-
-            if (ownerHadFocus)owner.Focus();
-        }
-
-        private void timerHideProgress_Tick(object sender, EventArgs e){
-            if (Bounds.Contains(Cursor.Position))return;
-
-            timeLeft -= timerProgress.Interval;
-            progressBarTimer.SetValueInstant((int)Math.Min(1000,Math.Round(1050.0*(totalTime-timeLeft)/totalTime)));
-
-            if (timeLeft <= 0){
-                if (tweetQueue.Count > 0){
-                    LoadNextNotification();
-                }
-                else if (autoHide){
-                    HideNotification();
-                }
-            }
-        }
-
-        private void FormNotification_FormClosing(object sender, FormClosingEventArgs e){
-            if (e.CloseReason == CloseReason.UserClosing){
-                HideNotification();
-                tweetQueue.Clear();
-                e.Cancel = true;
-            }
-        }
-    }
-}

Core/Handling/ContextMenuBase.cs

@@ -1,110 +1,171 @@
-using CefSharp;
+using System;
 using System.IO;
+using System.Text.RegularExpressions;
 using System.Windows.Forms;
-using TweetDck.Core.Utils;
+using CefSharp;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+using System.Collections.Generic;
+using System.Linq;
 
-namespace TweetDck.Core.Handling{
+namespace TweetDuck.Core.Handling{
     abstract class ContextMenuBase : IContextMenuHandler{
-        private const int MenuOpenUrlInBrowser = 26500;
+        protected static readonly bool HasDevTools = File.Exists(Path.Combine(Program.ProgramPath, "devtools_resources.pak"));
-        private const int MenuCopyUrl = 26501;
+
-        private const int MenuOpenImageInBrowser = 26502;
+        private static TwitterUtils.ImageQuality ImageQuality => Program.UserConfig.TwitterImageQuality;
-        private const int MenuSaveImage = 26503;
+        
-        private const int MenuCopyImageUrl = 26504;
+        private static KeyValuePair<string, string> ContextInfo;
+        private static bool IsLink => ContextInfo.Key == "link";
+        private static bool IsImage => ContextInfo.Key == "image";
+        private static bool IsVideo => ContextInfo.Key == "video";
+
+        public static void SetContextInfo(string type, string link){
+            ContextInfo = new KeyValuePair<string, string>(string.IsNullOrEmpty(link) ? null : type, link);
+        }
+
+        private static string GetMediaLink(IContextMenuParams parameters){
+            return IsImage || IsVideo ? ContextInfo.Value : parameters.SourceUrl;
+        }
+
+        private const CefMenuCommand MenuOpenLinkUrl     = (CefMenuCommand)26500;
+        private const CefMenuCommand MenuCopyLinkUrl     = (CefMenuCommand)26501;
+        private const CefMenuCommand MenuCopyUsername    = (CefMenuCommand)26502;
+        private const CefMenuCommand MenuOpenMediaUrl    = (CefMenuCommand)26503;
+        private const CefMenuCommand MenuCopyMediaUrl    = (CefMenuCommand)26504;
+        private const CefMenuCommand MenuSaveMedia       = (CefMenuCommand)26505;
+        private const CefMenuCommand MenuSaveTweetImages = (CefMenuCommand)26506;
+        private const CefMenuCommand MenuOpenDevTools    = (CefMenuCommand)26599;
+        
+        private string[] lastHighlightedTweetAuthors;
+        private string[] lastHighlightedTweetImageList;
 
         public virtual void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model){
-            RemoveSeparatorIfLast(model);
+            if (!TwitterUtils.IsTweetDeckWebsite(frame) || browser.IsLoading){
+                lastHighlightedTweetAuthors = StringUtils.EmptyArray;
+                lastHighlightedTweetImageList = StringUtils.EmptyArray;
+                ContextInfo = default(KeyValuePair<string, string>);
+            }
+            else{
+                lastHighlightedTweetAuthors = TweetDeckBridge.LastHighlightedTweetAuthorsArray;
+                lastHighlightedTweetImageList = TweetDeckBridge.LastHighlightedTweetImagesArray;
+            }
+
+            bool hasTweetImage = IsImage;
+            bool hasTweetVideo = IsVideo;
+
+            string TextOpen(string name) => "Open "+name+" in browser";
+            string TextCopy(string name) => "Copy "+name+" address";
+            string TextSave(string name) => "Save "+name+" as...";
+            
+            if (parameters.TypeFlags.HasFlag(ContextMenuType.Link) && !parameters.UnfilteredLinkUrl.EndsWith("tweetdeck.twitter.com/#", StringComparison.Ordinal) && !hasTweetImage && !hasTweetVideo){
+                if (TwitterUtils.RegexAccount.IsMatch(parameters.UnfilteredLinkUrl)){
+                    model.AddItem(MenuOpenLinkUrl, TextOpen("account"));
+                    model.AddItem(MenuCopyLinkUrl, TextCopy("account"));
+                    model.AddItem(MenuCopyUsername, "Copy account username");
+                }
+                else{
+                    model.AddItem(MenuOpenLinkUrl, TextOpen("link"));
+                    model.AddItem(MenuCopyLinkUrl, TextCopy("link"));
+                }
 
-            if (parameters.TypeFlags.HasFlag(ContextMenuType.Link)){
-                model.AddItem((CefMenuCommand)MenuOpenUrlInBrowser,"Open in browser");
-                model.AddItem((CefMenuCommand)MenuCopyUrl,"Copy link address");
                 model.AddSeparator();
             }
 
-            if (parameters.TypeFlags.HasFlag(ContextMenuType.Media) && parameters.HasImageContents){
+            if (hasTweetVideo){
-                model.AddItem((CefMenuCommand)MenuOpenImageInBrowser,"Open image in browser");
+                model.AddItem(MenuOpenMediaUrl, TextOpen("video"));
-                model.AddItem((CefMenuCommand)MenuSaveImage,"Save image as...");
+                model.AddItem(MenuCopyMediaUrl, TextCopy("video"));
-                model.AddItem((CefMenuCommand)MenuCopyImageUrl,"Copy image URL");
+                model.AddItem(MenuSaveMedia, TextSave("video"));
+                model.AddSeparator();
+            }
+            else if ((parameters.TypeFlags.HasFlag(ContextMenuType.Media) && parameters.HasImageContents) || hasTweetImage){
+                model.AddItem(MenuOpenMediaUrl, TextOpen("image"));
+                model.AddItem(MenuCopyMediaUrl, TextCopy("image"));
+                model.AddItem(MenuSaveMedia, TextSave("image"));
+
+                if (lastHighlightedTweetImageList.Length > 1){
+                    model.AddItem(MenuSaveTweetImages, TextSave("all images"));
+                }
+
                 model.AddSeparator();
             }
         }
 
         public virtual bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags){
-            switch((int)commandId){
+            switch(commandId){
-                case MenuOpenUrlInBrowser:
+                case MenuOpenLinkUrl:
-                    BrowserUtils.OpenExternalBrowser(parameters.LinkUrl);
+                    OpenBrowser(browserControl.AsControl(), IsLink ? ContextInfo.Value : parameters.LinkUrl);
                     break;
 
-                case MenuCopyUrl:
+                case MenuCopyLinkUrl:
-                    Clipboard.SetText(parameters.UnfilteredLinkUrl,TextDataFormat.Text);
+                    SetClipboardText(browserControl.AsControl(), IsLink ? ContextInfo.Value : parameters.UnfilteredLinkUrl);
                     break;
 
-                case MenuOpenImageInBrowser:
+                case MenuCopyUsername:
-                    BrowserUtils.OpenExternalBrowser(parameters.SourceUrl);
+                    Match match = TwitterUtils.RegexAccount.Match(parameters.UnfilteredLinkUrl);
+                    SetClipboardText(browserControl.AsControl(), match.Success ? match.Groups[1].Value : parameters.UnfilteredLinkUrl);
                     break;
 
-                case MenuSaveImage:
+                case MenuOpenMediaUrl:
-                    string fileName = GetImageFileName(parameters.SourceUrl);
+                    OpenBrowser(browserControl.AsControl(), TwitterUtils.GetMediaLink(GetMediaLink(parameters), ImageQuality));
-                    string extension = Path.GetExtension(fileName);
+                    break;
-                    string saveTarget;
 
-                    using(SaveFileDialog dialog = new SaveFileDialog{
+                case MenuCopyMediaUrl:
-                        AutoUpgradeEnabled = true,
+                    SetClipboardText(browserControl.AsControl(), TwitterUtils.GetMediaLink(GetMediaLink(parameters), ImageQuality));
-                        OverwritePrompt = true,
+                    break;
-                        Title = "Save image",
+
-                        FileName = fileName,
+                case MenuSaveMedia:
-                        Filter = "Image ("+(string.IsNullOrEmpty(extension) ? "unknown" : extension)+")|*.*"
+                    if (IsVideo){
-                    }){
+                        TwitterUtils.DownloadVideo(GetMediaLink(parameters));
-                        saveTarget = dialog.ShowDialog() == DialogResult.OK ? dialog.FileName : null;
                     }
-
+                    else{
-                    if (saveTarget != null){
+                        TwitterUtils.DownloadImage(GetMediaLink(parameters), lastHighlightedTweetAuthors.LastOrDefault(), ImageQuality);
-                        BrowserUtils.DownloadFileAsync(parameters.SourceUrl,saveTarget,ex => {
-                            MessageBox.Show("An error occurred while downloading the image: "+ex.Message,Program.BrandName+" Has Failed :(",MessageBoxButtons.OK,MessageBoxIcon.Error);
-                        });
                     }
 
                     break;
 
-                case MenuCopyImageUrl:
+                case MenuSaveTweetImages:
-                    Clipboard.SetText(parameters.SourceUrl,TextDataFormat.Text);
+                    TwitterUtils.DownloadImages(lastHighlightedTweetImageList, lastHighlightedTweetAuthors.LastOrDefault(), ImageQuality);
+                    break;
+                    
+                case MenuOpenDevTools:
+                    browserControl.ShowDevTools();
                     break;
             }
 
             return false;
         }
 
-        public virtual void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame){}
+        public virtual void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame){
+            ContextInfo = default(KeyValuePair<string, string>);
+        }
 
         public virtual bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback){
             return false;
         }
 
-        protected void RemoveSeparatorIfFirst(IMenuModel model){
+        protected void OpenBrowser(Control control, string url){
+            control.InvokeAsyncSafe(() => BrowserUtils.OpenExternalBrowser(url));
+        }
+
+        protected void SetClipboardText(Control control, string text){
+            control.InvokeAsyncSafe(() => WindowsUtils.SetClipboard(text, TextDataFormat.UnicodeText));
+        }
+        
+        protected static void AddDebugMenuItems(IMenuModel model){
+            model.AddItem(MenuOpenDevTools, "Open dev tools");
+        }
+
+        protected static void RemoveSeparatorIfLast(IMenuModel model){
             if (model.Count > 0 && model.GetTypeAt(model.Count-1) == MenuItemType.Separator){
                 model.RemoveAt(model.Count-1);
             }
         }
 
-        protected void RemoveSeparatorIfLast(IMenuModel model){
+        protected static void AddSeparator(IMenuModel model){
-            if (model.Count > 0 && model.GetTypeAt(model.Count-1) == MenuItemType.Separator){
+            if (model.Count > 0 && model.GetTypeAt(model.Count-1) != MenuItemType.Separator){ // do not add separators if there is nothing to separate
-                model.RemoveAt(model.Count-1);
+                model.AddSeparator();
-            }
+            }
-        }
-
-        private static string GetImageFileName(string url){
-            // twimg adds a colon after file extension
-            int dot = url.LastIndexOf('.');
-
-            if (dot != -1){
-                int colon = url.IndexOf(':',dot);
-            
-                if (colon != -1){
-                    url = url.Substring(0,colon);
-                }
-            }
-
-            // return file name
-            return BrowserUtils.GetFileNameFromUrl(url) ?? "unknown";
         }
     }
 }

Core/Handling/ContextMenuBrowser.cs

@@ -1,12 +1,34 @@
 using CefSharp;
+using System.Windows.Forms;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
 
-namespace TweetDck.Core.Handling{
+namespace TweetDuck.Core.Handling{
-    class ContextMenuBrowser : ContextMenuBase{
+    sealed class ContextMenuBrowser : ContextMenuBase{
-        private const int MenuSettings = 26600;
+        private const CefMenuCommand MenuGlobal   = (CefMenuCommand)26600;
-        private const int MenuAbout = 26601;
+        private const CefMenuCommand MenuMute     = (CefMenuCommand)26601;
+        private const CefMenuCommand MenuSettings = (CefMenuCommand)26602;
+        private const CefMenuCommand MenuPlugins  = (CefMenuCommand)26003;
+        private const CefMenuCommand MenuAbout    = (CefMenuCommand)26604;
+        
+        private const CefMenuCommand MenuOpenTweetUrl       = (CefMenuCommand)26610;
+        private const CefMenuCommand MenuCopyTweetUrl       = (CefMenuCommand)26611;
+        private const CefMenuCommand MenuOpenQuotedTweetUrl = (CefMenuCommand)26612;
+        private const CefMenuCommand MenuCopyQuotedTweetUrl = (CefMenuCommand)26613;
+        private const CefMenuCommand MenuScreenshotTweet    = (CefMenuCommand)26614;
+
+        private const string TitleReloadBrowser = "Reload browser";
+        private const string TitleMuteNotifications = "Mute notifications";
+        private const string TitleSettings = "Options";
+        private const string TitlePlugins = "Plugins";
+        private const string TitleAboutProgram = "About "+Program.BrandName;
 
         private readonly FormBrowser form;
 
+        private string lastHighlightedTweetUrl;
+        private string lastHighlightedQuoteUrl;
+
         public ContextMenuBrowser(FormBrowser form){
             this.form = form;
         }
@@ -16,19 +38,57 @@ namespace TweetDck.Core.Handling{
             model.Remove(CefMenuCommand.Forward);
             model.Remove(CefMenuCommand.Print);
             model.Remove(CefMenuCommand.ViewSource);
+            RemoveSeparatorIfLast(model);
 
-            RemoveSeparatorIfFirst(model);
+            if (parameters.TypeFlags.HasFlag(ContextMenuType.Selection)){
+                model.AddSeparator();
+            }
 
             base.OnBeforeContextMenu(browserControl, browser, frame, parameters, model);
 
-            model.AddItem(CefMenuCommand.Reload,"Reload");
+            lastHighlightedTweetUrl = TweetDeckBridge.LastHighlightedTweetUrl;
-            model.AddSeparator();
+            lastHighlightedQuoteUrl = TweetDeckBridge.LastHighlightedQuoteUrl;
 
-            if (TweetNotification.IsReady){
+            if (!TwitterUtils.IsTweetDeckWebsite(frame) || browser.IsLoading){
-                model.AddItem((CefMenuCommand)MenuSettings,"Settings");
+                lastHighlightedTweetUrl = string.Empty;
+                lastHighlightedQuoteUrl = string.Empty;
             }
 
-            model.AddItem((CefMenuCommand)MenuAbout,"About "+Program.BrandName);
+            if (!string.IsNullOrEmpty(lastHighlightedTweetUrl) && (parameters.TypeFlags & (ContextMenuType.Editable | ContextMenuType.Selection)) == 0){
+                model.AddItem(MenuOpenTweetUrl, "Open tweet in browser");
+                model.AddItem(MenuCopyTweetUrl, "Copy tweet address");
+                model.AddItem(MenuScreenshotTweet, "Screenshot tweet to clipboard");
+
+                if (!string.IsNullOrEmpty(lastHighlightedQuoteUrl)){
+                    model.AddSeparator();
+                    model.AddItem(MenuOpenQuotedTweetUrl, "Open quoted tweet in browser");
+                    model.AddItem(MenuCopyQuotedTweetUrl, "Copy quoted tweet address");
+                }
+
+                model.AddSeparator();
+            }
+
+            if ((parameters.TypeFlags & (ContextMenuType.Editable | ContextMenuType.Selection)) == 0){
+                AddSeparator(model);
+
+                IMenuModel globalMenu = model.Count == 0 ? model : model.AddSubMenu(MenuGlobal, Program.BrandName);
+            
+                globalMenu.AddItem(CefMenuCommand.Reload, TitleReloadBrowser);
+                globalMenu.AddCheckItem(MenuMute, TitleMuteNotifications);
+                globalMenu.SetChecked(MenuMute, Program.UserConfig.MuteNotifications);
+                globalMenu.AddSeparator();
+
+                globalMenu.AddItem(MenuSettings, TitleSettings);
+                globalMenu.AddItem(MenuPlugins, TitlePlugins);
+                globalMenu.AddItem(MenuAbout, TitleAboutProgram);
+
+                if (HasDevTools){
+                    globalMenu.AddSeparator();
+                    AddDebugMenuItems(globalMenu);
+                }
+            }
+
+            RemoveSeparatorIfLast(model);
         }
 
         public override bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags){
@@ -36,23 +96,71 @@ namespace TweetDck.Core.Handling{
                 return true;
             }
 
-            switch((int)commandId){
+            switch(commandId){
-                case MenuSettings:
+                case CefMenuCommand.Reload:
-                    form.InvokeSafe(() => {
+                    form.InvokeAsyncSafe(form.ReloadToTweetDeck);
-                        form.OpenSettings();
+                    return true;
-                    });
 
+                case MenuSettings:
+                    form.InvokeAsyncSafe(form.OpenSettings);
                     return true;
 
                 case MenuAbout:
-                    form.InvokeSafe(() => {
+                    form.InvokeAsyncSafe(form.OpenAbout);
-                        form.OpenAbout();
+                    return true;
-                    });
 
+                case MenuPlugins:
+                    form.InvokeAsyncSafe(form.OpenPlugins);
+                    return true;
+
+                case MenuMute:
+                    form.InvokeAsyncSafe(ToggleMuteNotifications);
+                    return true;
+
+                case MenuOpenTweetUrl:
+                    OpenBrowser(form, lastHighlightedTweetUrl);
+                    return true;
+
+                case MenuCopyTweetUrl:
+                    SetClipboardText(form, lastHighlightedTweetUrl);
+                    return true;
+
+                case MenuScreenshotTweet:
+                    form.InvokeAsyncSafe(form.TriggerTweetScreenshot);
+                    return true;
+
+                case MenuOpenQuotedTweetUrl:
+                    OpenBrowser(form, lastHighlightedQuoteUrl);
+                    return true;
+
+                case MenuCopyQuotedTweetUrl:
+                    SetClipboardText(form, lastHighlightedQuoteUrl);
                     return true;
             }
 
             return false;
         }
+
+        public static ContextMenu CreateMenu(FormBrowser form){
+            ContextMenu menu = new ContextMenu();
+
+            menu.MenuItems.Add(TitleReloadBrowser, (sender, args) => form.ReloadToTweetDeck());
+            menu.MenuItems.Add(TitleMuteNotifications, (sender, args) => ToggleMuteNotifications());
+            menu.MenuItems.Add("-");
+            menu.MenuItems.Add(TitleSettings, (sender, args) => form.OpenSettings());
+            menu.MenuItems.Add(TitlePlugins, (sender, args) => form.OpenPlugins());
+            menu.MenuItems.Add(TitleAboutProgram,  (sender, args) => form.OpenAbout());
+
+            menu.Popup += (sender, args) => {
+                menu.MenuItems[1].Checked = Program.UserConfig.MuteNotifications;
+            };
+
+            return menu;
+        }
+
+        private static void ToggleMuteNotifications(){
+            Program.UserConfig.MuteNotifications = !Program.UserConfig.MuteNotifications;
+            Program.UserConfig.Save();
+        }
     }
 }

Core/Handling/ContextMenuGuide.cs

@@ -0,0 +1,15 @@
+using CefSharp;
+
+namespace TweetDuck.Core.Handling{
+    sealed class ContextMenuGuide : ContextMenuBase{
+        public override void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model){
+            model.Clear();
+            base.OnBeforeContextMenu(browserControl, browser, frame, parameters, model);
+
+            if (HasDevTools){
+                AddSeparator(model);
+                AddDebugMenuItems(model);
+            }
+        }
+    }
+}

Core/Handling/ContextMenuNotification.cs

@@ -1,16 +1,95 @@
 using CefSharp;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Notification;
+
+namespace TweetDuck.Core.Handling{
+    sealed class ContextMenuNotification : ContextMenuBase{
+        private const CefMenuCommand MenuViewDetail         = (CefMenuCommand)26600;
+        private const CefMenuCommand MenuSkipTweet          = (CefMenuCommand)26601;
+        private const CefMenuCommand MenuFreeze             = (CefMenuCommand)26602;
+        private const CefMenuCommand MenuCopyTweetUrl       = (CefMenuCommand)26603;
+        private const CefMenuCommand MenuCopyQuotedTweetUrl = (CefMenuCommand)26604;
+
+        private readonly FormNotificationBase form;
+        private readonly bool enableCustomMenu;
+
+        public ContextMenuNotification(FormNotificationBase form, bool enableCustomMenu){
+            this.form = form;
+            this.enableCustomMenu = enableCustomMenu;
+        }
 
-namespace TweetDck.Core.Handling{
-    class ContextMenuNotification : ContextMenuBase{
         public override void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model){
             model.Clear();
 
+            if (parameters.TypeFlags.HasFlag(ContextMenuType.Selection)){
+                model.AddItem(CefMenuCommand.Copy, "Copy");
+                model.AddSeparator();
+            }
+
             base.OnBeforeContextMenu(browserControl, browser, frame, parameters, model);
+
+            if (enableCustomMenu){
+                if (form.CanViewDetail){
+                    model.AddItem(MenuViewDetail, "View detail");
+                }
+
+                model.AddItem(MenuSkipTweet, "Skip tweet");
+                model.AddCheckItem(MenuFreeze, "Freeze");
+                model.SetChecked(MenuFreeze, form.FreezeTimer);
+
+                if (!string.IsNullOrEmpty(form.CurrentTweetUrl)){
+                    model.AddSeparator();
+                    model.AddItem(MenuCopyTweetUrl, "Copy tweet address");
+
+                    if (!string.IsNullOrEmpty(form.CurrentQuoteUrl)){
+                        model.AddItem(MenuCopyQuotedTweetUrl, "Copy quoted tweet address");
+                    }
+                }
+            }
+            
+            if (HasDevTools){
+                model.AddSeparator();
+                AddDebugMenuItems(model);
+            }
+
             RemoveSeparatorIfLast(model);
+
+            form.InvokeAsyncSafe(() => form.ContextMenuOpen = true);
         }
 
         public override bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags){
+            if (base.OnContextMenuCommand(browserControl, browser, frame, parameters, commandId, eventFlags)){
+                return true;
+            }
+
+            switch(commandId){
+                case MenuSkipTweet:
+                    form.InvokeAsyncSafe(form.FinishCurrentNotification);
+                    return true;
+
+                case MenuFreeze:
+                    form.InvokeAsyncSafe(() => form.FreezeTimer = !form.FreezeTimer);
+                    return true;
+
+                case MenuViewDetail:
+                    form.InvokeSafe(form.ShowTweetDetail);
+                    return true;
+
+                case MenuCopyTweetUrl:
+                    SetClipboardText(form, form.CurrentTweetUrl);
+                    return true;
+
+                case MenuCopyQuotedTweetUrl:
+                    SetClipboardText(form, form.CurrentQuoteUrl);
+                    return true;
+            }
+
             return false;
         }
+
+        public override void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame){
+            base.OnContextMenuDismissed(browserControl, browser, frame);
+            form.InvokeAsyncSafe(() => form.ContextMenuOpen = false);
+        }
     }
 }

Core/Handling/DragHandlerBrowser.cs

@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling{
+    sealed class DragHandlerBrowser : IDragHandler{
+        public bool OnDragEnter(IWebBrowser browserControl, IBrowser browser, IDragData dragData, DragOperationsMask mask){
+            void TriggerDragStart(string type, string data = null){
+                browserControl.ExecuteScriptAsync("window.TDGF_onGlobalDragStart", type, data);
+            }
+
+            if (dragData.IsLink){
+                TriggerDragStart("link", dragData.LinkUrl);
+            }
+            else if (dragData.IsFragment){
+                TriggerDragStart("text", dragData.FragmentText.Trim());
+            }
+            else{
+                TriggerDragStart("unknown");
+            }
+
+            return false;
+        }
+
+        public void OnDraggableRegionsChanged(IWebBrowser browserControl, IBrowser browser, IList<DraggableRegion> regions){}
+    }
+}

Core/Handling/General/BrowserProcessHandler.cs

@@ -0,0 +1,15 @@
+using System;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling.General{
+    sealed class BrowserProcessHandler : IBrowserProcessHandler{
+        void IBrowserProcessHandler.OnContextInitialized(){
+            using(IRequestContext ctx = Cef.GetGlobalRequestContext()){
+                ctx.SetPreference("browser.enable_spellchecking", Program.UserConfig.EnableSpellCheck, out string _);
+            }
+        }
+
+        void IBrowserProcessHandler.OnScheduleMessagePumpWork(long delay){}
+        void IDisposable.Dispose(){}
+    }
+}

Core/Handling/General/FileDialogHandler.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Windows.Forms;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling.General{
+    sealed class FileDialogHandler : IDialogHandler{
+        public bool OnFileDialog(IWebBrowser browserControl, IBrowser browser, CefFileDialogMode mode, string title, string defaultFilePath, List<string> acceptFilters, int selectedAcceptFilter, IFileDialogCallback callback){
+            CefFileDialogMode dialogType = mode & CefFileDialogMode.TypeMask;
+
+            if (dialogType == CefFileDialogMode.Open || dialogType == CefFileDialogMode.OpenMultiple){
+                string allFilters = string.Join(";", acceptFilters.Select(filter => "*"+filter));
+
+                using(OpenFileDialog dialog = new OpenFileDialog{
+                    AutoUpgradeEnabled = true,
+                    DereferenceLinks = true,
+                    Multiselect = dialogType == CefFileDialogMode.OpenMultiple,
+                    Title = "Open Files",
+                    Filter = $"All Supported Formats ({allFilters})|{allFilters}|All Files (*.*)|*.*"
+                }){
+                    if (dialog.ShowDialog() == DialogResult.OK){
+                        string ext = Path.GetExtension(dialog.FileName);
+                        callback.Continue(acceptFilters.FindIndex(filter => filter.Equals(ext, StringComparison.OrdinalIgnoreCase)), dialog.FileNames.ToList());
+                    }
+                    else{
+                        callback.Cancel();
+                    }
+
+                    callback.Dispose();
+                }
+
+                return true;
+            }
+            else{
+                callback.Dispose();
+                return false;
+            }
+        }
+    }
+}

Core/Handling/General/JavaScriptDialogHandler.cs

@@ -0,0 +1,90 @@
+using System.Drawing;
+using System.Windows.Forms;
+using CefSharp;
+using CefSharp.WinForms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Other;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Handling.General{
+    sealed class JavaScriptDialogHandler : IJsDialogHandler{
+        private static FormMessage CreateMessageForm(string caption, string text){
+            MessageBoxIcon icon = MessageBoxIcon.None;
+            int pipe = text.IndexOf('|');
+
+            if (pipe != -1){
+                switch(text.Substring(0, pipe)){
+                    case "error": icon = MessageBoxIcon.Error; break;
+                    case "warning": icon = MessageBoxIcon.Warning; break;
+                    case "info": icon = MessageBoxIcon.Information; break;
+                    case "question": icon = MessageBoxIcon.Question; break;
+                    default: return new FormMessage(caption, text, icon);
+                }
+
+                text = text.Substring(pipe+1);
+            }
+
+            return new FormMessage(caption, text, icon);
+        }
+
+        bool IJsDialogHandler.OnJSDialog(IWebBrowser browserControl, IBrowser browser, string originUrl, CefJsDialogType dialogType, string messageText, string defaultPromptText, IJsDialogCallback callback, ref bool suppressMessage){
+            ((ChromiumWebBrowser)browserControl).InvokeSafe(() => {
+                FormMessage form;
+                TextBox input = null;
+
+                if (dialogType == CefJsDialogType.Alert){
+                    form = CreateMessageForm("Browser Message", messageText);
+                    form.AddButton(FormMessage.OK, ControlType.Accept | ControlType.Focused);
+                }
+                else if (dialogType == CefJsDialogType.Confirm){
+                    form = CreateMessageForm("Browser Confirmation", messageText);
+                    form.AddButton(FormMessage.No, DialogResult.No, ControlType.Cancel);
+                    form.AddButton(FormMessage.Yes, ControlType.Focused);
+                }
+                else if (dialogType == CefJsDialogType.Prompt){
+                    form = CreateMessageForm("Browser Prompt", messageText);
+                    form.AddButton(FormMessage.Cancel, DialogResult.Cancel, ControlType.Cancel);
+                    form.AddButton(FormMessage.OK, ControlType.Accept | ControlType.Focused);
+
+                    float dpiScale = form.GetDPIScale();
+                    int inputPad = form.HasIcon ? 43 : 0;
+
+                    input = new TextBox{
+                        Anchor = AnchorStyles.Left | AnchorStyles.Right | AnchorStyles.Bottom,
+                        Location = new Point(BrowserUtils.Scale(22+inputPad, dpiScale), form.ActionPanelY-BrowserUtils.Scale(46, dpiScale)),
+                        Size = new Size(form.ClientSize.Width-BrowserUtils.Scale(44+inputPad, dpiScale), 20)
+                    };
+
+                    form.Controls.Add(input);
+                    form.ActiveControl = input;
+                    form.Height += input.Size.Height+input.Margin.Vertical;
+                }
+                else{
+                    callback.Continue(false);
+                    return;
+                }
+
+                bool success = form.ShowDialog() == DialogResult.OK;
+
+                if (input == null){
+                    callback.Continue(success);
+                }
+                else{
+                    callback.Continue(success, input.Text);
+                    input.Dispose();
+                }
+
+                form.Dispose();
+            });
+
+            return true;
+        }
+
+        bool IJsDialogHandler.OnJSBeforeUnload(IWebBrowser browserControl, IBrowser browser, string message, bool isReload, IJsDialogCallback callback){
+            return false;
+        }
+
+        void IJsDialogHandler.OnResetDialogState(IWebBrowser browserControl, IBrowser browser){}
+        void IJsDialogHandler.OnDialogClosed(IWebBrowser browserControl, IBrowser browser){}
+    }
+}

Core/Handling/General/LifeSpanHandler.cs

@@ -0,0 +1,31 @@
+using CefSharp;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Handling.General{
+    sealed class LifeSpanHandler : ILifeSpanHandler{
+        public bool OnBeforePopup(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, string targetFrameName, WindowOpenDisposition targetDisposition, bool userGesture, IPopupFeatures popupFeatures, IWindowInfo windowInfo, IBrowserSettings browserSettings, ref bool noJavascriptAccess, out IWebBrowser newBrowser){
+            newBrowser = null;
+
+            switch(targetDisposition){
+                case WindowOpenDisposition.NewBackgroundTab:
+                case WindowOpenDisposition.NewForegroundTab:
+                case WindowOpenDisposition.NewPopup:
+                case WindowOpenDisposition.NewWindow:
+                    browserControl.AsControl().InvokeAsyncSafe(() => BrowserUtils.OpenExternalBrowser(targetUrl));
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
+
+        public void OnAfterCreated(IWebBrowser browserControl, IBrowser browser){}
+
+        public bool DoClose(IWebBrowser browserControl, IBrowser browser){
+            return false;
+        }
+
+        public void OnBeforeClose(IWebBrowser browserControl, IBrowser browser){}
+    }
+}

Core/Handling/General/RequestHandlerBase.cs

@@ -0,0 +1,68 @@
+using System.Security.Cryptography.X509Certificates;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling.General{
+    abstract class RequestHandlerBase : IRequestHandler{
+        // Browser
+
+        public virtual void OnRenderViewReady(IWebBrowser browserControl, IBrowser browser){}
+
+        public virtual void OnRenderProcessTerminated(IWebBrowser browserControl, IBrowser browser, CefTerminationStatus status){}
+
+        public virtual bool OnBeforeBrowse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, bool isRedirect){
+            return false;
+        }
+
+        public virtual bool OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture){
+            return false;
+        }
+
+        public virtual bool OnProtocolExecution(IWebBrowser browserControl, IBrowser browser, string url){
+            return false;
+        }
+
+        // Resources
+
+        public virtual CefReturnValue OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback){
+            return CefReturnValue.Continue;
+        }
+
+        public virtual void OnResourceRedirect(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, ref string newUrl){}
+
+        public virtual bool OnResourceResponse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response){
+            return false;
+        }
+
+        public virtual IResponseFilter GetResourceResponseFilter(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response){
+            return null;
+        }
+
+        public virtual void OnResourceLoadComplete(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, UrlRequestStatus status, long receivedContentLength){}
+
+        // JavaScript & Plugins
+
+        public virtual bool OnQuotaRequest(IWebBrowser browserControl, IBrowser browser, string originUrl, long newSize, IRequestCallback callback){
+            callback.Dispose();
+            return false;
+        }
+
+        public virtual void OnPluginCrashed(IWebBrowser browserControl, IBrowser browser, string pluginPath){}
+
+        // Auth
+
+        public virtual bool GetAuthCredentials(IWebBrowser browserControl, IBrowser browser, IFrame frame, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback){
+            callback.Dispose();
+            return false;
+        }
+
+        public virtual bool OnSelectClientCertificate(IWebBrowser browserControl, IBrowser browser, bool isProxy, string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback){
+            callback.Dispose();
+            return false;
+        }
+
+        public virtual bool OnCertificateError(IWebBrowser browserControl, IBrowser browser, CefErrorCode errorCode, string requestUrl, ISslInfo sslInfo, IRequestCallback callback){
+            callback.Dispose();
+            return false;
+        }
+    }
+}

Core/Handling/KeyboardHandlerBrowser.cs

@@ -0,0 +1,20 @@
+using System.Windows.Forms;
+using CefSharp;
+
+namespace TweetDuck.Core.Handling{
+    sealed class KeyboardHandlerBrowser : IKeyboardHandler{
+        private readonly FormBrowser form;
+
+        public KeyboardHandlerBrowser(FormBrowser form){
+            this.form = form;
+        }
+
+        bool IKeyboardHandler.OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){
+            return type == KeyType.RawKeyDown && form.ProcessBrowserKey((Keys)windowsKeyCode);
+        }
+
+        bool IKeyboardHandler.OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){
+            return false;
+        }
+    }
+}

Core/Handling/KeyboardHandlerNotification.cs

@@ -0,0 +1,38 @@
+using CefSharp;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Notification;
+
+namespace TweetDuck.Core.Handling {
+    sealed class KeyboardHandlerNotification : IKeyboardHandler{
+        private readonly FormNotificationBase notification;
+
+        public KeyboardHandlerNotification(FormNotificationBase notification){
+            this.notification = notification;
+        }
+
+        bool IKeyboardHandler.OnPreKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut){
+            if (type == KeyType.RawKeyDown && !browser.FocusedFrame.Url.StartsWith("chrome-devtools://")){
+                switch((Keys)windowsKeyCode){
+                    case Keys.Enter:
+                        notification.InvokeAsyncSafe(notification.FinishCurrentNotification);
+                        return true;
+
+                    case Keys.Escape:
+                        notification.InvokeAsyncSafe(() => notification.HideNotification(true));
+                        return true;
+
+                    case Keys.Space:
+                        notification.InvokeAsyncSafe(() => notification.FreezeTimer = !notification.FreezeTimer);
+                        return true;
+                }
+            }
+
+            return false;
+        }
+
+        bool IKeyboardHandler.OnKeyEvent(IWebBrowser browserControl, IBrowser browser, KeyType type, int windowsKeyCode, int nativeKeyCode, CefEventFlags modifiers, bool isSystemKey){
+            return false;
+        }
+    }
+}

Core/Handling/RequestHandlerBrowser.cs

@@ -0,0 +1,18 @@
+using CefSharp;
+using TweetDuck.Core.Handling.General;
+
+namespace TweetDuck.Core.Handling{
+    sealed class RequestHandlerBrowser : RequestHandlerBase{
+        public override void OnRenderProcessTerminated(IWebBrowser browserControl, IBrowser browser, CefTerminationStatus status){
+            browser.Reload();
+        }
+
+        public override CefReturnValue OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback){
+            if (request.ResourceType == ResourceType.Script && request.Url.Contains("analytics.")){
+                return CefReturnValue.Cancel;
+            }
+
+            return CefReturnValue.Continue;
+        }
+    }
+}

Core/Handling/ResourceHandlerNotification.cs

@@ -0,0 +1,63 @@
+using CefSharp;
+using System.Collections.Specialized;
+using System.IO;
+using System.Text;
+
+namespace TweetDuck.Core.Handling{
+    sealed class ResourceHandlerNotification : IResourceHandler{
+        private readonly NameValueCollection headers = new NameValueCollection(0);
+        private MemoryStream dataIn;
+
+        public void SetHTML(string html){
+            dataIn?.Dispose();
+            dataIn = ResourceHandler.GetMemoryStream(html, Encoding.UTF8);
+        }
+
+        public void Dispose(){
+            if (dataIn != null){
+                dataIn.Dispose();
+                dataIn = null;
+            }
+        }
+
+        bool IResourceHandler.ProcessRequest(IRequest request, ICallback callback){
+            callback.Continue();
+            return true;
+        }
+
+        void IResourceHandler.GetResponseHeaders(IResponse response, out long responseLength, out string redirectUrl){
+            redirectUrl = null;
+
+            response.MimeType = "text/html";
+            response.StatusCode = 200;
+            response.StatusText = "OK";
+            response.ResponseHeaders = headers;
+            responseLength = dataIn?.Length ?? -1;
+        }
+
+        bool IResourceHandler.ReadResponse(Stream dataOut, out int bytesRead, ICallback callback){
+            callback.Dispose();
+
+            try{
+                int length = (int)dataIn.Length;
+
+                dataIn.CopyTo(dataOut, length);
+                bytesRead = length;
+                return true;
+            }catch{ // catch IOException, possibly NullReferenceException if dataIn is null
+                bytesRead = 0;
+                return false;
+            }
+        }
+
+        bool IResourceHandler.CanGetCookie(Cookie cookie){
+            return true;
+        }
+
+        bool IResourceHandler.CanSetCookie(Cookie cookie){
+            return true;
+        }
+
+        void IResourceHandler.Cancel(){}
+    }
+}

Core/Handling/TweetDeckBridge.cs

@@ -1,80 +0,0 @@
-using TweetDck.Core.Utils;
-
-namespace TweetDck.Core.Handling{
-    class TweetDeckBridge{
-        private readonly FormBrowser form;
-
-        public string BrandName{
-            get{
-                return Program.BrandName;
-            }
-        }
-
-        public string VersionTag{
-            get{
-                return Program.VersionTag;
-            }
-        }
-
-        public bool UpdateCheckEnabled{
-            get{
-                return Program.UserConfig.EnableUpdateCheck;
-            }
-        }
-
-        public string DismissedVersionTag{
-            get{
-                return Program.UserConfig.DismissedUpdate ?? string.Empty;
-            }
-        }
-
-        public TweetDeckBridge(FormBrowser form){
-            this.form = form;
-        }
-
-        public void LoadFontSizeClass(string fsClass){
-            form.InvokeSafe(() => {
-               TweetNotification.SetFontSizeClass(fsClass);
-            });
-        }
-
-        public void LoadNotificationHeadContents(string headContents){
-            form.InvokeSafe(() => {
-               TweetNotification.SetHeadTag(headContents); 
-            });
-        }
-
-        public void OpenSettingsMenu(){
-            form.InvokeSafe(() => {
-                form.OpenSettings();
-            });
-        }
-
-        public void OnTweetPopup(string tweetHtml, int tweetCharacters){
-            form.InvokeSafe(() => {
-                form.OnTweetPopup(new TweetNotification(tweetHtml,tweetCharacters));
-            });
-        }
-
-        public void OnUpdateAccepted(string versionTag, string downloadUrl){
-            form.InvokeSafe(() => {
-                form.BeginUpdateProcess(versionTag,downloadUrl);
-            });
-        }
-
-        public void OnUpdateDismissed(string versionTag){
-            form.InvokeSafe(() => {
-                Program.UserConfig.DismissedUpdate = versionTag;
-                Program.UserConfig.Save();
-            });
-        }
-
-        public void OpenBrowser(string url){
-            BrowserUtils.OpenExternalBrowser(url);
-        }
-
-        public void Log(string data){
-            System.Diagnostics.Debug.WriteLine(data);
-        }
-    }
-}

Core/Handling/TweetNotification.cs

@@ -1,82 +0,0 @@
-using System;
-using System.Text;
-
-namespace TweetDck.Core.Handling{
-    sealed class TweetNotification{
-        private static string FontSizeClass { get; set; }
-        private static string HeadTag { get; set; }
-
-        public static bool IsReady{
-            get{
-                return FontSizeClass != null && HeadTag != null;
-            }
-        }
-
-        public static TweetNotification ExampleTweet{
-            get{
-                StringBuilder build = new StringBuilder();
-                build.Append(@"<article><div class='js-stream-item-content item-box js-show-detail'><div class='js-tweet tweet'>");
-                build.Append(@"<header class='tweet-header'>");
-                build.Append(@"<time class='tweet-timestamp js-timestamp pull-right txt-mute'><a target='_blank' rel='url' href='https://twitter.com/chylexmc' class='txt-small'>0s</a></time>");
-                build.Append(@"<a target='_blank' rel='user' href='https://twitter.com/chylexmc' class='account-link link-complex block'>");
-                build.Append(@"<div class='obj-left item-img tweet-img'><img width='48' height='48' alt='chylexmc's avatar' src='https://pbs.twimg.com/profile_images/645532929930608642/J56NBJVY_normal.png' class='tweet-avatar avatar pull-right'></div>");
-                build.Append(@"<div class='nbfc'><span class='account-inline txt-ellipsis'><b class='fullname link-complex-target'>chylex</b> <span class='username txt-mute'>@chylexmc</span></span></div>");
-                build.Append(@"</a>");
-                build.Append(@"</header>");
-                build.Append(@"<div class='tweet-body'><p class='js-tweet-text tweet-text with-linebreaks'>This is an example tweet, which lets you test the location and duration of popup notifications.</p></div>");
-                build.Append(@"</div></div></article>");
-
-                return new TweetNotification(build.ToString(),95);
-            }
-        }
-
-        public static void SetFontSizeClass(string newFSClass){
-            FontSizeClass = newFSClass;
-        }
-
-        public static void SetHeadTag(string headContents){
-            HeadTag = headContents;
-        }
-
-        public enum Position{
-            TopLeft, TopRight, BottomLeft, BottomRight, Custom
-        }
-
-        public enum Duration{
-            Short, Medium, Long, VeryLong
-        }
-
-        private readonly string html;
-        private readonly int characters;
-
-        public TweetNotification(string html, int characters){
-            this.html = html;
-            this.characters = characters;
-        }
-
-        public int GetDisplayDuration(Duration modifier){
-            int multiplier;
-
-            switch(modifier){
-                case Duration.Short: multiplier = 15; break;
-                case Duration.Long: multiplier = 35; break;
-                case Duration.VeryLong: multiplier = 45; break;
-                default: multiplier = 25; break;
-            }
-
-            return 2000+Math.Max(1000,multiplier*characters);
-        }
-
-        public string GenerateHtml(){
-            StringBuilder build = new StringBuilder();
-            build.Append("<!DOCTYPE html>");
-            build.Append("<html class='os-windows ").Append(FontSizeClass).Append("'>");
-            build.Append("<head>").Append(HeadTag).Append("</head>");
-            build.Append("<body class='hearty'><div class='app-columns-container'><div class='column' style='width:100%'>");
-            build.Append(html);
-            build.Append("</div></div></body>");
-            build.Append("</html>");
-            return build.ToString();
-        }
-    }
-}

Core/Notification/FormNotificationBase.Designer.cs

@@ -0,0 +1,52 @@
+namespace TweetDuck.Core.Notification {
+    partial class FormNotificationBase {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.SuspendLayout();
+            // 
+            // FormNotification
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackColor = System.Drawing.SystemColors.Control;
+            this.ClientSize = new System.Drawing.Size(284, 122);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
+            this.Location = TweetDuck.Core.Controls.ControlExtensions.InvisibleLocation;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "FormNotification";
+            this.ShowIcon = false;
+            this.ShowInTaskbar = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ToolTip toolTip;
+    }
+}

Core/Notification/FormNotificationBase.cs

@@ -0,0 +1,246 @@
+using CefSharp;
+using CefSharp.WinForms;
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using TweetDuck.Configuration;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Handling;
+using TweetDuck.Core.Handling.General;
+using TweetDuck.Core.Other.Management;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Notification{
+    partial class FormNotificationBase : Form{
+        protected static int FontSizeLevel{
+            get{
+                switch(TweetDeckBridge.FontSizeClass){
+                    case "largest": return 4;
+                    case "large": return 3;
+                    case "small": return 1;
+                    case "smallest": return 0;
+                    default: return 2;
+                }
+            }
+        }
+
+        protected Point PrimaryLocation{
+            get{
+                UserConfig config = Program.UserConfig;
+                Screen screen;
+
+                if (config.NotificationDisplay > 0 && config.NotificationDisplay <= Screen.AllScreens.Length){
+                    screen = Screen.AllScreens[config.NotificationDisplay-1];
+                }
+                else{
+                    screen = Screen.FromControl(owner);
+                }
+            
+                int edgeDist = config.NotificationEdgeDistance;
+
+                switch(config.NotificationPosition){
+                    case TweetNotification.Position.TopLeft:
+                        return new Point(screen.WorkingArea.X+edgeDist, screen.WorkingArea.Y+edgeDist);
+
+                    case TweetNotification.Position.TopRight:
+                        return new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width, screen.WorkingArea.Y+edgeDist);
+
+                    case TweetNotification.Position.BottomLeft:
+                        return new Point(screen.WorkingArea.X+edgeDist, screen.WorkingArea.Y+screen.WorkingArea.Height-edgeDist-Height);
+
+                    case TweetNotification.Position.BottomRight:
+                        return new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width, screen.WorkingArea.Y+screen.WorkingArea.Height-edgeDist-Height);
+
+                    case TweetNotification.Position.Custom:
+                        if (!config.IsCustomNotificationPositionSet){
+                            config.CustomNotificationPosition = new Point(screen.WorkingArea.X+screen.WorkingArea.Width-edgeDist-Width, screen.WorkingArea.Y+edgeDist);
+                            config.Save();
+                        }
+
+                        return config.CustomNotificationPosition;
+                }
+
+                return Location;
+            }
+        }
+
+        public bool IsNotificationVisible => Location != ControlExtensions.InvisibleLocation;
+
+        public new Point Location{
+            get => base.Location;
+
+            set{
+                Visible = (base.Location = value) != ControlExtensions.InvisibleLocation;
+                FormBorderStyle = GetBorderStyle(CanResizeWindow);
+            }
+        }
+
+        public bool CanResizeWindow{
+            get => FormBorderStyle == FormBorderStyle.Sizable || FormBorderStyle == FormBorderStyle.SizableToolWindow;
+            set => FormBorderStyle = GetBorderStyle(value);
+        }
+        
+        public Func<bool> CanMoveWindow { get; set; } = () => true;
+        protected override bool ShowWithoutActivation => true;
+
+        protected double SizeScale => dpiScale*Program.UserConfig.ZoomMultiplier;
+
+        protected readonly FormBrowser owner;
+        protected readonly ChromiumWebBrowser browser;
+        
+        private readonly ResourceHandlerNotification resourceHandler = new ResourceHandlerNotification();
+        private readonly float dpiScale;
+
+        private TweetNotification currentNotification;
+        private int pauseCounter;
+        
+        public string CurrentTweetUrl => currentNotification?.TweetUrl;
+        public string CurrentQuoteUrl => currentNotification?.QuoteUrl;
+
+        public bool CanViewDetail => currentNotification != null && !string.IsNullOrEmpty(currentNotification.ColumnId) && !string.IsNullOrEmpty(currentNotification.ChirpId);
+        public bool IsPaused => pauseCounter > 0;
+        
+        public bool FreezeTimer { get; set; }
+        public bool ContextMenuOpen { get; set; }
+
+        public event EventHandler Initialized;
+
+        protected FormNotificationBase(FormBrowser owner, bool enableContextMenu){
+            InitializeComponent();
+
+            this.owner = owner;
+            this.owner.FormClosed += owner_FormClosed;
+
+            this.browser = new ChromiumWebBrowser("about:blank"){
+                MenuHandler = new ContextMenuNotification(this, enableContextMenu),
+                JsDialogHandler = new JavaScriptDialogHandler(),
+                LifeSpanHandler = new LifeSpanHandler()
+            };
+
+            this.browser.Dock = DockStyle.None;
+            this.browser.ClientSize = ClientSize;
+            this.browser.IsBrowserInitializedChanged += Browser_IsBrowserInitializedChanged;
+
+            #if DEBUG
+            this.browser.ConsoleMessage += BrowserUtils.HandleConsoleMessage;
+            #endif
+
+            this.dpiScale = this.GetDPIScale();
+
+            DefaultResourceHandlerFactory handlerFactory = (DefaultResourceHandlerFactory)browser.ResourceHandlerFactory;
+            handlerFactory.RegisterHandler(TwitterUtils.TweetDeckURL, this.resourceHandler);
+
+            Controls.Add(browser);
+
+            Disposed += (sender, args) => {
+                this.browser.Dispose();
+                this.owner.FormClosed -= owner_FormClosed;
+            };
+
+            // ReSharper disable once VirtualMemberCallInContructor
+            UpdateTitle();
+        }
+
+        protected override void WndProc(ref Message m){
+            if (m.Msg == 0x0112 && (m.WParam.ToInt32() & 0xFFF0) == 0xF010 && !CanMoveWindow()){ // WM_SYSCOMMAND, SC_MOVE
+                return;
+            }
+
+            base.WndProc(ref m);
+        }
+
+        // event handlers
+
+        private void owner_FormClosed(object sender, FormClosedEventArgs e){
+            Close();
+        }
+
+        private void Browser_IsBrowserInitializedChanged(object sender, IsBrowserInitializedChangedEventArgs e){
+            if (e.IsBrowserInitialized){
+                Initialized?.Invoke(this, EventArgs.Empty);
+
+                int identifier = browser.GetBrowser().Identifier;
+                Disposed += (sender2, args2) => BrowserProcesses.Forget(identifier);
+            }
+        }
+
+        // notification methods
+
+        public virtual void HideNotification(bool loadBlank){
+            if (loadBlank){
+                browser.Load("about:blank");
+            }
+
+            Location = ControlExtensions.InvisibleLocation;
+            currentNotification = null;
+        }
+
+        public virtual void FinishCurrentNotification(){}
+
+        public virtual void PauseNotification(){
+            if (pauseCounter++ == 0 && IsNotificationVisible){
+                Location = ControlExtensions.InvisibleLocation;
+            }
+        }
+
+        public virtual void ResumeNotification(){
+            if (pauseCounter > 0){
+                --pauseCounter;
+            }
+        }
+
+        protected virtual string GetTweetHTML(TweetNotification tweet){
+            string bodyClasses = browser.Bounds.Contains(PointToClient(Cursor.Position)) ? "td-hover" : string.Empty;
+            return tweet.GenerateHtml(bodyClasses);
+        }
+
+        protected virtual void LoadTweet(TweetNotification tweet){
+            currentNotification = tweet;
+            resourceHandler.SetHTML(GetTweetHTML(tweet));
+            browser.Load(TwitterUtils.TweetDeckURL);
+        }
+
+        protected virtual void SetNotificationSize(int width, int height){
+            browser.ClientSize = ClientSize = new Size(BrowserUtils.Scale(width, SizeScale), BrowserUtils.Scale(height, SizeScale));
+        }
+
+        protected virtual void UpdateTitle(){
+            string title = currentNotification?.ColumnTitle;
+            Text = string.IsNullOrEmpty(title) || !Program.UserConfig.DisplayNotificationColumn ? Program.BrandName : Program.BrandName+" - "+title;
+        }
+
+        public void ShowTweetDetail(){
+            owner.ShowTweetDetail(currentNotification.ColumnId, currentNotification.ChirpId, currentNotification.TweetUrl);
+        }
+
+        public void MoveToVisibleLocation(){
+            bool needsReactivating = Location == ControlExtensions.InvisibleLocation;
+            Location = PrimaryLocation;
+
+            if (needsReactivating){
+                NativeMethods.SetFormPos(this, NativeMethods.HWND_TOPMOST, NativeMethods.SWP_NOACTIVATE);
+            }
+        }
+
+        public void DisplayTooltip(string text){
+            if (string.IsNullOrEmpty(text)){
+                toolTip.Hide(this);
+            }
+            else{
+                Point position = PointToClient(Cursor.Position);
+                position.Offset(20, 5);
+                toolTip.Show(text, this, position);
+            }
+        }
+
+        private FormBorderStyle GetBorderStyle(bool sizable){
+            if (WindowsUtils.ShouldAvoidToolWindow && Visible){ // Visible = workaround for alt+tab
+                return sizable ? FormBorderStyle.Sizable : FormBorderStyle.FixedSingle;
+            }
+            else{
+                return sizable ? FormBorderStyle.SizableToolWindow : FormBorderStyle.FixedToolWindow;
+            }
+        }
+    }
+}

Core/Notification/FormNotificationMain.Designer.cs

@@ -1,7 +1,5 @@
-using TweetDck.Core.Controls;
+namespace TweetDuck.Core.Notification {
-
+    partial class FormNotificationMain {
-namespace TweetDck.Core {
-    sealed partial class FormNotification {
         /// <summary>
         /// Required designer variable.
         /// </summary>
@@ -26,21 +24,15 @@ namespace TweetDck.Core {
         /// </summary>
         private void InitializeComponent() {
             this.components = new System.ComponentModel.Container();
-            this.panelBrowser = new System.Windows.Forms.Panel();
+            this.timerDisplayDelay = new System.Windows.Forms.Timer(this.components);
             this.timerProgress = new System.Windows.Forms.Timer(this.components);
-            this.progressBarTimer = new FlatProgressBar();
+            this.progressBarTimer = new TweetDuck.Core.Controls.FlatProgressBar();
             this.SuspendLayout();
             // 
-            // panelBrowser
+            // timerDisplayDelay
             // 
-            this.panelBrowser.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.timerDisplayDelay.Interval = 17;
-            | System.Windows.Forms.AnchorStyles.Right)));
+            this.timerDisplayDelay.Tick += new System.EventHandler(this.timerDisplayDelay_Tick);
-            this.panelBrowser.BackColor = System.Drawing.Color.White;
-            this.panelBrowser.Location = new System.Drawing.Point(0, 0);
-            this.panelBrowser.Margin = new System.Windows.Forms.Padding(0);
-            this.panelBrowser.Name = "panelBrowser";
-            this.panelBrowser.Size = new System.Drawing.Size(284, 118);
-            this.panelBrowser.TabIndex = 0;
             // 
             // timerProgress
             // 
@@ -49,13 +41,15 @@ namespace TweetDck.Core {
             // 
             // progressBarTimer
             // 
+            this.progressBarTimer.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
             this.progressBarTimer.BackColor = System.Drawing.SystemColors.Control;
             this.progressBarTimer.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(28)))), ((int)(((byte)(99)))), ((int)(((byte)(153)))));
             this.progressBarTimer.Location = new System.Drawing.Point(0, 118);
             this.progressBarTimer.Margin = new System.Windows.Forms.Padding(0);
             this.progressBarTimer.Maximum = 1000;
             this.progressBarTimer.Name = "progressBarTimer";
-            this.progressBarTimer.Size = new System.Drawing.Size(284, 4);
+            this.progressBarTimer.Size = new System.Drawing.Size(284, TimerBarHeight);
             this.progressBarTimer.TabIndex = 1;
             // 
             // FormNotification
@@ -65,12 +59,6 @@ namespace TweetDck.Core {
             this.BackColor = System.Drawing.SystemColors.Control;
             this.ClientSize = new System.Drawing.Size(284, 122);
             this.Controls.Add(this.progressBarTimer);
-            this.Controls.Add(this.panelBrowser);
-            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedToolWindow;
-            this.Location = new System.Drawing.Point(-32000, -32000);
-            this.Name = "FormNotification";
-            this.ShowInTaskbar = false;
-            this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormNotification_FormClosing);
             this.ResumeLayout(false);
 
@@ -78,8 +66,8 @@ namespace TweetDck.Core {
 
         #endregion
 
-        private System.Windows.Forms.Panel panelBrowser;
+        private System.Windows.Forms.Timer timerDisplayDelay;
+        protected System.Windows.Forms.Timer timerProgress;
         private Controls.FlatProgressBar progressBarTimer;
-        private System.Windows.Forms.Timer timerProgress;
     }
 }

Core/Notification/FormNotificationMain.cs

@@ -0,0 +1,287 @@
+using CefSharp;
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Handling;
+using TweetDuck.Core.Utils;
+using TweetDuck.Data;
+using TweetDuck.Plugins;
+using TweetDuck.Plugins.Enums;
+using TweetDuck.Resources;
+
+namespace TweetDuck.Core.Notification{
+    partial class FormNotificationMain : FormNotificationBase{
+        private const string NotificationScriptFile = "notification.js";
+        private const int TimerBarHeight = 4;
+
+        private static readonly string NotificationScriptIdentifier = ScriptLoader.GetRootIdentifier(NotificationScriptFile);
+        private static readonly string NotificationJS = ScriptLoader.LoadResource(NotificationScriptFile);
+        
+        private readonly PluginManager plugins;
+
+        protected int timeLeft, totalTime;
+        protected bool pausedDuringNotification;
+        
+        private readonly NativeMethods.HookProc mouseHookDelegate;
+        private IntPtr mouseHook;
+        private bool blockXButtonUp;
+
+        private bool? prevDisplayTimer;
+        private int? prevFontSize;
+
+        public bool RequiresResize{
+            get{
+                return !prevDisplayTimer.HasValue || !prevFontSize.HasValue || prevDisplayTimer != Program.UserConfig.DisplayNotificationTimer || prevFontSize != FontSizeLevel || CanResizeWindow;
+            }
+
+            set{
+                if (value){
+                    prevDisplayTimer = null;
+                    prevFontSize = null;
+                }
+                else{
+                    prevDisplayTimer = Program.UserConfig.DisplayNotificationTimer;
+                    prevFontSize = FontSizeLevel;
+                }
+            }
+        }
+
+        private int BaseClientWidth{
+            get{
+                switch(Program.UserConfig.NotificationSize){
+                    default:
+                        return BrowserUtils.Scale(284, SizeScale*(1.0+0.05*FontSizeLevel));
+
+                    case TweetNotification.Size.Custom:
+                        return Program.UserConfig.CustomNotificationSize.Width;
+                }
+            }
+        }
+
+        private int BaseClientHeight{
+            get{
+                switch(Program.UserConfig.NotificationSize){
+                    default:
+                        return BrowserUtils.Scale(122, SizeScale*(1.0+0.075*FontSizeLevel));
+
+                    case TweetNotification.Size.Custom:
+                        return Program.UserConfig.CustomNotificationSize.Height;
+                }
+            }
+        }
+
+        public Size BrowserSize{
+            get => Program.UserConfig.DisplayNotificationTimer ? new Size(ClientSize.Width, ClientSize.Height-TimerBarHeight) : ClientSize;
+        }
+
+        public FormNotificationMain(FormBrowser owner, PluginManager pluginManager, bool enableContextMenu) : base(owner, enableContextMenu){
+            InitializeComponent();
+
+            this.plugins = pluginManager;
+            
+            browser.KeyboardHandler = new KeyboardHandlerNotification(this);
+            
+            browser.RegisterAsyncJsObject("$TD", new TweetDeckBridge(owner, this));
+            browser.RegisterAsyncJsObject("$TDP", plugins.Bridge);
+
+            browser.LoadingStateChanged += Browser_LoadingStateChanged;
+            browser.FrameLoadEnd += Browser_FrameLoadEnd;
+
+            mouseHookDelegate = MouseHookProc;
+            Disposed += (sender, args) => StopMouseHook(true);
+        }
+
+        // mouse wheel hook
+
+        private void StartMouseHook(){
+            if (mouseHook == IntPtr.Zero){
+                mouseHook = NativeMethods.SetWindowsHookEx(NativeMethods.WM_MOUSE_LL, mouseHookDelegate, IntPtr.Zero, 0);
+            }
+        }
+
+        private void StopMouseHook(bool force){
+            if (mouseHook != IntPtr.Zero && (force || !blockXButtonUp)){
+                NativeMethods.UnhookWindowsHookEx(mouseHook);
+                mouseHook = IntPtr.Zero;
+                blockXButtonUp = false;
+            }
+        }
+
+        private IntPtr MouseHookProc(int nCode, IntPtr wParam, IntPtr lParam){
+            if (nCode == 0){
+                int eventType = wParam.ToInt32();
+
+                if (eventType == NativeMethods.WM_MOUSEWHEEL && browser.Bounds.Contains(PointToClient(Cursor.Position))){
+                    browser.SendMouseWheelEvent(0, 0, 0, BrowserUtils.Scale(NativeMethods.GetMouseHookData(lParam), Program.UserConfig.NotificationScrollSpeed/100.0), CefEventFlags.None);
+                    return NativeMethods.HOOK_HANDLED;
+                }
+                else if (eventType == NativeMethods.WM_XBUTTONDOWN && DesktopBounds.Contains(Cursor.Position)){
+                    int extraButton = NativeMethods.GetMouseHookData(lParam);
+
+                    if (extraButton == 2){ // forward button
+                        this.InvokeAsyncSafe(FinishCurrentNotification);
+                    }
+                    else if (extraButton == 1){ // back button
+                        this.InvokeAsyncSafe(Close);
+                    }
+                    
+                    blockXButtonUp = true;
+                    return NativeMethods.HOOK_HANDLED;
+                }
+                else if (eventType == NativeMethods.WM_XBUTTONUP && blockXButtonUp){
+                    blockXButtonUp = false;
+
+                    if (!Visible){
+                        StopMouseHook(false);
+                    }
+
+                    return NativeMethods.HOOK_HANDLED;
+                }
+            }
+
+            return NativeMethods.CallNextHookEx(mouseHook, nCode, wParam, lParam);
+        }
+
+        // event handlers
+
+        private void FormNotification_FormClosing(object sender, FormClosingEventArgs e){
+            if (e.CloseReason == CloseReason.UserClosing){
+                HideNotification(true);
+                e.Cancel = true;
+            }
+        }
+
+        private void Browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e){
+            if (!e.IsLoading && browser.Address != "about:blank"){
+                this.InvokeSafe(() => {
+                    Visible = true; // ensures repaint before moving the window to a visible location
+                    timerDisplayDelay.Start();
+                });
+            }
+        }
+
+        private void Browser_FrameLoadEnd(object sender, FrameLoadEndEventArgs e){
+            if (e.Frame.IsMain && NotificationJS != null && browser.Address != "about:blank"){
+                e.Frame.ExecuteJavaScriptAsync(PropertyBridge.GenerateScript(PropertyBridge.Environment.Notification));
+                ScriptLoader.ExecuteScript(e.Frame, NotificationJS, NotificationScriptIdentifier);
+                plugins.ExecutePlugins(e.Frame, PluginEnvironment.Notification);
+            }
+        }
+
+        private void timerDisplayDelay_Tick(object sender, EventArgs e){
+            OnNotificationReady();
+            timerDisplayDelay.Stop();
+        }
+
+        private void timerHideProgress_Tick(object sender, EventArgs e){
+            if (Bounds.Contains(Cursor.Position) || FreezeTimer || ContextMenuOpen)return;
+
+            timeLeft -= timerProgress.Interval;
+
+            int value = BrowserUtils.Scale(1025, (totalTime-timeLeft)/(double)totalTime);
+            progressBarTimer.SetValueInstant(Math.Min(1000, Math.Max(0, Program.UserConfig.NotificationTimerCountDown ? 1000-value : value)));
+
+            if (timeLeft <= 0){
+                FinishCurrentNotification();
+            }
+        }
+
+        // notification methods
+
+        public virtual void ShowNotification(TweetNotification notification){
+            LoadTweet(notification);
+        }
+
+        public void ShowNotificationForSettings(bool reset){
+            if (reset){
+                LoadTweet(TweetNotification.ExampleTweet);
+            }
+            else{
+                PrepareAndDisplayWindow();
+            }
+
+            UpdateTitle();
+        }
+
+        public override void HideNotification(bool loadBlank){
+            base.HideNotification(loadBlank);
+            
+            progressBarTimer.Value = Program.UserConfig.NotificationTimerCountDown ? 1000 : 0;
+            timerProgress.Stop();
+            totalTime = 0;
+
+            StopMouseHook(false);
+        }
+
+        public override void FinishCurrentNotification(){
+            timerProgress.Stop();
+        }
+
+        public override void PauseNotification(){
+            if (!IsPaused){
+                pausedDuringNotification = IsNotificationVisible;
+                timerProgress.Stop();
+                StopMouseHook(true);
+            }
+
+            base.PauseNotification();
+        }
+
+        public override void ResumeNotification(){
+            bool wasPaused = IsPaused;
+            base.ResumeNotification();
+
+            if (wasPaused && !IsPaused && pausedDuringNotification){
+                OnNotificationReady();
+            }
+        }
+
+        protected override string GetTweetHTML(TweetNotification tweet){
+            string html = base.GetTweetHTML(tweet);
+
+            foreach(InjectedHTML injection in plugins.Bridge.NotificationInjections){
+                html = injection.Inject(html);
+            }
+
+            return html;
+        }
+
+        protected override void LoadTweet(TweetNotification tweet){
+            timerProgress.Stop();
+            totalTime = timeLeft = tweet.GetDisplayDuration(Program.UserConfig.NotificationDurationValue);
+            progressBarTimer.Value = Program.UserConfig.NotificationTimerCountDown ? 1000 : 0;
+
+            base.LoadTweet(tweet);
+        }
+
+        protected override void SetNotificationSize(int width, int height){
+            if (Program.UserConfig.DisplayNotificationTimer){
+                ClientSize = new Size(width, height+TimerBarHeight);
+                progressBarTimer.Visible = true;
+            }
+            else{
+                ClientSize = new Size(width, height);
+                progressBarTimer.Visible = false;
+            }
+
+            browser.ClientSize = new Size(width, height);
+        }
+        
+        private void PrepareAndDisplayWindow(){
+            if (RequiresResize){
+                RequiresResize = false;
+                SetNotificationSize(BaseClientWidth, BaseClientHeight);
+            }
+            
+            MoveToVisibleLocation();
+            StartMouseHook();
+        }
+
+        protected virtual void OnNotificationReady(){
+            PrepareAndDisplayWindow();
+            timerProgress.Start();
+        }
+    }
+}

Core/Notification/FormNotificationTweet.Designer.cs

@@ -0,0 +1,53 @@
+namespace TweetDuck.Core.Notification {
+    partial class FormNotificationTweet {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.timerCursorCheck = new System.Windows.Forms.Timer(this.components);
+            this.timerIdlePauseCheck = new System.Windows.Forms.Timer(this.components);
+            this.SuspendLayout();
+            // 
+            // timerCursorCheck
+            // 
+            this.timerCursorCheck.Interval = 200;
+            this.timerCursorCheck.Tick += new System.EventHandler(this.timerCursorCheck_Tick);
+            // 
+            // timerIdlePauseCheck
+            // 
+            this.timerIdlePauseCheck.Interval = 750;
+            this.timerIdlePauseCheck.Tick += new System.EventHandler(this.timerIdlePauseCheck_Tick);
+            // 
+            // FormNotificationTweet
+            // 
+            this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormNotificationTweet_FormClosing);
+            this.ResumeLayout(true);
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Timer timerCursorCheck;
+        private System.Windows.Forms.Timer timerIdlePauseCheck;
+    }
+}

Core/Notification/FormNotificationTweet.cs

@@ -0,0 +1,141 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using TweetDuck.Plugins;
+using System.Windows.Forms;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Notification{
+    sealed partial class FormNotificationTweet : FormNotificationMain{
+        private const int NonIntrusiveIdleLimit = 30;
+        private const int TrimMinimum = 32;
+
+        private bool IsCursorOverNotificationArea => new Rectangle(PrimaryLocation, Size).Contains(Cursor.Position);
+
+        private readonly Queue<TweetNotification> tweetQueue = new Queue<TweetNotification>(4);
+        private bool needsTrim;
+
+        public FormNotificationTweet(FormBrowser owner, PluginManager pluginManager) : base(owner, pluginManager, true){
+            InitializeComponent();
+
+            Program.UserConfig.MuteToggled += Config_MuteToggled;
+            Disposed += (sender, args) => Program.UserConfig.MuteToggled -= Config_MuteToggled;
+
+            if (Program.UserConfig.MuteNotifications){
+                PauseNotification();
+            }
+        }
+
+        private void FormNotificationTweet_FormClosing(object sender, FormClosingEventArgs e){
+            if (e.CloseReason == CloseReason.UserClosing){
+                tweetQueue.Clear(); // already canceled
+                TrimQueue();
+            }
+        }
+
+        private void TrimQueue(){
+            if (needsTrim){
+                tweetQueue.TrimExcess();
+                needsTrim = false;
+            }
+        }
+
+        // event handlers
+
+        private void Config_MuteToggled(object sender, EventArgs e){
+            if (Program.UserConfig.MuteNotifications){
+                PauseNotification();
+            }
+            else{
+                ResumeNotification();
+            }
+        }
+
+        private void timerCursorCheck_Tick(object sender, EventArgs e){
+            if (!IsCursorOverNotificationArea){
+                ResumeNotification();
+                timerCursorCheck.Stop();
+            }
+        }
+
+        private void timerIdlePauseCheck_Tick(object sender, EventArgs e){
+            if (NativeMethods.GetIdleSeconds() < Program.UserConfig.NotificationIdlePauseSeconds){
+                ResumeNotification();
+                timerIdlePauseCheck.Stop();
+            }
+        }
+
+        // notification methods
+
+        public override void ShowNotification(TweetNotification notification){
+            if (IsPaused){
+                tweetQueue.Enqueue(notification);
+            }
+            else{
+                tweetQueue.Enqueue(notification);
+                UpdateTitle();
+
+                if (totalTime == 0){
+                    LoadNextNotification();
+                }
+            }
+
+            needsTrim |= tweetQueue.Count >= TrimMinimum;
+        }
+
+        public override void FinishCurrentNotification(){
+            if (tweetQueue.Count > 0){
+                LoadNextNotification();
+            }
+            else{
+                HideNotification(true);
+                TrimQueue();
+            }
+        }
+
+        public override void ResumeNotification(){
+            bool wasPaused = IsPaused;
+            base.ResumeNotification();
+
+            if (wasPaused && !IsPaused && !pausedDuringNotification && tweetQueue.Count > 0){
+                LoadNextNotification();
+            }
+        }
+
+        private void LoadNextNotification(){
+            if (!IsNotificationVisible){
+                if (Program.UserConfig.NotificationNonIntrusiveMode && IsCursorOverNotificationArea && NativeMethods.GetIdleSeconds() < NonIntrusiveIdleLimit){
+                    if (!timerCursorCheck.Enabled){
+                        PauseNotification();
+                        timerCursorCheck.Start();
+                    }
+
+                    return;
+                }
+                else if (Program.UserConfig.NotificationIdlePauseSeconds > 0 && NativeMethods.GetIdleSeconds() >= Program.UserConfig.NotificationIdlePauseSeconds){
+                    if (!timerIdlePauseCheck.Enabled){
+                        PauseNotification();
+                        timerIdlePauseCheck.Start();
+                    }
+
+                    return;
+                }
+            }
+            
+            LoadTweet(tweetQueue.Dequeue());
+        }
+
+        protected override void UpdateTitle(){
+            base.UpdateTitle();
+
+            if (tweetQueue.Count > 0){
+                Text = Text+" ("+tweetQueue.Count+" more left)";
+            }
+        }
+
+        protected override void OnNotificationReady(){
+            UpdateTitle();
+            base.OnNotificationReady();
+        }
+    }
+}

Core/Notification/Screenshot/FormNotificationScreenshotable.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Windows.Forms;
+using CefSharp;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Core.Other;
+using TweetDuck.Core.Utils;
+using TweetDuck.Data;
+using TweetDuck.Plugins;
+using TweetDuck.Resources;
+
+namespace TweetDuck.Core.Notification.Screenshot{
+    sealed class FormNotificationScreenshotable : FormNotificationBase{
+        private readonly PluginManager plugins;
+
+        public FormNotificationScreenshotable(Action callback, FormBrowser owner, PluginManager pluginManager) : base(owner, false){
+            this.plugins = pluginManager;
+
+            browser.RegisterAsyncJsObject("$TD_NotificationScreenshot", new CallbackBridge(this, callback));
+
+            browser.LoadingStateChanged += (sender, args) => {
+                if (!args.IsLoading){
+                    using(IFrame frame = args.Browser.MainFrame){
+                        ScriptLoader.ExecuteScript(frame, "window.setTimeout($TD_NotificationScreenshot.trigger, document.getElementsByTagName('iframe').length ? 267 : 67)", "gen:screenshot");
+                    }
+                }
+            };
+        }
+        
+        protected override string GetTweetHTML(TweetNotification tweet){
+            string html = tweet.GenerateHtml("td-screenshot", false);
+
+            foreach(InjectedHTML injection in plugins.Bridge.NotificationInjections){
+                html = injection.Inject(html);
+            }
+
+            return html;
+        }
+
+        public void LoadNotificationForScreenshot(TweetNotification tweet, int width, int height){
+            LoadTweet(tweet);
+            SetNotificationSize(width, height);
+        }
+
+        public void TakeScreenshot(){
+            IntPtr context = NativeMethods.GetDC(this.Handle);
+
+            if (context == IntPtr.Zero){
+                FormMessage.Error("Screenshot Failed", "Could not retrieve a graphics context handle for the notification window to take the screenshot.", FormMessage.OK);
+            }
+            else{
+                using(Bitmap bmp = new Bitmap(ClientSize.Width, ClientSize.Height, PixelFormat.Format32bppRgb)){
+                    try{
+                        NativeMethods.RenderSourceIntoBitmap(context, bmp);
+                    }finally{
+                        NativeMethods.ReleaseDC(this.Handle, context);
+                    }
+
+                    Clipboard.SetImage(bmp);
+                }
+            }
+        }
+    }
+}

Core/Notification/Screenshot/TweetScreenshotManager.cs

@@ -0,0 +1,86 @@
+// Uncomment to keep screenshot windows visible for debugging
+// #define NO_HIDE_SCREENSHOTS
+
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Plugins;
+
+namespace TweetDuck.Core.Notification.Screenshot{
+    sealed class TweetScreenshotManager : IDisposable{
+        private readonly FormBrowser owner;
+        private readonly PluginManager plugins;
+        private readonly Timer timeout;
+        private readonly Timer disposer;
+        
+        private FormNotificationScreenshotable screenshot;
+
+        public TweetScreenshotManager(FormBrowser owner, PluginManager pluginManager){
+            this.owner = owner;
+            this.plugins = pluginManager;
+
+            this.timeout = new Timer{ Interval = 8000 };
+            this.timeout.Tick += timeout_Tick;
+
+            this.disposer = new Timer{ Interval = 1 };
+            this.disposer.Tick += disposer_Tick;
+        }
+
+        private void timeout_Tick(object sender, EventArgs e){
+            timeout.Stop();
+            OnFinished();
+        }
+
+        private void disposer_Tick(object sender, EventArgs e){
+            disposer.Stop();
+            screenshot.Dispose();
+            screenshot = null;
+        }
+
+        public void Trigger(string html, int width, int height){
+            if (screenshot != null){
+                return;
+            }
+
+            screenshot = new FormNotificationScreenshotable(Callback, owner, plugins){
+                CanMoveWindow = () => false
+            };
+
+            screenshot.LoadNotificationForScreenshot(new TweetNotification(string.Empty, string.Empty, string.Empty, html, 0, string.Empty, string.Empty), width, height);
+            screenshot.Show();
+            timeout.Start();
+
+            #if !(DEBUG && NO_HIDE_SCREENSHOTS)
+            owner.IsWaiting = true;
+            #endif
+        }
+
+        private void Callback(){
+            if (!timeout.Enabled){
+                return;
+            }
+
+            timeout.Stop();
+            screenshot.TakeScreenshot();
+
+            #if !(DEBUG && NO_HIDE_SCREENSHOTS)
+            OnFinished();
+            #else
+            screenshot.MoveToVisibleLocation();
+            screenshot.FormClosed += (sender, args) => disposer.Start();
+            #endif
+        }
+
+        private void OnFinished(){
+            screenshot.Location = ControlExtensions.InvisibleLocation;
+            owner.IsWaiting = false;
+            disposer.Start();
+        }
+
+        public void Dispose(){
+            timeout.Dispose();
+            disposer.Dispose();
+            screenshot?.Dispose();
+        }
+    }
+}

Core/Notification/SoundNotification.cs

@@ -0,0 +1,32 @@
+using System;
+using TweetLib.Audio;
+
+namespace TweetDuck.Core.Notification{
+    sealed class SoundNotification : IDisposable{
+        public string SupportedFormats => player.SupportedFormats;
+        public event EventHandler<PlaybackErrorEventArgs> PlaybackError;
+
+        private readonly AudioPlayer player;
+
+        public SoundNotification(){
+            this.player = AudioPlayer.New();
+            this.player.PlaybackError += Player_PlaybackError;
+        }
+
+        public void Play(string file){
+            player.Play(file);
+        }
+
+        public bool SetVolume(int volume){
+            return player.SetVolume(volume);
+        }
+
+        private void Player_PlaybackError(object sender, PlaybackErrorEventArgs e){
+            PlaybackError?.Invoke(this, e);
+        }
+
+        public void Dispose(){
+            player.Dispose();
+        }
+    }
+}

Core/Notification/TweetNotification.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Text;
+using TweetDuck.Core.Bridge;
+using TweetDuck.Resources;
+
+namespace TweetDuck.Core.Notification{
+    sealed class TweetNotification{
+        private const string DefaultFontSizeClass = "medium";
+        private const string DefaultHeadContents = @"<meta charset='utf-8'><meta http-equiv='X-UA-Compatible' content='chrome=1'><link rel='stylesheet' href='https://ton.twimg.com/tweetdeck-web/web/css/font.5ef884f9f9.css'><link rel='stylesheet' href='https://ton.twimg.com/tweetdeck-web/web/css/app-dark.5631e0dd42.css'><style type='text/css'>body{background:#222426}</style>";
+
+        private static readonly string CustomCSS = ScriptLoader.LoadResource("styles/notification.css");
+
+        private static string ExampleTweetHTML;
+
+        public static TweetNotification ExampleTweet{
+            get{
+                if (ExampleTweetHTML == null){
+                    ExampleTweetHTML = ScriptLoader.LoadResource("pages/example.html", true);
+
+                    #if DEBUG
+                    ExampleTweetHTML = ExampleTweetHTML.Replace("</p>", @"</p><div style='margin-top:256px'>Scrollbar test padding...</div>");
+                    #endif
+                }
+
+                return new TweetNotification(string.Empty, string.Empty, "Home", ExampleTweetHTML, 95, string.Empty, string.Empty, true);
+            }
+        }
+
+        public enum Position{
+            TopLeft, TopRight, BottomLeft, BottomRight, Custom
+        }
+
+        public enum Size{
+            Auto, Custom
+        }
+
+        public string ColumnId { get; }
+        public string ChirpId { get; }
+
+        public string ColumnTitle { get; }
+        public string TweetUrl { get; }
+        public string QuoteUrl { get; }
+        
+        private readonly string html;
+        private readonly int characters;
+        private readonly bool isExample;
+
+        public TweetNotification(string columnId, string chirpId, string title, string html, int characters, string tweetUrl, string quoteUrl) : this(columnId, chirpId, title, html, characters, tweetUrl, quoteUrl, false){}
+
+        private TweetNotification(string columnId, string chirpId, string title, string html, int characters, string tweetUrl, string quoteUrl, bool isExample){
+            this.ColumnId = columnId;
+            this.ChirpId = chirpId;
+
+            this.ColumnTitle = title;
+            this.TweetUrl = tweetUrl;
+            this.QuoteUrl = quoteUrl;
+
+            this.html = html;
+            this.characters = characters;
+            this.isExample = isExample;
+        }
+
+        public int GetDisplayDuration(int value){
+            return 2000+Math.Max(1000, value*characters);
+        }
+
+        public string GenerateHtml(string bodyClasses = null, bool enableCustomCSS = true){
+            StringBuilder build = new StringBuilder();
+            build.Append("<!DOCTYPE html>");
+            build.Append("<html class='os-windows txt-base-").Append(TweetDeckBridge.FontSizeClass ?? DefaultFontSizeClass).Append("'>");
+            build.Append("<head>").Append(TweetDeckBridge.NotificationHeadContents ?? DefaultHeadContents);
+            
+            if (enableCustomCSS){
+                build.Append("<style type='text/css'>").Append(CustomCSS).Append("</style>");
+
+                if (!string.IsNullOrEmpty(Program.UserConfig.CustomNotificationCSS)){
+                    build.Append("<style type='text/css'>").Append(Program.UserConfig.CustomNotificationCSS).Append("</style>");
+                }
+            }
+            
+            build.Append("</head>");
+            build.Append("<body class='scroll-styled-v");
+
+            if (!string.IsNullOrEmpty(bodyClasses)){
+                build.Append(' ').Append(bodyClasses);
+            }
+
+            build.Append('\'').Append(isExample ? " td-example-notification" : "").Append("><div class='column' style='width:100%;height:auto;overflow:initial;'>");
+            build.Append(html);
+            build.Append("</div></body>");
+            build.Append("</html>");
+            return build.ToString();
+        }
+    }
+}

Core/Other/FormAbout.Designer.cs

@@ -1,6 +1,4 @@
-using TweetDck.Core.Controls;
+namespace TweetDuck.Core.Other {
-
-namespace TweetDck.Core.Other {
     sealed partial class FormAbout {
         /// <summary>
         /// Required designer variable.
@@ -25,44 +23,137 @@ namespace TweetDck.Core.Other {
         /// the contents of this method with the code editor.
         /// </summary>
         private void InitializeComponent() {
-            this.labelAbout = new TweetDck.Core.Controls.RichTextLabel();
+            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(FormAbout));
+            this.pictureLogo = new System.Windows.Forms.PictureBox();
+            this.labelDescription = new System.Windows.Forms.Label();
+            this.labelTips = new System.Windows.Forms.LinkLabel();
+            this.labelWebsite = new System.Windows.Forms.LinkLabel();
+            this.tablePanelLinks = new System.Windows.Forms.TableLayoutPanel();
+            this.labelIssues = new System.Windows.Forms.LinkLabel();
+            ((System.ComponentModel.ISupportInitialize)(this.pictureLogo)).BeginInit();
+            this.tablePanelLinks.SuspendLayout();
             this.SuspendLayout();
             // 
-            // labelAbout
+            // pictureLogo
             // 
-            this.labelAbout.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            this.pictureLogo.BackgroundImageLayout = System.Windows.Forms.ImageLayout.None;
+            this.pictureLogo.ErrorImage = null;
+            this.pictureLogo.Image = ((System.Drawing.Image)(resources.GetObject("pictureLogo.Image")));
+            this.pictureLogo.InitialImage = null;
+            this.pictureLogo.Location = new System.Drawing.Point(12, 12);
+            this.pictureLogo.Name = "pictureLogo";
+            this.pictureLogo.Size = new System.Drawing.Size(96, 96);
+            this.pictureLogo.TabIndex = 0;
+            this.pictureLogo.TabStop = false;
+            // 
+            // labelDescription
+            // 
+            this.labelDescription.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
             | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-            this.labelAbout.BackColor = System.Drawing.Color.White;
+            this.labelDescription.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
-            this.labelAbout.BorderStyle = System.Windows.Forms.BorderStyle.None;
+            this.labelDescription.Location = new System.Drawing.Point(114, 12);
-            this.labelAbout.Location = new System.Drawing.Point(12, 12);
+            this.labelDescription.Name = "labelDescription";
-            this.labelAbout.Name = "labelAbout";
+            this.labelDescription.Size = new System.Drawing.Size(232, 109);
-            this.labelAbout.ReadOnly = true;
+            this.labelDescription.TabIndex = 0;
-            this.labelAbout.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.None;
+            // 
-            this.labelAbout.Size = new System.Drawing.Size(360, 126);
+            // labelTips
-            this.labelAbout.TabIndex = 0;
+            // 
-            this.labelAbout.TabStop = false;
+            this.labelTips.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.labelAbout.Text = "";
+            this.labelTips.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
-            this.labelAbout.Click += new System.EventHandler(this.labelAbout_Click);
+            this.labelTips.LinkArea = new System.Windows.Forms.LinkArea(0, 0);
+            this.labelTips.Location = new System.Drawing.Point(117, 0);
+            this.labelTips.Margin = new System.Windows.Forms.Padding(0);
+            this.labelTips.Name = "labelTips";
+            this.labelTips.Size = new System.Drawing.Size(99, 16);
+            this.labelTips.TabIndex = 1;
+            this.labelTips.TabStop = true;
+            this.labelTips.Text = "Tips && Tricks";
+            this.labelTips.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
+            this.labelTips.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.OnLinkClicked);
+            // 
+            // labelWebsite
+            // 
+            this.labelWebsite.AutoSize = true;
+            this.labelWebsite.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.labelWebsite.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelWebsite.LinkArea = new System.Windows.Forms.LinkArea(0, 0);
+            this.labelWebsite.Location = new System.Drawing.Point(0, 0);
+            this.labelWebsite.Margin = new System.Windows.Forms.Padding(0);
+            this.labelWebsite.Name = "labelWebsite";
+            this.labelWebsite.Size = new System.Drawing.Size(117, 16);
+            this.labelWebsite.TabIndex = 0;
+            this.labelWebsite.TabStop = true;
+            this.labelWebsite.Text = "Official Website";
+            this.labelWebsite.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
+            this.labelWebsite.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.OnLinkClicked);
+            // 
+            // tablePanelLinks
+            // 
+            this.tablePanelLinks.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.tablePanelLinks.ColumnCount = 3;
+            this.tablePanelLinks.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 35.16F));
+            this.tablePanelLinks.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 29.7F));
+            this.tablePanelLinks.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 35.14F));
+            this.tablePanelLinks.Controls.Add(this.labelIssues, 2, 0);
+            this.tablePanelLinks.Controls.Add(this.labelWebsite, 0, 0);
+            this.tablePanelLinks.Controls.Add(this.labelTips, 1, 0);
+            this.tablePanelLinks.Location = new System.Drawing.Point(12, 124);
+            this.tablePanelLinks.Name = "tablePanelLinks";
+            this.tablePanelLinks.RowCount = 1;
+            this.tablePanelLinks.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.tablePanelLinks.Size = new System.Drawing.Size(334, 16);
+            this.tablePanelLinks.TabIndex = 1;
+            // 
+            // labelIssues
+            // 
+            this.labelIssues.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.labelIssues.Font = new System.Drawing.Font("Microsoft Sans Serif", 9.75F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelIssues.LinkArea = new System.Windows.Forms.LinkArea(0, 0);
+            this.labelIssues.Location = new System.Drawing.Point(216, 0);
+            this.labelIssues.Margin = new System.Windows.Forms.Padding(0);
+            this.labelIssues.Name = "labelIssues";
+            this.labelIssues.Size = new System.Drawing.Size(118, 16);
+            this.labelIssues.TabIndex = 2;
+            this.labelIssues.TabStop = true;
+            this.labelIssues.Text = "Report an Issue";
+            this.labelIssues.TextAlign = System.Drawing.ContentAlignment.MiddleRight;
+            this.labelIssues.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.OnLinkClicked);
             // 
             // FormAbout
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.BackColor = System.Drawing.Color.White;
-            this.ClientSize = new System.Drawing.Size(384, 150);
+            this.ClientSize = new System.Drawing.Size(358, 152);
-            this.Controls.Add(this.labelAbout);
+            this.Controls.Add(this.tablePanelLinks);
+            this.Controls.Add(this.labelDescription);
+            this.Controls.Add(this.pictureLogo);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
+            this.HelpButton = true;
             this.MaximizeBox = false;
             this.MinimizeBox = false;
             this.Name = "FormAbout";
+            this.ShowIcon = false;
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.HelpButtonClicked += new System.ComponentModel.CancelEventHandler(this.FormAbout_HelpButtonClicked);
+            this.HelpRequested += new System.Windows.Forms.HelpEventHandler(this.FormAbout_HelpRequested);
+            ((System.ComponentModel.ISupportInitialize)(this.pictureLogo)).EndInit();
+            this.tablePanelLinks.ResumeLayout(false);
+            this.tablePanelLinks.PerformLayout();
             this.ResumeLayout(false);
 
         }
 
         #endregion
 
-        private Controls.RichTextLabel labelAbout;
+        private System.Windows.Forms.PictureBox pictureLogo;
+        private System.Windows.Forms.Label labelDescription;
+        private System.Windows.Forms.LinkLabel labelTips;
+        private System.Windows.Forms.LinkLabel labelWebsite;
+        private System.Windows.Forms.TableLayoutPanel tablePanelLinks;
+        private System.Windows.Forms.LinkLabel labelIssues;
+
     }
 }

Core/Other/FormAbout.cs

@@ -1,43 +1,41 @@
-using System;
+using System.ComponentModel;
-using System.Text;
 using System.Windows.Forms;
-using TweetDck.Core.Controls;
+using TweetDuck.Core.Controls;
-using TweetDck.Core.Utils;
+using TweetDuck.Core.Utils;
 
-namespace TweetDck.Core.Other{
+namespace TweetDuck.Core.Other{
     sealed partial class FormAbout : Form{
-        private const string GitHubLink = "https://github.com/chylex/TweetDuck";
+        private const string TipsLink = "https://github.com/chylex/TweetDuck/wiki";
+        private const string IssuesLink = "https://github.com/chylex/TweetDuck/issues";
 
         public FormAbout(){
             InitializeComponent();
 
             Text = "About "+Program.BrandName+" "+Program.VersionTag;
 
-            StringBuilder build = new StringBuilder();
+            labelDescription.Text = "TweetDuck was created by chylex as a replacement to the discontinued official TweetDeck client for Windows.\n\nThe program is available for free under the open source MIT license.";
-            build.Append(@"\fs22").Append(Program.BrandName).Append(@" was created by chylex as a replacement to the discontinued TweetDeck client for Windows, and is released under the MIT license.\par ");
-            build.Append(@"Official Website: ").Append(RichTextLabel.AddLink(Program.Website)).Append(@"\line ");
-            build.Append(@"Source Code: ").Append(RichTextLabel.AddLink(GitHubLink));
             
-            labelAbout.Rtf = RichTextLabel.Wrap(build.ToString());
+            labelWebsite.Links.Add(new LinkLabel.Link(0, labelWebsite.Text.Length, Program.Website));
+            labelTips.Links.Add(new LinkLabel.Link(0, labelTips.Text.Length, TipsLink));
+            labelIssues.Links.Add(new LinkLabel.Link(0, labelIssues.Text.Length, IssuesLink));
         }
 
-        private void labelAbout_Click(object sender, EventArgs e){ // LinkClicked isn't working so fuck that
+        private void OnLinkClicked(object sender, LinkLabelLinkClickedEventArgs e){
-            if (Cursor.Current != Cursors.Hand)return;
+            BrowserUtils.OpenExternalBrowserUnsafe(e.Link.LinkData as string);
-
-            // I don't even give a fuck, someone else PR a proper fix please
-            int index = labelAbout.GetCharIndexFromPosition(((MouseEventArgs)e).Location);
-
-            if (IsClickingOn(index,Program.Website)){
-                BrowserUtils.OpenExternalBrowser(Program.Website);
-            }
-            else if (IsClickingOn(index,GitHubLink)){
-                BrowserUtils.OpenExternalBrowser(GitHubLink);
-            }
         }
 
-        private bool IsClickingOn(int index, string substringSearch){
+        private void FormAbout_HelpRequested(object sender, HelpEventArgs hlpevent){
-            int substringIndex = labelAbout.Text.IndexOf(substringSearch,StringComparison.Ordinal);
+            ShowGuide();
-            return index >= substringIndex && index <= substringIndex+substringSearch.Length;
+        }
+
+        private void FormAbout_HelpButtonClicked(object sender, CancelEventArgs e){
+            e.Cancel = true;
+            ShowGuide();
+        }
+
+        private void ShowGuide(){
+            new FormGuide().Show();
+            Close();
         }
     }
 }

Core/Other/FormAbout.resx

@@ -0,0 +1,246 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
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+        AElFTkSuQmCC
+</value>
+  </data>
+</root>

Core/Other/FormBackgroundWork.Designer.cs

@@ -1,78 +0,0 @@
-using TweetDck.Core.Controls;
-
-namespace TweetDck.Core.Other {
-    partial class FormBackgroundWork {
-        /// <summary>
-        /// Required designer variable.
-        /// </summary>
-        private System.ComponentModel.IContainer components = null;
-
-        /// <summary>
-        /// Clean up any resources being used.
-        /// </summary>
-        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
-        protected override void Dispose(bool disposing) {
-            if (disposing && (components != null)) {
-                components.Dispose();
-            }
-            base.Dispose(disposing);
-        }
-
-        #region Windows Form Designer generated code
-
-        /// <summary>
-        /// Required method for Designer support - do not modify
-        /// the contents of this method with the code editor.
-        /// </summary>
-        private void InitializeComponent() {
-            this.progressBarUseless = new System.Windows.Forms.ProgressBar();
-            this.labelDescription = new RichTextLabel();
-            this.SuspendLayout();
-            // 
-            // progressBarUseless
-            // 
-            this.progressBarUseless.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.progressBarUseless.Location = new System.Drawing.Point(12, 49);
-            this.progressBarUseless.MarqueeAnimationSpeed = 10;
-            this.progressBarUseless.Name = "progressBarUseless";
-            this.progressBarUseless.Size = new System.Drawing.Size(480, 23);
-            this.progressBarUseless.Style = System.Windows.Forms.ProgressBarStyle.Marquee;
-            this.progressBarUseless.TabIndex = 0;
-            // 
-            // labelDescription
-            // 
-            this.labelDescription.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.labelDescription.BorderStyle = System.Windows.Forms.BorderStyle.None;
-            this.labelDescription.Location = new System.Drawing.Point(12, 12);
-            this.labelDescription.Name = "labelDescription";
-            this.labelDescription.ReadOnly = true;
-            this.labelDescription.ScrollBars = System.Windows.Forms.RichTextBoxScrollBars.None;
-            this.labelDescription.Size = new System.Drawing.Size(480, 31);
-            this.labelDescription.TabIndex = 1;
-            this.labelDescription.TabStop = false;
-            this.labelDescription.Text = "";
-            // 
-            // FormBackgroundWork
-            // 
-            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
-            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(504, 84);
-            this.Controls.Add(this.labelDescription);
-            this.Controls.Add(this.progressBarUseless);
-            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
-            this.Name = "FormBackgroundWork";
-            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
-            this.Text = "TweetDeck Migration";
-            this.ResumeLayout(false);
-
-        }
-
-        #endregion
-
-        private System.Windows.Forms.ProgressBar progressBarUseless;
-        private RichTextLabel labelDescription;
-    }
-}

Core/Other/FormBackgroundWork.cs

@@ -1,18 +0,0 @@
-using System;
-using System.Windows.Forms;
-using TweetDck.Core.Controls;
-
-namespace TweetDck.Core.Other{
-    partial class FormBackgroundWork : Form{
-        public FormBackgroundWork(){
-            InitializeComponent();
-
-            labelDescription.Rtf = RichTextLabel.Wrap(@"Please, watch this informationless progress bar showcase while some magic happens in the background...");
-        }
-
-        public void ShowWorkDialog(Action onBegin){
-            Shown += (sender, args) => onBegin();
-            ShowDialog();
-        }
-    }
-}

Core/Other/FormGuide.Designer.cs

@@ -0,0 +1,44 @@
+namespace TweetDuck.Core.Other {
+    partial class FormGuide {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.SuspendLayout();
+            // 
+            // FormGuide
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(34)))), ((int)(((byte)(34)))), ((int)(((byte)(34)))));
+            this.ClientSize = new System.Drawing.Size(424, 282);
+            this.Icon = global::TweetDuck.Properties.Resources.icon;
+            this.MinimumSize = new System.Drawing.Size(440, 320);
+            this.Name = "FormGuide";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+            this.ResumeLayout(false);
+
+        }
+
+        #endregion
+    }
+}

Core/Other/FormGuide.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using CefSharp;
+using CefSharp.WinForms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Handling;
+using TweetDuck.Core.Handling.General;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other{
+    sealed partial class FormGuide : Form{
+        private const string GuideUrl = "https://tweetduck.chylex.com/guide/v1/";
+
+        private readonly ChromiumWebBrowser browser;
+
+        public FormGuide(){
+            InitializeComponent();
+
+            Text = Program.BrandName+" Guide";
+
+            FormBrowser owner = FormManager.TryFind<FormBrowser>();
+
+            if (owner != null){
+                Size = new Size(owner.Size.Width*3/4, owner.Size.Height*3/4);
+                VisibleChanged += (sender, args) => this.MoveToCenter(owner);
+            }
+            
+            this.browser = new ChromiumWebBrowser(GuideUrl){
+                MenuHandler = new ContextMenuGuide(),
+                JsDialogHandler = new JavaScriptDialogHandler(),
+                LifeSpanHandler = new LifeSpanHandler(),
+                RequestHandler = new RequestHandlerBrowser()
+            };
+
+            browser.LoadingStateChanged += browser_LoadingStateChanged;
+            browser.FrameLoadStart += browser_FrameLoadStart;
+            
+            browser.BrowserSettings.BackgroundColor = (uint)BackColor.ToArgb();
+            browser.Dock = DockStyle.None;
+            browser.Location = ControlExtensions.InvisibleLocation;
+            Controls.Add(browser);
+
+            Disposed += (sender, args) => {
+                Program.UserConfig.ZoomLevelChanged -= Config_ZoomLevelChanged;
+                browser.Dispose();
+            };
+
+            Program.UserConfig.ZoomLevelChanged += Config_ZoomLevelChanged;
+        }
+
+        private void browser_LoadingStateChanged(object sender, LoadingStateChangedEventArgs e){
+            if (!e.IsLoading){
+                this.InvokeAsyncSafe(() => {
+                    browser.Location = Point.Empty;
+                    browser.Dock = DockStyle.Fill;
+                });
+
+                browser.LoadingStateChanged -= browser_LoadingStateChanged;
+            }
+        }
+
+        private void browser_FrameLoadStart(object sender, FrameLoadStartEventArgs e){
+            BrowserUtils.SetZoomLevel(browser.GetBrowser(), Program.UserConfig.ZoomLevel);
+        }
+
+        private void Config_ZoomLevelChanged(object sender, EventArgs e){
+            BrowserUtils.SetZoomLevel(browser.GetBrowser(), Program.UserConfig.ZoomLevel);
+        }
+    }
+}

Core/Other/FormMessage.Designer.cs

@@ -0,0 +1,80 @@
+namespace TweetDuck.Core.Other {
+    partial class FormMessage {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.panelActions = new System.Windows.Forms.Panel();
+            this.labelMessage = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // panelActions
+            // 
+            this.panelActions.BackColor = System.Drawing.SystemColors.Control;
+            this.panelActions.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.panelActions.Location = new System.Drawing.Point(0, 84);
+            this.panelActions.Name = "panelActions";
+            this.panelActions.Size = new System.Drawing.Size(98, 49);
+            this.panelActions.TabIndex = 0;
+            // 
+            // labelMessage
+            // 
+            this.labelMessage.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.labelMessage.AutoSize = true;
+            this.labelMessage.Font = System.Drawing.SystemFonts.MessageBoxFont;
+            this.labelMessage.Location = new System.Drawing.Point(62, 34);
+            this.labelMessage.Margin = new System.Windows.Forms.Padding(53, 24, 27, 24);
+            this.labelMessage.MaximumSize = new System.Drawing.Size(600, 0);
+            this.labelMessage.MinimumSize = new System.Drawing.Size(0, 24);
+            this.labelMessage.Name = "labelMessage";
+            this.labelMessage.Size = new System.Drawing.Size(0, 24);
+            this.labelMessage.TabIndex = 1;
+            this.labelMessage.SizeChanged += new System.EventHandler(this.labelMessage_SizeChanged);
+            // 
+            // FormMessage
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.BackColor = System.Drawing.Color.White;
+            this.ClientSize = new System.Drawing.Size(98, 133);
+            this.Controls.Add(this.labelMessage);
+            this.Controls.Add(this.panelActions);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "FormMessage";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
+            this.SizeChanged += new System.EventHandler(this.FormMessage_SizeChanged);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Panel panelActions;
+        private System.Windows.Forms.Label labelMessage;
+    }
+}

Core/Other/FormMessage.cs

@@ -0,0 +1,222 @@
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other{
+    [Flags]
+    enum ControlType{
+        None = 0,
+        Accept = 1, // triggered by pressing enter when a non-button is focused
+        Cancel = 2, // triggered by closing the dialog without pressing a button
+        Focused = 4 // active control after the dialog is showed
+    }
+
+    sealed partial class FormMessage : Form{
+        public const string OK = "OK";
+        public const string Yes = "Yes";
+        public const string No = "No";
+        public const string Cancel = "Cancel";
+        public const string Retry = "Retry";
+        public const string Ignore = "Ignore";
+        public const string Exit = "Exit";
+
+        public static bool Information(string caption, string text, string buttonAccept, string buttonCancel = null){
+            return Show(caption, text, MessageBoxIcon.Information, buttonAccept, buttonCancel);
+        }
+
+        public static bool Warning(string caption, string text, string buttonAccept, string buttonCancel = null){
+            return Show(caption, text, MessageBoxIcon.Warning, buttonAccept, buttonCancel);
+        }
+
+        public static bool Error(string caption, string text, string buttonAccept, string buttonCancel = null){
+            return Show(caption, text, MessageBoxIcon.Error, buttonAccept, buttonCancel);
+        }
+
+        public static bool Question(string caption, string text, string buttonAccept, string buttonCancel = null){
+            return Show(caption, text, MessageBoxIcon.Question, buttonAccept, buttonCancel);
+        }
+
+        public static bool Show(string caption, string text, MessageBoxIcon icon, string button){
+            return Show(caption, text, icon, button, null);
+        }
+
+        public static bool Show(string caption, string text, MessageBoxIcon icon, string buttonAccept, string buttonCancel){
+            using(FormMessage message = new FormMessage(caption, text, icon)){
+                if (buttonCancel == null){
+                    message.AddButton(buttonAccept, DialogResult.OK, ControlType.Cancel | ControlType.Focused);
+                }
+                else{
+                    message.AddButton(buttonCancel, DialogResult.Cancel, ControlType.Cancel);
+                    message.AddButton(buttonAccept, DialogResult.OK, ControlType.Accept | ControlType.Focused);
+                }
+
+                return message.ShowDialog() == DialogResult.OK;
+            }
+        }
+
+        // Instance
+
+        public Button ClickedButton { get; private set; }
+
+        public bool HasIcon => icon != null;
+        public int ActionPanelY => panelActions.Location.Y;
+
+        private int ClientWidth{
+            get => ClientSize.Width;
+            set => ClientSize = new Size(value, ClientSize.Height);
+        }
+
+        private int ButtonDistance{
+            get => BrowserUtils.Scale(96, dpiScale);
+        }
+
+        private readonly Icon icon;
+        private readonly bool isReady;
+        private readonly float dpiScale;
+
+        private int realFormWidth, minFormWidth;
+        private int buttonCount;
+        private int prevLabelWidth, prevLabelHeight;
+        private bool wasLabelMultiline;
+
+        public FormMessage(string caption, string text, MessageBoxIcon messageIcon){
+            InitializeComponent();
+
+            this.dpiScale = this.GetDPIScale();
+
+            this.prevLabelWidth = labelMessage.Width;
+            this.prevLabelHeight = labelMessage.Height;
+            this.minFormWidth = BrowserUtils.Scale(42, dpiScale);
+
+            switch(messageIcon){
+                case MessageBoxIcon.Information:
+                    icon = SystemIcons.Information;
+                    break;
+
+                case MessageBoxIcon.Warning:
+                    icon = SystemIcons.Warning;
+                    break;
+                    
+                case MessageBoxIcon.Error:
+                    icon = SystemIcons.Error;
+                    break;
+
+                case MessageBoxIcon.Question:
+                    icon = SystemIcons.Question;
+                    break;
+
+                default:
+                    icon = null;
+                    labelMessage.Location = new Point(BrowserUtils.Scale(19, dpiScale), labelMessage.Location.Y); // 19 instead of 9 due to larger height
+                    break;
+            }
+
+            this.isReady = true;
+
+            this.Text = caption;
+            this.labelMessage.Text = text.Replace("\r", "").Replace("\n", Environment.NewLine);
+        }
+
+        private void FormMessage_SizeChanged(object sender, EventArgs e){
+            RecalculateButtonLocation();
+        }
+
+        public Button AddButton(string title, ControlType type){
+            return AddButton(title, DialogResult.OK, type);
+        }
+
+        public Button AddButton(string title, DialogResult result = DialogResult.OK, ControlType type = ControlType.None){
+            Button button = new Button{
+                Anchor = AnchorStyles.Bottom,
+                Font = SystemFonts.MessageBoxFont,
+                Location = new Point(0, 12),
+                Size = new Size(BrowserUtils.Scale(88, dpiScale), BrowserUtils.Scale(26, dpiScale)),
+                TabIndex = buttonCount,
+                Text = title,
+                UseVisualStyleBackColor = true
+            };
+
+            button.Click += (sender, args) => {
+                ClickedButton = (Button)sender;
+                DialogResult = result;
+                Close();
+            };
+
+            panelActions.Controls.Add(button);
+            ++buttonCount;
+
+            minFormWidth += ButtonDistance;
+            ClientWidth = Math.Max(realFormWidth, minFormWidth);
+            RecalculateButtonLocation();
+
+            if (type.HasFlag(ControlType.Accept)){
+                AcceptButton = button;
+            }
+
+            if (type.HasFlag(ControlType.Cancel)){
+                CancelButton = button;
+            }
+
+            if (type.HasFlag(ControlType.Focused)){
+                ActiveControl = button;
+            }
+
+            return button;
+        }
+
+        public void AddActionControl(Control control){
+            panelActions.Controls.Add(control);
+            
+            control.Size = new Size(BrowserUtils.Scale(control.Width, dpiScale), BrowserUtils.Scale(control.Height, dpiScale));
+
+            minFormWidth += control.Width+control.Margin.Horizontal;
+            ClientWidth = Math.Max(realFormWidth, minFormWidth);
+        }
+        
+        private void RecalculateButtonLocation(){
+            int dist = ButtonDistance;
+            int start = ClientWidth-dist;
+
+            for(int index = 0; index < buttonCount; index++){
+                Control control = panelActions.Controls[index];
+                control.Location = new Point(start-index*dist, control.Location.Y);
+            }
+        }
+
+        private void labelMessage_SizeChanged(object sender, EventArgs e){
+            if (!isReady){
+                return;
+            }
+
+            bool isMultiline = labelMessage.Height > labelMessage.MinimumSize.Height;
+            int labelOffset = BrowserUtils.Scale(8, dpiScale);
+
+            if (isMultiline && !wasLabelMultiline){
+                labelMessage.Location = new Point(labelMessage.Location.X, labelMessage.Location.Y-labelOffset);
+                prevLabelHeight += labelOffset;
+            }
+            else if (!isMultiline && wasLabelMultiline){
+                labelMessage.Location = new Point(labelMessage.Location.X, labelMessage.Location.Y+labelOffset);
+                prevLabelHeight -= labelOffset;
+            }
+
+            realFormWidth = ClientWidth-(icon == null ? BrowserUtils.Scale(50, dpiScale) : 0)+labelMessage.Width-prevLabelWidth;
+            ClientWidth = Math.Max(realFormWidth, minFormWidth);
+            Height += labelMessage.Height-prevLabelHeight;
+
+            prevLabelWidth = labelMessage.Width;
+            prevLabelHeight = labelMessage.Height;
+            wasLabelMultiline = isMultiline;
+        }
+
+        protected override void OnPaint(PaintEventArgs e){
+            if (icon != null){
+                e.Graphics.DrawIcon(icon, BrowserUtils.Scale(25, dpiScale), 1+BrowserUtils.Scale(25, dpiScale));
+            }
+
+            base.OnPaint(e);
+        }
+    }
+}

Core/Other/FormPlugins.Designer.cs

@@ -0,0 +1,110 @@
+namespace TweetDuck.Core.Other {
+    partial class FormPlugins {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.btnClose = new System.Windows.Forms.Button();
+            this.btnReload = new System.Windows.Forms.Button();
+            this.btnOpenFolder = new System.Windows.Forms.Button();
+            this.flowLayoutPlugins = new TweetDuck.Plugins.Controls.PluginListFlowLayout();
+            this.SuspendLayout();
+            // 
+            // btnClose
+            // 
+            this.btnClose.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnClose.AutoSize = true;
+            this.btnClose.Location = new System.Drawing.Point(643, 439);
+            this.btnClose.Name = "btnClose";
+            this.btnClose.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnClose.Size = new System.Drawing.Size(49, 23);
+            this.btnClose.TabIndex = 1;
+            this.btnClose.Text = "Close";
+            this.btnClose.UseVisualStyleBackColor = true;
+            this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
+            // 
+            // btnReload
+            // 
+            this.btnReload.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.btnReload.AutoSize = true;
+            this.btnReload.Location = new System.Drawing.Point(131, 439);
+            this.btnReload.Name = "btnReload";
+            this.btnReload.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnReload.Size = new System.Drawing.Size(71, 23);
+            this.btnReload.TabIndex = 2;
+            this.btnReload.Text = "Reload All";
+            this.btnReload.UseVisualStyleBackColor = true;
+            this.btnReload.Click += new System.EventHandler(this.btnReload_Click);
+            // 
+            // btnOpenFolder
+            // 
+            this.btnOpenFolder.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.btnOpenFolder.AutoSize = true;
+            this.btnOpenFolder.Location = new System.Drawing.Point(12, 439);
+            this.btnOpenFolder.Name = "btnOpenFolder";
+            this.btnOpenFolder.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnOpenFolder.Size = new System.Drawing.Size(113, 23);
+            this.btnOpenFolder.TabIndex = 3;
+            this.btnOpenFolder.Text = "Open Plugin Folder";
+            this.btnOpenFolder.UseVisualStyleBackColor = true;
+            this.btnOpenFolder.Click += new System.EventHandler(this.btnOpenFolder_Click);
+            // 
+            // flowLayoutPlugins
+            // 
+            this.flowLayoutPlugins.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.flowLayoutPlugins.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            this.flowLayoutPlugins.FlowDirection = System.Windows.Forms.FlowDirection.TopDown;
+            this.flowLayoutPlugins.Location = new System.Drawing.Point(12, 12);
+            this.flowLayoutPlugins.Name = "flowLayoutPlugins";
+            this.flowLayoutPlugins.Size = new System.Drawing.Size(680, 421);
+            this.flowLayoutPlugins.TabIndex = 0;
+            this.flowLayoutPlugins.WrapContents = false;
+            this.flowLayoutPlugins.Resize += new System.EventHandler(this.flowLayoutPlugins_Resize);
+            // 
+            // FormPlugins
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(704, 474);
+            this.Controls.Add(this.flowLayoutPlugins);
+            this.Controls.Add(this.btnOpenFolder);
+            this.Controls.Add(this.btnReload);
+            this.Controls.Add(this.btnClose);
+            this.Icon = global::TweetDuck.Properties.Resources.icon;
+            this.MinimumSize = new System.Drawing.Size(480, 320);
+            this.Name = "FormPlugins";
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button btnClose;
+        private System.Windows.Forms.Button btnReload;
+        private System.Windows.Forms.Button btnOpenFolder;
+        private Plugins.Controls.PluginListFlowLayout flowLayoutPlugins;
+    }
+}

Core/Other/FormPlugins.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Diagnostics;
+using System.Drawing;
+using System.Linq;
+using System.Windows.Forms;
+using TweetDuck.Plugins;
+using TweetDuck.Plugins.Controls;
+
+namespace TweetDuck.Core.Other{
+    sealed partial class FormPlugins : Form{
+        private readonly PluginManager pluginManager;
+        
+        public FormPlugins(){
+            InitializeComponent();
+
+            Text = Program.BrandName+" Plugins";
+        }
+
+        public FormPlugins(PluginManager pluginManager) : this(){
+            this.pluginManager = pluginManager;
+
+            Shown += (sender, args) => {
+                Program.UserConfig.PluginsWindow.Restore(this, false);
+                ReloadPluginList();
+            };
+
+            FormClosed += (sender, args) => {
+                Program.UserConfig.PluginsWindow.Save(this);
+                Program.UserConfig.Save();
+            };
+        }
+
+        private int GetPluginOrderIndex(Plugin plugin){
+            return !plugin.CanRun ? 0 : pluginManager.Config.IsEnabled(plugin) ? 1 : 2;
+        }
+
+        private void ReloadPluginList(){
+            flowLayoutPlugins.SuspendLayout();
+            flowLayoutPlugins.Controls.Clear();
+
+            foreach(Plugin plugin in pluginManager.Plugins.OrderBy(GetPluginOrderIndex).ThenBy(plugin => plugin.Name)){
+                flowLayoutPlugins.Controls.Add(new PluginControl(pluginManager, plugin));
+
+                flowLayoutPlugins.Controls.Add(new Panel{
+                    BackColor = Color.DimGray,
+                    Margin = new Padding(0),
+                    Size = new Size(1, 1)
+                });
+            }
+
+            flowLayoutPlugins.ResumeLayout(true);
+            
+            // sorry, I guess...
+            Padding = new Padding(Padding.Left, Padding.Top, Padding.Right+1, Padding.Bottom);
+            Padding = new Padding(Padding.Left, Padding.Top, Padding.Right-1, Padding.Bottom);
+        }
+
+        private void flowLayoutPlugins_Resize(object sender, EventArgs e){
+            if (flowLayoutPlugins.Controls.Count == 0){
+                return;
+            }
+
+            Control lastControl = flowLayoutPlugins.Controls[flowLayoutPlugins.Controls.Count-1];
+            bool showScrollBar = lastControl.Location.Y+lastControl.Height >= flowLayoutPlugins.Height;
+            int horizontalOffset = showScrollBar ? SystemInformation.VerticalScrollBarWidth : 0;
+            
+            flowLayoutPlugins.AutoScroll = showScrollBar;
+            flowLayoutPlugins.VerticalScroll.Visible = showScrollBar;
+
+            foreach(Control control in flowLayoutPlugins.Controls){
+                control.Width = flowLayoutPlugins.Width-control.Margin.Horizontal-horizontalOffset;
+            }
+            
+            lastControl.Visible = !showScrollBar;
+            flowLayoutPlugins.Focus();
+        }
+
+        private void btnOpenFolder_Click(object sender, EventArgs e){
+            using(Process.Start("explorer.exe", "\""+pluginManager.PathCustomPlugins+"\"")){}
+        }
+
+        private void btnReload_Click(object sender, EventArgs e){
+            if (FormMessage.Warning("Reloading Plugins", "This will also reload the browser window. Do you want to proceed?", FormMessage.Yes, FormMessage.No)){
+                pluginManager.Reload();
+                ReloadPluginList();
+            }
+        }
+
+        private void btnClose_Click(object sender, EventArgs e){
+            Close();
+        }
+    }
+}

Core/Other/FormSettings.Designer.cs

@@ -1,4 +1,4 @@
-namespace TweetDck.Core.Other {
+namespace TweetDuck.Core.Other {
     sealed partial class FormSettings {
         /// <summary>
         /// Required designer variable.
@@ -23,360 +23,87 @@
         /// the contents of this method with the code editor.
         /// </summary>
         private void InitializeComponent() {
-            this.groupNotificationLocation = new System.Windows.Forms.GroupBox();
+            this.btnClose = new System.Windows.Forms.Button();
-            this.labelDisplay = new System.Windows.Forms.Label();
+            this.panelContents = new System.Windows.Forms.Panel();
-            this.comboBoxDisplay = new System.Windows.Forms.ComboBox();
+            this.panelButtons = new System.Windows.Forms.Panel();
-            this.labelEdgeDistance = new System.Windows.Forms.Label();
+            this.btnManageOptions = new System.Windows.Forms.Button();
-            this.trackBarEdgeDistance = new System.Windows.Forms.TrackBar();
-            this.radioLocCustom = new System.Windows.Forms.RadioButton();
-            this.radioLocBR = new System.Windows.Forms.RadioButton();
-            this.radioLocBL = new System.Windows.Forms.RadioButton();
-            this.radioLocTR = new System.Windows.Forms.RadioButton();
-            this.radioLocTL = new System.Windows.Forms.RadioButton();
-            this.tableLayout = new System.Windows.Forms.TableLayoutPanel();
-            this.tableColumn2Panel = new System.Windows.Forms.Panel();
-            this.groupUserInterface = new System.Windows.Forms.GroupBox();
-            this.checkNotificationTimer = new System.Windows.Forms.CheckBox();
-            this.checkMinimizeTray = new System.Windows.Forms.CheckBox();
-            this.groupNotificationDuration = new System.Windows.Forms.GroupBox();
-            this.radioDurVeryLong = new System.Windows.Forms.RadioButton();
-            this.radioDurLong = new System.Windows.Forms.RadioButton();
-            this.radioDurMedium = new System.Windows.Forms.RadioButton();
-            this.radioDurShort = new System.Windows.Forms.RadioButton();
-            this.checkUpdateNotifications = new System.Windows.Forms.CheckBox();
-            this.groupNotificationLocation.SuspendLayout();
-            ((System.ComponentModel.ISupportInitialize)(this.trackBarEdgeDistance)).BeginInit();
-            this.tableLayout.SuspendLayout();
-            this.tableColumn2Panel.SuspendLayout();
-            this.groupUserInterface.SuspendLayout();
-            this.groupNotificationDuration.SuspendLayout();
             this.SuspendLayout();
             // 
-            // groupNotificationLocation
+            // btnClose
             // 
-            this.groupNotificationLocation.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            this.btnClose.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnClose.AutoSize = true;
+            this.btnClose.Location = new System.Drawing.Point(449, 447);
+            this.btnClose.Name = "btnClose";
+            this.btnClose.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnClose.Size = new System.Drawing.Size(49, 23);
+            this.btnClose.TabIndex = 3;
+            this.btnClose.Text = "Close";
+            this.btnClose.UseVisualStyleBackColor = true;
+            this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
+            // 
+            // panelContents
+            // 
+            this.panelContents.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
             | System.Windows.Forms.AnchorStyles.Left) 
             | System.Windows.Forms.AnchorStyles.Right)));
-            this.groupNotificationLocation.Controls.Add(this.labelDisplay);
+            this.panelContents.AutoScroll = true;
-            this.groupNotificationLocation.Controls.Add(this.comboBoxDisplay);
+            this.panelContents.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
-            this.groupNotificationLocation.Controls.Add(this.labelEdgeDistance);
+            this.panelContents.Location = new System.Drawing.Point(135, 12);
-            this.groupNotificationLocation.Controls.Add(this.trackBarEdgeDistance);
+            this.panelContents.Margin = new System.Windows.Forms.Padding(0, 3, 3, 3);
-            this.groupNotificationLocation.Controls.Add(this.radioLocCustom);
+            this.panelContents.Name = "panelContents";
-            this.groupNotificationLocation.Controls.Add(this.radioLocBR);
+            this.panelContents.Size = new System.Drawing.Size(363, 429);
-            this.groupNotificationLocation.Controls.Add(this.radioLocBL);
+            this.panelContents.TabIndex = 1;
-            this.groupNotificationLocation.Controls.Add(this.radioLocTR);
-            this.groupNotificationLocation.Controls.Add(this.radioLocTL);
-            this.groupNotificationLocation.Location = new System.Drawing.Point(6, 6);
-            this.groupNotificationLocation.Name = "groupNotificationLocation";
-            this.groupNotificationLocation.Size = new System.Drawing.Size(183, 270);
-            this.groupNotificationLocation.TabIndex = 0;
-            this.groupNotificationLocation.TabStop = false;
-            this.groupNotificationLocation.Text = "Notification Location";
             // 
-            // labelDisplay
+            // panelButtons
             // 
-            this.labelDisplay.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.panelButtons.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            this.labelDisplay.AutoSize = true;
+            | System.Windows.Forms.AnchorStyles.Left)));
-            this.labelDisplay.Location = new System.Drawing.Point(6, 154);
+            this.panelButtons.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
-            this.labelDisplay.Name = "labelDisplay";
+            this.panelButtons.Location = new System.Drawing.Point(12, 12);
-            this.labelDisplay.Size = new System.Drawing.Size(41, 13);
+            this.panelButtons.Margin = new System.Windows.Forms.Padding(3, 3, 0, 3);
-            this.labelDisplay.TabIndex = 8;
+            this.panelButtons.Name = "panelButtons";
-            this.labelDisplay.Text = "Display";
+            this.panelButtons.Size = new System.Drawing.Size(124, 429);
+            this.panelButtons.TabIndex = 0;
             // 
-            // comboBoxDisplay
+            // btnManageOptions
             // 
-            this.comboBoxDisplay.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
+            this.btnManageOptions.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnManageOptions.AutoSize = true;
-            this.comboBoxDisplay.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.btnManageOptions.Location = new System.Drawing.Point(12, 447);
-            this.comboBoxDisplay.FormattingEnabled = true;
+            this.btnManageOptions.Name = "btnManageOptions";
-            this.comboBoxDisplay.Location = new System.Drawing.Point(9, 170);
+            this.btnManageOptions.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
-            this.comboBoxDisplay.Margin = new System.Windows.Forms.Padding(3, 3, 3, 12);
+            this.btnManageOptions.Size = new System.Drawing.Size(101, 23);
-            this.comboBoxDisplay.Name = "comboBoxDisplay";
+            this.btnManageOptions.TabIndex = 4;
-            this.comboBoxDisplay.Size = new System.Drawing.Size(168, 21);
+            this.btnManageOptions.Text = "Manage Options";
-            this.comboBoxDisplay.TabIndex = 7;
+            this.btnManageOptions.UseVisualStyleBackColor = true;
-            this.comboBoxDisplay.SelectedValueChanged += new System.EventHandler(this.comboBoxDisplay_SelectedValueChanged);
+            this.btnManageOptions.Click += new System.EventHandler(this.btnManageOptions_Click);
-            // 
-            // labelEdgeDistance
-            // 
-            this.labelEdgeDistance.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
-            this.labelEdgeDistance.AutoSize = true;
-            this.labelEdgeDistance.Location = new System.Drawing.Point(6, 203);
-            this.labelEdgeDistance.Name = "labelEdgeDistance";
-            this.labelEdgeDistance.Size = new System.Drawing.Size(103, 13);
-            this.labelEdgeDistance.TabIndex = 6;
-            this.labelEdgeDistance.Text = "Distance From Edge";
-            // 
-            // trackBarEdgeDistance
-            // 
-            this.trackBarEdgeDistance.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.trackBarEdgeDistance.LargeChange = 8;
-            this.trackBarEdgeDistance.Location = new System.Drawing.Point(6, 219);
-            this.trackBarEdgeDistance.Maximum = 40;
-            this.trackBarEdgeDistance.Minimum = 8;
-            this.trackBarEdgeDistance.Name = "trackBarEdgeDistance";
-            this.trackBarEdgeDistance.Size = new System.Drawing.Size(171, 45);
-            this.trackBarEdgeDistance.SmallChange = 2;
-            this.trackBarEdgeDistance.TabIndex = 5;
-            this.trackBarEdgeDistance.TickFrequency = 2;
-            this.trackBarEdgeDistance.Value = 8;
-            this.trackBarEdgeDistance.ValueChanged += new System.EventHandler(this.trackBarEdgeDistance_ValueChanged);
-            // 
-            // radioLocCustom
-            // 
-            this.radioLocCustom.AutoSize = true;
-            this.radioLocCustom.Location = new System.Drawing.Point(7, 116);
-            this.radioLocCustom.Name = "radioLocCustom";
-            this.radioLocCustom.Size = new System.Drawing.Size(60, 17);
-            this.radioLocCustom.TabIndex = 4;
-            this.radioLocCustom.TabStop = true;
-            this.radioLocCustom.Text = "Custom";
-            this.radioLocCustom.UseVisualStyleBackColor = true;
-            this.radioLocCustom.CheckedChanged += new System.EventHandler(this.radioLoc_CheckedChanged);
-            this.radioLocCustom.Click += new System.EventHandler(this.radioLoc_Click);
-            // 
-            // radioLocBR
-            // 
-            this.radioLocBR.AutoSize = true;
-            this.radioLocBR.Location = new System.Drawing.Point(7, 92);
-            this.radioLocBR.Name = "radioLocBR";
-            this.radioLocBR.Size = new System.Drawing.Size(86, 17);
-            this.radioLocBR.TabIndex = 3;
-            this.radioLocBR.TabStop = true;
-            this.radioLocBR.Text = "Bottom Right";
-            this.radioLocBR.UseVisualStyleBackColor = true;
-            this.radioLocBR.CheckedChanged += new System.EventHandler(this.radioLoc_CheckedChanged);
-            this.radioLocBR.Click += new System.EventHandler(this.radioLoc_Click);
-            // 
-            // radioLocBL
-            // 
-            this.radioLocBL.AutoSize = true;
-            this.radioLocBL.Location = new System.Drawing.Point(7, 68);
-            this.radioLocBL.Name = "radioLocBL";
-            this.radioLocBL.Size = new System.Drawing.Size(79, 17);
-            this.radioLocBL.TabIndex = 2;
-            this.radioLocBL.TabStop = true;
-            this.radioLocBL.Text = "Bottom Left";
-            this.radioLocBL.UseVisualStyleBackColor = true;
-            this.radioLocBL.CheckedChanged += new System.EventHandler(this.radioLoc_CheckedChanged);
-            this.radioLocBL.Click += new System.EventHandler(this.radioLoc_Click);
-            // 
-            // radioLocTR
-            // 
-            this.radioLocTR.AutoSize = true;
-            this.radioLocTR.Location = new System.Drawing.Point(7, 44);
-            this.radioLocTR.Name = "radioLocTR";
-            this.radioLocTR.Size = new System.Drawing.Size(72, 17);
-            this.radioLocTR.TabIndex = 1;
-            this.radioLocTR.TabStop = true;
-            this.radioLocTR.Text = "Top Right";
-            this.radioLocTR.UseVisualStyleBackColor = true;
-            this.radioLocTR.CheckedChanged += new System.EventHandler(this.radioLoc_CheckedChanged);
-            this.radioLocTR.Click += new System.EventHandler(this.radioLoc_Click);
-            // 
-            // radioLocTL
-            // 
-            this.radioLocTL.AutoSize = true;
-            this.radioLocTL.Location = new System.Drawing.Point(7, 20);
-            this.radioLocTL.Name = "radioLocTL";
-            this.radioLocTL.Size = new System.Drawing.Size(65, 17);
-            this.radioLocTL.TabIndex = 0;
-            this.radioLocTL.TabStop = true;
-            this.radioLocTL.Text = "Top Left";
-            this.radioLocTL.UseVisualStyleBackColor = true;
-            this.radioLocTL.CheckedChanged += new System.EventHandler(this.radioLoc_CheckedChanged);
-            this.radioLocTL.Click += new System.EventHandler(this.radioLoc_Click);
-            // 
-            // tableLayout
-            // 
-            this.tableLayout.ColumnCount = 2;
-            this.tableLayout.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
-            this.tableLayout.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
-            this.tableLayout.Controls.Add(this.tableColumn2Panel, 1, 0);
-            this.tableLayout.Controls.Add(this.groupNotificationLocation, 0, 0);
-            this.tableLayout.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.tableLayout.GrowStyle = System.Windows.Forms.TableLayoutPanelGrowStyle.FixedSize;
-            this.tableLayout.Location = new System.Drawing.Point(0, 0);
-            this.tableLayout.Name = "tableLayout";
-            this.tableLayout.Padding = new System.Windows.Forms.Padding(3);
-            this.tableLayout.RowCount = 1;
-            this.tableLayout.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
-            this.tableLayout.Size = new System.Drawing.Size(384, 282);
-            this.tableLayout.TabIndex = 2;
-            // 
-            // tableColumn2Panel
-            // 
-            this.tableColumn2Panel.Controls.Add(this.groupUserInterface);
-            this.tableColumn2Panel.Controls.Add(this.groupNotificationDuration);
-            this.tableColumn2Panel.Dock = System.Windows.Forms.DockStyle.Fill;
-            this.tableColumn2Panel.Location = new System.Drawing.Point(192, 3);
-            this.tableColumn2Panel.Margin = new System.Windows.Forms.Padding(0);
-            this.tableColumn2Panel.Name = "tableColumn2Panel";
-            this.tableColumn2Panel.Size = new System.Drawing.Size(189, 276);
-            this.tableColumn2Panel.TabIndex = 3;
-            // 
-            // groupUserInterface
-            // 
-            this.groupUserInterface.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.groupUserInterface.Controls.Add(this.checkUpdateNotifications);
-            this.groupUserInterface.Controls.Add(this.checkNotificationTimer);
-            this.groupUserInterface.Controls.Add(this.checkMinimizeTray);
-            this.groupUserInterface.Location = new System.Drawing.Point(3, 128);
-            this.groupUserInterface.Name = "groupUserInterface";
-            this.groupUserInterface.Size = new System.Drawing.Size(183, 145);
-            this.groupUserInterface.TabIndex = 3;
-            this.groupUserInterface.TabStop = false;
-            this.groupUserInterface.Text = "User Interface";
-            // 
-            // checkNotificationTimer
-            // 
-            this.checkNotificationTimer.AutoSize = true;
-            this.checkNotificationTimer.Location = new System.Drawing.Point(6, 43);
-            this.checkNotificationTimer.Name = "checkNotificationTimer";
-            this.checkNotificationTimer.Size = new System.Drawing.Size(145, 17);
-            this.checkNotificationTimer.TabIndex = 4;
-            this.checkNotificationTimer.Text = "Display Notification Timer";
-            this.checkNotificationTimer.UseVisualStyleBackColor = true;
-            this.checkNotificationTimer.CheckedChanged += new System.EventHandler(this.checkNotificationTimer_CheckedChanged);
-            // 
-            // checkMinimizeTray
-            // 
-            this.checkMinimizeTray.AutoSize = true;
-            this.checkMinimizeTray.Location = new System.Drawing.Point(6, 20);
-            this.checkMinimizeTray.Name = "checkMinimizeTray";
-            this.checkMinimizeTray.Size = new System.Drawing.Size(102, 17);
-            this.checkMinimizeTray.TabIndex = 0;
-            this.checkMinimizeTray.Text = "Minimize to Tray";
-            this.checkMinimizeTray.UseVisualStyleBackColor = true;
-            this.checkMinimizeTray.CheckedChanged += new System.EventHandler(this.checkMinimizeTray_CheckedChanged);
-            // 
-            // groupNotificationDuration
-            // 
-            this.groupNotificationDuration.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
-            | System.Windows.Forms.AnchorStyles.Right)));
-            this.groupNotificationDuration.Controls.Add(this.radioDurVeryLong);
-            this.groupNotificationDuration.Controls.Add(this.radioDurLong);
-            this.groupNotificationDuration.Controls.Add(this.radioDurMedium);
-            this.groupNotificationDuration.Controls.Add(this.radioDurShort);
-            this.groupNotificationDuration.Location = new System.Drawing.Point(3, 3);
-            this.groupNotificationDuration.Name = "groupNotificationDuration";
-            this.groupNotificationDuration.Size = new System.Drawing.Size(183, 119);
-            this.groupNotificationDuration.TabIndex = 2;
-            this.groupNotificationDuration.TabStop = false;
-            this.groupNotificationDuration.Text = "Notification Duration";
-            // 
-            // radioDurVeryLong
-            // 
-            this.radioDurVeryLong.AutoSize = true;
-            this.radioDurVeryLong.Location = new System.Drawing.Point(6, 92);
-            this.radioDurVeryLong.Name = "radioDurVeryLong";
-            this.radioDurVeryLong.Size = new System.Drawing.Size(73, 17);
-            this.radioDurVeryLong.TabIndex = 3;
-            this.radioDurVeryLong.TabStop = true;
-            this.radioDurVeryLong.Text = "Very Long";
-            this.radioDurVeryLong.UseVisualStyleBackColor = true;
-            this.radioDurVeryLong.CheckedChanged += new System.EventHandler(this.radioDur_CheckedChanged);
-            this.radioDurVeryLong.Click += new System.EventHandler(this.radioDur_Click);
-            // 
-            // radioDurLong
-            // 
-            this.radioDurLong.AutoSize = true;
-            this.radioDurLong.Location = new System.Drawing.Point(6, 68);
-            this.radioDurLong.Name = "radioDurLong";
-            this.radioDurLong.Size = new System.Drawing.Size(49, 17);
-            this.radioDurLong.TabIndex = 2;
-            this.radioDurLong.TabStop = true;
-            this.radioDurLong.Text = "Long";
-            this.radioDurLong.UseVisualStyleBackColor = true;
-            this.radioDurLong.CheckedChanged += new System.EventHandler(this.radioDur_CheckedChanged);
-            this.radioDurLong.Click += new System.EventHandler(this.radioDur_Click);
-            // 
-            // radioDurMedium
-            // 
-            this.radioDurMedium.AutoSize = true;
-            this.radioDurMedium.Location = new System.Drawing.Point(6, 44);
-            this.radioDurMedium.Name = "radioDurMedium";
-            this.radioDurMedium.Size = new System.Drawing.Size(62, 17);
-            this.radioDurMedium.TabIndex = 1;
-            this.radioDurMedium.TabStop = true;
-            this.radioDurMedium.Text = "Medium";
-            this.radioDurMedium.UseVisualStyleBackColor = true;
-            this.radioDurMedium.CheckedChanged += new System.EventHandler(this.radioDur_CheckedChanged);
-            this.radioDurMedium.Click += new System.EventHandler(this.radioDur_Click);
-            // 
-            // radioDurShort
-            // 
-            this.radioDurShort.AutoSize = true;
-            this.radioDurShort.Location = new System.Drawing.Point(6, 20);
-            this.radioDurShort.Name = "radioDurShort";
-            this.radioDurShort.Size = new System.Drawing.Size(50, 17);
-            this.radioDurShort.TabIndex = 0;
-            this.radioDurShort.TabStop = true;
-            this.radioDurShort.Text = "Short";
-            this.radioDurShort.UseVisualStyleBackColor = true;
-            this.radioDurShort.CheckedChanged += new System.EventHandler(this.radioDur_CheckedChanged);
-            this.radioDurShort.Click += new System.EventHandler(this.radioDur_Click);
-            // 
-            // checkUpdateNotifications
-            // 
-            this.checkUpdateNotifications.AutoSize = true;
-            this.checkUpdateNotifications.Location = new System.Drawing.Point(6, 67);
-            this.checkUpdateNotifications.Name = "checkUpdateNotifications";
-            this.checkUpdateNotifications.Size = new System.Drawing.Size(122, 17);
-            this.checkUpdateNotifications.TabIndex = 5;
-            this.checkUpdateNotifications.Text = "Update Notifications";
-            this.checkUpdateNotifications.UseVisualStyleBackColor = true;
-            this.checkUpdateNotifications.CheckedChanged += new System.EventHandler(this.checkUpdateNotifications_CheckedChanged);
             // 
             // FormSettings
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(384, 282);
+            this.ClientSize = new System.Drawing.Size(510, 482);
-            this.Controls.Add(this.tableLayout);
+            this.Controls.Add(this.btnManageOptions);
+            this.Controls.Add(this.panelContents);
+            this.Controls.Add(this.panelButtons);
+            this.Controls.Add(this.btnClose);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
-            this.Icon = global::TweetDck.Properties.Resources.icon;
+            this.Icon = global::TweetDuck.Properties.Resources.icon;
             this.MaximizeBox = false;
             this.MinimizeBox = false;
             this.Name = "FormSettings";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.FormSettings_FormClosing);
-            this.groupNotificationLocation.ResumeLayout(false);
-            this.groupNotificationLocation.PerformLayout();
-            ((System.ComponentModel.ISupportInitialize)(this.trackBarEdgeDistance)).EndInit();
-            this.tableLayout.ResumeLayout(false);
-            this.tableColumn2Panel.ResumeLayout(false);
-            this.groupUserInterface.ResumeLayout(false);
-            this.groupUserInterface.PerformLayout();
-            this.groupNotificationDuration.ResumeLayout(false);
-            this.groupNotificationDuration.PerformLayout();
             this.ResumeLayout(false);
+            this.PerformLayout();
 
         }
 
         #endregion
-
+        private System.Windows.Forms.Button btnClose;
-        private System.Windows.Forms.GroupBox groupNotificationLocation;
+        private System.Windows.Forms.Panel panelContents;
-        private System.Windows.Forms.RadioButton radioLocCustom;
+        private System.Windows.Forms.Panel panelButtons;
-        private System.Windows.Forms.RadioButton radioLocBR;
+        private System.Windows.Forms.Button btnManageOptions;
-        private System.Windows.Forms.RadioButton radioLocBL;
-        private System.Windows.Forms.RadioButton radioLocTR;
-        private System.Windows.Forms.RadioButton radioLocTL;
-        private System.Windows.Forms.Label labelEdgeDistance;
-        private System.Windows.Forms.TrackBar trackBarEdgeDistance;
-        private System.Windows.Forms.Label labelDisplay;
-        private System.Windows.Forms.ComboBox comboBoxDisplay;
-        private System.Windows.Forms.TableLayoutPanel tableLayout;
-        private System.Windows.Forms.Panel tableColumn2Panel;
-        private System.Windows.Forms.GroupBox groupUserInterface;
-        private System.Windows.Forms.GroupBox groupNotificationDuration;
-        private System.Windows.Forms.RadioButton radioDurVeryLong;
-        private System.Windows.Forms.RadioButton radioDurLong;
-        private System.Windows.Forms.RadioButton radioDurMedium;
-        private System.Windows.Forms.RadioButton radioDurShort;
-        private System.Windows.Forms.CheckBox checkMinimizeTray;
-        private System.Windows.Forms.CheckBox checkNotificationTimer;
-        private System.Windows.Forms.CheckBox checkUpdateNotifications;
     }
 }

Core/Other/FormSettings.cs

@@ -1,141 +1,176 @@
 using System;
+using System.Collections.Generic;
+using System.Drawing;
 using System.Windows.Forms;
-using TweetDck.Configuration;
+using TweetDuck.Core.Controls;
-using TweetDck.Core.Handling;
+using TweetDuck.Core.Other.Settings;
+using TweetDuck.Core.Other.Settings.Dialogs;
+using TweetDuck.Core.Utils;
+using TweetDuck.Plugins;
+using TweetDuck.Updates;
 
-namespace TweetDck.Core.Other{
+namespace TweetDuck.Core.Other{
     sealed partial class FormSettings : Form{
-        private static UserConfig Config{
+        private readonly FormBrowser browser;
-            get{
+        private readonly PluginManager plugins;
-                return Program.UserConfig;
-            }
-        }
 
-        private readonly FormNotification notification;
+        private readonly int buttonHeight;
-        private bool isLoaded;
 
-        public FormSettings(FormBrowser browserForm){
+        private readonly Dictionary<Type, SettingsTab> tabs = new Dictionary<Type, SettingsTab>(4);
+        private SettingsTab currentTab;
+
+        public bool ShouldReloadBrowser { get; private set; }
+
+        public FormSettings(FormBrowser browser, PluginManager plugins, UpdateHandler updates, Type startTab){
             InitializeComponent();
-            Shown += (sender, args) => isLoaded = true;
 
-            Text = Program.BrandName+" Settings";
+            Text = Program.BrandName+" Options";
 
-            notification = new FormNotification(browserForm,false){ CanMoveWindow = () => radioLocCustom.Checked };
+            this.browser = browser;
+            this.browser.PauseNotification();
 
-            notification.Move += (sender, args) => {
+            this.plugins = plugins;
-                if (radioLocCustom.Checked){
-                    Config.CustomNotificationPosition = notification.Location;
-                }
-            };
             
-            notification.Show(this);
+            this.buttonHeight = BrowserUtils.Scale(39, this.GetDPIScale()) | 1;
 
-            switch(Config.NotificationPosition){
+            AddButton("General", () => new TabSettingsGeneral(updates));
-                case TweetNotification.Position.TopLeft: radioLocTL.Checked = true; break;
+            AddButton("System Tray", () => new TabSettingsTray());
-                case TweetNotification.Position.TopRight: radioLocTR.Checked = true; break;
+            AddButton("Notifications", () => new TabSettingsNotifications(browser.CreateNotificationForm(false)));
-                case TweetNotification.Position.BottomLeft: radioLocBL.Checked = true; break;
+            AddButton("Sounds", () => new TabSettingsSounds());
-                case TweetNotification.Position.BottomRight: radioLocBR.Checked = true; break;
+            AddButton("Feedback", () => new TabSettingsFeedback());
-                case TweetNotification.Position.Custom: radioLocCustom.Checked = true; break;
+            AddButton("Advanced", () => new TabSettingsAdvanced(browser.ReinjectCustomCSS));
-            }
 
-            switch(Config.NotificationDuration){
+            SelectTab(tabs[startTab ?? typeof(TabSettingsGeneral)]);
-                case TweetNotification.Duration.Short: radioDurShort.Checked = true; break;
-                case TweetNotification.Duration.Medium: radioDurMedium.Checked = true; break;
-                case TweetNotification.Duration.Long: radioDurLong.Checked = true; break;
-                case TweetNotification.Duration.VeryLong: radioDurVeryLong.Checked = true; break;
-            }
-
-            comboBoxDisplay.Items.Add("(Same As "+Program.BrandName+")");
-
-            foreach(Screen screen in Screen.AllScreens){
-                comboBoxDisplay.Items.Add(screen.DeviceName+" ("+screen.Bounds.Width+"x"+screen.Bounds.Height+")");
-            }
-
-            comboBoxDisplay.SelectedIndex = Math.Min(comboBoxDisplay.Items.Count-1,Config.NotificationDisplay);
-
-            trackBarEdgeDistance.Value = Config.NotificationEdgeDistance;
-            checkMinimizeTray.Checked = Config.MinimizeToTray;
-            checkNotificationTimer.Checked = Config.DisplayNotificationTimer;
-            checkUpdateNotifications.Checked = Config.EnableUpdateCheck;
         }
 
         private void FormSettings_FormClosing(object sender, FormClosingEventArgs e){
-            Config.Save();
+            foreach(SettingsTab tab in tabs.Values){
+                if (tab.IsInitialized){
+                    tab.Control.OnClosing();
+                    tab.Control.Dispose();
+                }
             }
             
-        private void radioLoc_CheckedChanged(object sender, EventArgs e){
+            Program.UserConfig.Save();
-            if (!isLoaded)return;
+            browser.ResumeNotification();
-
-            if (radioLocTL.Checked)Config.NotificationPosition = TweetNotification.Position.TopLeft;
-            else if (radioLocTR.Checked)Config.NotificationPosition = TweetNotification.Position.TopRight;
-            else if (radioLocBL.Checked)Config.NotificationPosition = TweetNotification.Position.BottomLeft;
-            else if (radioLocBR.Checked)Config.NotificationPosition = TweetNotification.Position.BottomRight;
-            else if (radioLocCustom.Checked){
-                if (!Config.IsCustomNotificationPositionSet){
-                    Config.CustomNotificationPosition = notification.Location;
         }
 
-                Config.NotificationPosition = TweetNotification.Position.Custom;
+        private void btnManageOptions_Click(object sender, EventArgs e){
+            foreach(SettingsTab tab in tabs.Values){
+                if (tab.IsInitialized){
+                    tab.Control.OnClosing();
+                }
             }
 
-            comboBoxDisplay.Enabled = trackBarEdgeDistance.Enabled = !radioLocCustom.Checked;
+            using(DialogSettingsManage dialog = new DialogSettingsManage(plugins)){
-            notification.ShowNotificationForSettings(false);
+                if (dialog.ShowDialog() == DialogResult.OK){
-        }
+                    FormClosing -= FormSettings_FormClosing;
+                    browser.ResumeNotification();
 
-        private void radioLoc_Click(object sender, EventArgs e){
+                    ShouldReloadBrowser = dialog.ShouldReloadBrowser;
-            if (!isLoaded)return;
+                    Close();
-
+                }
-            notification.ShowNotificationForSettings(false);
+            }
-        }
+        }
-
+
-        private void comboBoxDisplay_SelectedValueChanged(object sender, EventArgs e){
+        private void btnClose_Click(object sender, EventArgs e){
-            if (!isLoaded)return;
+            Close();
-
+        }
-            Config.NotificationDisplay = comboBoxDisplay.SelectedIndex;
+
-            notification.ShowNotificationForSettings(false);
+        private void AddButton<T>(string title, Func<T> constructor) where T : BaseTabSettings{
-        }
+            FlatButton btn = new FlatButton{
-
+                BackColor = SystemColors.Control,
-        private void trackBarEdgeDistance_ValueChanged(object sender, EventArgs e){
+                FlatStyle = FlatStyle.Flat,
-            if (!isLoaded)return;
+                Location = new Point(0, (buttonHeight+1)*(panelButtons.Controls.Count/2)),
-
+                Margin = new Padding(0),
-            Config.NotificationEdgeDistance = trackBarEdgeDistance.Value;
+                Size = new Size(panelButtons.Width, buttonHeight),
-            notification.ShowNotificationForSettings(false);
+                Text = title,
-        }
+                UseVisualStyleBackColor = true
-
+            };
-        private void radioDur_CheckedChanged(object sender, EventArgs e){
+
-            if (!isLoaded)return;
+            btn.FlatAppearance.BorderSize = 0;
-
+            btn.FlatAppearance.MouseDownBackColor = Color.FromArgb(179, 213, 232);
-            if (radioDurShort.Checked)Config.NotificationDuration = TweetNotification.Duration.Short;
+            btn.FlatAppearance.MouseOverBackColor = Color.FromArgb(216, 230, 237);
-            else if (radioDurMedium.Checked)Config.NotificationDuration = TweetNotification.Duration.Medium;
+            
-            else if (radioDurLong.Checked)Config.NotificationDuration = TweetNotification.Duration.Long;
+            panelButtons.Controls.Add(btn);
-            else if (radioDurVeryLong.Checked)Config.NotificationDuration = TweetNotification.Duration.VeryLong;
+
-
+            panelButtons.Controls.Add(new Panel{
-            notification.ShowNotificationForSettings(true);
+                BackColor = Color.DimGray,
-        }
+                Location = new Point(0, panelButtons.Controls[panelButtons.Controls.Count-1].Location.Y+buttonHeight),
-
+                Margin = new Padding(0),
-        private void radioDur_Click(object sender, EventArgs e){
+                Size = new Size(panelButtons.Width, 1)
-            if (!isLoaded)return;
+            });
-
+
-            notification.ShowNotificationForSettings(true);
+            tabs.Add(typeof(T), new SettingsTab(btn, constructor));
-        }
+
-
+            btn.Click += (sender, args) => SelectTab<T>();
-        private void checkMinimizeTray_CheckedChanged(object sender, EventArgs e){
+        }
-            if (!isLoaded)return;
+
-
+        private void SelectTab<T>() where T : BaseTabSettings{
-            Config.MinimizeToTray = checkMinimizeTray.Checked;
+            SelectTab(tabs[typeof(T)]);
-        }
+        }
-
+
-        private void checkNotificationTimer_CheckedChanged(object sender, EventArgs e){
+        private void SelectTab(SettingsTab tab){
-            if (!isLoaded)return;
+            if (currentTab != null){
-
+                currentTab.Button.BackColor = SystemColors.Control;
-            Config.DisplayNotificationTimer = checkNotificationTimer.Checked;
+            }
-            notification.ShowNotificationForSettings(true);
+            
-        }
+            tab.Button.BackColor = tab.Button.FlatAppearance.MouseDownBackColor;
-
+
-        private void checkUpdateNotifications_CheckedChanged(object sender, EventArgs e){
+            if (!tab.IsInitialized){
-            if (!isLoaded)return;
+                foreach(Control control in tab.Control.InteractiveControls){
-
+                    if (control is ComboBox){
-            Config.EnableUpdateCheck = checkUpdateNotifications.Checked;
+                        control.MouseLeave += control_MouseLeave;
+                    }
+                    else if (control is TrackBar){
+                        control.MouseWheel += control_MouseWheel;
+                    }
+                }
+
+                tab.Control.OnReady();
+            }
+            
+            panelContents.VerticalScroll.Enabled = false; // required to stop animation that would otherwise break everything
+            panelContents.PerformLayout();
+
+            panelContents.SuspendLayout();
+            panelContents.VerticalScroll.Value = 0; // https://gfycat.com/GrotesqueTastyAstarte
+            panelContents.Controls.Clear();
+            panelContents.Controls.Add(tab.Control);
+            panelContents.ResumeLayout(true);
+
+            panelContents.VerticalScroll.Enabled = true;
+            panelContents.Focus();
+
+            currentTab = tab;
+        }
+
+        private void control_MouseLeave(object sender, EventArgs e){
+            panelContents.Focus();
+        }
+
+        private void control_MouseWheel(object sender, MouseEventArgs e){
+            ((HandledMouseEventArgs)e).Handled = true;
+            panelContents.Focus();
+        }
+
+        private sealed class SettingsTab{
+            public Button Button { get; }
+
+            public BaseTabSettings Control{
+                get => control ?? (control = constructor());
+                set => control = value;
+            }
+
+            public bool IsInitialized => control != null;
+
+            private readonly Func<BaseTabSettings> constructor;
+            private BaseTabSettings control;
+
+            public SettingsTab(Button button, Func<BaseTabSettings> constructor){
+                this.Button = button;
+                this.constructor = constructor;
+            }
         }
     }
 }

Core/Other/FormUpdateDownload.cs

@@ -1,108 +0,0 @@
-using System;
-using System.ComponentModel;
-using System.IO;
-using System.Net;
-using System.Windows.Forms;
-using TweetDck.Core.Controls;
-using TweetDck.Core.Utils;
-
-namespace TweetDck.Core.Other{
-    sealed partial class FormUpdateDownload : Form{
-        public string InstallerPath{
-            get{
-                return Path.Combine(Path.GetTempPath(),updateInfo.FileName);
-            }
-        }
-
-        public enum Status{
-            Waiting, Failed, Cancelled, Manual, Succeeded
-        }
-
-        public Status UpdateStatus { get; private set; }
-        
-        private readonly WebClient webClient;
-        private readonly UpdateInfo updateInfo;
-
-        public FormUpdateDownload(UpdateInfo info){
-            InitializeComponent();
-
-            this.webClient = new WebClient{ Proxy = null };
-            this.webClient.Headers[HttpRequestHeader.UserAgent] = BrowserUtils.HeaderUserAgent;
-
-            this.updateInfo = info;
-            this.UpdateStatus = Status.Waiting;
-
-            Disposed += (sender, args) => webClient.Dispose();
-
-            webClient.DownloadProgressChanged += webClient_DownloadProgressChanged;
-            webClient.DownloadFileCompleted += webClient_DownloadFileCompleted;
-
-            Text = "Updating "+Program.BrandName;
-            labelDescription.Text = "Downloading version "+info.VersionTag+"...";
-        }
-
-        private void FormUpdateDownload_Shown(object sender, EventArgs e){
-            webClient.DownloadFileAsync(new Uri(updateInfo.DownloadUrl),InstallerPath);
-        }
-
-        private void btnCancel_Click(object sender, EventArgs e){
-            webClient.CancelAsync();
-            btnCancel.Enabled = false;
-        }
-
-        private void FormUpdateDownload_FormClosing(object sender, FormClosingEventArgs e){
-            if (UpdateStatus == Status.Waiting){
-                e.Cancel = true;
-                webClient.CancelAsync();
-                UpdateStatus = e.CloseReason == CloseReason.UserClosing ? Status.Cancelled : Status.Manual; // manual will exit the app
-            }
-        }
-
-        private void webClient_DownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e){
-            this.InvokeSafe(() => {
-                if (e.TotalBytesToReceive == -1){
-                    if (progressDownload.Style != ProgressBarStyle.Marquee){
-                        progressDownload.Style = ProgressBarStyle.Continuous;
-                        progressDownload.SetValueInstant(1000);
-                    }
-
-                    labelStatus.Text = (e.BytesReceived/(1024.0*1024.0)).ToString("0.0")+" MB";
-                }
-                else{
-                    if (progressDownload.Style != ProgressBarStyle.Continuous){
-                        progressDownload.Style = ProgressBarStyle.Continuous;
-                    }
-
-                    progressDownload.SetValueInstant(e.ProgressPercentage*10);
-                    labelStatus.Text = (e.BytesReceived/(1024.0*1024.0)).ToString("0.0")+" / "+(e.TotalBytesToReceive/(1024.0*1024.0)).ToString("0.0")+" MB";
-                }
-            });
-        }
-
-        private void webClient_DownloadFileCompleted(object sender, AsyncCompletedEventArgs e){
-            this.InvokeSafe(() => {
-                if (e.Cancelled){
-                    if (UpdateStatus == Status.Waiting){
-                        UpdateStatus = Status.Cancelled;
-                    }
-                }
-                else if (e.Error != null){
-                    Program.Log(e.Error.ToString());
-
-                    if (MessageBox.Show("Could not download the update: "+e.Error.Message+"\r\n\r\nDo you want to open the website and try downloading the update manually?","Update Has Failed",MessageBoxButtons.YesNo,MessageBoxIcon.Error,MessageBoxDefaultButton.Button1) == DialogResult.Yes){
-                        BrowserUtils.OpenExternalBrowser(Program.Website);
-                        UpdateStatus = Status.Manual;
-                    }
-                    else{
-                        UpdateStatus = Status.Failed;
-                    }
-                }
-                else{
-                    UpdateStatus = Status.Succeeded;
-                }
-
-                Close();
-            });
-        }
-    }
-}

Core/Other/Management/BrowserProcesses.cs

@@ -0,0 +1,27 @@
+using System.Collections.Generic;
+using System.Diagnostics;
+using CefSharp;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other.Management{
+    static class BrowserProcesses{
+        private static readonly Dictionary<int, int> PIDs = new Dictionary<int, int>();
+
+        public static void Link(int identifier, int pid){
+            PIDs[identifier] = pid;
+        }
+
+        public static void Forget(int identifier){
+            PIDs.Remove(identifier);
+        }
+        
+        public static Process FindProcess(IBrowser browser){
+            if (PIDs.TryGetValue(browser.Identifier, out int pid) && WindowsUtils.IsChildProcess(pid)){ // child process is checked in two places for safety
+                return Process.GetProcessById(pid);
+            }
+            else{
+                return null;
+            }
+        }
+    }
+}

Core/Other/Management/MemoryUsageTracker.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Diagnostics;
+using System.Timers;
+using System.Windows.Forms;
+using CefSharp;
+using Timer = System.Timers.Timer;
+
+namespace TweetDuck.Core.Other.Management{
+    sealed class MemoryUsageTracker : IDisposable{
+        private const int IntervalMemoryCheck = 60000*30; // 30 minutes
+        private const int IntervalCleanupAttempt = 60000*5; // 5 minutes
+
+        private readonly string script;
+        private readonly Timer timer;
+        private Form owner;
+        private IBrowser browser;
+
+        private long threshold;
+        private bool needsCleanup;
+
+        public MemoryUsageTracker(string cleanupFunctionName){
+            this.script = $"window.{cleanupFunctionName} && window.{cleanupFunctionName}()";
+
+            this.timer = new Timer{ Interval = IntervalMemoryCheck };
+            this.timer.Elapsed += timer_Elapsed;
+        }
+
+        public void Start(Form owner, IBrowser browser, int thresholdMB){
+            Stop();
+
+            this.owner = owner;
+            this.browser = browser;
+            this.threshold = thresholdMB*1024L*1024L;
+            this.timer.SynchronizingObject = owner;
+            this.timer.Start();
+        }
+
+        public void Stop(){
+            timer.Stop();
+            timer.SynchronizingObject = null;
+            owner = null;
+            browser = null;
+            SetNeedsCleanup(false);
+        }
+
+        public void Dispose(){
+            timer.SynchronizingObject = null;
+            timer.Dispose();
+            owner = null;
+            browser = null;
+        }
+
+        private void SetNeedsCleanup(bool value){
+            if (needsCleanup != value){
+                needsCleanup = value;
+                timer.Interval = value ? IntervalCleanupAttempt : IntervalMemoryCheck; // restarts timer
+            }
+        }
+
+        private void timer_Elapsed(object sender, ElapsedEventArgs e){
+            if (owner == null || browser == null){
+                return;
+            }
+            
+            if (needsCleanup){
+                if (!owner.ContainsFocus){
+                    using(IFrame frame = browser.MainFrame){
+                        frame.EvaluateScriptAsync(script).ContinueWith(task => {
+                            JavascriptResponse response = task.Result;
+
+                            if (response.Success && (response.Result as bool? ?? false)){
+                                SetNeedsCleanup(false);
+                            }
+                        });
+                    }
+                }
+            }
+            else{
+                try{
+                    using(Process process = BrowserProcesses.FindProcess(browser)){
+                        if (process?.PrivateMemorySize64 > threshold){
+                            SetNeedsCleanup(true);
+                        }
+                    }
+                }catch{
+                    // ignore I guess?
+                }
+            }
+        }
+    }
+}

Core/Other/Management/VideoPlayer.cs

@@ -0,0 +1,181 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+using TweetLib.Communication;
+
+namespace TweetDuck.Core.Other.Management{
+    sealed class VideoPlayer : IDisposable{
+        private readonly string PlayerExe = Path.Combine(Program.ProgramPath, "TweetDuck.Video.exe");
+
+        public bool Running{
+            get{
+                if (currentProcess == null){
+                    return false;
+                }
+
+                currentProcess.Refresh();
+                return !currentProcess.HasExited;
+            }
+        }
+
+        public event EventHandler ProcessExited;
+
+        private readonly Form owner;
+        private string lastUrl;
+
+        private Process currentProcess;
+        private DuplexPipe.Server currentPipe;
+        private bool isClosing;
+
+        public VideoPlayer(Form owner){
+            this.owner = owner;
+            this.owner.FormClosing += owner_FormClosing;
+        }
+
+        public void Launch(string url){
+            if (Running){
+                Destroy();
+                isClosing = false;
+            }
+
+            lastUrl = url;
+
+            try{
+                currentPipe = DuplexPipe.CreateServer();
+                currentPipe.DataIn += currentPipe_DataIn;
+
+                if ((currentProcess = Process.Start(new ProcessStartInfo{
+                    FileName = PlayerExe,
+                    Arguments = $"{owner.Handle} {Program.UserConfig.VideoPlayerVolume} \"{url}\" \"{currentPipe.GenerateToken()}\"",
+                    UseShellExecute = false,
+                    RedirectStandardOutput = true
+                })) != null){
+                    currentProcess.EnableRaisingEvents = true;
+                    currentProcess.Exited += process_Exited;
+
+                    #if DEBUG
+                    currentProcess.BeginOutputReadLine();
+                    currentProcess.OutputDataReceived += (sender, args) => Debug.WriteLine("VideoPlayer: "+args.Data);
+                    #endif
+                }
+
+                currentPipe.DisposeToken();
+            }catch(Exception e){
+                Program.Reporter.HandleException("Video Playback Error", "Error launching video player.", true, e);
+            }
+        }
+
+        public void SendKeyEvent(Keys key){
+            currentPipe?.Write("key", ((int)key).ToString());
+        }
+
+        private void currentPipe_DataIn(object sender, DuplexPipe.PipeReadEventArgs e){
+            owner.InvokeSafe(() => {
+                switch(e.Key){
+                    case "vol":
+                        if (int.TryParse(e.Data, out int volume) && volume != Program.UserConfig.VideoPlayerVolume){
+                            Program.UserConfig.VideoPlayerVolume = volume;
+                            Program.UserConfig.Save();
+                        }
+
+                        break;
+
+                    case "download":
+                        TwitterUtils.DownloadVideo(lastUrl);
+                        break;
+
+                    case "rip":
+                        currentPipe.Dispose();
+                        currentPipe = null;
+                    
+                        currentProcess.Dispose();
+                        currentProcess = null;
+
+                        isClosing = false;
+                        TriggerProcessExitEventUnsafe();
+                        break;
+                }
+            });
+        }
+
+        public void Close(){
+            if (currentProcess != null){
+                if (isClosing){
+                    Destroy();
+                    isClosing = false;
+                }
+                else{
+                    isClosing = true;
+                    currentProcess.Exited -= process_Exited;
+                    currentPipe.Write("die");
+                }
+            }
+        }
+
+        public void Dispose(){
+            ProcessExited = null;
+
+            isClosing = true;
+            Destroy();
+        }
+
+        private void Destroy(){
+            if (currentProcess != null){
+                try{
+                    currentProcess.Kill();
+                }catch{
+                    // kill me instead then
+                }
+
+                currentProcess.Dispose();
+                currentProcess = null;
+                
+                currentPipe.Dispose();
+                currentPipe = null;
+
+                TriggerProcessExitEventUnsafe();
+            }
+        }
+
+        private void owner_FormClosing(object sender, FormClosingEventArgs e){
+            if (currentProcess != null){
+                currentProcess.Exited -= process_Exited;
+            }
+        }
+
+        private void process_Exited(object sender, EventArgs e){
+            int exitCode = currentProcess.ExitCode;
+
+            currentProcess.Dispose();
+            currentProcess = null;
+
+            currentPipe.Dispose();
+            currentPipe = null;
+
+            switch(exitCode){
+                case 3: // CODE_LAUNCH_FAIL
+                    if (FormMessage.Error("Video Playback Error", "Error launching video player, this may be caused by missing Windows Media Player. Do you want to open the video in a browser?", FormMessage.Yes, FormMessage.No)){
+                        BrowserUtils.OpenExternalBrowser(lastUrl);
+                    }
+
+                    break;
+
+                case 4: // CODE_MEDIA_ERROR
+                    if (FormMessage.Error("Video Playback Error", "The video could not be loaded, most likely due to unknown format. Do you want to open the video in a browser?", FormMessage.Yes, FormMessage.No)){
+                        BrowserUtils.OpenExternalBrowser(lastUrl);
+                    }
+
+                    break;
+            }
+            
+            owner.InvokeAsyncSafe(TriggerProcessExitEventUnsafe);
+        }
+
+        private void TriggerProcessExitEventUnsafe(){
+            ProcessExited?.Invoke(this, EventArgs.Empty);
+        }
+    }
+}

Core/Other/Settings/BaseTabSettings.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+using TweetDuck.Configuration;
+
+namespace TweetDuck.Core.Other.Settings{
+    class BaseTabSettings : UserControl{
+        protected static UserConfig Config => Program.UserConfig;
+
+        public IEnumerable<Control> InteractiveControls{
+            get{
+                foreach(Panel panel in Controls.OfType<Panel>()){
+                    foreach(Control control in panel.Controls){
+                        yield return control;
+                    }
+                }
+            }
+        }
+
+        protected BaseTabSettings(){
+            Padding = new Padding(6);
+        }
+
+        public virtual void OnReady(){}
+        public virtual void OnClosing(){}
+
+        protected static void PromptRestart(){
+            if (FormMessage.Information("TweetDuck Options", "The application must restart for the option to take place. Do you want to restart now?", FormMessage.Yes, FormMessage.No)){
+                Program.Restart();
+            }
+        }
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsCSS.Designer.cs

@@ -0,0 +1,203 @@
+namespace TweetDuck.Core.Other.Settings.Dialogs {
+    partial class DialogSettingsCSS {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.textBoxBrowserCSS = new System.Windows.Forms.TextBox();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnApply = new System.Windows.Forms.Button();
+            this.splitContainer = new System.Windows.Forms.SplitContainer();
+            this.labelBrowser = new System.Windows.Forms.Label();
+            this.labelNotification = new System.Windows.Forms.Label();
+            this.textBoxNotificationCSS = new System.Windows.Forms.TextBox();
+            this.labelWarning = new System.Windows.Forms.Label();
+            this.btnOpenWiki = new System.Windows.Forms.Button();
+            this.timerTestBrowser = new System.Windows.Forms.Timer(this.components);
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer)).BeginInit();
+            this.splitContainer.Panel1.SuspendLayout();
+            this.splitContainer.Panel2.SuspendLayout();
+            this.splitContainer.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // textBoxBrowserCSS
+            // 
+            this.textBoxBrowserCSS.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.textBoxBrowserCSS.Font = new System.Drawing.Font("Courier New", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.textBoxBrowserCSS.Location = new System.Drawing.Point(0, 16);
+            this.textBoxBrowserCSS.Margin = new System.Windows.Forms.Padding(0, 3, 0, 0);
+            this.textBoxBrowserCSS.Multiline = true;
+            this.textBoxBrowserCSS.Name = "textBoxBrowserCSS";
+            this.textBoxBrowserCSS.ScrollBars = System.Windows.Forms.ScrollBars.Both;
+            this.textBoxBrowserCSS.Size = new System.Drawing.Size(378, 253);
+            this.textBoxBrowserCSS.TabIndex = 1;
+            this.textBoxBrowserCSS.WordWrap = false;
+            this.textBoxBrowserCSS.KeyUp += new System.Windows.Forms.KeyEventHandler(this.textBoxBrowserCSS_KeyUp);
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnCancel.Location = new System.Drawing.Point(654, 287);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnCancel.Size = new System.Drawing.Size(56, 23);
+            this.btnCancel.TabIndex = 2;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnApply
+            // 
+            this.btnApply.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnApply.Location = new System.Drawing.Point(716, 287);
+            this.btnApply.Name = "btnApply";
+            this.btnApply.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnApply.Size = new System.Drawing.Size(56, 23);
+            this.btnApply.TabIndex = 1;
+            this.btnApply.Text = "Apply";
+            this.btnApply.UseVisualStyleBackColor = true;
+            this.btnApply.Click += new System.EventHandler(this.btnApply_Click);
+            // 
+            // splitContainer
+            // 
+            this.splitContainer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.splitContainer.Location = new System.Drawing.Point(12, 12);
+            this.splitContainer.Name = "splitContainer";
+            // 
+            // splitContainer.Panel1
+            // 
+            this.splitContainer.Panel1.Controls.Add(this.labelBrowser);
+            this.splitContainer.Panel1.Controls.Add(this.textBoxBrowserCSS);
+            this.splitContainer.Panel1MinSize = 64;
+            // 
+            // splitContainer.Panel2
+            // 
+            this.splitContainer.Panel2.Controls.Add(this.labelNotification);
+            this.splitContainer.Panel2.Controls.Add(this.textBoxNotificationCSS);
+            this.splitContainer.Panel2MinSize = 64;
+            this.splitContainer.Size = new System.Drawing.Size(760, 269);
+            this.splitContainer.SplitterDistance = 378;
+            this.splitContainer.SplitterWidth = 5;
+            this.splitContainer.TabIndex = 0;
+            // 
+            // labelBrowser
+            // 
+            this.labelBrowser.AutoSize = true;
+            this.labelBrowser.Location = new System.Drawing.Point(-3, 0);
+            this.labelBrowser.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelBrowser.Name = "labelBrowser";
+            this.labelBrowser.Size = new System.Drawing.Size(45, 13);
+            this.labelBrowser.TabIndex = 0;
+            this.labelBrowser.Text = "Browser";
+            // 
+            // labelNotification
+            // 
+            this.labelNotification.AutoSize = true;
+            this.labelNotification.Location = new System.Drawing.Point(-3, 0);
+            this.labelNotification.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelNotification.Name = "labelNotification";
+            this.labelNotification.Size = new System.Drawing.Size(60, 13);
+            this.labelNotification.TabIndex = 0;
+            this.labelNotification.Text = "Notification";
+            // 
+            // textBoxNotificationCSS
+            // 
+            this.textBoxNotificationCSS.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.textBoxNotificationCSS.Font = new System.Drawing.Font("Courier New", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.textBoxNotificationCSS.Location = new System.Drawing.Point(0, 16);
+            this.textBoxNotificationCSS.Margin = new System.Windows.Forms.Padding(0, 3, 0, 0);
+            this.textBoxNotificationCSS.Multiline = true;
+            this.textBoxNotificationCSS.Name = "textBoxNotificationCSS";
+            this.textBoxNotificationCSS.ScrollBars = System.Windows.Forms.ScrollBars.Both;
+            this.textBoxNotificationCSS.Size = new System.Drawing.Size(377, 253);
+            this.textBoxNotificationCSS.TabIndex = 1;
+            this.textBoxNotificationCSS.WordWrap = false;
+            // 
+            // labelWarning
+            // 
+            this.labelWarning.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.labelWarning.AutoSize = true;
+            this.labelWarning.Location = new System.Drawing.Point(91, 292);
+            this.labelWarning.Name = "labelWarning";
+            this.labelWarning.Size = new System.Drawing.Size(341, 13);
+            this.labelWarning.TabIndex = 3;
+            this.labelWarning.Text = "The code is not validated, please make sure there are no syntax errors.";
+            // 
+            // btnOpenWiki
+            // 
+            this.btnOpenWiki.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.btnOpenWiki.Location = new System.Drawing.Point(12, 287);
+            this.btnOpenWiki.Name = "btnOpenWiki";
+            this.btnOpenWiki.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnOpenWiki.Size = new System.Drawing.Size(73, 23);
+            this.btnOpenWiki.TabIndex = 4;
+            this.btnOpenWiki.Text = "Open Wiki";
+            this.btnOpenWiki.UseVisualStyleBackColor = true;
+            this.btnOpenWiki.Click += new System.EventHandler(this.btnOpenWiki_Click);
+            // 
+            // timerTestBrowser
+            // 
+            this.timerTestBrowser.Interval = 500;
+            this.timerTestBrowser.Tick += new System.EventHandler(this.timerTestBrowser_Tick);
+            // 
+            // DialogSettingsCSS
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(784, 322);
+            this.Controls.Add(this.btnOpenWiki);
+            this.Controls.Add(this.labelWarning);
+            this.Controls.Add(this.splitContainer);
+            this.Controls.Add(this.btnApply);
+            this.Controls.Add(this.btnCancel);
+            this.MinimumSize = new System.Drawing.Size(600, 160);
+            this.Name = "DialogSettingsCSS";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.splitContainer.Panel1.ResumeLayout(false);
+            this.splitContainer.Panel1.PerformLayout();
+            this.splitContainer.Panel2.ResumeLayout(false);
+            this.splitContainer.Panel2.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.splitContainer)).EndInit();
+            this.splitContainer.ResumeLayout(false);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.TextBox textBoxBrowserCSS;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnApply;
+        private System.Windows.Forms.SplitContainer splitContainer;
+        private System.Windows.Forms.TextBox textBoxNotificationCSS;
+        private System.Windows.Forms.Label labelBrowser;
+        private System.Windows.Forms.Label labelNotification;
+        private System.Windows.Forms.Label labelWarning;
+        private System.Windows.Forms.Button btnOpenWiki;
+        private System.Windows.Forms.Timer timerTestBrowser;
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsCSS.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other.Settings.Dialogs{
+    sealed partial class DialogSettingsCSS : Form{
+        public string BrowserCSS => textBoxBrowserCSS.Text;
+        public string NotificationCSS => textBoxNotificationCSS.Text;
+
+        private readonly Action<string> reinjectBrowserCSS;
+
+        public DialogSettingsCSS(Action<string> reinjectBrowserCSS){
+            InitializeComponent();
+            
+            Text = Program.BrandName+" Options - CSS";
+
+            this.reinjectBrowserCSS = reinjectBrowserCSS;
+            
+            textBoxBrowserCSS.EnableMultilineShortcuts();
+            textBoxBrowserCSS.Text = Program.UserConfig.CustomBrowserCSS ?? "";
+
+            textBoxNotificationCSS.EnableMultilineShortcuts();
+            textBoxNotificationCSS.Text = Program.UserConfig.CustomNotificationCSS ?? "";
+        }
+
+        private void textBoxBrowserCSS_KeyUp(object sender, KeyEventArgs e){
+            timerTestBrowser.Stop();
+            timerTestBrowser.Start();
+        }
+
+        private void timerTestBrowser_Tick(object sender, EventArgs e){
+            reinjectBrowserCSS(textBoxBrowserCSS.Text);
+            timerTestBrowser.Stop();
+        }
+
+        private void btnOpenWiki_Click(object sender, EventArgs e){
+            BrowserUtils.OpenExternalBrowserUnsafe("https://github.com/chylex/TweetDuck/wiki");
+        }
+
+        private void btnApply_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsCefArgs.Designer.cs

@@ -0,0 +1,119 @@
+namespace TweetDuck.Core.Other.Settings.Dialogs {
+    partial class DialogSettingsCefArgs {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.textBoxArgs = new System.Windows.Forms.TextBox();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnApply = new System.Windows.Forms.Button();
+            this.btnHelp = new System.Windows.Forms.Button();
+            this.labelWarning = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // textBoxArgs
+            // 
+            this.textBoxArgs.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.textBoxArgs.Font = new System.Drawing.Font("Courier New", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.textBoxArgs.Location = new System.Drawing.Point(12, 28);
+            this.textBoxArgs.Multiline = true;
+            this.textBoxArgs.Name = "textBoxArgs";
+            this.textBoxArgs.Size = new System.Drawing.Size(460, 193);
+            this.textBoxArgs.TabIndex = 1;
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnCancel.Location = new System.Drawing.Point(354, 227);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnCancel.Size = new System.Drawing.Size(56, 23);
+            this.btnCancel.TabIndex = 3;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnApply
+            // 
+            this.btnApply.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnApply.Location = new System.Drawing.Point(416, 227);
+            this.btnApply.Name = "btnApply";
+            this.btnApply.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnApply.Size = new System.Drawing.Size(56, 23);
+            this.btnApply.TabIndex = 2;
+            this.btnApply.Text = "Apply";
+            this.btnApply.UseVisualStyleBackColor = true;
+            this.btnApply.Click += new System.EventHandler(this.btnApply_Click);
+            // 
+            // btnHelp
+            // 
+            this.btnHelp.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
+            this.btnHelp.Location = new System.Drawing.Point(12, 227);
+            this.btnHelp.Name = "btnHelp";
+            this.btnHelp.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnHelp.Size = new System.Drawing.Size(124, 23);
+            this.btnHelp.TabIndex = 4;
+            this.btnHelp.Text = "List of Chromium Args";
+            this.btnHelp.UseVisualStyleBackColor = true;
+            this.btnHelp.Click += new System.EventHandler(this.btnHelp_Click);
+            // 
+            // labelWarning
+            // 
+            this.labelWarning.AutoSize = true;
+            this.labelWarning.Location = new System.Drawing.Point(12, 9);
+            this.labelWarning.Margin = new System.Windows.Forms.Padding(3, 0, 3, 3);
+            this.labelWarning.Name = "labelWarning";
+            this.labelWarning.Size = new System.Drawing.Size(423, 13);
+            this.labelWarning.TabIndex = 0;
+            this.labelWarning.Text = "Warning: Some arguments may cause the program to stop working, edit at your own r" +
+    "isk.";
+            // 
+            // DialogSettingsCefArgs
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(484, 262);
+            this.Controls.Add(this.labelWarning);
+            this.Controls.Add(this.btnHelp);
+            this.Controls.Add(this.btnApply);
+            this.Controls.Add(this.btnCancel);
+            this.Controls.Add(this.textBoxArgs);
+            this.MinimumSize = new System.Drawing.Size(500, 160);
+            this.Name = "DialogSettingsCefArgs";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.TextBox textBoxArgs;
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnApply;
+        private System.Windows.Forms.Button btnHelp;
+        private System.Windows.Forms.Label labelWarning;
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsCefArgs.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Utils;
+using TweetDuck.Data;
+
+namespace TweetDuck.Core.Other.Settings.Dialogs{
+    sealed partial class DialogSettingsCefArgs : Form{
+        public string CefArgs => textBoxArgs.Text;
+
+        public DialogSettingsCefArgs(){
+            InitializeComponent();
+            
+            Text = Program.BrandName+" Options - CEF Arguments";
+            
+            textBoxArgs.EnableMultilineShortcuts();
+            textBoxArgs.Text = Program.UserConfig.CustomCefArgs ?? "";
+            textBoxArgs.Select(textBoxArgs.Text.Length, 0);
+        }
+
+        private void btnHelp_Click(object sender, EventArgs e){
+            BrowserUtils.OpenExternalBrowserUnsafe("http://peter.sh/experiments/chromium-command-line-switches/");
+        }
+
+        private void btnApply_Click(object sender, EventArgs e){
+            string prevArgs = Program.UserConfig.CustomCefArgs;
+
+            if (CefArgs == prevArgs){
+                DialogResult = DialogResult.Cancel;
+                Close();
+                return;
+            }
+
+            int count = CommandLineArgs.ReadCefArguments(CefArgs).Count;
+            string prompt = count == 0 && !string.IsNullOrWhiteSpace(prevArgs) ? "All current arguments will be removed. Continue?" : count+(count == 1 ? " argument was" : " arguments were")+" detected. Continue?";
+
+            if (FormMessage.Question("Confirm CEF Arguments", prompt, FormMessage.OK, FormMessage.Cancel)){
+                DialogResult = DialogResult.OK;
+                Close();
+            }
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsManage.Designer.cs

@@ -0,0 +1,201 @@
+namespace TweetDuck.Core.Other.Settings.Dialogs {
+    partial class DialogSettingsManage {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnContinue = new System.Windows.Forms.Button();
+            this.cbConfig = new System.Windows.Forms.CheckBox();
+            this.cbSession = new System.Windows.Forms.CheckBox();
+            this.cbPluginData = new System.Windows.Forms.CheckBox();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.panelExport = new System.Windows.Forms.Panel();
+            this.panelDecision = new System.Windows.Forms.Panel();
+            this.radioReset = new System.Windows.Forms.RadioButton();
+            this.radioExport = new System.Windows.Forms.RadioButton();
+            this.radioImport = new System.Windows.Forms.RadioButton();
+            this.panelExport.SuspendLayout();
+            this.panelDecision.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnCancel.Location = new System.Drawing.Point(176, 97);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnCancel.Size = new System.Drawing.Size(56, 23);
+            this.btnCancel.TabIndex = 4;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnContinue
+            // 
+            this.btnContinue.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnContinue.AutoSize = true;
+            this.btnContinue.Enabled = false;
+            this.btnContinue.Location = new System.Drawing.Point(125, 97);
+            this.btnContinue.Name = "btnContinue";
+            this.btnContinue.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnContinue.Size = new System.Drawing.Size(45, 23);
+            this.btnContinue.TabIndex = 3;
+            this.btnContinue.Text = "Next";
+            this.btnContinue.UseVisualStyleBackColor = true;
+            this.btnContinue.Click += new System.EventHandler(this.btnContinue_Click);
+            // 
+            // cbConfig
+            // 
+            this.cbConfig.AutoSize = true;
+            this.cbConfig.Location = new System.Drawing.Point(0, 3);
+            this.cbConfig.Name = "cbConfig";
+            this.cbConfig.Size = new System.Drawing.Size(104, 17);
+            this.cbConfig.TabIndex = 0;
+            this.cbConfig.Text = "Program Options";
+            this.toolTip.SetToolTip(this.cbConfig, "Interface, notification, and update options.");
+            this.cbConfig.UseVisualStyleBackColor = true;
+            this.cbConfig.CheckedChanged += new System.EventHandler(this.cbConfig_CheckedChanged);
+            // 
+            // cbSession
+            // 
+            this.cbSession.AutoSize = true;
+            this.cbSession.Location = new System.Drawing.Point(0, 27);
+            this.cbSession.Name = "cbSession";
+            this.cbSession.Size = new System.Drawing.Size(92, 17);
+            this.cbSession.TabIndex = 1;
+            this.cbSession.Text = "Login Session";
+            this.toolTip.SetToolTip(this.cbSession, "A token that allows logging into the\r\ncurrent TweetDeck account.");
+            this.cbSession.UseVisualStyleBackColor = true;
+            this.cbSession.CheckedChanged += new System.EventHandler(this.cbSession_CheckedChanged);
+            // 
+            // cbPluginData
+            // 
+            this.cbPluginData.AutoSize = true;
+            this.cbPluginData.Location = new System.Drawing.Point(0, 51);
+            this.cbPluginData.Name = "cbPluginData";
+            this.cbPluginData.Size = new System.Drawing.Size(81, 17);
+            this.cbPluginData.TabIndex = 2;
+            this.cbPluginData.Text = "Plugin Data";
+            this.toolTip.SetToolTip(this.cbPluginData, "Data files generated by plugins.\r\nDoes not include the plugins themselves.");
+            this.cbPluginData.UseVisualStyleBackColor = true;
+            this.cbPluginData.CheckedChanged += new System.EventHandler(this.cbPluginData_CheckedChanged);
+            // 
+            // panelExport
+            // 
+            this.panelExport.Controls.Add(this.cbConfig);
+            this.panelExport.Controls.Add(this.cbPluginData);
+            this.panelExport.Controls.Add(this.cbSession);
+            this.panelExport.Location = new System.Drawing.Point(12, 12);
+            this.panelExport.Name = "panelExport";
+            this.panelExport.Size = new System.Drawing.Size(220, 79);
+            this.panelExport.TabIndex = 5;
+            this.panelExport.Visible = false;
+            // 
+            // panelDecision
+            // 
+            this.panelDecision.Controls.Add(this.radioReset);
+            this.panelDecision.Controls.Add(this.radioExport);
+            this.panelDecision.Controls.Add(this.radioImport);
+            this.panelDecision.Location = new System.Drawing.Point(12, 12);
+            this.panelDecision.Name = "panelDecision";
+            this.panelDecision.Size = new System.Drawing.Size(220, 79);
+            this.panelDecision.TabIndex = 6;
+            // 
+            // radioReset
+            // 
+            this.radioReset.AutoSize = true;
+            this.radioReset.Location = new System.Drawing.Point(3, 49);
+            this.radioReset.Name = "radioReset";
+            this.radioReset.Size = new System.Drawing.Size(104, 17);
+            this.radioReset.TabIndex = 2;
+            this.radioReset.TabStop = true;
+            this.radioReset.Text = "Restore Defaults";
+            this.radioReset.UseVisualStyleBackColor = true;
+            this.radioReset.CheckedChanged += new System.EventHandler(this.radioDecision_CheckedChanged);
+            // 
+            // radioExport
+            // 
+            this.radioExport.AutoSize = true;
+            this.radioExport.Location = new System.Drawing.Point(3, 26);
+            this.radioExport.Name = "radioExport";
+            this.radioExport.Size = new System.Drawing.Size(87, 17);
+            this.radioExport.TabIndex = 1;
+            this.radioExport.TabStop = true;
+            this.radioExport.Text = "Export Profile";
+            this.radioExport.UseVisualStyleBackColor = true;
+            this.radioExport.CheckedChanged += new System.EventHandler(this.radioDecision_CheckedChanged);
+            // 
+            // radioImport
+            // 
+            this.radioImport.AutoSize = true;
+            this.radioImport.Location = new System.Drawing.Point(3, 3);
+            this.radioImport.Name = "radioImport";
+            this.radioImport.Size = new System.Drawing.Size(86, 17);
+            this.radioImport.TabIndex = 0;
+            this.radioImport.TabStop = true;
+            this.radioImport.Text = "Import Profile";
+            this.radioImport.UseVisualStyleBackColor = true;
+            this.radioImport.CheckedChanged += new System.EventHandler(this.radioDecision_CheckedChanged);
+            // 
+            // DialogSettingsManage
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(244, 132);
+            this.Controls.Add(this.panelDecision);
+            this.Controls.Add(this.panelExport);
+            this.Controls.Add(this.btnContinue);
+            this.Controls.Add(this.btnCancel);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.MinimumSize = new System.Drawing.Size(200, 170);
+            this.Name = "DialogSettingsManage";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.Text = "Manage Options";
+            this.panelExport.ResumeLayout(false);
+            this.panelExport.PerformLayout();
+            this.panelDecision.ResumeLayout(false);
+            this.panelDecision.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnContinue;
+        private System.Windows.Forms.CheckBox cbConfig;
+        private System.Windows.Forms.CheckBox cbSession;
+        private System.Windows.Forms.CheckBox cbPluginData;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.Panel panelExport;
+        private System.Windows.Forms.Panel panelDecision;
+        private System.Windows.Forms.RadioButton radioReset;
+        private System.Windows.Forms.RadioButton radioExport;
+        private System.Windows.Forms.RadioButton radioImport;
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsManage.cs

@@ -0,0 +1,203 @@
+using System;
+using System.IO;
+using System.Windows.Forms;
+using TweetDuck.Configuration;
+using TweetDuck.Core.Other.Settings.Export;
+using TweetDuck.Plugins;
+
+namespace TweetDuck.Core.Other.Settings.Dialogs{
+    sealed partial class DialogSettingsManage : Form{
+        private enum State{
+            Deciding, Reset, Import, Export
+        }
+
+        public ExportFileFlags Flags{
+            get => selectedFlags;
+
+            set{
+                // this will call events and SetFlag, which also updates the UI
+                cbConfig.Checked = value.HasFlag(ExportFileFlags.Config);
+                cbSession.Checked = value.HasFlag(ExportFileFlags.Session);
+                cbPluginData.Checked = value.HasFlag(ExportFileFlags.PluginData);
+            }
+        }
+
+        public bool ShouldReloadBrowser { get; private set; }
+        
+        private readonly PluginManager plugins;
+        private State currentState;
+
+        private ExportManager importManager;
+        private ExportFileFlags selectedFlags = ExportFileFlags.None;
+
+        public DialogSettingsManage(PluginManager plugins){
+            InitializeComponent();
+
+            this.plugins = plugins;
+            this.currentState = State.Deciding;
+        }
+
+        private void radioDecision_CheckedChanged(object sender, EventArgs e){
+            btnContinue.Enabled = true;
+        }
+
+        private void cbConfig_CheckedChanged(object sender, EventArgs e){
+            SetFlag(ExportFileFlags.Config, cbConfig.Checked);
+        }
+
+        private void cbSession_CheckedChanged(object sender, EventArgs e){
+            SetFlag(ExportFileFlags.Session, cbSession.Checked);
+        }
+
+        private void cbPluginData_CheckedChanged(object sender, EventArgs e){
+            SetFlag(ExportFileFlags.PluginData, cbPluginData.Checked);
+        }
+
+        private void btnContinue_Click(object sender, EventArgs e){
+            string file;
+
+            switch(currentState){
+                case State.Deciding:
+                    // Reset
+                    if (radioReset.Checked){
+                        currentState = State.Reset;
+
+                        Text = "Restore Defaults";
+                        Flags = ExportFileFlags.Config;
+                    }
+
+                    // Import
+                    else if (radioImport.Checked){
+                        using(OpenFileDialog dialog = new OpenFileDialog{
+                            AutoUpgradeEnabled = true,
+                            DereferenceLinks = true,
+                            Title = "Import TweetDuck Profile",
+                            Filter = "TweetDuck Profile (*.tdsettings)|*.tdsettings"
+                        }){
+                            if (dialog.ShowDialog() != DialogResult.OK){
+                                return;
+                            }
+
+                            file = dialog.FileName;
+                        }
+
+                        importManager = new ExportManager(file, plugins);
+                        currentState = State.Import;
+
+                        Text = "Import Profile";
+                        Flags = importManager.GetImportFlags();
+
+                        cbConfig.Enabled = cbConfig.Checked;
+                        cbSession.Enabled = cbSession.Checked;
+                        cbPluginData.Enabled = cbPluginData.Checked;
+                    }
+
+                    // Export
+                    else if (radioExport.Checked){
+                        currentState = State.Export;
+
+                        Text = "Export Profile";
+                        btnContinue.Text = "Export Profile";
+                        Flags = ExportFileFlags.All & ~ExportFileFlags.Session;
+                    }
+                    
+                    // Continue...
+                    panelDecision.Visible = false;
+                    panelExport.Visible = true;
+                    break;
+
+                case State.Reset:
+                    if (FormMessage.Warning("Reset TweetDuck Options", "This will reset the selected items. Are you sure you want to proceed?", FormMessage.Yes, FormMessage.No)){
+                        if (Flags.HasFlag(ExportFileFlags.Config)){
+                            Program.ResetConfig();
+                        }
+
+                        if (Flags.HasFlag(ExportFileFlags.PluginData)){
+                            try{
+                                File.Delete(Program.PluginConfigFilePath);
+                                Directory.Delete(Program.PluginDataPath, true);
+                            }catch(Exception ex){
+                                Program.Reporter.HandleException("Plugin Data Reset Error", "Could not delete plugin data.", true, ex);
+                            }
+                        }
+
+                        if (Flags.HasFlag(ExportFileFlags.Session)){
+                            Program.Restart(Arguments.ArgDeleteCookies);
+                        }
+                        else{
+                            ShouldReloadBrowser = true;
+                        }
+
+                        DialogResult = DialogResult.OK;
+                        Close();
+                    }
+
+                    break;
+
+                case State.Import:
+                    if (importManager.Import(Flags)){
+                        Program.UserConfig.Reload();
+
+                        if (importManager.IsRestarting){
+                            Program.Restart(Arguments.ArgImportCookies);
+                        }
+                        else{
+                            ShouldReloadBrowser = true;
+                        }
+                    }
+                    else{
+                        Program.Reporter.HandleException("Profile Import Error", "An exception happened while importing TweetDuck profile.", true, importManager.LastException);
+                    }
+                    
+                    DialogResult = DialogResult.OK;
+                    Close();
+                    break;
+
+                case State.Export:
+                    using(SaveFileDialog dialog = new SaveFileDialog{
+                        AddExtension = true,
+                        AutoUpgradeEnabled = true,
+                        OverwritePrompt = true,
+                        DefaultExt = "tdsettings",
+                        FileName = "TweetDuck.tdsettings",
+                        Title = "Export TweetDuck Profile",
+                        Filter = "TweetDuck Profile (*.tdsettings)|*.tdsettings"
+                    }){
+                        if (dialog.ShowDialog() != DialogResult.OK){
+                            return;
+                        }
+
+                        file = dialog.FileName;
+                    }
+
+                    Program.UserConfig.Save();
+                    ExportManager manager = new ExportManager(file, plugins);
+
+                    if (!manager.Export(Flags)){
+                        Program.Reporter.HandleException("Profile Export Error", "An exception happened while exporting TweetDuck profile.", true, manager.LastException);
+                    }
+
+                    DialogResult = DialogResult.OK;
+                    Close();
+                    break;
+            }
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+
+        private void SetFlag(ExportFileFlags flag, bool enable){
+            selectedFlags = enable ? selectedFlags | flag : selectedFlags & ~flag;
+            btnContinue.Enabled = selectedFlags != ExportFileFlags.None;
+
+            if (currentState == State.Import){
+                btnContinue.Text = selectedFlags.HasFlag(ExportFileFlags.Session) ? "Import && Restart" : "Import Profile";
+            }
+            else if (currentState == State.Reset){
+                btnContinue.Text = selectedFlags.HasFlag(ExportFileFlags.Session) ? "Restore && Restart" : "Restore Defaults";
+            }
+        }
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsRestart.Designer.cs

@@ -0,0 +1,190 @@
+namespace TweetDuck.Core.Other.Settings.Dialogs {
+    partial class DialogSettingsRestart {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.btnCancel = new System.Windows.Forms.Button();
+            this.btnRestart = new System.Windows.Forms.Button();
+            this.cbLogging = new System.Windows.Forms.CheckBox();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.cbDebugUpdates = new System.Windows.Forms.CheckBox();
+            this.comboLocale = new System.Windows.Forms.ComboBox();
+            this.tbDataFolder = new System.Windows.Forms.TextBox();
+            this.tbShortcutTarget = new System.Windows.Forms.TextBox();
+            this.labelLocale = new System.Windows.Forms.Label();
+            this.labelDataFolder = new System.Windows.Forms.Label();
+            this.labelShortcutTarget = new System.Windows.Forms.Label();
+            this.SuspendLayout();
+            // 
+            // btnCancel
+            // 
+            this.btnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnCancel.Location = new System.Drawing.Point(216, 217);
+            this.btnCancel.Name = "btnCancel";
+            this.btnCancel.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnCancel.Size = new System.Drawing.Size(56, 23);
+            this.btnCancel.TabIndex = 9;
+            this.btnCancel.Text = "Cancel";
+            this.btnCancel.UseVisualStyleBackColor = true;
+            this.btnCancel.Click += new System.EventHandler(this.btnCancel_Click);
+            // 
+            // btnRestart
+            // 
+            this.btnRestart.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnRestart.Location = new System.Drawing.Point(153, 217);
+            this.btnRestart.Name = "btnRestart";
+            this.btnRestart.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnRestart.Size = new System.Drawing.Size(57, 23);
+            this.btnRestart.TabIndex = 8;
+            this.btnRestart.Text = "Restart";
+            this.btnRestart.UseVisualStyleBackColor = true;
+            this.btnRestart.Click += new System.EventHandler(this.btnRestart_Click);
+            // 
+            // cbLogging
+            // 
+            this.cbLogging.AutoSize = true;
+            this.cbLogging.Location = new System.Drawing.Point(12, 12);
+            this.cbLogging.Name = "cbLogging";
+            this.cbLogging.Size = new System.Drawing.Size(64, 17);
+            this.cbLogging.TabIndex = 0;
+            this.cbLogging.Text = "Logging";
+            this.toolTip.SetToolTip(this.cbLogging, "Logging JavaScript output into TD_Console.txt file in the data folder.");
+            this.cbLogging.UseVisualStyleBackColor = true;
+            // 
+            // cbDebugUpdates
+            // 
+            this.cbDebugUpdates.AutoSize = true;
+            this.cbDebugUpdates.Location = new System.Drawing.Point(12, 35);
+            this.cbDebugUpdates.Name = "cbDebugUpdates";
+            this.cbDebugUpdates.Size = new System.Drawing.Size(127, 17);
+            this.cbDebugUpdates.TabIndex = 1;
+            this.cbDebugUpdates.Text = "Pre-Release Updates";
+            this.toolTip.SetToolTip(this.cbDebugUpdates, "Allows updating to pre-releases.");
+            this.cbDebugUpdates.UseVisualStyleBackColor = true;
+            // 
+            // comboLocale
+            // 
+            this.comboLocale.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.comboLocale.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboLocale.FormattingEnabled = true;
+            this.comboLocale.Location = new System.Drawing.Point(15, 83);
+            this.comboLocale.Name = "comboLocale";
+            this.comboLocale.Size = new System.Drawing.Size(257, 21);
+            this.comboLocale.TabIndex = 3;
+            this.toolTip.SetToolTip(this.comboLocale, "Language used for spell checking.");
+            // 
+            // tbDataFolder
+            // 
+            this.tbDataFolder.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.tbDataFolder.Location = new System.Drawing.Point(15, 135);
+            this.tbDataFolder.Name = "tbDataFolder";
+            this.tbDataFolder.Size = new System.Drawing.Size(257, 20);
+            this.tbDataFolder.TabIndex = 5;
+            this.toolTip.SetToolTip(this.tbDataFolder, "Path to the data folder. Must be either an absolute path,\r\nor a simple folder name that will be created in LocalAppData.");
+            // 
+            // tbShortcutTarget
+            // 
+            this.tbShortcutTarget.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.tbShortcutTarget.Cursor = System.Windows.Forms.Cursors.Hand;
+            this.tbShortcutTarget.Location = new System.Drawing.Point(15, 186);
+            this.tbShortcutTarget.Name = "tbShortcutTarget";
+            this.tbShortcutTarget.ReadOnly = true;
+            this.tbShortcutTarget.Size = new System.Drawing.Size(257, 20);
+            this.tbShortcutTarget.TabIndex = 7;
+            this.tbShortcutTarget.Click += new System.EventHandler(this.tbShortcutTarget_Click);
+            // 
+            // labelLocale
+            // 
+            this.labelLocale.AutoSize = true;
+            this.labelLocale.Location = new System.Drawing.Point(12, 67);
+            this.labelLocale.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelLocale.Name = "labelLocale";
+            this.labelLocale.Size = new System.Drawing.Size(39, 13);
+            this.labelLocale.TabIndex = 2;
+            this.labelLocale.Text = "Locale";
+            // 
+            // labelDataFolder
+            // 
+            this.labelDataFolder.AutoSize = true;
+            this.labelDataFolder.Location = new System.Drawing.Point(12, 119);
+            this.labelDataFolder.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelDataFolder.Name = "labelDataFolder";
+            this.labelDataFolder.Size = new System.Drawing.Size(62, 13);
+            this.labelDataFolder.TabIndex = 4;
+            this.labelDataFolder.Text = "Data Folder";
+            // 
+            // labelShortcutTarget
+            // 
+            this.labelShortcutTarget.AutoSize = true;
+            this.labelShortcutTarget.Location = new System.Drawing.Point(12, 170);
+            this.labelShortcutTarget.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelShortcutTarget.Name = "labelShortcutTarget";
+            this.labelShortcutTarget.Size = new System.Drawing.Size(155, 13);
+            this.labelShortcutTarget.TabIndex = 6;
+            this.labelShortcutTarget.Text = "Shortcut Target (click to select)";
+            // 
+            // DialogSettingsRestart
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.ClientSize = new System.Drawing.Size(284, 252);
+            this.Controls.Add(this.tbShortcutTarget);
+            this.Controls.Add(this.labelShortcutTarget);
+            this.Controls.Add(this.tbDataFolder);
+            this.Controls.Add(this.labelDataFolder);
+            this.Controls.Add(this.comboLocale);
+            this.Controls.Add(this.labelLocale);
+            this.Controls.Add(this.cbDebugUpdates);
+            this.Controls.Add(this.cbLogging);
+            this.Controls.Add(this.btnRestart);
+            this.Controls.Add(this.btnCancel);
+            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
+            this.MaximizeBox = false;
+            this.MinimizeBox = false;
+            this.Name = "DialogSettingsRestart";
+            this.ShowIcon = false;
+            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button btnCancel;
+        private System.Windows.Forms.Button btnRestart;
+        private System.Windows.Forms.CheckBox cbLogging;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.CheckBox cbDebugUpdates;
+        private System.Windows.Forms.Label labelLocale;
+        private System.Windows.Forms.ComboBox comboLocale;
+        private System.Windows.Forms.Label labelDataFolder;
+        private System.Windows.Forms.TextBox tbDataFolder;
+        private System.Windows.Forms.TextBox tbShortcutTarget;
+        private System.Windows.Forms.Label labelShortcutTarget;
+    }
+}

Core/Other/Settings/Dialogs/DialogSettingsRestart.cs

@@ -0,0 +1,87 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Windows.Forms;
+using TweetDuck.Configuration;
+using TweetDuck.Data;
+
+namespace TweetDuck.Core.Other.Settings.Dialogs{
+    sealed partial class DialogSettingsRestart : Form{
+        private const string DefaultLocale = "en-US";
+
+        public CommandLineArgs Args { get; private set; }
+
+        public DialogSettingsRestart(CommandLineArgs currentArgs){
+            InitializeComponent();
+
+            try{
+                object[] locales = Directory.EnumerateFiles(Path.Combine(Program.ProgramPath, "locales"), "*.pak", SearchOption.TopDirectoryOnly).Select(Path.GetFileNameWithoutExtension).ToArray<object>();
+                comboLocale.Items.AddRange(locales);
+            }catch{
+                comboLocale.Items.Add(DefaultLocale);
+            }
+
+            cbLogging.Checked = currentArgs.HasFlag(Arguments.ArgLogging);
+            cbDebugUpdates.Checked = currentArgs.HasFlag(Arguments.ArgDebugUpdates);
+            comboLocale.SelectedItem = currentArgs.GetValue(Arguments.ArgLocale, DefaultLocale);
+
+            cbLogging.CheckedChanged += control_Change;
+            cbDebugUpdates.CheckedChanged += control_Change;
+            comboLocale.SelectedValueChanged += control_Change;
+
+            if (Program.IsPortable){
+                tbDataFolder.Text = "Not available in portable version";
+                tbDataFolder.Enabled = false;
+            }
+            else{
+                tbDataFolder.Text = currentArgs.GetValue(Arguments.ArgDataFolder, string.Empty);
+                tbDataFolder.TextChanged += control_Change;
+            }
+
+            control_Change(this, EventArgs.Empty);
+
+            Text = Program.BrandName+" Arguments";
+        }
+
+        private void control_Change(object sender, EventArgs e){
+            Args = new CommandLineArgs();
+            
+            if (cbLogging.Checked){
+                Args.AddFlag(Arguments.ArgLogging);
+            }
+            
+            if (cbDebugUpdates.Checked){
+                Args.AddFlag(Arguments.ArgDebugUpdates);
+            }
+
+            string locale = comboLocale.SelectedItem as string;
+
+            if (!string.IsNullOrWhiteSpace(locale) && locale != DefaultLocale){
+                Args.SetValue(Arguments.ArgLocale, locale);
+            }
+
+            if (!string.IsNullOrWhiteSpace(tbDataFolder.Text) && tbDataFolder.Enabled){
+                Args.SetValue(Arguments.ArgDataFolder, tbDataFolder.Text);
+            }
+
+            tbShortcutTarget.Text = $@"""{Application.ExecutablePath}""{(Args.Count > 0 ? " " : "")}{Args}";
+            tbShortcutTarget.Select(tbShortcutTarget.Text.Length, 0);
+        }
+
+        private void tbShortcutTarget_Click(object sender, EventArgs e){
+            if (tbShortcutTarget.SelectionLength == 0){
+                tbShortcutTarget.SelectAll();
+            }
+        }
+
+        private void btnRestart_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.OK;
+            Close();
+        }
+
+        private void btnCancel_Click(object sender, EventArgs e){
+            DialogResult = DialogResult.Cancel;
+            Close();
+        }
+    }
+}

Core/Other/Settings/Export/ExportFileFlags.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace TweetDuck.Core.Other.Settings.Export{
+    [Flags]
+    enum ExportFileFlags{
+        None = 0,
+        Config = 1,
+        Session = 2,
+        PluginData = 4,
+        All = Config|Session|PluginData
+    }
+}

Core/Other/Settings/Export/ExportManager.cs

@@ -0,0 +1,186 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using TweetDuck.Data;
+using TweetDuck.Plugins;
+using TweetDuck.Plugins.Enums;
+
+namespace TweetDuck.Core.Other.Settings.Export{
+    sealed class ExportManager{
+        private static readonly string CookiesPath = Path.Combine(Program.StoragePath, "Cookies");
+        private static readonly string TempCookiesPath = Path.Combine(Program.StoragePath, "CookiesTmp");
+
+        public bool IsRestarting { get; private set; }
+        public Exception LastException { get; private set; }
+
+        private readonly string file;
+        private readonly PluginManager plugins;
+
+        public ExportManager(string file, PluginManager plugins){
+            this.file = file;
+            this.plugins = plugins;
+        }
+
+        public bool Export(ExportFileFlags flags){
+            try{
+                using(CombinedFileStream stream = new CombinedFileStream(new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None))){
+                    if (flags.HasFlag(ExportFileFlags.Config)){
+                        stream.WriteFile("config", Program.UserConfigFilePath);
+                    }
+
+                    if (flags.HasFlag(ExportFileFlags.PluginData)){
+                        stream.WriteFile("plugin.config", Program.PluginConfigFilePath);
+
+                        foreach(Plugin plugin in plugins.Plugins){
+                            foreach(PathInfo path in EnumerateFilesRelative(plugin.GetPluginFolder(PluginFolder.Data))){
+                                try{
+                                    stream.WriteFile(new string[]{ "plugin.data", plugin.Identifier, path.Relative }, path.Full);
+                                }catch(ArgumentOutOfRangeException e){
+                                    FormMessage.Warning("Export Profile", "Could not include a plugin file in the export. "+e.Message, FormMessage.OK);
+                                }
+                            }
+                        }
+                    }
+
+                    if (flags.HasFlag(ExportFileFlags.Session)){
+                        stream.WriteFile("cookies", CookiesPath);
+                    }
+
+                    stream.Flush();
+                }
+
+                return true;
+            }catch(Exception e){
+                LastException = e;
+                return false;
+            }
+        }
+
+        public ExportFileFlags GetImportFlags(){
+            ExportFileFlags flags = ExportFileFlags.None;
+
+            try{
+                using(CombinedFileStream stream = new CombinedFileStream(new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.None))){
+                    string key;
+
+                    while((key = stream.SkipFile()) != null){
+                        switch(key){
+                            case "config":
+                                flags |= ExportFileFlags.Config;
+                                break;
+
+                            case "plugin.config":
+                            case "plugin.data":
+                                flags |= ExportFileFlags.PluginData;
+                                break;
+
+                            case "cookies":
+                                flags |= ExportFileFlags.Session;
+                                break;
+                        }
+                    }
+                }
+            }catch(Exception e){
+                LastException = e;
+                flags = ExportFileFlags.None;
+            }
+
+            return flags;
+        }
+
+        public bool Import(ExportFileFlags flags){
+            try{
+                HashSet<string> missingPlugins = new HashSet<string>();
+
+                using(CombinedFileStream stream = new CombinedFileStream(new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.None))){
+                    CombinedFileStream.Entry entry;
+
+                    while((entry = stream.ReadFile()) != null){
+                        switch(entry.KeyName){
+                            case "config":
+                                if (flags.HasFlag(ExportFileFlags.Config)){
+                                    entry.WriteToFile(Program.UserConfigFilePath);
+                                }
+
+                                break;
+
+                            case "plugin.config":
+                                if (flags.HasFlag(ExportFileFlags.PluginData)){
+                                    entry.WriteToFile(Program.PluginConfigFilePath);
+                                }
+
+                                break;
+
+                            case "plugin.data":
+                                if (flags.HasFlag(ExportFileFlags.PluginData)){
+                                    string[] value = entry.KeyValue;
+
+                                    entry.WriteToFile(Path.Combine(Program.PluginDataPath, value[0], value[1]), true);
+
+                                    if (!plugins.IsPluginInstalled(value[0])){
+                                        missingPlugins.Add(value[0]);
+                                    }
+                                }
+
+                                break;
+
+                            case "cookies":
+                                if (flags.HasFlag(ExportFileFlags.Session)){
+                                    entry.WriteToFile(Path.Combine(Program.StoragePath, TempCookiesPath));
+                                    IsRestarting = true;
+                                }
+
+                                break;
+                        }
+                    }
+                }
+
+                if (missingPlugins.Count > 0){
+                    FormMessage.Information("Importing TweetDuck Profile", "Detected missing plugins when importing plugin data:\n"+string.Join("\n", missingPlugins), FormMessage.OK);
+                }
+
+                return true;
+            }catch(Exception e){
+                LastException = e;
+                return false;
+            }
+        }
+
+        public static void ImportCookies(){
+            if (File.Exists(TempCookiesPath)){
+                try{
+                    if (File.Exists(CookiesPath)){
+                        File.Delete(CookiesPath);
+                    }
+
+                    File.Move(TempCookiesPath, CookiesPath);
+                }catch(Exception e){
+                    Program.Reporter.HandleException("Profile Import Error", "Could not import the cookie file to restore login session.", true, e);
+                }
+            }
+        }
+
+        public static void DeleteCookies(){
+            try{
+                if (File.Exists(CookiesPath)){
+                    File.Delete(CookiesPath);
+                }
+            }catch(Exception e){
+                Program.Reporter.HandleException("Session Reset Error", "Could not remove the cookie file to reset the login session.", true, e);
+            }
+        }
+
+        private static IEnumerable<PathInfo> EnumerateFilesRelative(string root){
+            return Directory.Exists(root) ? Directory.EnumerateFiles(root, "*.*", SearchOption.AllDirectories).Select(fullPath => new PathInfo{
+                Full = fullPath,
+                Relative = fullPath.Substring(root.Length).TrimStart(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar) // strip leading separator character
+            }) : Enumerable.Empty<PathInfo>();
+        }
+
+        private sealed class PathInfo{
+            public string Full { get; set; }
+            public string Relative { get; set; }
+        }
+    }
+}

Core/Other/Settings/TabSettingsAdvanced.Designer.cs

@@ -0,0 +1,290 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsAdvanced {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.btnClearCache = new System.Windows.Forms.Button();
+            this.checkHardwareAcceleration = new System.Windows.Forms.CheckBox();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.btnEditCefArgs = new System.Windows.Forms.Button();
+            this.btnEditCSS = new System.Windows.Forms.Button();
+            this.btnRestartArgs = new System.Windows.Forms.Button();
+            this.btnRestart = new System.Windows.Forms.Button();
+            this.btnOpenAppFolder = new System.Windows.Forms.Button();
+            this.btnOpenDataFolder = new System.Windows.Forms.Button();
+            this.numMemoryThreshold = new TweetDuck.Core.Controls.NumericUpDownEx();
+            this.checkBrowserGCReload = new System.Windows.Forms.CheckBox();
+            this.labelApp = new System.Windows.Forms.Label();
+            this.panelApp = new System.Windows.Forms.Panel();
+            this.labelPerformance = new System.Windows.Forms.Label();
+            this.panelPerformance = new System.Windows.Forms.Panel();
+            this.labelMemoryUsage = new System.Windows.Forms.Label();
+            this.panelConfiguration = new System.Windows.Forms.Panel();
+            this.labelConfiguration = new System.Windows.Forms.Label();
+            ((System.ComponentModel.ISupportInitialize)(this.numMemoryThreshold)).BeginInit();
+            this.panelApp.SuspendLayout();
+            this.panelPerformance.SuspendLayout();
+            this.panelConfiguration.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // btnClearCache
+            // 
+            this.btnClearCache.Location = new System.Drawing.Point(5, 28);
+            this.btnClearCache.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnClearCache.Name = "btnClearCache";
+            this.btnClearCache.Size = new System.Drawing.Size(144, 23);
+            this.btnClearCache.TabIndex = 1;
+            this.btnClearCache.Text = "Clear Cache (calculating)";
+            this.toolTip.SetToolTip(this.btnClearCache, "Clearing cache will free up space taken by downloaded images and other resources.");
+            this.btnClearCache.UseVisualStyleBackColor = true;
+            // 
+            // checkHardwareAcceleration
+            // 
+            this.checkHardwareAcceleration.AutoSize = true;
+            this.checkHardwareAcceleration.Location = new System.Drawing.Point(6, 5);
+            this.checkHardwareAcceleration.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkHardwareAcceleration.Name = "checkHardwareAcceleration";
+            this.checkHardwareAcceleration.Size = new System.Drawing.Size(134, 17);
+            this.checkHardwareAcceleration.TabIndex = 0;
+            this.checkHardwareAcceleration.Text = "Hardware Acceleration";
+            this.toolTip.SetToolTip(this.checkHardwareAcceleration, "Uses graphics card to improve performance. Disable if you experience\r\nvisual glitches. This option will not be exported in a profile.");
+            this.checkHardwareAcceleration.UseVisualStyleBackColor = true;
+            // 
+            // btnEditCefArgs
+            // 
+            this.btnEditCefArgs.Location = new System.Drawing.Point(5, 3);
+            this.btnEditCefArgs.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnEditCefArgs.Name = "btnEditCefArgs";
+            this.btnEditCefArgs.Size = new System.Drawing.Size(144, 23);
+            this.btnEditCefArgs.TabIndex = 0;
+            this.btnEditCefArgs.Text = "Edit CEF Arguments";
+            this.toolTip.SetToolTip(this.btnEditCefArgs, "Set custom command line arguments for Chromium Embedded Framework.");
+            this.btnEditCefArgs.UseVisualStyleBackColor = true;
+            // 
+            // btnEditCSS
+            // 
+            this.btnEditCSS.Location = new System.Drawing.Point(155, 3);
+            this.btnEditCSS.Name = "btnEditCSS";
+            this.btnEditCSS.Size = new System.Drawing.Size(144, 23);
+            this.btnEditCSS.TabIndex = 1;
+            this.btnEditCSS.Text = "Edit CSS";
+            this.toolTip.SetToolTip(this.btnEditCSS, "Set custom CSS for browser and notification windows.");
+            this.btnEditCSS.UseVisualStyleBackColor = true;
+            // 
+            // btnRestartArgs
+            // 
+            this.btnRestartArgs.Location = new System.Drawing.Point(155, 32);
+            this.btnRestartArgs.Name = "btnRestartArgs";
+            this.btnRestartArgs.Size = new System.Drawing.Size(144, 23);
+            this.btnRestartArgs.TabIndex = 3;
+            this.btnRestartArgs.Text = "Restart with Arguments";
+            this.toolTip.SetToolTip(this.btnRestartArgs, "Restarts the program with customizable\r\ncommand line arguments.");
+            this.btnRestartArgs.UseVisualStyleBackColor = true;
+            // 
+            // btnRestart
+            // 
+            this.btnRestart.Location = new System.Drawing.Point(155, 3);
+            this.btnRestart.Name = "btnRestart";
+            this.btnRestart.Size = new System.Drawing.Size(144, 23);
+            this.btnRestart.TabIndex = 2;
+            this.btnRestart.Text = "Restart the Program";
+            this.toolTip.SetToolTip(this.btnRestart, "Restarts the program using the same command\r\nline arguments that were used at launch.");
+            this.btnRestart.UseVisualStyleBackColor = true;
+            // 
+            // btnOpenAppFolder
+            // 
+            this.btnOpenAppFolder.Location = new System.Drawing.Point(5, 3);
+            this.btnOpenAppFolder.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnOpenAppFolder.Name = "btnOpenAppFolder";
+            this.btnOpenAppFolder.Size = new System.Drawing.Size(144, 23);
+            this.btnOpenAppFolder.TabIndex = 0;
+            this.btnOpenAppFolder.Text = "Open Program Folder";
+            this.toolTip.SetToolTip(this.btnOpenAppFolder, "Opens the folder where the app is located.");
+            this.btnOpenAppFolder.UseVisualStyleBackColor = true;
+            // 
+            // btnOpenDataFolder
+            // 
+            this.btnOpenDataFolder.Location = new System.Drawing.Point(5, 32);
+            this.btnOpenDataFolder.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnOpenDataFolder.Name = "btnOpenDataFolder";
+            this.btnOpenDataFolder.Size = new System.Drawing.Size(144, 23);
+            this.btnOpenDataFolder.TabIndex = 1;
+            this.btnOpenDataFolder.Text = "Open Data Folder";
+            this.toolTip.SetToolTip(this.btnOpenDataFolder, "Opens the folder where your profile data is located.");
+            this.btnOpenDataFolder.UseVisualStyleBackColor = true;
+            // 
+            // numMemoryThreshold
+            // 
+            this.numMemoryThreshold.Increment = new decimal(new int[] {
+            50,
+            0,
+            0,
+            0});
+            this.numMemoryThreshold.Location = new System.Drawing.Point(202, 82);
+            this.numMemoryThreshold.Maximum = 2000;
+            this.numMemoryThreshold.Minimum = 200;
+            this.numMemoryThreshold.Name = "numMemoryThreshold";
+            this.numMemoryThreshold.Size = new System.Drawing.Size(97, 20);
+            this.numMemoryThreshold.TabIndex = 4;
+            this.numMemoryThreshold.TextSuffix = " MB";
+            this.toolTip.SetToolTip(this.numMemoryThreshold, "Minimum amount of memory usage by the browser process to trigger the cleanup.\r\nThis is not a limit, the usage is allowed to exceed this value.");
+            this.numMemoryThreshold.Value = 400;
+            // 
+            // checkBrowserGCReload
+            // 
+            this.checkBrowserGCReload.AutoSize = true;
+            this.checkBrowserGCReload.Location = new System.Drawing.Point(6, 84);
+            this.checkBrowserGCReload.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkBrowserGCReload.Name = "checkBrowserGCReload";
+            this.checkBrowserGCReload.Size = new System.Drawing.Size(190, 17);
+            this.checkBrowserGCReload.TabIndex = 3;
+            this.checkBrowserGCReload.Text = "Enable Browser Memory Threshold";
+            this.toolTip.SetToolTip(this.checkBrowserGCReload, "Automatically reloads TweetDeck to save memory. This option only works if\r\nthe browser is in a \'default state\', i.e. all modals and drawers are closed, and\r\nall columns are scrolled to top. This option will not be exported in a profile.");
+            this.checkBrowserGCReload.UseVisualStyleBackColor = true;
+            // 
+            // labelApp
+            // 
+            this.labelApp.AutoSize = true;
+            this.labelApp.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelApp.Location = new System.Drawing.Point(6, 8);
+            this.labelApp.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelApp.Name = "labelApp";
+            this.labelApp.Size = new System.Drawing.Size(38, 20);
+            this.labelApp.TabIndex = 0;
+            this.labelApp.Text = "App";
+            // 
+            // panelApp
+            // 
+            this.panelApp.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelApp.Controls.Add(this.btnOpenDataFolder);
+            this.panelApp.Controls.Add(this.btnOpenAppFolder);
+            this.panelApp.Controls.Add(this.btnRestart);
+            this.panelApp.Controls.Add(this.btnRestartArgs);
+            this.panelApp.Location = new System.Drawing.Point(9, 31);
+            this.panelApp.Name = "panelApp";
+            this.panelApp.Size = new System.Drawing.Size(322, 59);
+            this.panelApp.TabIndex = 1;
+            // 
+            // labelPerformance
+            // 
+            this.labelPerformance.AutoSize = true;
+            this.labelPerformance.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelPerformance.Location = new System.Drawing.Point(6, 114);
+            this.labelPerformance.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelPerformance.Name = "labelPerformance";
+            this.labelPerformance.Size = new System.Drawing.Size(100, 20);
+            this.labelPerformance.TabIndex = 2;
+            this.labelPerformance.Text = "Performance";
+            // 
+            // panelPerformance
+            // 
+            this.panelPerformance.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelPerformance.Controls.Add(this.checkBrowserGCReload);
+            this.panelPerformance.Controls.Add(this.numMemoryThreshold);
+            this.panelPerformance.Controls.Add(this.labelMemoryUsage);
+            this.panelPerformance.Controls.Add(this.checkHardwareAcceleration);
+            this.panelPerformance.Controls.Add(this.btnClearCache);
+            this.panelPerformance.Location = new System.Drawing.Point(9, 137);
+            this.panelPerformance.Name = "panelPerformance";
+            this.panelPerformance.Size = new System.Drawing.Size(322, 105);
+            this.panelPerformance.TabIndex = 3;
+            // 
+            // labelMemoryUsage
+            // 
+            this.labelMemoryUsage.AutoSize = true;
+            this.labelMemoryUsage.Location = new System.Drawing.Point(3, 66);
+            this.labelMemoryUsage.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelMemoryUsage.Name = "labelMemoryUsage";
+            this.labelMemoryUsage.Size = new System.Drawing.Size(78, 13);
+            this.labelMemoryUsage.TabIndex = 2;
+            this.labelMemoryUsage.Text = "Memory Usage";
+            // 
+            // panelConfiguration
+            // 
+            this.panelConfiguration.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelConfiguration.Controls.Add(this.btnEditCSS);
+            this.panelConfiguration.Controls.Add(this.btnEditCefArgs);
+            this.panelConfiguration.Location = new System.Drawing.Point(9, 289);
+            this.panelConfiguration.Name = "panelConfiguration";
+            this.panelConfiguration.Size = new System.Drawing.Size(322, 29);
+            this.panelConfiguration.TabIndex = 5;
+            // 
+            // labelConfiguration
+            // 
+            this.labelConfiguration.AutoSize = true;
+            this.labelConfiguration.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelConfiguration.Location = new System.Drawing.Point(6, 266);
+            this.labelConfiguration.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelConfiguration.Name = "labelConfiguration";
+            this.labelConfiguration.Size = new System.Drawing.Size(104, 20);
+            this.labelConfiguration.TabIndex = 4;
+            this.labelConfiguration.Text = "Configuration";
+            // 
+            // TabSettingsAdvanced
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.labelConfiguration);
+            this.Controls.Add(this.panelConfiguration);
+            this.Controls.Add(this.panelPerformance);
+            this.Controls.Add(this.labelPerformance);
+            this.Controls.Add(this.panelApp);
+            this.Controls.Add(this.labelApp);
+            this.Name = "TabSettingsAdvanced";
+            this.Size = new System.Drawing.Size(340, 328);
+            ((System.ComponentModel.ISupportInitialize)(this.numMemoryThreshold)).EndInit();
+            this.panelApp.ResumeLayout(false);
+            this.panelPerformance.ResumeLayout(false);
+            this.panelPerformance.PerformLayout();
+            this.panelConfiguration.ResumeLayout(false);
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Button btnClearCache;
+        private System.Windows.Forms.CheckBox checkHardwareAcceleration;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.Button btnEditCefArgs;
+        private System.Windows.Forms.Button btnEditCSS;
+        private System.Windows.Forms.Button btnRestartArgs;
+        private System.Windows.Forms.Button btnRestart;
+        private System.Windows.Forms.Button btnOpenAppFolder;
+        private System.Windows.Forms.Button btnOpenDataFolder;
+        private System.Windows.Forms.Label labelApp;
+        private System.Windows.Forms.Panel panelApp;
+        private System.Windows.Forms.Label labelPerformance;
+        private System.Windows.Forms.Panel panelPerformance;
+        private System.Windows.Forms.Panel panelConfiguration;
+        private System.Windows.Forms.Label labelConfiguration;
+        private System.Windows.Forms.Label labelMemoryUsage;
+        private Controls.NumericUpDownEx numMemoryThreshold;
+        private System.Windows.Forms.CheckBox checkBrowserGCReload;
+    }
+}

Core/Other/Settings/TabSettingsAdvanced.cs

@@ -0,0 +1,153 @@
+using System;
+using System.Diagnostics;
+using System.Windows.Forms;
+using TweetDuck.Configuration;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Other.Settings.Dialogs;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsAdvanced : BaseTabSettings{
+        private static SystemConfig SysConfig => Program.SystemConfig;
+
+        private readonly Action<string> reinjectBrowserCSS;
+
+        public TabSettingsAdvanced(Action<string> reinjectBrowserCSS){
+            InitializeComponent();
+
+            this.reinjectBrowserCSS = reinjectBrowserCSS;
+
+            if (SystemConfig.IsHardwareAccelerationSupported){
+                checkHardwareAcceleration.Checked = SysConfig.HardwareAcceleration;
+            }
+            else{
+                checkHardwareAcceleration.Enabled = false;
+                checkHardwareAcceleration.Checked = false;
+            }
+
+            checkBrowserGCReload.Checked = SysConfig.EnableBrowserGCReload;
+            numMemoryThreshold.Enabled = checkBrowserGCReload.Checked;
+            numMemoryThreshold.SetValueSafe(SysConfig.BrowserMemoryThreshold);
+
+            BrowserCache.CalculateCacheSize(bytes => this.InvokeSafe(() => {
+                if (bytes == -1L){
+                    btnClearCache.Text = "Clear Cache (unknown size)";
+                }
+                else{
+                    btnClearCache.Text = "Clear Cache ("+(int)Math.Ceiling(bytes/(1024.0*1024.0))+" MB)";
+                }
+            }));
+        }
+
+        public override void OnReady(){
+            btnClearCache.Click += btnClearCache_Click;
+            checkHardwareAcceleration.CheckedChanged += checkHardwareAcceleration_CheckedChanged;
+
+            checkBrowserGCReload.CheckedChanged += checkBrowserGCReload_CheckedChanged;
+            numMemoryThreshold.ValueChanged += numMemoryThreshold_ValueChanged;
+
+            btnEditCefArgs.Click += btnEditCefArgs_Click;
+            btnEditCSS.Click += btnEditCSS_Click;
+            
+            btnOpenAppFolder.Click += btnOpenAppFolder_Click;
+            btnOpenDataFolder.Click += btnOpenDataFolder_Click;
+            btnRestart.Click += btnRestart_Click;
+            btnRestartArgs.Click += btnRestartArgs_Click;
+        }
+
+        public override void OnClosing(){
+            SysConfig.Save();
+        }
+
+        private void btnClearCache_Click(object sender, EventArgs e){
+            btnClearCache.Enabled = false;
+            BrowserCache.SetClearOnExit();
+            FormMessage.Information("Clear Cache", "Cache will be automatically cleared when TweetDuck exits.", FormMessage.OK);
+        }
+
+        private void checkHardwareAcceleration_CheckedChanged(object sender, EventArgs e){
+            SysConfig.HardwareAcceleration = checkHardwareAcceleration.Checked;
+            PromptRestart(); // calls OnClosing
+        }
+
+        private void checkBrowserGCReload_CheckedChanged(object sender, EventArgs e){
+            SysConfig.EnableBrowserGCReload = checkBrowserGCReload.Checked;
+            numMemoryThreshold.Enabled = checkBrowserGCReload.Checked;
+        }
+
+        private void numMemoryThreshold_ValueChanged(object sender, EventArgs e){
+            SysConfig.BrowserMemoryThreshold = (int)numMemoryThreshold.Value;
+        }
+
+        private void btnEditCefArgs_Click(object sender, EventArgs e){
+            DialogSettingsCefArgs form = new DialogSettingsCefArgs();
+
+            form.VisibleChanged += (sender2, args2) => {
+                form.MoveToCenter(ParentForm);
+            };
+
+            form.FormClosed += (sender2, args2) => {
+                RestoreParentForm();
+
+                if (form.DialogResult == DialogResult.OK){
+                    Config.CustomCefArgs = form.CefArgs;
+                    PromptRestart();
+                    form.Dispose();
+                }
+                else form.Dispose();
+            };
+            
+            form.Show(ParentForm);
+            NativeMethods.SetFormDisabled(ParentForm, true);
+        }
+
+        private void btnEditCSS_Click(object sender, EventArgs e){
+            DialogSettingsCSS form = new DialogSettingsCSS(reinjectBrowserCSS);
+
+            form.VisibleChanged += (sender2, args2) => {
+                form.MoveToCenter(ParentForm);
+            };
+
+            form.FormClosed += (sender2, args2) => {
+                RestoreParentForm();
+
+                if (form.DialogResult == DialogResult.OK){
+                    Config.CustomBrowserCSS = form.BrowserCSS;
+                    Config.CustomNotificationCSS = form.NotificationCSS;
+                }
+
+                reinjectBrowserCSS(Config.CustomBrowserCSS); // reinject on cancel too, because the CSS is updated while typing
+                form.Dispose();
+            };
+            
+            form.Show(ParentForm);
+            NativeMethods.SetFormDisabled(ParentForm, true);
+        }
+
+        private void btnOpenAppFolder_Click(object sender, EventArgs e){
+            using(Process.Start("explorer.exe", "\""+Program.ProgramPath+"\"")){}
+        }
+
+        private void btnOpenDataFolder_Click(object sender, EventArgs e){
+            using(Process.Start("explorer.exe", "\""+Program.StoragePath+"\"")){}
+        }
+
+        private void btnRestart_Click(object sender, EventArgs e){
+            Program.Restart();
+        }
+
+        private void btnRestartArgs_Click(object sender, EventArgs e){
+            using(DialogSettingsRestart dialog = new DialogSettingsRestart(Arguments.GetCurrentClean())){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    Program.RestartWithArgs(dialog.Args);
+                }
+            }
+        }
+
+        private void RestoreParentForm(){
+            if (ParentForm != null){ // when the parent is closed first, ParentForm is null in FormClosed event
+                NativeMethods.SetFormDisabled(ParentForm, false);
+            }
+        }
+    }
+}

Core/Other/Settings/TabSettingsFeedback.Designer.cs

@@ -0,0 +1,134 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsFeedback {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.panelFeedback = new System.Windows.Forms.Panel();
+            this.labelDataCollectionLink = new System.Windows.Forms.LinkLabel();
+            this.checkDataCollection = new System.Windows.Forms.CheckBox();
+            this.labelDataCollection = new System.Windows.Forms.Label();
+            this.labelFeedback = new System.Windows.Forms.Label();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.btnSendFeedback = new System.Windows.Forms.Button();
+            this.panelFeedback.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // panelFeedback
+            // 
+            this.panelFeedback.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelFeedback.Controls.Add(this.btnSendFeedback);
+            this.panelFeedback.Controls.Add(this.labelDataCollectionLink);
+            this.panelFeedback.Controls.Add(this.checkDataCollection);
+            this.panelFeedback.Controls.Add(this.labelDataCollection);
+            this.panelFeedback.Location = new System.Drawing.Point(9, 31);
+            this.panelFeedback.Name = "panelFeedback";
+            this.panelFeedback.Size = new System.Drawing.Size(322, 80);
+            this.panelFeedback.TabIndex = 1;
+            // 
+            // labelDataCollectionLink
+            // 
+            this.labelDataCollectionLink.AutoSize = true;
+            this.labelDataCollectionLink.LinkArea = new System.Windows.Forms.LinkArea(1, 10);
+            this.labelDataCollectionLink.LinkBehavior = System.Windows.Forms.LinkBehavior.HoverUnderline;
+            this.labelDataCollectionLink.Location = new System.Drawing.Point(141, 60);
+            this.labelDataCollectionLink.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelDataCollectionLink.Name = "labelDataCollectionLink";
+            this.labelDataCollectionLink.Size = new System.Drawing.Size(66, 17);
+            this.labelDataCollectionLink.TabIndex = 3;
+            this.labelDataCollectionLink.TabStop = true;
+            this.labelDataCollectionLink.Text = "(learn more)";
+            this.labelDataCollectionLink.UseCompatibleTextRendering = true;
+            this.labelDataCollectionLink.LinkClicked += new System.Windows.Forms.LinkLabelLinkClickedEventHandler(this.labelDataCollectionLink_LinkClicked);
+            // 
+            // checkDataCollection
+            // 
+            this.checkDataCollection.AutoSize = true;
+            this.checkDataCollection.Location = new System.Drawing.Point(6, 59);
+            this.checkDataCollection.Margin = new System.Windows.Forms.Padding(6, 5, 0, 3);
+            this.checkDataCollection.Name = "checkDataCollection";
+            this.checkDataCollection.Size = new System.Drawing.Size(135, 17);
+            this.checkDataCollection.TabIndex = 2;
+            this.checkDataCollection.Text = "Send Anonymous Data";
+            this.checkDataCollection.UseVisualStyleBackColor = true;
+            // 
+            // labelDataCollection
+            // 
+            this.labelDataCollection.AutoSize = true;
+            this.labelDataCollection.Location = new System.Drawing.Point(3, 41);
+            this.labelDataCollection.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelDataCollection.Name = "labelDataCollection";
+            this.labelDataCollection.Size = new System.Drawing.Size(79, 13);
+            this.labelDataCollection.TabIndex = 1;
+            this.labelDataCollection.Text = "Data Collection";
+            // 
+            // labelFeedback
+            // 
+            this.labelFeedback.AutoSize = true;
+            this.labelFeedback.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelFeedback.Location = new System.Drawing.Point(6, 8);
+            this.labelFeedback.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelFeedback.Name = "labelFeedback";
+            this.labelFeedback.Size = new System.Drawing.Size(80, 20);
+            this.labelFeedback.TabIndex = 0;
+            this.labelFeedback.Text = "Feedback";
+            // 
+            // btnSendFeedback
+            // 
+            this.btnSendFeedback.AutoSize = true;
+            this.btnSendFeedback.Location = new System.Drawing.Point(5, 3);
+            this.btnSendFeedback.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnSendFeedback.Name = "btnSendFeedback";
+            this.btnSendFeedback.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnSendFeedback.Size = new System.Drawing.Size(164, 23);
+            this.btnSendFeedback.TabIndex = 0;
+            this.btnSendFeedback.Text = "Send Feedback / Bug Report";
+            this.btnSendFeedback.UseVisualStyleBackColor = true;
+            // 
+            // TabSettingsFeedback
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.panelFeedback);
+            this.Controls.Add(this.labelFeedback);
+            this.Name = "TabSettingsFeedback";
+            this.Size = new System.Drawing.Size(340, 122);
+            this.panelFeedback.ResumeLayout(false);
+            this.panelFeedback.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Panel panelFeedback;
+        private System.Windows.Forms.CheckBox checkDataCollection;
+        private System.Windows.Forms.Label labelDataCollection;
+        private System.Windows.Forms.Label labelFeedback;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.LinkLabel labelDataCollectionLink;
+        private System.Windows.Forms.Button btnSendFeedback;
+    }
+}

Core/Other/Settings/TabSettingsFeedback.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsFeedback : BaseTabSettings{
+        public TabSettingsFeedback(){
+            InitializeComponent();
+            
+            checkDataCollection.Checked = Config.AllowDataCollection;
+        }
+
+        public override void OnReady(){
+            btnSendFeedback.Click += btnSendFeedback_Click;
+            checkDataCollection.CheckedChanged += checkDataCollection_CheckedChanged;
+        }
+
+        private void btnSendFeedback_Click(object sender, EventArgs e){
+            BrowserUtils.OpenExternalBrowserUnsafe("https://github.com/chylex/TweetDuck/issues/new");
+        }
+
+        private void checkDataCollection_CheckedChanged(object sender, EventArgs e){
+            Config.AllowDataCollection = checkDataCollection.Checked;
+        }
+
+        private void labelDataCollectionLink_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e){
+            BrowserUtils.OpenExternalBrowserUnsafe("https://github.com/chylex/TweetDuck/wiki/Send-anonymous-data");
+        }
+    }
+}

Core/Other/Settings/TabSettingsGeneral.Designer.cs

@@ -0,0 +1,262 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsGeneral {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.checkExpandLinks = new System.Windows.Forms.CheckBox();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.checkSpellCheck = new System.Windows.Forms.CheckBox();
+            this.checkUpdateNotifications = new System.Windows.Forms.CheckBox();
+            this.btnCheckUpdates = new System.Windows.Forms.Button();
+            this.labelZoomValue = new System.Windows.Forms.Label();
+            this.checkSwitchAccountSelectors = new System.Windows.Forms.CheckBox();
+            this.checkBestImageQuality = new System.Windows.Forms.CheckBox();
+            this.checkOpenSearchInFirstColumn = new System.Windows.Forms.CheckBox();
+            this.trackBarZoom = new System.Windows.Forms.TrackBar();
+            this.labelZoom = new System.Windows.Forms.Label();
+            this.zoomUpdateTimer = new System.Windows.Forms.Timer(this.components);
+            this.labelUI = new System.Windows.Forms.Label();
+            this.panelUI = new System.Windows.Forms.Panel();
+            this.panelUpdates = new System.Windows.Forms.Panel();
+            this.labelUpdates = new System.Windows.Forms.Label();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarZoom)).BeginInit();
+            this.panelUI.SuspendLayout();
+            this.panelUpdates.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // checkExpandLinks
+            // 
+            this.checkExpandLinks.AutoSize = true;
+            this.checkExpandLinks.Location = new System.Drawing.Point(6, 5);
+            this.checkExpandLinks.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkExpandLinks.Name = "checkExpandLinks";
+            this.checkExpandLinks.Size = new System.Drawing.Size(166, 17);
+            this.checkExpandLinks.TabIndex = 0;
+            this.checkExpandLinks.Text = "Expand Links When Hovered";
+            this.toolTip.SetToolTip(this.checkExpandLinks, "Expands links inside the tweets. If disabled,\r\nthe full links show up in a tooltip instead.");
+            this.checkExpandLinks.UseVisualStyleBackColor = true;
+            // 
+            // checkSpellCheck
+            // 
+            this.checkSpellCheck.AutoSize = true;
+            this.checkSpellCheck.Location = new System.Drawing.Point(6, 97);
+            this.checkSpellCheck.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkSpellCheck.Name = "checkSpellCheck";
+            this.checkSpellCheck.Size = new System.Drawing.Size(119, 17);
+            this.checkSpellCheck.TabIndex = 4;
+            this.checkSpellCheck.Text = "Enable Spell Check";
+            this.toolTip.SetToolTip(this.checkSpellCheck, "Underlines words that are spelled incorrectly.");
+            this.checkSpellCheck.UseVisualStyleBackColor = true;
+            // 
+            // checkUpdateNotifications
+            // 
+            this.checkUpdateNotifications.AutoSize = true;
+            this.checkUpdateNotifications.Location = new System.Drawing.Point(6, 5);
+            this.checkUpdateNotifications.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkUpdateNotifications.Name = "checkUpdateNotifications";
+            this.checkUpdateNotifications.Size = new System.Drawing.Size(165, 17);
+            this.checkUpdateNotifications.TabIndex = 0;
+            this.checkUpdateNotifications.Text = "Check Updates Automatically";
+            this.toolTip.SetToolTip(this.checkUpdateNotifications, "Checks for updates every hour.\r\nIf an update is dismissed, it will not appear again.");
+            this.checkUpdateNotifications.UseVisualStyleBackColor = true;
+            // 
+            // btnCheckUpdates
+            // 
+            this.btnCheckUpdates.Location = new System.Drawing.Point(5, 28);
+            this.btnCheckUpdates.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.btnCheckUpdates.Name = "btnCheckUpdates";
+            this.btnCheckUpdates.Size = new System.Drawing.Size(144, 23);
+            this.btnCheckUpdates.TabIndex = 1;
+            this.btnCheckUpdates.Text = "Check Updates Now";
+            this.toolTip.SetToolTip(this.btnCheckUpdates, "Forces an update check, even for updates that had been dismissed.");
+            this.btnCheckUpdates.UseVisualStyleBackColor = true;
+            // 
+            // labelZoomValue
+            // 
+            this.labelZoomValue.BackColor = System.Drawing.Color.Transparent;
+            this.labelZoomValue.Location = new System.Drawing.Point(147, 146);
+            this.labelZoomValue.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelZoomValue.Name = "labelZoomValue";
+            this.labelZoomValue.Size = new System.Drawing.Size(38, 13);
+            this.labelZoomValue.TabIndex = 7;
+            this.labelZoomValue.Text = "100%";
+            this.labelZoomValue.TextAlign = System.Drawing.ContentAlignment.TopRight;
+            this.toolTip.SetToolTip(this.labelZoomValue, "Changes the zoom level.\r\nAlso affects notifications and screenshots.");
+            // 
+            // checkSwitchAccountSelectors
+            // 
+            this.checkSwitchAccountSelectors.AutoSize = true;
+            this.checkSwitchAccountSelectors.Location = new System.Drawing.Point(6, 28);
+            this.checkSwitchAccountSelectors.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkSwitchAccountSelectors.Name = "checkSwitchAccountSelectors";
+            this.checkSwitchAccountSelectors.Size = new System.Drawing.Size(172, 17);
+            this.checkSwitchAccountSelectors.TabIndex = 1;
+            this.checkSwitchAccountSelectors.Text = "Shift Selects Multiple Accounts";
+            this.toolTip.SetToolTip(this.checkSwitchAccountSelectors, "When (re)tweeting, click to select a single account or hold Shift to\r\nselect multiple accounts, instead of TweetDeck\'s default behavior.");
+            this.checkSwitchAccountSelectors.UseVisualStyleBackColor = true;
+            // 
+            // checkBestImageQuality
+            // 
+            this.checkBestImageQuality.AutoSize = true;
+            this.checkBestImageQuality.Location = new System.Drawing.Point(6, 74);
+            this.checkBestImageQuality.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkBestImageQuality.Name = "checkBestImageQuality";
+            this.checkBestImageQuality.Size = new System.Drawing.Size(114, 17);
+            this.checkBestImageQuality.TabIndex = 3;
+            this.checkBestImageQuality.Text = "Best Image Quality";
+            this.toolTip.SetToolTip(this.checkBestImageQuality, "When right-clicking a tweet image, the context menu options\r\nwill use links to the original image size (:orig in the URL).");
+            this.checkBestImageQuality.UseVisualStyleBackColor = true;
+            // 
+            // checkOpenSearchInFirstColumn
+            // 
+            this.checkOpenSearchInFirstColumn.AutoSize = true;
+            this.checkOpenSearchInFirstColumn.Location = new System.Drawing.Point(6, 51);
+            this.checkOpenSearchInFirstColumn.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkOpenSearchInFirstColumn.Name = "checkOpenSearchInFirstColumn";
+            this.checkOpenSearchInFirstColumn.Size = new System.Drawing.Size(219, 17);
+            this.checkOpenSearchInFirstColumn.TabIndex = 2;
+            this.checkOpenSearchInFirstColumn.Text = "Add Search Columns Before First Column";
+            this.toolTip.SetToolTip(this.checkOpenSearchInFirstColumn, "By default, TweetDeck adds Search columns at the end.\r\nThis option makes them appear before the first column instead.");
+            this.checkOpenSearchInFirstColumn.UseVisualStyleBackColor = true;
+            // 
+            // trackBarZoom
+            // 
+            this.trackBarZoom.AutoSize = false;
+            this.trackBarZoom.BackColor = System.Drawing.SystemColors.Control;
+            this.trackBarZoom.LargeChange = 25;
+            this.trackBarZoom.Location = new System.Drawing.Point(3, 145);
+            this.trackBarZoom.Maximum = 200;
+            this.trackBarZoom.Minimum = 50;
+            this.trackBarZoom.Name = "trackBarZoom";
+            this.trackBarZoom.Size = new System.Drawing.Size(148, 30);
+            this.trackBarZoom.SmallChange = 5;
+            this.trackBarZoom.TabIndex = 6;
+            this.trackBarZoom.TickFrequency = 25;
+            this.trackBarZoom.Value = 100;
+            // 
+            // labelZoom
+            // 
+            this.labelZoom.AutoSize = true;
+            this.labelZoom.Location = new System.Drawing.Point(3, 129);
+            this.labelZoom.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelZoom.Name = "labelZoom";
+            this.labelZoom.Size = new System.Drawing.Size(34, 13);
+            this.labelZoom.TabIndex = 5;
+            this.labelZoom.Text = "Zoom";
+            // 
+            // zoomUpdateTimer
+            // 
+            this.zoomUpdateTimer.Interval = 250;
+            this.zoomUpdateTimer.Tick += new System.EventHandler(this.zoomUpdateTimer_Tick);
+            // 
+            // labelUI
+            // 
+            this.labelUI.AutoSize = true;
+            this.labelUI.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelUI.Location = new System.Drawing.Point(6, 8);
+            this.labelUI.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelUI.Name = "labelUI";
+            this.labelUI.Size = new System.Drawing.Size(111, 20);
+            this.labelUI.TabIndex = 0;
+            this.labelUI.Text = "User Interface";
+            // 
+            // panelUI
+            // 
+            this.panelUI.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelUI.Controls.Add(this.checkOpenSearchInFirstColumn);
+            this.panelUI.Controls.Add(this.checkBestImageQuality);
+            this.panelUI.Controls.Add(this.checkExpandLinks);
+            this.panelUI.Controls.Add(this.checkSwitchAccountSelectors);
+            this.panelUI.Controls.Add(this.checkSpellCheck);
+            this.panelUI.Controls.Add(this.labelZoom);
+            this.panelUI.Controls.Add(this.trackBarZoom);
+            this.panelUI.Controls.Add(this.labelZoomValue);
+            this.panelUI.Location = new System.Drawing.Point(9, 31);
+            this.panelUI.Name = "panelUI";
+            this.panelUI.Size = new System.Drawing.Size(322, 179);
+            this.panelUI.TabIndex = 1;
+            // 
+            // panelUpdates
+            // 
+            this.panelUpdates.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelUpdates.Controls.Add(this.checkUpdateNotifications);
+            this.panelUpdates.Controls.Add(this.btnCheckUpdates);
+            this.panelUpdates.Location = new System.Drawing.Point(9, 257);
+            this.panelUpdates.Name = "panelUpdates";
+            this.panelUpdates.Size = new System.Drawing.Size(322, 55);
+            this.panelUpdates.TabIndex = 3;
+            // 
+            // labelUpdates
+            // 
+            this.labelUpdates.AutoSize = true;
+            this.labelUpdates.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelUpdates.Location = new System.Drawing.Point(6, 234);
+            this.labelUpdates.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelUpdates.Name = "labelUpdates";
+            this.labelUpdates.Size = new System.Drawing.Size(70, 20);
+            this.labelUpdates.TabIndex = 2;
+            this.labelUpdates.Text = "Updates";
+            // 
+            // TabSettingsGeneral
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.labelUpdates);
+            this.Controls.Add(this.panelUpdates);
+            this.Controls.Add(this.panelUI);
+            this.Controls.Add(this.labelUI);
+            this.Name = "TabSettingsGeneral";
+            this.Size = new System.Drawing.Size(340, 322);
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarZoom)).EndInit();
+            this.panelUI.ResumeLayout(false);
+            this.panelUI.PerformLayout();
+            this.panelUpdates.ResumeLayout(false);
+            this.panelUpdates.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.CheckBox checkExpandLinks;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.CheckBox checkSpellCheck;
+        private System.Windows.Forms.CheckBox checkUpdateNotifications;
+        private System.Windows.Forms.Button btnCheckUpdates;
+        private System.Windows.Forms.Label labelZoom;
+        private System.Windows.Forms.Label labelZoomValue;
+        private System.Windows.Forms.TrackBar trackBarZoom;
+        private System.Windows.Forms.Timer zoomUpdateTimer;
+        private System.Windows.Forms.CheckBox checkSwitchAccountSelectors;
+        private System.Windows.Forms.Label labelUI;
+        private System.Windows.Forms.Panel panelUI;
+        private System.Windows.Forms.Panel panelUpdates;
+        private System.Windows.Forms.Label labelUpdates;
+        private System.Windows.Forms.CheckBox checkBestImageQuality;
+        private System.Windows.Forms.CheckBox checkOpenSearchInFirstColumn;
+    }
+}

Core/Other/Settings/TabSettingsGeneral.cs

@@ -0,0 +1,103 @@
+using System;
+using TweetDuck.Core.Controls;
+using TweetDuck.Updates;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsGeneral : BaseTabSettings{
+        private readonly UpdateHandler updates;
+        private int updateCheckEventId = -1;
+
+        public TabSettingsGeneral(UpdateHandler updates){
+            InitializeComponent();
+
+            this.updates = updates;
+            this.updates.CheckFinished += updates_CheckFinished;
+            Disposed += (sender, args) => this.updates.CheckFinished -= updates_CheckFinished;
+            
+            toolTip.SetToolTip(trackBarZoom, toolTip.GetToolTip(labelZoomValue));
+            trackBarZoom.SetValueSafe(Config.ZoomLevel);
+            labelZoomValue.Text = trackBarZoom.Value+"%";
+
+            checkExpandLinks.Checked = Config.ExpandLinksOnHover;
+            checkSwitchAccountSelectors.Checked = Config.SwitchAccountSelectors;
+            checkOpenSearchInFirstColumn.Checked = Config.OpenSearchInFirstColumn;
+            checkBestImageQuality.Checked = Config.BestImageQuality;
+            checkSpellCheck.Checked = Config.EnableSpellCheck;
+
+            checkUpdateNotifications.Checked = Config.EnableUpdateCheck;
+        }
+
+        public override void OnReady(){
+            checkExpandLinks.CheckedChanged += checkExpandLinks_CheckedChanged;
+            checkSwitchAccountSelectors.CheckedChanged += checkSwitchAccountSelectors_CheckedChanged;
+            checkOpenSearchInFirstColumn.CheckedChanged += checkOpenSearchInFirstColumn_CheckedChanged;
+            checkBestImageQuality.CheckedChanged += checkBestImageQuality_CheckedChanged;
+            checkSpellCheck.CheckedChanged += checkSpellCheck_CheckedChanged;
+            trackBarZoom.ValueChanged += trackBarZoom_ValueChanged;
+
+            checkUpdateNotifications.CheckedChanged += checkUpdateNotifications_CheckedChanged;
+            btnCheckUpdates.Click += btnCheckUpdates_Click;
+        }
+
+        public override void OnClosing(){
+            Config.ZoomLevel = trackBarZoom.Value;
+        }
+
+        private void checkExpandLinks_CheckedChanged(object sender, EventArgs e){
+            Config.ExpandLinksOnHover = checkExpandLinks.Checked;
+        }
+
+        private void checkSwitchAccountSelectors_CheckedChanged(object sender, EventArgs e){
+            Config.SwitchAccountSelectors = checkSwitchAccountSelectors.Checked;
+        }
+
+        private void checkOpenSearchInFirstColumn_CheckedChanged(object sender, EventArgs e){
+            Config.OpenSearchInFirstColumn = checkOpenSearchInFirstColumn.Checked;
+        }
+
+        private void checkBestImageQuality_CheckedChanged(object sender, EventArgs e){
+            Config.BestImageQuality = checkBestImageQuality.Checked;
+        }
+
+        private void checkSpellCheck_CheckedChanged(object sender, EventArgs e){
+            Config.EnableSpellCheck = checkSpellCheck.Checked;
+            PromptRestart();
+        }
+
+        private void trackBarZoom_ValueChanged(object sender, EventArgs e){
+            if (trackBarZoom.AlignValueToTick()){
+                zoomUpdateTimer.Stop();
+                zoomUpdateTimer.Start();
+                labelZoomValue.Text = trackBarZoom.Value+"%";
+            }
+        }
+
+        private void checkUpdateNotifications_CheckedChanged(object sender, EventArgs e){
+            Config.EnableUpdateCheck = checkUpdateNotifications.Checked;
+        }
+
+        private void btnCheckUpdates_Click(object sender, EventArgs e){
+            Config.DismissedUpdate = null;
+
+            btnCheckUpdates.Enabled = false;
+            updateCheckEventId = updates.Check(true);
+        }
+
+        private void updates_CheckFinished(object sender, UpdateEventArgs e){
+            this.InvokeAsyncSafe(() => {
+                if (e.EventId == updateCheckEventId){
+                    btnCheckUpdates.Enabled = true;
+
+                    if (!e.IsUpdateAvailable){
+                        FormMessage.Information("No Updates Available", "Your version of TweetDuck is up to date.", FormMessage.OK);
+                    }
+                }
+            });
+        }
+
+        private void zoomUpdateTimer_Tick(object sender, EventArgs e){
+            Config.ZoomLevel = trackBarZoom.Value;
+            zoomUpdateTimer.Stop();
+        }
+    }
+}

Core/Other/Settings/TabSettingsNotifications.Designer.cs

@@ -0,0 +1,620 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsNotifications {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.labelEdgeDistanceValue = new System.Windows.Forms.Label();
+            this.labelDisplay = new System.Windows.Forms.Label();
+            this.comboBoxDisplay = new System.Windows.Forms.ComboBox();
+            this.labelEdgeDistance = new System.Windows.Forms.Label();
+            this.radioLocCustom = new System.Windows.Forms.RadioButton();
+            this.radioLocBR = new System.Windows.Forms.RadioButton();
+            this.radioLocBL = new System.Windows.Forms.RadioButton();
+            this.radioLocTR = new System.Windows.Forms.RadioButton();
+            this.radioLocTL = new System.Windows.Forms.RadioButton();
+            this.trackBarEdgeDistance = new System.Windows.Forms.TrackBar();
+            this.tableLayoutDurationButtons = new System.Windows.Forms.TableLayoutPanel();
+            this.btnDurationMedium = new TweetDuck.Core.Controls.FlatButton();
+            this.btnDurationLong = new TweetDuck.Core.Controls.FlatButton();
+            this.btnDurationShort = new TweetDuck.Core.Controls.FlatButton();
+            this.labelDurationValue = new System.Windows.Forms.Label();
+            this.trackBarDuration = new System.Windows.Forms.TrackBar();
+            this.checkSkipOnLinkClick = new System.Windows.Forms.CheckBox();
+            this.checkColumnName = new System.Windows.Forms.CheckBox();
+            this.labelIdlePause = new System.Windows.Forms.Label();
+            this.comboBoxIdlePause = new System.Windows.Forms.ComboBox();
+            this.checkNonIntrusive = new System.Windows.Forms.CheckBox();
+            this.checkTimerCountDown = new System.Windows.Forms.CheckBox();
+            this.checkNotificationTimer = new System.Windows.Forms.CheckBox();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.radioSizeAuto = new System.Windows.Forms.RadioButton();
+            this.radioSizeCustom = new System.Windows.Forms.RadioButton();
+            this.labelGeneral = new System.Windows.Forms.Label();
+            this.panelGeneral = new System.Windows.Forms.Panel();
+            this.labelScrollSpeedValue = new System.Windows.Forms.Label();
+            this.trackBarScrollSpeed = new System.Windows.Forms.TrackBar();
+            this.labelScrollSpeed = new System.Windows.Forms.Label();
+            this.labelLocation = new System.Windows.Forms.Label();
+            this.panelLocation = new System.Windows.Forms.Panel();
+            this.panelTimer = new System.Windows.Forms.Panel();
+            this.labelDuration = new System.Windows.Forms.Label();
+            this.labelTimer = new System.Windows.Forms.Label();
+            this.labelSize = new System.Windows.Forms.Label();
+            this.panelMiscellaneous = new System.Windows.Forms.Panel();
+            this.durationUpdateTimer = new System.Windows.Forms.Timer(this.components);
+            this.checkMediaPreviews = new System.Windows.Forms.CheckBox();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarEdgeDistance)).BeginInit();
+            this.tableLayoutDurationButtons.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarDuration)).BeginInit();
+            this.panelGeneral.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarScrollSpeed)).BeginInit();
+            this.panelLocation.SuspendLayout();
+            this.panelTimer.SuspendLayout();
+            this.panelMiscellaneous.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // labelEdgeDistanceValue
+            // 
+            this.labelEdgeDistanceValue.Location = new System.Drawing.Point(147, 129);
+            this.labelEdgeDistanceValue.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelEdgeDistanceValue.Name = "labelEdgeDistanceValue";
+            this.labelEdgeDistanceValue.Size = new System.Drawing.Size(40, 13);
+            this.labelEdgeDistanceValue.TabIndex = 9;
+            this.labelEdgeDistanceValue.Text = "0 px";
+            this.labelEdgeDistanceValue.TextAlign = System.Drawing.ContentAlignment.TopRight;
+            // 
+            // labelDisplay
+            // 
+            this.labelDisplay.AutoSize = true;
+            this.labelDisplay.Location = new System.Drawing.Point(3, 60);
+            this.labelDisplay.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelDisplay.Name = "labelDisplay";
+            this.labelDisplay.Size = new System.Drawing.Size(41, 13);
+            this.labelDisplay.TabIndex = 5;
+            this.labelDisplay.Text = "Display";
+            // 
+            // comboBoxDisplay
+            // 
+            this.comboBoxDisplay.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.comboBoxDisplay.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxDisplay.FormattingEnabled = true;
+            this.comboBoxDisplay.Location = new System.Drawing.Point(5, 76);
+            this.comboBoxDisplay.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.comboBoxDisplay.Name = "comboBoxDisplay";
+            this.comboBoxDisplay.Size = new System.Drawing.Size(144, 21);
+            this.comboBoxDisplay.TabIndex = 6;
+            // 
+            // labelEdgeDistance
+            // 
+            this.labelEdgeDistance.AutoSize = true;
+            this.labelEdgeDistance.Location = new System.Drawing.Point(3, 112);
+            this.labelEdgeDistance.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelEdgeDistance.Name = "labelEdgeDistance";
+            this.labelEdgeDistance.Size = new System.Drawing.Size(103, 13);
+            this.labelEdgeDistance.TabIndex = 7;
+            this.labelEdgeDistance.Text = "Distance From Edge";
+            // 
+            // radioLocCustom
+            // 
+            this.radioLocCustom.Location = new System.Drawing.Point(205, 4);
+            this.radioLocCustom.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioLocCustom.Name = "radioLocCustom";
+            this.radioLocCustom.Size = new System.Drawing.Size(65, 41);
+            this.radioLocCustom.TabIndex = 4;
+            this.radioLocCustom.TabStop = true;
+            this.radioLocCustom.Text = "Custom";
+            this.toolTip.SetToolTip(this.radioLocCustom, "Drag the example notification window to the desired location.");
+            this.radioLocCustom.UseVisualStyleBackColor = true;
+            // 
+            // radioLocBR
+            // 
+            this.radioLocBR.Location = new System.Drawing.Point(105, 28);
+            this.radioLocBR.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioLocBR.Name = "radioLocBR";
+            this.radioLocBR.Size = new System.Drawing.Size(92, 17);
+            this.radioLocBR.TabIndex = 3;
+            this.radioLocBR.TabStop = true;
+            this.radioLocBR.Text = "Bottom Right";
+            this.radioLocBR.UseVisualStyleBackColor = true;
+            // 
+            // radioLocBL
+            // 
+            this.radioLocBL.Location = new System.Drawing.Point(5, 28);
+            this.radioLocBL.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioLocBL.Name = "radioLocBL";
+            this.radioLocBL.Size = new System.Drawing.Size(92, 17);
+            this.radioLocBL.TabIndex = 2;
+            this.radioLocBL.TabStop = true;
+            this.radioLocBL.Text = "Bottom Left";
+            this.radioLocBL.UseVisualStyleBackColor = true;
+            // 
+            // radioLocTR
+            // 
+            this.radioLocTR.Location = new System.Drawing.Point(105, 4);
+            this.radioLocTR.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioLocTR.Name = "radioLocTR";
+            this.radioLocTR.Size = new System.Drawing.Size(92, 17);
+            this.radioLocTR.TabIndex = 1;
+            this.radioLocTR.TabStop = true;
+            this.radioLocTR.Text = "Top Right";
+            this.radioLocTR.UseVisualStyleBackColor = true;
+            // 
+            // radioLocTL
+            // 
+            this.radioLocTL.Location = new System.Drawing.Point(5, 4);
+            this.radioLocTL.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioLocTL.Name = "radioLocTL";
+            this.radioLocTL.Size = new System.Drawing.Size(92, 17);
+            this.radioLocTL.TabIndex = 0;
+            this.radioLocTL.TabStop = true;
+            this.radioLocTL.Text = "Top Left";
+            this.radioLocTL.UseVisualStyleBackColor = true;
+            // 
+            // trackBarEdgeDistance
+            // 
+            this.trackBarEdgeDistance.AutoSize = false;
+            this.trackBarEdgeDistance.LargeChange = 8;
+            this.trackBarEdgeDistance.Location = new System.Drawing.Point(5, 128);
+            this.trackBarEdgeDistance.Maximum = 40;
+            this.trackBarEdgeDistance.Minimum = 8;
+            this.trackBarEdgeDistance.Name = "trackBarEdgeDistance";
+            this.trackBarEdgeDistance.Size = new System.Drawing.Size(148, 30);
+            this.trackBarEdgeDistance.SmallChange = 2;
+            this.trackBarEdgeDistance.TabIndex = 8;
+            this.trackBarEdgeDistance.TickFrequency = 4;
+            this.trackBarEdgeDistance.Value = 8;
+            // 
+            // tableLayoutDurationButtons
+            // 
+            this.tableLayoutDurationButtons.ColumnCount = 3;
+            this.tableLayoutDurationButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 32F));
+            this.tableLayoutDurationButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 36F));
+            this.tableLayoutDurationButtons.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 32F));
+            this.tableLayoutDurationButtons.Controls.Add(this.btnDurationMedium, 0, 0);
+            this.tableLayoutDurationButtons.Controls.Add(this.btnDurationLong, 1, 0);
+            this.tableLayoutDurationButtons.Controls.Add(this.btnDurationShort, 0, 0);
+            this.tableLayoutDurationButtons.Location = new System.Drawing.Point(3, 113);
+            this.tableLayoutDurationButtons.Name = "tableLayoutDurationButtons";
+            this.tableLayoutDurationButtons.RowCount = 1;
+            this.tableLayoutDurationButtons.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F));
+            this.tableLayoutDurationButtons.Size = new System.Drawing.Size(171, 27);
+            this.tableLayoutDurationButtons.TabIndex = 5;
+            // 
+            // btnDurationMedium
+            // 
+            this.btnDurationMedium.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.btnDurationMedium.FlatAppearance.BorderColor = System.Drawing.Color.Gray;
+            this.btnDurationMedium.FlatAppearance.MouseDownBackColor = System.Drawing.SystemColors.ControlLight;
+            this.btnDurationMedium.FlatAppearance.MouseOverBackColor = System.Drawing.Color.White;
+            this.btnDurationMedium.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.btnDurationMedium.Location = new System.Drawing.Point(55, 1);
+            this.btnDurationMedium.Margin = new System.Windows.Forms.Padding(1);
+            this.btnDurationMedium.Name = "btnDurationMedium";
+            this.btnDurationMedium.Size = new System.Drawing.Size(59, 25);
+            this.btnDurationMedium.TabIndex = 1;
+            this.btnDurationMedium.Text = "Medium";
+            this.btnDurationMedium.UseVisualStyleBackColor = true;
+            // 
+            // btnDurationLong
+            // 
+            this.btnDurationLong.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.btnDurationLong.FlatAppearance.BorderColor = System.Drawing.Color.Gray;
+            this.btnDurationLong.FlatAppearance.MouseDownBackColor = System.Drawing.SystemColors.ControlLight;
+            this.btnDurationLong.FlatAppearance.MouseOverBackColor = System.Drawing.Color.White;
+            this.btnDurationLong.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.btnDurationLong.Location = new System.Drawing.Point(116, 1);
+            this.btnDurationLong.Margin = new System.Windows.Forms.Padding(1);
+            this.btnDurationLong.Name = "btnDurationLong";
+            this.btnDurationLong.Size = new System.Drawing.Size(54, 25);
+            this.btnDurationLong.TabIndex = 2;
+            this.btnDurationLong.Text = "Long";
+            this.btnDurationLong.UseVisualStyleBackColor = true;
+            // 
+            // btnDurationShort
+            // 
+            this.btnDurationShort.Dock = System.Windows.Forms.DockStyle.Fill;
+            this.btnDurationShort.FlatAppearance.BorderColor = System.Drawing.Color.Gray;
+            this.btnDurationShort.FlatAppearance.MouseDownBackColor = System.Drawing.SystemColors.ControlLight;
+            this.btnDurationShort.FlatAppearance.MouseOverBackColor = System.Drawing.Color.White;
+            this.btnDurationShort.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.btnDurationShort.Location = new System.Drawing.Point(1, 1);
+            this.btnDurationShort.Margin = new System.Windows.Forms.Padding(1);
+            this.btnDurationShort.Name = "btnDurationShort";
+            this.btnDurationShort.Size = new System.Drawing.Size(52, 25);
+            this.btnDurationShort.TabIndex = 0;
+            this.btnDurationShort.Text = "Short";
+            this.btnDurationShort.UseVisualStyleBackColor = true;
+            // 
+            // labelDurationValue
+            // 
+            this.labelDurationValue.BackColor = System.Drawing.Color.Transparent;
+            this.labelDurationValue.Location = new System.Drawing.Point(147, 77);
+            this.labelDurationValue.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelDurationValue.Name = "labelDurationValue";
+            this.labelDurationValue.Size = new System.Drawing.Size(52, 13);
+            this.labelDurationValue.TabIndex = 4;
+            this.labelDurationValue.Text = "0 ms/c";
+            this.labelDurationValue.TextAlign = System.Drawing.ContentAlignment.TopRight;
+            this.toolTip.SetToolTip(this.labelDurationValue, "Milliseconds per character.");
+            // 
+            // trackBarDuration
+            // 
+            this.trackBarDuration.AutoSize = false;
+            this.trackBarDuration.Location = new System.Drawing.Point(3, 76);
+            this.trackBarDuration.Maximum = 60;
+            this.trackBarDuration.Minimum = 10;
+            this.trackBarDuration.Name = "trackBarDuration";
+            this.trackBarDuration.Size = new System.Drawing.Size(148, 30);
+            this.trackBarDuration.TabIndex = 3;
+            this.trackBarDuration.TickFrequency = 5;
+            this.trackBarDuration.Value = 25;
+            // 
+            // checkSkipOnLinkClick
+            // 
+            this.checkSkipOnLinkClick.AutoSize = true;
+            this.checkSkipOnLinkClick.Location = new System.Drawing.Point(6, 51);
+            this.checkSkipOnLinkClick.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkSkipOnLinkClick.Name = "checkSkipOnLinkClick";
+            this.checkSkipOnLinkClick.Size = new System.Drawing.Size(113, 17);
+            this.checkSkipOnLinkClick.TabIndex = 2;
+            this.checkSkipOnLinkClick.Text = "Skip On Link Click";
+            this.toolTip.SetToolTip(this.checkSkipOnLinkClick, "Skips current notification when a link\r\ninside the notification is clicked.");
+            this.checkSkipOnLinkClick.UseVisualStyleBackColor = true;
+            // 
+            // checkColumnName
+            // 
+            this.checkColumnName.AutoSize = true;
+            this.checkColumnName.Location = new System.Drawing.Point(6, 5);
+            this.checkColumnName.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkColumnName.Name = "checkColumnName";
+            this.checkColumnName.Size = new System.Drawing.Size(129, 17);
+            this.checkColumnName.TabIndex = 0;
+            this.checkColumnName.Text = "Display Column Name";
+            this.toolTip.SetToolTip(this.checkColumnName, "Shows column name each notification originated\r\nfrom in the notification window title.");
+            this.checkColumnName.UseVisualStyleBackColor = true;
+            // 
+            // labelIdlePause
+            // 
+            this.labelIdlePause.AutoSize = true;
+            this.labelIdlePause.Location = new System.Drawing.Point(3, 106);
+            this.labelIdlePause.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelIdlePause.Name = "labelIdlePause";
+            this.labelIdlePause.Size = new System.Drawing.Size(89, 13);
+            this.labelIdlePause.TabIndex = 4;
+            this.labelIdlePause.Text = "Pause When Idle";
+            // 
+            // comboBoxIdlePause
+            // 
+            this.comboBoxIdlePause.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxIdlePause.FormattingEnabled = true;
+            this.comboBoxIdlePause.Location = new System.Drawing.Point(5, 122);
+            this.comboBoxIdlePause.Margin = new System.Windows.Forms.Padding(5, 3, 3, 3);
+            this.comboBoxIdlePause.Name = "comboBoxIdlePause";
+            this.comboBoxIdlePause.Size = new System.Drawing.Size(144, 21);
+            this.comboBoxIdlePause.TabIndex = 5;
+            this.toolTip.SetToolTip(this.comboBoxIdlePause, "Pauses new notifications after going idle for a set amount of time.");
+            // 
+            // checkNonIntrusive
+            // 
+            this.checkNonIntrusive.AutoSize = true;
+            this.checkNonIntrusive.Location = new System.Drawing.Point(6, 74);
+            this.checkNonIntrusive.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkNonIntrusive.Name = "checkNonIntrusive";
+            this.checkNonIntrusive.Size = new System.Drawing.Size(128, 17);
+            this.checkNonIntrusive.TabIndex = 3;
+            this.checkNonIntrusive.Text = "Non-Intrusive Popups";
+            this.toolTip.SetToolTip(this.checkNonIntrusive, "When not idle and the cursor is within the notification window area,\r\nit will be delayed until the cursor moves away to prevent accidental clicks.");
+            this.checkNonIntrusive.UseVisualStyleBackColor = true;
+            // 
+            // checkTimerCountDown
+            // 
+            this.checkTimerCountDown.AutoSize = true;
+            this.checkTimerCountDown.Location = new System.Drawing.Point(6, 28);
+            this.checkTimerCountDown.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkTimerCountDown.Name = "checkTimerCountDown";
+            this.checkTimerCountDown.Size = new System.Drawing.Size(119, 17);
+            this.checkTimerCountDown.TabIndex = 1;
+            this.checkTimerCountDown.Text = "Timer Counts Down";
+            this.toolTip.SetToolTip(this.checkTimerCountDown, "The notification timer counts down instead of up.");
+            this.checkTimerCountDown.UseVisualStyleBackColor = true;
+            // 
+            // checkNotificationTimer
+            // 
+            this.checkNotificationTimer.AutoSize = true;
+            this.checkNotificationTimer.Location = new System.Drawing.Point(6, 5);
+            this.checkNotificationTimer.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkNotificationTimer.Name = "checkNotificationTimer";
+            this.checkNotificationTimer.Size = new System.Drawing.Size(145, 17);
+            this.checkNotificationTimer.TabIndex = 0;
+            this.checkNotificationTimer.Text = "Display Notification Timer";
+            this.checkNotificationTimer.UseVisualStyleBackColor = true;
+            // 
+            // radioSizeAuto
+            // 
+            this.radioSizeAuto.Location = new System.Drawing.Point(6, 4);
+            this.radioSizeAuto.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioSizeAuto.Name = "radioSizeAuto";
+            this.radioSizeAuto.Size = new System.Drawing.Size(92, 17);
+            this.radioSizeAuto.TabIndex = 0;
+            this.radioSizeAuto.TabStop = true;
+            this.radioSizeAuto.Text = "Auto";
+            this.toolTip.SetToolTip(this.radioSizeAuto, "Notification size is based on the font size and browser zoom level.");
+            this.radioSizeAuto.UseVisualStyleBackColor = true;
+            // 
+            // radioSizeCustom
+            // 
+            this.radioSizeCustom.Location = new System.Drawing.Point(106, 4);
+            this.radioSizeCustom.Margin = new System.Windows.Forms.Padding(5, 4, 3, 3);
+            this.radioSizeCustom.Name = "radioSizeCustom";
+            this.radioSizeCustom.Size = new System.Drawing.Size(92, 17);
+            this.radioSizeCustom.TabIndex = 1;
+            this.radioSizeCustom.TabStop = true;
+            this.radioSizeCustom.Text = "Custom";
+            this.toolTip.SetToolTip(this.radioSizeCustom, "Resize the example notification window to the desired size.");
+            this.radioSizeCustom.UseVisualStyleBackColor = true;
+            // 
+            // labelGeneral
+            // 
+            this.labelGeneral.AutoSize = true;
+            this.labelGeneral.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelGeneral.Location = new System.Drawing.Point(6, 8);
+            this.labelGeneral.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelGeneral.Name = "labelGeneral";
+            this.labelGeneral.Size = new System.Drawing.Size(66, 20);
+            this.labelGeneral.TabIndex = 0;
+            this.labelGeneral.Text = "General";
+            // 
+            // panelGeneral
+            // 
+            this.panelGeneral.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelGeneral.Controls.Add(this.checkMediaPreviews);
+            this.panelGeneral.Controls.Add(this.checkColumnName);
+            this.panelGeneral.Controls.Add(this.checkSkipOnLinkClick);
+            this.panelGeneral.Controls.Add(this.checkNonIntrusive);
+            this.panelGeneral.Controls.Add(this.labelIdlePause);
+            this.panelGeneral.Controls.Add(this.comboBoxIdlePause);
+            this.panelGeneral.Location = new System.Drawing.Point(9, 31);
+            this.panelGeneral.Name = "panelGeneral";
+            this.panelGeneral.Size = new System.Drawing.Size(322, 149);
+            this.panelGeneral.TabIndex = 1;
+            // 
+            // labelScrollSpeedValue
+            // 
+            this.labelScrollSpeedValue.Location = new System.Drawing.Point(147, 53);
+            this.labelScrollSpeedValue.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelScrollSpeedValue.Name = "labelScrollSpeedValue";
+            this.labelScrollSpeedValue.Size = new System.Drawing.Size(38, 13);
+            this.labelScrollSpeedValue.TabIndex = 4;
+            this.labelScrollSpeedValue.Text = "100%";
+            this.labelScrollSpeedValue.TextAlign = System.Drawing.ContentAlignment.TopRight;
+            // 
+            // trackBarScrollSpeed
+            // 
+            this.trackBarScrollSpeed.AutoSize = false;
+            this.trackBarScrollSpeed.LargeChange = 25;
+            this.trackBarScrollSpeed.Location = new System.Drawing.Point(5, 52);
+            this.trackBarScrollSpeed.Maximum = 200;
+            this.trackBarScrollSpeed.Minimum = 25;
+            this.trackBarScrollSpeed.Name = "trackBarScrollSpeed";
+            this.trackBarScrollSpeed.Size = new System.Drawing.Size(148, 30);
+            this.trackBarScrollSpeed.SmallChange = 5;
+            this.trackBarScrollSpeed.TabIndex = 3;
+            this.trackBarScrollSpeed.TickFrequency = 25;
+            this.trackBarScrollSpeed.Value = 100;
+            // 
+            // labelScrollSpeed
+            // 
+            this.labelScrollSpeed.AutoSize = true;
+            this.labelScrollSpeed.Location = new System.Drawing.Point(3, 36);
+            this.labelScrollSpeed.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelScrollSpeed.Name = "labelScrollSpeed";
+            this.labelScrollSpeed.Size = new System.Drawing.Size(67, 13);
+            this.labelScrollSpeed.TabIndex = 2;
+            this.labelScrollSpeed.Text = "Scroll Speed";
+            // 
+            // labelLocation
+            // 
+            this.labelLocation.AutoSize = true;
+            this.labelLocation.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelLocation.Location = new System.Drawing.Point(6, 395);
+            this.labelLocation.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelLocation.Name = "labelLocation";
+            this.labelLocation.Size = new System.Drawing.Size(70, 20);
+            this.labelLocation.TabIndex = 4;
+            this.labelLocation.Text = "Location";
+            // 
+            // panelLocation
+            // 
+            this.panelLocation.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelLocation.Controls.Add(this.radioLocTL);
+            this.panelLocation.Controls.Add(this.labelDisplay);
+            this.panelLocation.Controls.Add(this.trackBarEdgeDistance);
+            this.panelLocation.Controls.Add(this.comboBoxDisplay);
+            this.panelLocation.Controls.Add(this.radioLocTR);
+            this.panelLocation.Controls.Add(this.labelEdgeDistance);
+            this.panelLocation.Controls.Add(this.radioLocBL);
+            this.panelLocation.Controls.Add(this.radioLocCustom);
+            this.panelLocation.Controls.Add(this.radioLocBR);
+            this.panelLocation.Controls.Add(this.labelEdgeDistanceValue);
+            this.panelLocation.Location = new System.Drawing.Point(9, 418);
+            this.panelLocation.Name = "panelLocation";
+            this.panelLocation.Size = new System.Drawing.Size(322, 165);
+            this.panelLocation.TabIndex = 5;
+            // 
+            // panelTimer
+            // 
+            this.panelTimer.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelTimer.Controls.Add(this.labelDuration);
+            this.panelTimer.Controls.Add(this.checkNotificationTimer);
+            this.panelTimer.Controls.Add(this.tableLayoutDurationButtons);
+            this.panelTimer.Controls.Add(this.checkTimerCountDown);
+            this.panelTimer.Controls.Add(this.labelDurationValue);
+            this.panelTimer.Controls.Add(this.trackBarDuration);
+            this.panelTimer.Location = new System.Drawing.Point(9, 227);
+            this.panelTimer.Name = "panelTimer";
+            this.panelTimer.Size = new System.Drawing.Size(322, 144);
+            this.panelTimer.TabIndex = 3;
+            // 
+            // labelDuration
+            // 
+            this.labelDuration.AutoSize = true;
+            this.labelDuration.Location = new System.Drawing.Point(3, 60);
+            this.labelDuration.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelDuration.Name = "labelDuration";
+            this.labelDuration.Size = new System.Drawing.Size(47, 13);
+            this.labelDuration.TabIndex = 2;
+            this.labelDuration.Text = "Duration";
+            // 
+            // labelTimer
+            // 
+            this.labelTimer.AutoSize = true;
+            this.labelTimer.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelTimer.Location = new System.Drawing.Point(6, 204);
+            this.labelTimer.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelTimer.Name = "labelTimer";
+            this.labelTimer.Size = new System.Drawing.Size(48, 20);
+            this.labelTimer.TabIndex = 2;
+            this.labelTimer.Text = "Timer";
+            // 
+            // labelSize
+            // 
+            this.labelSize.AutoSize = true;
+            this.labelSize.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelSize.Location = new System.Drawing.Point(6, 607);
+            this.labelSize.Margin = new System.Windows.Forms.Padding(0, 21, 0, 0);
+            this.labelSize.Name = "labelSize";
+            this.labelSize.Size = new System.Drawing.Size(40, 20);
+            this.labelSize.TabIndex = 6;
+            this.labelSize.Text = "Size";
+            // 
+            // panelMiscellaneous
+            // 
+            this.panelMiscellaneous.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelMiscellaneous.Controls.Add(this.radioSizeCustom);
+            this.panelMiscellaneous.Controls.Add(this.radioSizeAuto);
+            this.panelMiscellaneous.Controls.Add(this.labelScrollSpeedValue);
+            this.panelMiscellaneous.Controls.Add(this.trackBarScrollSpeed);
+            this.panelMiscellaneous.Controls.Add(this.labelScrollSpeed);
+            this.panelMiscellaneous.Location = new System.Drawing.Point(9, 630);
+            this.panelMiscellaneous.Name = "panelMiscellaneous";
+            this.panelMiscellaneous.Size = new System.Drawing.Size(322, 92);
+            this.panelMiscellaneous.TabIndex = 7;
+            // 
+            // durationUpdateTimer
+            // 
+            this.durationUpdateTimer.Interval = 200;
+            this.durationUpdateTimer.Tick += new System.EventHandler(this.durationUpdateTimer_Tick);
+            // 
+            // checkMediaPreviews
+            // 
+            this.checkMediaPreviews.AutoSize = true;
+            this.checkMediaPreviews.Location = new System.Drawing.Point(6, 28);
+            this.checkMediaPreviews.Margin = new System.Windows.Forms.Padding(6, 3, 3, 3);
+            this.checkMediaPreviews.Name = "checkMediaPreviews";
+            this.checkMediaPreviews.Size = new System.Drawing.Size(131, 17);
+            this.checkMediaPreviews.TabIndex = 1;
+            this.checkMediaPreviews.Text = "Show Media Previews";
+            this.toolTip.SetToolTip(this.checkMediaPreviews, "Shows image and video thumbnails in the notification window.");
+            this.checkMediaPreviews.UseVisualStyleBackColor = true;
+            // 
+            // TabSettingsNotifications
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.panelMiscellaneous);
+            this.Controls.Add(this.labelSize);
+            this.Controls.Add(this.labelTimer);
+            this.Controls.Add(this.panelLocation);
+            this.Controls.Add(this.labelLocation);
+            this.Controls.Add(this.panelGeneral);
+            this.Controls.Add(this.labelGeneral);
+            this.Controls.Add(this.panelTimer);
+            this.Name = "TabSettingsNotifications";
+            this.Size = new System.Drawing.Size(340, 731);
+            this.ParentChanged += new System.EventHandler(this.TabSettingsNotifications_ParentChanged);
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarEdgeDistance)).EndInit();
+            this.tableLayoutDurationButtons.ResumeLayout(false);
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarDuration)).EndInit();
+            this.panelGeneral.ResumeLayout(false);
+            this.panelGeneral.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarScrollSpeed)).EndInit();
+            this.panelLocation.ResumeLayout(false);
+            this.panelLocation.PerformLayout();
+            this.panelTimer.ResumeLayout(false);
+            this.panelTimer.PerformLayout();
+            this.panelMiscellaneous.ResumeLayout(false);
+            this.panelMiscellaneous.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+        private System.Windows.Forms.Label labelDisplay;
+        private System.Windows.Forms.ComboBox comboBoxDisplay;
+        private System.Windows.Forms.Label labelEdgeDistance;
+        private System.Windows.Forms.TrackBar trackBarEdgeDistance;
+        private System.Windows.Forms.RadioButton radioLocCustom;
+        private System.Windows.Forms.RadioButton radioLocBR;
+        private System.Windows.Forms.RadioButton radioLocBL;
+        private System.Windows.Forms.RadioButton radioLocTR;
+        private System.Windows.Forms.RadioButton radioLocTL;
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.Label labelEdgeDistanceValue;
+        private System.Windows.Forms.Label labelDurationValue;
+        private System.Windows.Forms.TrackBar trackBarDuration;
+        private System.Windows.Forms.TableLayoutPanel tableLayoutDurationButtons;
+        private TweetDuck.Core.Controls.FlatButton btnDurationMedium;
+        private TweetDuck.Core.Controls.FlatButton btnDurationLong;
+        private TweetDuck.Core.Controls.FlatButton btnDurationShort;
+        private System.Windows.Forms.CheckBox checkNonIntrusive;
+        private System.Windows.Forms.Label labelIdlePause;
+        private System.Windows.Forms.ComboBox comboBoxIdlePause;
+        private System.Windows.Forms.CheckBox checkColumnName;
+        private System.Windows.Forms.CheckBox checkSkipOnLinkClick;
+        private System.Windows.Forms.CheckBox checkTimerCountDown;
+        private System.Windows.Forms.CheckBox checkNotificationTimer;
+        private System.Windows.Forms.Label labelGeneral;
+        private System.Windows.Forms.Panel panelGeneral;
+        private System.Windows.Forms.Label labelLocation;
+        private System.Windows.Forms.Panel panelLocation;
+        private System.Windows.Forms.Panel panelTimer;
+        private System.Windows.Forms.Label labelTimer;
+        private System.Windows.Forms.Label labelScrollSpeedValue;
+        private System.Windows.Forms.TrackBar trackBarScrollSpeed;
+        private System.Windows.Forms.Label labelScrollSpeed;
+        private System.Windows.Forms.Label labelSize;
+        private System.Windows.Forms.Panel panelMiscellaneous;
+        private System.Windows.Forms.Label labelDuration;
+        private System.Windows.Forms.Timer durationUpdateTimer;
+        private System.Windows.Forms.RadioButton radioSizeCustom;
+        private System.Windows.Forms.RadioButton radioSizeAuto;
+        private System.Windows.Forms.CheckBox checkMediaPreviews;
+    }
+}

Core/Other/Settings/TabSettingsNotifications.cs

@@ -0,0 +1,262 @@
+using System;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Notification;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsNotifications : BaseTabSettings{
+        private static readonly int[] IdlePauseSeconds = { 0, 30, 60, 120, 300 };
+
+        private readonly FormNotificationMain notification;
+
+        public TabSettingsNotifications(FormNotificationMain notification){
+            InitializeComponent();
+
+            this.notification = notification;
+            
+            this.notification.Initialized += (sender, args) => {
+                this.InvokeAsyncSafe(() => {
+                    this.notification.ShowNotificationForSettings(true);
+                    this.notification.Move += notification_Move;
+                    this.notification.ResizeEnd += notification_ResizeEnd;
+                });
+            };
+
+            this.notification.Activated += notification_Activated;
+            this.notification.Show();
+
+            switch(Config.NotificationPosition){
+                case TweetNotification.Position.TopLeft: radioLocTL.Checked = true; break;
+                case TweetNotification.Position.TopRight: radioLocTR.Checked = true; break;
+                case TweetNotification.Position.BottomLeft: radioLocBL.Checked = true; break;
+                case TweetNotification.Position.BottomRight: radioLocBR.Checked = true; break;
+                case TweetNotification.Position.Custom: radioLocCustom.Checked = true; break;
+            }
+
+            comboBoxDisplay.Enabled = trackBarEdgeDistance.Enabled = !radioLocCustom.Checked;
+
+            switch(Config.NotificationSize){
+                case TweetNotification.Size.Auto: radioSizeAuto.Checked = true; break;
+                case TweetNotification.Size.Custom: radioSizeCustom.Checked = true; break;
+            }
+            
+            toolTip.SetToolTip(trackBarDuration, toolTip.GetToolTip(labelDurationValue));
+            trackBarDuration.SetValueSafe(Config.NotificationDurationValue);
+            labelDurationValue.Text = Config.NotificationDurationValue+" ms/c";
+
+            comboBoxIdlePause.Items.Add("Disabled");
+            comboBoxIdlePause.Items.Add("30 seconds");
+            comboBoxIdlePause.Items.Add("1 minute");
+            comboBoxIdlePause.Items.Add("2 minutes");
+            comboBoxIdlePause.Items.Add("5 minutes");
+            comboBoxIdlePause.SelectedIndex = Math.Max(0, Array.FindIndex(IdlePauseSeconds, val => val == Config.NotificationIdlePauseSeconds));
+
+            comboBoxDisplay.Items.Add("(Same as TweetDuck)");
+
+            foreach(Screen screen in Screen.AllScreens){
+                comboBoxDisplay.Items.Add(screen.DeviceName.TrimStart('\\', '.')+" ("+screen.Bounds.Width+"x"+screen.Bounds.Height+")");
+            }
+
+            comboBoxDisplay.SelectedIndex = Math.Min(comboBoxDisplay.Items.Count-1, Config.NotificationDisplay);
+            
+            checkColumnName.Checked = Config.DisplayNotificationColumn;
+            checkNotificationTimer.Checked = Config.DisplayNotificationTimer;
+            checkTimerCountDown.Enabled = checkNotificationTimer.Checked;
+            checkTimerCountDown.Checked = Config.NotificationTimerCountDown;
+            checkMediaPreviews.Checked = Config.NotificationMediaPreviews;
+            checkSkipOnLinkClick.Checked = Config.NotificationSkipOnLinkClick;
+            checkNonIntrusive.Checked = Config.NotificationNonIntrusiveMode;
+
+            trackBarScrollSpeed.SetValueSafe(Config.NotificationScrollSpeed);
+            labelScrollSpeedValue.Text = trackBarScrollSpeed.Value+"%";
+
+            trackBarEdgeDistance.SetValueSafe(Config.NotificationEdgeDistance);
+            labelEdgeDistanceValue.Text = trackBarEdgeDistance.Value+" px";
+            
+            this.notification.CanMoveWindow = () => radioLocCustom.Checked;
+            this.notification.CanResizeWindow = radioSizeCustom.Checked;
+
+            Disposed += (sender, args) => this.notification.Dispose();
+        }
+
+        public override void OnReady(){
+            radioLocTL.CheckedChanged += radioLoc_CheckedChanged;
+            radioLocTR.CheckedChanged += radioLoc_CheckedChanged;
+            radioLocBL.CheckedChanged += radioLoc_CheckedChanged;
+            radioLocBR.CheckedChanged += radioLoc_CheckedChanged;
+            radioLocCustom.Click += radioLocCustom_Click;
+
+            radioSizeAuto.CheckedChanged += radioSize_CheckedChanged;
+            radioSizeCustom.Click += radioSizeCustom_Click;
+
+            trackBarDuration.ValueChanged += trackBarDuration_ValueChanged;
+            btnDurationShort.Click += btnDurationShort_Click;
+            btnDurationMedium.Click += btnDurationMedium_Click;
+            btnDurationLong.Click += btnDurationLong_Click;
+
+            checkColumnName.CheckedChanged += checkColumnName_CheckedChanged;
+            checkNotificationTimer.CheckedChanged += checkNotificationTimer_CheckedChanged;
+            checkTimerCountDown.CheckedChanged += checkTimerCountDown_CheckedChanged;
+            checkMediaPreviews.CheckedChanged += checkMediaPreviews_CheckedChanged;
+            checkSkipOnLinkClick.CheckedChanged += checkSkipOnLinkClick_CheckedChanged;
+            checkNonIntrusive.CheckedChanged += checkNonIntrusive_CheckedChanged;
+
+            comboBoxIdlePause.SelectedValueChanged += comboBoxIdlePause_SelectedValueChanged;
+            trackBarScrollSpeed.ValueChanged += trackBarScrollSpeed_ValueChanged;
+
+            comboBoxDisplay.SelectedValueChanged += comboBoxDisplay_SelectedValueChanged;
+            trackBarEdgeDistance.ValueChanged += trackBarEdgeDistance_ValueChanged;
+        }
+
+        private void TabSettingsNotifications_ParentChanged(object sender, EventArgs e){
+            if (Parent == null){
+                notification.HideNotification(false);
+            }
+            else{
+                notification.ShowNotificationForSettings(true);
+            }
+        }
+
+        private void notification_Activated(object sender, EventArgs e){
+            notification.Hide();
+            notification.Activated -= notification_Activated;
+        }
+
+        private void notification_Move(object sender, EventArgs e){
+            if (radioLocCustom.Checked && notification.Location != ControlExtensions.InvisibleLocation){
+                Config.CustomNotificationPosition = notification.Location;
+            }
+        }
+
+        private void notification_ResizeEnd(object sender, EventArgs e){
+            if (radioSizeCustom.Checked){
+                Config.CustomNotificationSize = notification.BrowserSize;
+                notification.ShowNotificationForSettings(false);
+            }
+        }
+
+        private void radioLoc_CheckedChanged(object sender, EventArgs e){
+            if (radioLocTL.Checked)Config.NotificationPosition = TweetNotification.Position.TopLeft;
+            else if (radioLocTR.Checked)Config.NotificationPosition = TweetNotification.Position.TopRight;
+            else if (radioLocBL.Checked)Config.NotificationPosition = TweetNotification.Position.BottomLeft;
+            else if (radioLocBR.Checked)Config.NotificationPosition = TweetNotification.Position.BottomRight;
+
+            comboBoxDisplay.Enabled = trackBarEdgeDistance.Enabled = true;
+            notification.ShowNotificationForSettings(false);
+        }
+
+        private void radioLocCustom_Click(object sender, EventArgs e){
+            if (!Config.IsCustomNotificationPositionSet){
+                Config.CustomNotificationPosition = notification.Location;
+            }
+
+            Config.NotificationPosition = TweetNotification.Position.Custom;
+
+            comboBoxDisplay.Enabled = trackBarEdgeDistance.Enabled = false;
+            notification.ShowNotificationForSettings(false);
+
+            if (notification.IsFullyOutsideView() && FormMessage.Question("Notification is outside view", "The notification seems to be outside of view, would you like to reset its position?", FormMessage.Yes, FormMessage.No)){
+                Config.NotificationPosition = TweetNotification.Position.TopRight;
+                notification.MoveToVisibleLocation();
+
+                Config.CustomNotificationPosition = notification.Location;
+
+                Config.NotificationPosition = TweetNotification.Position.Custom;
+                notification.MoveToVisibleLocation();
+            }
+        }
+
+        private void radioSize_CheckedChanged(object sender, EventArgs e){
+            if (radioSizeAuto.Checked)Config.NotificationSize = TweetNotification.Size.Auto;
+            
+            notification.ShowNotificationForSettings(false);
+            notification.CanResizeWindow = false; // must be after ShowNotificationForSettings
+        }
+        
+        private void radioSizeCustom_Click(object sender, EventArgs e){
+            if (!Config.IsCustomNotificationSizeSet){
+                Config.CustomNotificationSize = notification.BrowserSize;
+            }
+
+            Config.NotificationSize = TweetNotification.Size.Custom;
+
+            notification.CanResizeWindow = true;
+            notification.ShowNotificationForSettings(false);
+        }
+
+        private void trackBarDuration_ValueChanged(object sender, EventArgs e){
+            durationUpdateTimer.Stop();
+            durationUpdateTimer.Start();
+
+            Config.NotificationDurationValue = trackBarDuration.Value;
+            labelDurationValue.Text = Config.NotificationDurationValue+" ms/c";
+        }
+
+        private void btnDurationShort_Click(object sender, EventArgs e){
+            trackBarDuration.Value = 15;
+        }
+
+        private void btnDurationMedium_Click(object sender, EventArgs e){
+            trackBarDuration.Value = 25;
+        }
+
+        private void btnDurationLong_Click(object sender, EventArgs e){
+            trackBarDuration.Value = 35;
+        }
+
+        private void checkColumnName_CheckedChanged(object sender, EventArgs e){
+            Config.DisplayNotificationColumn = checkColumnName.Checked;
+            notification.ShowNotificationForSettings(false);
+        }
+
+        private void checkNotificationTimer_CheckedChanged(object sender, EventArgs e){
+            Config.DisplayNotificationTimer = checkNotificationTimer.Checked;
+            checkTimerCountDown.Enabled = checkNotificationTimer.Checked;
+            notification.ShowNotificationForSettings(true);
+        }
+
+        private void checkTimerCountDown_CheckedChanged(object sender, EventArgs e){
+            Config.NotificationTimerCountDown = checkTimerCountDown.Checked;
+            notification.ShowNotificationForSettings(true);
+        }
+
+        private void checkMediaPreviews_CheckedChanged(object sender, EventArgs e){
+            Config.NotificationMediaPreviews = checkMediaPreviews.Checked;
+        }
+
+        private void checkSkipOnLinkClick_CheckedChanged(object sender, EventArgs e){
+            Config.NotificationSkipOnLinkClick = checkSkipOnLinkClick.Checked;
+        }
+
+        private void checkNonIntrusive_CheckedChanged(object sender, EventArgs e){
+            Config.NotificationNonIntrusiveMode = checkNonIntrusive.Checked;
+        }
+
+        private void comboBoxIdlePause_SelectedValueChanged(object sender, EventArgs e){
+            Config.NotificationIdlePauseSeconds = IdlePauseSeconds[comboBoxIdlePause.SelectedIndex];
+        }
+
+        private void trackBarScrollSpeed_ValueChanged(object sender, EventArgs e){
+            if (trackBarScrollSpeed.AlignValueToTick()){
+                labelScrollSpeedValue.Text = trackBarScrollSpeed.Value+"%";
+                Config.NotificationScrollSpeed = trackBarScrollSpeed.Value;
+            }
+        }
+
+        private void comboBoxDisplay_SelectedValueChanged(object sender, EventArgs e){
+            Config.NotificationDisplay = comboBoxDisplay.SelectedIndex;
+            notification.ShowNotificationForSettings(false);
+        }
+
+        private void trackBarEdgeDistance_ValueChanged(object sender, EventArgs e){
+            labelEdgeDistanceValue.Text = trackBarEdgeDistance.Value+" px";
+            Config.NotificationEdgeDistance = trackBarEdgeDistance.Value;
+            notification.ShowNotificationForSettings(false);
+        }
+
+        private void durationUpdateTimer_Tick(object sender, EventArgs e){
+            notification.ShowNotificationForSettings(true);
+            durationUpdateTimer.Stop();
+        }
+    }
+}

Core/Other/Settings/TabSettingsSounds.Designer.cs

@@ -0,0 +1,177 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsSounds {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.tbCustomSound = new System.Windows.Forms.TextBox();
+            this.labelVolumeValue = new System.Windows.Forms.Label();
+            this.btnPlaySound = new System.Windows.Forms.Button();
+            this.btnResetSound = new System.Windows.Forms.Button();
+            this.btnBrowseSound = new System.Windows.Forms.Button();
+            this.labelSoundNotification = new System.Windows.Forms.Label();
+            this.panelSoundNotification = new System.Windows.Forms.Panel();
+            this.labelVolume = new System.Windows.Forms.Label();
+            this.trackBarVolume = new System.Windows.Forms.TrackBar();
+            this.panelSoundNotification.SuspendLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarVolume)).BeginInit();
+            this.SuspendLayout();
+            // 
+            // tbCustomSound
+            // 
+            this.tbCustomSound.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.tbCustomSound.Location = new System.Drawing.Point(3, 3);
+            this.tbCustomSound.Name = "tbCustomSound";
+            this.tbCustomSound.Size = new System.Drawing.Size(316, 20);
+            this.tbCustomSound.TabIndex = 0;
+            this.toolTip.SetToolTip(this.tbCustomSound, "When empty, the default TweetDeck sound notification is used.");
+            // 
+            // labelVolumeValue
+            // 
+            this.labelVolumeValue.BackColor = System.Drawing.Color.Transparent;
+            this.labelVolumeValue.Location = new System.Drawing.Point(147, 84);
+            this.labelVolumeValue.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
+            this.labelVolumeValue.Name = "labelVolumeValue";
+            this.labelVolumeValue.Size = new System.Drawing.Size(38, 13);
+            this.labelVolumeValue.TabIndex = 6;
+            this.labelVolumeValue.Text = "100%";
+            this.labelVolumeValue.TextAlign = System.Drawing.ContentAlignment.TopRight;
+            // 
+            // btnPlaySound
+            // 
+            this.btnPlaySound.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnPlaySound.AutoSize = true;
+            this.btnPlaySound.Location = new System.Drawing.Point(203, 29);
+            this.btnPlaySound.Name = "btnPlaySound";
+            this.btnPlaySound.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnPlaySound.Size = new System.Drawing.Size(43, 23);
+            this.btnPlaySound.TabIndex = 2;
+            this.btnPlaySound.Text = "Play";
+            this.btnPlaySound.UseVisualStyleBackColor = true;
+            // 
+            // btnResetSound
+            // 
+            this.btnResetSound.AutoSize = true;
+            this.btnResetSound.Location = new System.Drawing.Point(3, 29);
+            this.btnResetSound.Name = "btnResetSound";
+            this.btnResetSound.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnResetSound.Size = new System.Drawing.Size(51, 23);
+            this.btnResetSound.TabIndex = 3;
+            this.btnResetSound.Text = "Reset";
+            this.btnResetSound.UseVisualStyleBackColor = true;
+            // 
+            // btnBrowseSound
+            // 
+            this.btnBrowseSound.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Right)));
+            this.btnBrowseSound.AutoSize = true;
+            this.btnBrowseSound.Location = new System.Drawing.Point(252, 29);
+            this.btnBrowseSound.Name = "btnBrowseSound";
+            this.btnBrowseSound.Padding = new System.Windows.Forms.Padding(3, 0, 3, 0);
+            this.btnBrowseSound.Size = new System.Drawing.Size(67, 23);
+            this.btnBrowseSound.TabIndex = 1;
+            this.btnBrowseSound.Text = "Browse...";
+            this.btnBrowseSound.UseVisualStyleBackColor = true;
+            // 
+            // labelSoundNotification
+            // 
+            this.labelSoundNotification.AutoSize = true;
+            this.labelSoundNotification.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelSoundNotification.Location = new System.Drawing.Point(6, 8);
+            this.labelSoundNotification.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelSoundNotification.Name = "labelSoundNotification";
+            this.labelSoundNotification.Size = new System.Drawing.Size(198, 20);
+            this.labelSoundNotification.TabIndex = 1;
+            this.labelSoundNotification.Text = "Custom Sound Notification";
+            // 
+            // panelSoundNotification
+            // 
+            this.panelSoundNotification.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelSoundNotification.Controls.Add(this.labelVolume);
+            this.panelSoundNotification.Controls.Add(this.trackBarVolume);
+            this.panelSoundNotification.Controls.Add(this.btnPlaySound);
+            this.panelSoundNotification.Controls.Add(this.tbCustomSound);
+            this.panelSoundNotification.Controls.Add(this.btnResetSound);
+            this.panelSoundNotification.Controls.Add(this.btnBrowseSound);
+            this.panelSoundNotification.Controls.Add(this.labelVolumeValue);
+            this.panelSoundNotification.Location = new System.Drawing.Point(9, 31);
+            this.panelSoundNotification.Name = "panelSoundNotification";
+            this.panelSoundNotification.Size = new System.Drawing.Size(322, 119);
+            this.panelSoundNotification.TabIndex = 2;
+            // 
+            // labelVolume
+            // 
+            this.labelVolume.AutoSize = true;
+            this.labelVolume.Location = new System.Drawing.Point(3, 67);
+            this.labelVolume.Margin = new System.Windows.Forms.Padding(3, 12, 3, 0);
+            this.labelVolume.Name = "labelVolume";
+            this.labelVolume.Size = new System.Drawing.Size(42, 13);
+            this.labelVolume.TabIndex = 4;
+            this.labelVolume.Text = "Volume";
+            // 
+            // trackBarVolume
+            // 
+            this.trackBarVolume.AutoSize = false;
+            this.trackBarVolume.BackColor = System.Drawing.SystemColors.Control;
+            this.trackBarVolume.Location = new System.Drawing.Point(3, 83);
+            this.trackBarVolume.Maximum = 100;
+            this.trackBarVolume.Name = "trackBarVolume";
+            this.trackBarVolume.Size = new System.Drawing.Size(148, 30);
+            this.trackBarVolume.SmallChange = 1;
+            this.trackBarVolume.TabIndex = 5;
+            this.trackBarVolume.TickFrequency = 10;
+            this.trackBarVolume.Value = 100;
+            this.trackBarVolume.ValueChanged += new System.EventHandler(this.trackBarVolume_ValueChanged);
+            // 
+            // TabSettingsSounds
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.panelSoundNotification);
+            this.Controls.Add(this.labelSoundNotification);
+            this.Name = "TabSettingsSounds";
+            this.Size = new System.Drawing.Size(340, 160);
+            this.panelSoundNotification.ResumeLayout(false);
+            this.panelSoundNotification.PerformLayout();
+            ((System.ComponentModel.ISupportInitialize)(this.trackBarVolume)).EndInit();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.ToolTip toolTip;
+        private System.Windows.Forms.Button btnResetSound;
+        private System.Windows.Forms.Button btnBrowseSound;
+        private System.Windows.Forms.TextBox tbCustomSound;
+        private System.Windows.Forms.Button btnPlaySound;
+        private System.Windows.Forms.Label labelSoundNotification;
+        private System.Windows.Forms.Panel panelSoundNotification;
+        private System.Windows.Forms.Label labelVolume;
+        private System.Windows.Forms.Label labelVolumeValue;
+        private System.Windows.Forms.TrackBar trackBarVolume;
+    }
+}

Core/Other/Settings/TabSettingsSounds.cs

@@ -0,0 +1,82 @@
+using System;
+using System.Drawing;
+using System.IO;
+using System.Windows.Forms;
+using TweetDuck.Core.Controls;
+using TweetDuck.Core.Notification;
+using TweetLib.Audio;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsSounds : BaseTabSettings{
+        private readonly SoundNotification soundNotification;
+        private readonly bool supportsChangingVolume;
+
+        public TabSettingsSounds(){
+            InitializeComponent();
+
+            soundNotification = new SoundNotification();
+            soundNotification.PlaybackError += sound_PlaybackError;
+            
+            supportsChangingVolume = soundNotification.SetVolume(Config.NotificationSoundVolume);
+
+            trackBarVolume.Enabled = supportsChangingVolume && !string.IsNullOrEmpty(Config.NotificationSoundPath);
+            trackBarVolume.SetValueSafe(Config.NotificationSoundVolume);
+            labelVolumeValue.Text = trackBarVolume.Value+"%";
+
+            tbCustomSound.Text = Config.NotificationSoundPath;
+            tbCustomSound_TextChanged(tbCustomSound, EventArgs.Empty);
+
+            Disposed += (sender, args) => soundNotification.Dispose();
+        }
+
+        public override void OnReady(){
+            tbCustomSound.TextChanged += tbCustomSound_TextChanged;
+            btnPlaySound.Click += btnPlaySound_Click;
+            btnBrowseSound.Click += btnBrowseSound_Click;
+            btnResetSound.Click += btnResetSound_Click;
+        }
+
+        public override void OnClosing(){
+            Config.NotificationSoundPath = tbCustomSound.Text;
+        }
+
+        private void tbCustomSound_TextChanged(object sender, EventArgs e){
+            bool isEmpty = string.IsNullOrEmpty(tbCustomSound.Text);
+            tbCustomSound.ForeColor = isEmpty || File.Exists(tbCustomSound.Text) ? SystemColors.WindowText : Color.Red;
+            btnPlaySound.Enabled = !isEmpty;
+            btnResetSound.Enabled = !isEmpty;
+            trackBarVolume.Enabled = supportsChangingVolume && !isEmpty;
+        }
+
+        private void btnPlaySound_Click(object sender, EventArgs e){
+            soundNotification.Play(tbCustomSound.Text);
+        }
+
+        private void sound_PlaybackError(object sender, PlaybackErrorEventArgs e){
+            FormMessage.Error("Notification Sound Error", "Could not play custom notification sound.\n"+e.Message, FormMessage.OK);
+        }
+
+        private void btnBrowseSound_Click(object sender, EventArgs e){
+            using(OpenFileDialog dialog = new OpenFileDialog{
+                AutoUpgradeEnabled = true,
+                DereferenceLinks = true,
+                Title = "Custom Notification Sound",
+                Filter = "Sound file ("+soundNotification.SupportedFormats+")|"+soundNotification.SupportedFormats+"|All files (*.*)|*.*"
+            }){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    tbCustomSound.Text = dialog.FileName;
+                }
+            }
+        }
+
+        private void btnResetSound_Click(object sender, EventArgs e){
+            tbCustomSound.Text = string.Empty;
+        }
+
+        private void trackBarVolume_ValueChanged(object sender, EventArgs e){
+            Config.NotificationSoundVolume = trackBarVolume.Value;
+            soundNotification.SetVolume(Config.NotificationSoundVolume);
+            labelVolumeValue.Text = Config.NotificationSoundVolume+"%";
+        }
+    }
+}

Core/Other/Settings/TabSettingsTray.Designer.cs

@@ -0,0 +1,116 @@
+namespace TweetDuck.Core.Other.Settings {
+    partial class TabSettingsTray {
+        /// <summary> 
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary> 
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing) {
+            if (disposing && (components != null)) {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Component Designer generated code
+
+        /// <summary> 
+        /// Required method for Designer support - do not modify 
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent() {
+            this.components = new System.ComponentModel.Container();
+            this.panelTray = new System.Windows.Forms.Panel();
+            this.checkTrayHighlight = new System.Windows.Forms.CheckBox();
+            this.comboBoxTrayType = new System.Windows.Forms.ComboBox();
+            this.labelTrayIcon = new System.Windows.Forms.Label();
+            this.labelTray = new System.Windows.Forms.Label();
+            this.toolTip = new System.Windows.Forms.ToolTip(this.components);
+            this.panelTray.SuspendLayout();
+            this.SuspendLayout();
+            // 
+            // panelTray
+            // 
+            this.panelTray.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            | System.Windows.Forms.AnchorStyles.Right)));
+            this.panelTray.Controls.Add(this.checkTrayHighlight);
+            this.panelTray.Controls.Add(this.comboBoxTrayType);
+            this.panelTray.Controls.Add(this.labelTrayIcon);
+            this.panelTray.Location = new System.Drawing.Point(9, 31);
+            this.panelTray.Name = "panelTray";
+            this.panelTray.Size = new System.Drawing.Size(322, 76);
+            this.panelTray.TabIndex = 1;
+            // 
+            // checkTrayHighlight
+            // 
+            this.checkTrayHighlight.AutoSize = true;
+            this.checkTrayHighlight.Location = new System.Drawing.Point(6, 56);
+            this.checkTrayHighlight.Margin = new System.Windows.Forms.Padding(6, 5, 3, 3);
+            this.checkTrayHighlight.Name = "checkTrayHighlight";
+            this.checkTrayHighlight.Size = new System.Drawing.Size(103, 17);
+            this.checkTrayHighlight.TabIndex = 2;
+            this.checkTrayHighlight.Text = "Enable Highlight";
+            this.toolTip.SetToolTip(this.checkTrayHighlight, "Highlights the tray icon if there are new tweets.\r\nOnly works for columns with popup or audio notifications.\r\nThe icon resets when the main window is restored.");
+            this.checkTrayHighlight.UseVisualStyleBackColor = true;
+            // 
+            // comboBoxTrayType
+            // 
+            this.comboBoxTrayType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
+            this.comboBoxTrayType.FormattingEnabled = true;
+            this.comboBoxTrayType.Location = new System.Drawing.Point(5, 5);
+            this.comboBoxTrayType.Margin = new System.Windows.Forms.Padding(5, 5, 3, 3);
+            this.comboBoxTrayType.Name = "comboBoxTrayType";
+            this.comboBoxTrayType.Size = new System.Drawing.Size(144, 21);
+            this.comboBoxTrayType.TabIndex = 0;
+            this.toolTip.SetToolTip(this.comboBoxTrayType, "Changes behavior of the Tray icon.\r\nRight-click the icon for an action menu.");
+            // 
+            // labelTrayIcon
+            // 
+            this.labelTrayIcon.AutoSize = true;
+            this.labelTrayIcon.Location = new System.Drawing.Point(3, 38);
+            this.labelTrayIcon.Margin = new System.Windows.Forms.Padding(3, 9, 3, 0);
+            this.labelTrayIcon.Name = "labelTrayIcon";
+            this.labelTrayIcon.Size = new System.Drawing.Size(52, 13);
+            this.labelTrayIcon.TabIndex = 1;
+            this.labelTrayIcon.Text = "Tray Icon";
+            // 
+            // labelTray
+            // 
+            this.labelTray.AutoSize = true;
+            this.labelTray.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(238)));
+            this.labelTray.Location = new System.Drawing.Point(6, 8);
+            this.labelTray.Margin = new System.Windows.Forms.Padding(0, 2, 0, 0);
+            this.labelTray.Name = "labelTray";
+            this.labelTray.Size = new System.Drawing.Size(96, 20);
+            this.labelTray.TabIndex = 0;
+            this.labelTray.Text = "System Tray";
+            // 
+            // TabSettingsTray
+            // 
+            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
+            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
+            this.Controls.Add(this.panelTray);
+            this.Controls.Add(this.labelTray);
+            this.Name = "TabSettingsTray";
+            this.Size = new System.Drawing.Size(340, 119);
+            this.panelTray.ResumeLayout(false);
+            this.panelTray.PerformLayout();
+            this.ResumeLayout(false);
+            this.PerformLayout();
+
+        }
+
+        #endregion
+
+        private System.Windows.Forms.Panel panelTray;
+        private System.Windows.Forms.CheckBox checkTrayHighlight;
+        private System.Windows.Forms.ComboBox comboBoxTrayType;
+        private System.Windows.Forms.Label labelTrayIcon;
+        private System.Windows.Forms.Label labelTray;
+        private System.Windows.Forms.ToolTip toolTip;
+    }
+}

Core/Other/Settings/TabSettingsTray.cs

@@ -0,0 +1,33 @@
+using System;
+
+namespace TweetDuck.Core.Other.Settings{
+    sealed partial class TabSettingsTray : BaseTabSettings{
+        public TabSettingsTray(){
+            InitializeComponent();
+            
+            comboBoxTrayType.Items.Add("Disabled");
+            comboBoxTrayType.Items.Add("Display Icon Only");
+            comboBoxTrayType.Items.Add("Minimize to Tray");
+            comboBoxTrayType.Items.Add("Close to Tray");
+            comboBoxTrayType.Items.Add("Combined");
+            comboBoxTrayType.SelectedIndex = Math.Min(Math.Max((int)Config.TrayBehavior, 0), comboBoxTrayType.Items.Count-1);
+
+            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
+            checkTrayHighlight.Checked = Config.EnableTrayHighlight;
+        }
+
+        public override void OnReady(){
+            comboBoxTrayType.SelectedIndexChanged += comboBoxTrayType_SelectedIndexChanged;
+            checkTrayHighlight.CheckedChanged += checkTrayHighlight_CheckedChanged;
+        }
+
+        private void comboBoxTrayType_SelectedIndexChanged(object sender, EventArgs e){
+            Config.TrayBehavior = (TrayIcon.Behavior)comboBoxTrayType.SelectedIndex;
+            checkTrayHighlight.Enabled = Config.TrayBehavior.ShouldDisplayIcon();
+        }
+
+        private void checkTrayHighlight_CheckedChanged(object sender, EventArgs e){
+            Config.EnableTrayHighlight = checkTrayHighlight.Checked;
+        }
+    }
+}

Core/TrayIcon.Designer.cs

@@ -1,5 +1,5 @@
-namespace TweetDck.Core.Controls {
+namespace TweetDuck.Core {
-    partial class RichTextLabel {
+    partial class TrayIcon {
         /// <summary> 
         /// Required designer variable.
         /// </summary>
@@ -23,19 +23,19 @@
         /// the contents of this method with the code editor.
         /// </summary>
         private void InitializeComponent() {
-            this.SuspendLayout();
+            this.components = new System.ComponentModel.Container();
+            this.notifyIcon = new System.Windows.Forms.NotifyIcon(this.components);
             // 
-            // RichTextLabel
+            // notifyIcon
+            // 
+            this.notifyIcon.MouseClick += new System.Windows.Forms.MouseEventHandler(this.trayIcon_MouseClick);
+            //
+            // TrayIcon
             //
-            this.BorderStyle = System.Windows.Forms.BorderStyle.None;
-            this.ReadOnly = true;
-            this.TabStop = false;
-            this.MouseEnter += new System.EventHandler(this.RichTextLabel_MouseEnter);
-            this.ResumeLayout(false);
-
         }
 
         #endregion
 
+        private System.Windows.Forms.NotifyIcon notifyIcon;
     }
 }

Core/TrayIcon.cs

@@ -0,0 +1,99 @@
+using System;
+using System.ComponentModel;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core{
+    sealed partial class TrayIcon : Component{
+        public enum Behavior{ // keep order
+            Disabled, DisplayOnly, MinimizeToTray, CloseToTray, Combined
+        }
+
+        public event EventHandler ClickRestore;
+        public event EventHandler ClickClose;
+
+        public bool Visible{
+            get => notifyIcon.Visible;
+
+            set{
+                if (value){
+                    notifyIcon.Icon = Properties.Resources.icon_tray;
+                }
+                
+                notifyIcon.Visible = value;
+                hasNotifications = false;
+            }
+        }
+
+        public bool HasNotifications{
+            get{
+                return hasNotifications;
+            }
+
+            set{
+                if (hasNotifications != value && Visible){
+                    notifyIcon.Icon = value ? Properties.Resources.icon_tray_new : Properties.Resources.icon_tray;
+                    hasNotifications = value;
+                }
+            }
+        }
+
+        private readonly ContextMenu contextMenu;
+        private bool hasNotifications;
+
+        public TrayIcon(){
+            InitializeComponent();
+
+            this.contextMenu = new ContextMenu();
+            this.contextMenu.MenuItems.Add("Restore", menuItemRestore_Click);
+            this.contextMenu.MenuItems.Add("Mute notifications", menuItemMuteNotifications_Click);
+            this.contextMenu.MenuItems.Add("Close", menuItemClose_Click);
+            this.contextMenu.Popup += contextMenu_Popup;
+                
+            this.notifyIcon.ContextMenu = contextMenu;
+            this.notifyIcon.Text = Program.BrandName;
+        }
+
+        public TrayIcon(IContainer container) : this(){
+            container.Add(this);
+        }
+
+        // event handlers
+
+        private void trayIcon_MouseClick(object sender, MouseEventArgs e){
+            if (e.Button == MouseButtons.Left){
+                menuItemRestore_Click(sender, e);
+            }
+        }
+
+        private void contextMenu_Popup(object sender, EventArgs e){
+            contextMenu.MenuItems[1].Checked = Program.UserConfig.MuteNotifications;
+        }
+
+        private void menuItemRestore_Click(object sender, EventArgs e){
+            ClickRestore?.Invoke(this, e);
+        }
+
+        private void menuItemMuteNotifications_Click(object sender, EventArgs e){
+            Program.UserConfig.MuteNotifications = !contextMenu.MenuItems[1].Checked;
+            Program.UserConfig.Save();
+        }
+
+        private void menuItemClose_Click(object sender, EventArgs e){
+            ClickClose?.Invoke(this, e);
+        }
+    }
+
+    static class BehaviorExtensions{
+        public static bool ShouldDisplayIcon(this TrayIcon.Behavior behavior){
+            return behavior != TrayIcon.Behavior.Disabled;
+        }
+
+        public static bool ShouldHideOnMinimize(this TrayIcon.Behavior behavior){
+            return behavior == TrayIcon.Behavior.MinimizeToTray || behavior == TrayIcon.Behavior.Combined;
+        }
+
+        public static bool ShouldHideOnClose(this TrayIcon.Behavior behavior){
+            return behavior == TrayIcon.Behavior.CloseToTray || behavior == TrayIcon.Behavior.Combined;
+        }
+    }
+}

Core/Utils/BrowserCache.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+using System.Linq;
+
+namespace TweetDuck.Core.Utils{
+    static class BrowserCache{
+        private static bool ClearOnExit { get; set; }
+
+        private static readonly string CacheFolder = Path.Combine(Program.StoragePath, "Cache");
+
+        private static IEnumerable<string> CacheFiles{
+            get{
+                return Directory.EnumerateFiles(CacheFolder);
+            }
+        }
+
+        public static void CalculateCacheSize(Action<long> callbackBytes){
+            Task<long> task = new Task<long>(() => {
+                return CacheFiles.Select(file => {
+                    try{
+                        return new FileInfo(file).Length;
+                    }catch{
+                        return 0L;
+                    }
+                }).Sum();
+            });
+            
+            task.ContinueWith(originalTask => callbackBytes(originalTask.Exception == null ? originalTask.Result : -1L), TaskContinuationOptions.ExecuteSynchronously);
+            task.Start();
+        }
+
+        public static void SetClearOnExit(){
+            ClearOnExit = true;
+        }
+
+        public static void Exit(){
+            if (ClearOnExit){
+                foreach(string file in CacheFiles){
+                    try{
+                        File.Delete(file);
+                    }catch{
+                        // welp, too bad
+                    }
+                }
+            }
+        }
+    }
+}

Core/Utils/BrowserUtils.cs

@@ -1,33 +1,93 @@
-using System;
+using CefSharp;
+using System;
+using System.Collections.Generic;
 using System.Diagnostics;
-using System.Globalization;
 using System.IO;
 using System.Net;
 using System.Windows.Forms;
+using CefSharp.WinForms;
+using TweetDuck.Core.Other;
 
-namespace TweetDck.Core.Utils{
+namespace TweetDuck.Core.Utils{
     static class BrowserUtils{
         public static string HeaderAcceptLanguage{
             get{
-                string culture = CultureInfo.CurrentCulture.Name;
+                string culture = Program.Culture.Name;
 
                 if (culture == "en"){
                     return "en-us,en";
                 }
                 else{
-                    return culture.ToLowerInvariant()+",en;q=0.9";
+                    return culture.ToLower()+",en;q=0.9";
                 }
             }
         }
 
-        public static string HeaderUserAgent{
+        public static string HeaderUserAgent => Program.BrandName+" "+Application.ProductVersion;
-            get{
+
-               return Program.BrandName+" "+Application.ProductVersion; 
+        public static void SetupCefArgs(IDictionary<string, string> args){
+            if (!Program.SystemConfig.HardwareAcceleration){
+                args["disable-gpu"] = "1";
+                args["disable-gpu-vsync"] = "1";
+            }
+            
+            args["disable-extensions"] = "1";
+            args["disable-plugins-discovery"] = "1";
+            args["enable-system-flash"] = "0";
+
+            if (args.TryGetValue("js-flags", out string jsFlags)){
+                args["js-flags"] = "--expose-gc "+jsFlags;
+            }
+            else{
+                args["js-flags"] = "--expose-gc";
             }
         }
 
-        public static void OpenExternalBrowser(string url){ // TODO implement mailto
+        public static ChromiumWebBrowser AsControl(this IWebBrowser browserControl){
-            Process.Start(url);
+            return (ChromiumWebBrowser)browserControl;
+        }
+
+        private const string TwitterTrackingUrl = "t.co";
+
+        public enum UrlCheckResult{
+            Invalid, Tracking, Fine
+        }
+
+        public static UrlCheckResult CheckUrl(string url){
+            if (Uri.TryCreate(url, UriKind.Absolute, out Uri uri)){
+                string scheme = uri.Scheme;
+
+                if (scheme == Uri.UriSchemeHttps || scheme == Uri.UriSchemeHttp || scheme == Uri.UriSchemeFtp || scheme == Uri.UriSchemeMailto){
+                    return uri.Host == TwitterTrackingUrl ? UrlCheckResult.Tracking : UrlCheckResult.Fine;
+                }
+            }
+
+            return UrlCheckResult.Invalid;
+        }
+
+        public static void OpenExternalBrowser(string url){
+            if (string.IsNullOrWhiteSpace(url))return;
+
+            switch(CheckUrl(url)){
+                case UrlCheckResult.Fine:
+                    OpenExternalBrowserUnsafe(url);
+                    break;
+
+                case UrlCheckResult.Tracking:
+                    if (FormMessage.Warning("Blocked URL", "TweetDuck has blocked a tracking url due to privacy concerns. Do you want to visit it anyway?\n"+url, FormMessage.Yes, FormMessage.No)){
+                        OpenExternalBrowserUnsafe(url);
+                    }
+
+                    break;
+
+                case UrlCheckResult.Invalid:
+                    FormMessage.Warning("Blocked URL", "A potentially malicious URL was blocked from opening:\n"+url, FormMessage.OK);
+                    break;
+            }
+        }
+
+        public static void OpenExternalBrowserUnsafe(string url){
+            using(Process.Start(url)){}
         }
 
         public static string GetFileNameFromUrl(string url){
@@ -35,17 +95,46 @@ namespace TweetDck.Core.Utils{
             return string.IsNullOrEmpty(file) ? null : file;
         }
 
-        public static void DownloadFileAsync(string url, string target, Action<Exception> onFailure){
+        public static string GetErrorName(CefErrorCode code){
+            return StringUtils.ConvertPascalCaseToScreamingSnakeCase(Enum.GetName(typeof(CefErrorCode), code) ?? string.Empty);
+        }
+
+        public static WebClient DownloadFileAsync(string url, string target, Action onSuccess, Action<Exception> onFailure){
             WebClient client = new WebClient{ Proxy = null };
             client.Headers[HttpRequestHeader.UserAgent] = HeaderUserAgent;
 
             client.DownloadFileCompleted += (sender, args) => {
-                if (args.Error != null){
+                if (args.Cancelled){
-                    onFailure(args.Error);
+                    try{
+                        File.Delete(target);
+                    }catch{
+                        // didn't want it deleted anyways
+                    }
+                }
+                else if (args.Error != null){
+                    onFailure?.Invoke(args.Error);
+                }
+                else{
+                    onSuccess?.Invoke();
                 }
             };
 
             client.DownloadFileAsync(new Uri(url), target);
-        }
+            return client;
+        }
+
+        public static int Scale(int baseValue, double scaleFactor){
+            return (int)Math.Round(baseValue*scaleFactor);
+        }
+
+        public static void SetZoomLevel(IBrowser browser, int percentage){
+            browser.GetHost().SetZoomLevel(Math.Log(percentage/100.0, 1.2));
+        }
+
+        #if DEBUG
+        public static void HandleConsoleMessage(object sender, ConsoleMessageEventArgs e){
+            Debug.WriteLine("[Console] {0} ({1}:{2})", e.Message, e.Source, e.Line);
+        }
+        #endif
     }
 }

Core/Utils/NativeMethods.cs

@@ -0,0 +1,133 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Drawing;
+using System.Runtime.InteropServices;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Utils{
+    [SuppressMessage("ReSharper", "FieldCanBeMadeReadOnly.Local")]
+    [SuppressMessage("ReSharper", "MemberCanBePrivate.Local")]
+    static class NativeMethods{
+        public static readonly IntPtr HOOK_HANDLED = new IntPtr(-1);
+
+        public const int HWND_TOPMOST = -1;
+        public const uint SWP_NOACTIVATE = 0x0010;
+        public const int WS_DISABLED = 0x08000000;
+        public const int GWL_STYLE = -16;
+
+        public const int SB_HORZ = 0;
+
+        public const int WM_MOUSE_LL = 14;
+        public const int WM_MOUSEWHEEL = 0x020A;
+        public const int WM_XBUTTONDOWN = 0x020B;
+        public const int WM_XBUTTONUP = 0x020C;
+        public const int WM_PARENTNOTIFY = 0x0210;
+        
+        [StructLayout(LayoutKind.Sequential)]
+        private struct LASTINPUTINFO{
+            public static readonly uint Size = (uint)Marshal.SizeOf(typeof(LASTINPUTINFO));
+
+            public uint cbSize;
+            public uint dwTime;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct POINT{
+            public int X;
+            public int Y;
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct MSLLHOOKSTRUCT{
+            public POINT pt;
+            public int mouseData;
+            public int flags;
+            public int time;
+            public UIntPtr dwExtraInfo;
+        }
+
+        public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("user32.dll", EntryPoint = "SetWindowPos")]
+        private static extern bool SetWindowPos(int hWnd, int hWndOrder, int x, int y, int width, int height, uint flags);
+
+        [DllImport("user32.dll")]
+        private static extern bool GetLastInputInfo(ref LASTINPUTINFO info);
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr GetDC(IntPtr hWnd);
+
+        [DllImport("user32.dll")]
+        public static extern bool ReleaseDC(IntPtr hWnd, IntPtr hDC);
+
+        [DllImport("gdi32.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        private static extern bool BitBlt(IntPtr hdc, int nXDest, int nYDest, int nWidth, int nHeight, IntPtr hdcSrc, int nXSrc, int nYSrc, uint dwRop);
+        
+        [DllImport("user32.dll")]
+        [return: MarshalAs(UnmanagedType.Bool)]
+        public static extern bool ShowScrollBar(IntPtr hWnd, int wBar, bool bShow);
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
+
+        [DllImport("user32.dll")]
+        public static extern bool UnhookWindowsHookEx(IntPtr idHook);
+
+        [DllImport("user32.dll")]
+        public static extern IntPtr CallNextHookEx(IntPtr idHook, int nCode, IntPtr wParam, IntPtr lParam);
+
+        [DllImport("user32.dll")]
+        private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
+
+        [DllImport("user32.dll")]
+        private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
+
+        public static void SetFormPos(Form form, int hWndOrder, uint flags){
+            SetWindowPos(form.Handle.ToInt32(), hWndOrder, form.Left, form.Top, form.Width, form.Height, flags);
+        }
+
+        public static void SetFormDisabled(Form form, bool disabled){
+            if (disabled){
+                SetWindowLong(form.Handle, GWL_STYLE, GetWindowLong(form.Handle, GWL_STYLE) | WS_DISABLED);
+            }
+            else{
+                SetWindowLong(form.Handle, GWL_STYLE, GetWindowLong(form.Handle, GWL_STYLE) & ~WS_DISABLED);
+            }
+        }
+
+        public static int GetMouseHookData(IntPtr ptr){
+            return Marshal.PtrToStructure<MSLLHOOKSTRUCT>(ptr).mouseData >> 16;
+        }
+
+        public static int GetIdleSeconds(){
+            LASTINPUTINFO info = new LASTINPUTINFO();
+            info.cbSize = LASTINPUTINFO.Size;
+
+            if (!GetLastInputInfo(ref info)){
+                return 0;
+            }
+
+            uint ticks;
+
+            unchecked{
+                ticks = (uint)Environment.TickCount;
+            }
+
+            int seconds = (int)Math.Floor(TimeSpan.FromMilliseconds(ticks-info.dwTime).TotalSeconds);
+            return Math.Max(0, seconds); // ignore rollover after several weeks of uptime
+        }
+
+        public static void RenderSourceIntoBitmap(IntPtr source, Bitmap target){
+            using(Graphics graphics = Graphics.FromImage(target)){
+                IntPtr graphicsHandle = graphics.GetHdc();
+
+                try{
+                    BitBlt(graphicsHandle, 0, 0, target.Width, target.Height, source, 0, 0, 0x00CC0020);
+                }finally{
+                    graphics.ReleaseHdc(graphicsHandle);
+                }
+            }
+        }
+    }
+}

Core/Utils/StringUtils.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Linq;
+using System.Text.RegularExpressions;
+
+namespace TweetDuck.Core.Utils{
+    static class StringUtils{
+        public static readonly string[] EmptyArray = new string[0];
+
+        public static string ExtractBefore(string str, char search, int startIndex = 0){
+            int index = str.IndexOf(search, startIndex);
+            return index == -1 ? str : str.Substring(0, index);
+        }
+
+        public static int[] ParseInts(string str, char separator){
+            return str.Split(new char[]{ separator }, StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToArray();
+        }
+        
+        public static string ConvertPascalCaseToScreamingSnakeCase(string str){
+            return Regex.Replace(str, @"(\p{Ll})(\P{Ll})|(\P{Ll})(\P{Ll}\p{Ll})", "$1$3_$2$4").ToUpper();
+        }
+    }
+}

Core/Utils/TwitterUtils.cs

@@ -0,0 +1,125 @@
+using System;
+using CefSharp;
+using System.Drawing;
+using System.IO;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Windows.Forms;
+using TweetDuck.Core.Other;
+
+namespace TweetDuck.Core.Utils{
+    static class TwitterUtils{
+        public const string TweetDeckURL = "https://tweetdeck.twitter.com";
+
+        public static readonly Color BackgroundColor = Color.FromArgb(28, 99, 153);
+        public const string BackgroundColorFix = "let e=document.createElement('style');document.head.appendChild(e);e.innerHTML='body::before{background:#1c6399!important}'";
+        
+        private static readonly Lazy<Regex> RegexAccountLazy = new Lazy<Regex>(() => new Regex(@"^https?://twitter\.com/(?!signup$|tos$|privacy$)([^/]+)/?$", RegexOptions.Compiled), false);
+        public static Regex RegexAccount => RegexAccountLazy.Value;
+
+        public static readonly string[] DictionaryWords = {
+            "tweetdeck", "TweetDeck", "tweetduck", "TweetDuck", "TD"
+        };
+
+        public enum ImageQuality{
+            Default, Orig
+        }
+
+        public static bool IsTweetDeckWebsite(IFrame frame){
+            return frame.Url.Contains("//tweetdeck.twitter.com/");
+        }
+
+        public static bool IsTwitterWebsite(IFrame frame){
+            return frame.Url.Contains("//twitter.com/");
+        }
+
+        private static string ExtractMediaBaseLink(string url){
+            int dot = url.LastIndexOf('/');
+            return dot == -1 ? url : StringUtils.ExtractBefore(url, ':', dot);
+        }
+
+        public static string GetMediaLink(string url, ImageQuality quality){
+            if (quality == ImageQuality.Orig){
+                string result = ExtractMediaBaseLink(url);
+
+                if (result != url || url.Contains("//pbs.twimg.com/media/")){
+                    result += ":orig";
+                }
+
+                return result;
+            }
+            else{
+                return url;
+            }
+        }
+        
+        public static void DownloadImage(string url, string username, ImageQuality quality){
+            DownloadImages(new string[]{ url }, username, quality);
+        }
+
+        public static void DownloadImages(string[] urls, string username, ImageQuality quality){
+            if (urls.Length == 0){
+                return;
+            }
+
+            string firstImageLink = GetMediaLink(urls[0], quality);
+            int qualityIndex = firstImageLink.IndexOf(':', firstImageLink.LastIndexOf('/'));
+
+            string file = BrowserUtils.GetFileNameFromUrl(ExtractMediaBaseLink(firstImageLink));
+            string ext = Path.GetExtension(file); // includes dot
+
+            string[] fileNameParts = qualityIndex == -1 ? new string[]{
+                Path.ChangeExtension(file, null)
+            } : new string[]{
+                username,
+                Path.ChangeExtension(file, null),
+                firstImageLink.Substring(qualityIndex+1)
+            };
+            
+            using(SaveFileDialog dialog = new SaveFileDialog{
+                AutoUpgradeEnabled = true,
+                OverwritePrompt = urls.Length == 1,
+                Title = "Save image",
+                FileName = $"{string.Join(" ", fileNameParts.Where(part => part.Length > 0))}{ext}",
+                Filter = (urls.Length == 1 ? "Image" : "Images")+(string.IsNullOrEmpty(ext) ? " (unknown)|*.*" : $" (*{ext})|*{ext}")
+            }){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    void OnFailure(Exception ex){
+                        FormMessage.Error("Image Download", "An error occurred while downloading the image: "+ex.Message, FormMessage.OK);
+                    }
+
+                    if (urls.Length == 1){
+                        BrowserUtils.DownloadFileAsync(firstImageLink, dialog.FileName, null, OnFailure);
+                    }
+                    else{
+                        string pathBase = Path.ChangeExtension(dialog.FileName, null);
+                        string pathExt = Path.GetExtension(dialog.FileName);
+
+                        for(int index = 0; index < urls.Length; index++){
+                            BrowserUtils.DownloadFileAsync(GetMediaLink(urls[index], quality), $"{pathBase} {index+1}{pathExt}", null, OnFailure);
+                        }
+                    }
+                }
+            }
+        }
+
+        public static void DownloadVideo(string url){
+            string filename = BrowserUtils.GetFileNameFromUrl(url);
+            string ext = Path.GetExtension(filename);
+
+            using(SaveFileDialog dialog = new SaveFileDialog{
+                AutoUpgradeEnabled = true,
+                OverwritePrompt = true,
+                Title = "Save video",
+                FileName = filename,
+                Filter = "Video"+(string.IsNullOrEmpty(ext) ? " (unknown)|*.*" : $" (*{ext})|*{ext}")
+            }){
+                if (dialog.ShowDialog() == DialogResult.OK){
+                    BrowserUtils.DownloadFileAsync(url, dialog.FileName, null, ex => {
+                        FormMessage.Error("Image Download", "An error occurred while downloading the image: "+ex.Message, FormMessage.OK);
+                    });
+                }
+            }
+        }
+    }
+}

Core/Utils/UpdateInfo.cs

@@ -1,17 +0,0 @@
-namespace TweetDck.Core.Utils{
-    class UpdateInfo{
-        public readonly string VersionTag;
-        public readonly string DownloadUrl;
-
-        public string FileName{
-            get{
-                return BrowserUtils.GetFileNameFromUrl(DownloadUrl) ?? Program.BrandName+".Update.exe";
-            }
-        }
-
-        public UpdateInfo(string versionTag, string downloadUrl){
-            this.VersionTag = versionTag;
-            this.DownloadUrl = downloadUrl;
-        }
-    }
-}

Core/Utils/WindowsUtils.cs

@@ -0,0 +1,143 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Management;
+using System.Runtime.InteropServices;
+using System.Text.RegularExpressions;
+using System.Threading;
+using System.Windows.Forms;
+
+namespace TweetDuck.Core.Utils{
+    static class WindowsUtils{
+        private static readonly Lazy<Regex> RegexStripHtmlStyles = new Lazy<Regex>(() => new Regex(@"\s?(?:style|class)="".*?"""), false);
+        private static readonly Lazy<Regex> RegexOffsetClipboardHtml = new Lazy<Regex>(() => new Regex(@"(?<=EndHTML:|EndFragment:)(\d+)"), false);
+
+        public static int CurrentProcessID { get; }
+        public static bool ShouldAvoidToolWindow { get; }
+
+        static WindowsUtils(){
+            using(Process me = Process.GetCurrentProcess()){
+                CurrentProcessID = me.Id;
+            }
+
+            Version ver = Environment.OSVersion.Version;
+            ShouldAvoidToolWindow = ver.Major == 6 && ver.Minor == 2; // windows 8/10
+        }
+
+        public static void CreateDirectoryForFile(string file){
+            string dir = Path.GetDirectoryName(file);
+
+            if (dir == null){
+                throw new ArgumentException("Invalid file path: "+file);
+            }
+            else if (dir.Length > 0){
+                Directory.CreateDirectory(dir);
+            }
+        }
+
+        public static bool CheckFolderWritePermission(string path){
+            string testFile = Path.Combine(path, ".test");
+
+            try{
+                Directory.CreateDirectory(path);
+
+                using(File.Create(testFile)){}
+                File.Delete(testFile);
+                return true;
+            }catch{
+                return false;
+            }
+        }
+
+        public static Process StartProcess(string file, string arguments, bool runElevated){
+            ProcessStartInfo processInfo = new ProcessStartInfo{
+                FileName = file,
+                Arguments = arguments
+            };
+
+            if (runElevated){
+                processInfo.Verb = "runas";
+            }
+
+            return Process.Start(processInfo);
+        }
+
+        public static bool TrySleepUntil(Func<bool> test, int timeoutMillis, int timeStepMillis){
+            for(int waited = 0; waited < timeoutMillis; waited += timeStepMillis){
+                if (test()){
+                    return true;
+                }
+
+                Thread.Sleep(timeStepMillis);
+            }
+
+            return false;
+        }
+
+        public static void TryDeleteFolderWhenAble(string path, int timeout){
+            new Thread(() => {
+                TrySleepUntil(() => {
+                    try{
+                        Directory.Delete(path, true);
+                        return true;
+                    }catch(DirectoryNotFoundException){
+                        return true;
+                    }catch{
+                        return false;
+                    }
+                }, timeout, 500);
+            }).Start();
+        }
+
+        public static bool IsChildProcess(int pid){
+            try{
+                using(ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT ParentProcessId FROM Win32_Process WHERE ProcessId = "+pid)){
+                    foreach(ManagementBaseObject obj in searcher.Get()){
+                        return (uint)obj["ParentProcessId"] == CurrentProcessID;
+                    }
+                }
+
+                return false;
+            }catch{
+                return false;
+            }
+        }
+
+        public static void ClipboardStripHtmlStyles(){
+            if (!Clipboard.ContainsText(TextDataFormat.Html)){
+                return;
+            }
+
+            string originalText = Clipboard.GetText(TextDataFormat.UnicodeText);
+            string originalHtml = Clipboard.GetText(TextDataFormat.Html);
+
+            string updatedHtml = RegexStripHtmlStyles.Value.Replace(originalHtml, string.Empty);
+
+            int removed = originalHtml.Length-updatedHtml.Length;
+            updatedHtml = RegexOffsetClipboardHtml.Value.Replace(updatedHtml, match => (int.Parse(match.Value)-removed).ToString().PadLeft(match.Value.Length, '0'));
+
+            DataObject obj = new DataObject();
+            obj.SetText(originalText, TextDataFormat.UnicodeText);
+            obj.SetText(updatedHtml, TextDataFormat.Html);
+            SetClipboardData(obj);
+        }
+
+        public static void SetClipboard(string text, TextDataFormat format){
+            if (string.IsNullOrEmpty(text)){
+                return;
+            }
+
+            DataObject obj = new DataObject();
+            obj.SetText(text, format);
+            SetClipboardData(obj);
+        }
+
+        private static void SetClipboardData(DataObject obj){
+            try{
+                Clipboard.SetDataObject(obj);
+            }catch(ExternalException e){
+                Program.Reporter.HandleException("Clipboard Error", "TweetDuck could not access the clipboard as it is currently used by another process.", true, e);
+            }
+        }
+    }
+}

Data/CombinedFileStream.cs

@@ -0,0 +1,130 @@
+using System;
+using System.IO;
+using System.Text;
+using TweetDuck.Core.Utils;
+
+namespace TweetDuck.Data{
+    sealed class CombinedFileStream : IDisposable{
+        public const char KeySeparator = '|';
+
+        private readonly Stream stream;
+
+        public CombinedFileStream(Stream stream){
+            this.stream = stream;
+        }
+
+        public void WriteFile(string[] identifier, string path){
+            WriteFile(string.Join(KeySeparator.ToString(), identifier), path);
+        }
+
+        public void WriteFile(string identifier, string path){
+            byte[] name = Encoding.UTF8.GetBytes(identifier);
+
+            if (name.Length > 255){
+                throw new ArgumentOutOfRangeException("Identifier cannot be 256 or more characters long: "+identifier);
+            }
+
+            byte[] contents;
+
+            using(FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)){
+                int index = 0;
+                int left = (int)fileStream.Length;
+
+                contents = new byte[left];
+
+                while(left > 0){
+                    int read = fileStream.Read(contents, index, left);
+                    index += read;
+                    left -= read;
+                }
+            }
+
+            stream.WriteByte((byte)name.Length);
+            stream.Write(name, 0, name.Length);
+            stream.Write(BitConverter.GetBytes(contents.Length), 0, 4);
+            stream.Write(contents, 0, contents.Length);
+        }
+
+        public Entry ReadFile(){
+            int nameLength = stream.ReadByte();
+
+            if (nameLength == -1){
+                return null;
+            }
+
+            byte[] name = new byte[nameLength];
+            stream.Read(name, 0, nameLength);
+
+            byte[] contentLength = new byte[4];
+            stream.Read(contentLength, 0, 4);
+
+            byte[] contents = new byte[BitConverter.ToInt32(contentLength, 0)];
+            stream.Read(contents, 0, contents.Length);
+
+            return new Entry(Encoding.UTF8.GetString(name), contents);
+        }
+
+        public string SkipFile(){
+            int nameLength = stream.ReadByte();
+
+            if (nameLength == -1){
+                return null;
+            }
+
+            byte[] name = new byte[nameLength];
+            stream.Read(name, 0, nameLength);
+
+            byte[] contentLength = new byte[4];
+            stream.Read(contentLength, 0, 4);
+
+            stream.Position += BitConverter.ToInt32(contentLength, 0);
+
+            string keyName = Encoding.UTF8.GetString(name);
+            return StringUtils.ExtractBefore(keyName, KeySeparator);
+        }
+
+        public void Flush(){
+            stream.Flush();
+        }
+
+        void IDisposable.Dispose(){
+            stream.Dispose();
+        }
+
+        public sealed class Entry{
+            public string Identifier { get; }
+
+            public string KeyName{
+                get{
+                    return StringUtils.ExtractBefore(Identifier, KeySeparator);
+                }
+            }
+
+            public string[] KeyValue{
+                get{
+                    int index = Identifier.IndexOf(KeySeparator);
+                    return index == -1 ? StringUtils.EmptyArray : Identifier.Substring(index+1).Split(KeySeparator);
+                }
+            }
+
+            private readonly byte[] contents;
+
+            public Entry(string identifier, byte[] contents){
+                this.Identifier = identifier;
+                this.contents = contents;
+            }
+
+            public void WriteToFile(string path){
+                File.WriteAllBytes(path, contents);
+            }
+
+            public void WriteToFile(string path, bool createDirectory){
+                if (createDirectory){
+                    WindowsUtils.CreateDirectoryForFile(path);
+                }
+
+                File.WriteAllBytes(path, contents);
+            }
+        }
+    }
+}

Data/CommandLineArgs.cs

@@ -0,0 +1,137 @@
+using System.Collections.Generic;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace TweetDuck.Data{
+    sealed class CommandLineArgs{
+        public static CommandLineArgs FromStringArray(char entryChar, string[] array){
+            CommandLineArgs args = new CommandLineArgs();
+            ReadStringArray(entryChar, array, args);
+            return args;
+        }
+
+        public static void ReadStringArray(char entryChar, string[] array, CommandLineArgs targetArgs){
+            for(int index = 0; index < array.Length; index++){
+                string entry = array[index];
+
+                if (entry.Length > 0 && entry[0] == entryChar){
+                    if (index < array.Length-1){
+                        string potentialValue = array[index+1];
+
+                        if (potentialValue.Length > 0 && potentialValue[0] == entryChar){
+                            targetArgs.AddFlag(entry);
+                        }
+                        else{
+                            targetArgs.SetValue(entry, potentialValue);
+                            ++index;
+                        }
+                    }
+                    else{
+                        targetArgs.AddFlag(entry);
+                    }
+                }
+            }
+        }
+
+        public static CommandLineArgs ReadCefArguments(string argumentString){
+            CommandLineArgs args = new CommandLineArgs();
+
+            if (string.IsNullOrWhiteSpace(argumentString)){
+                return args;
+            }
+            
+            foreach(Match match in Regex.Matches(argumentString, @"([^=\s]+(?:=(?:\S*""[^""]*?""\S*|\S*))?)")){
+                string matchValue = match.Value;
+
+                int indexEquals = matchValue.IndexOf('=');
+                string key, value;
+
+                if (indexEquals == -1){
+                    key = matchValue.TrimStart('-');
+                    value = "1";
+                }
+                else{
+                    key = matchValue.Substring(0, indexEquals).TrimStart('-');
+                    value = matchValue.Substring(indexEquals+1).Trim('"');
+                }
+
+                if (key.Length != 0){
+                    args.SetValue(key, value);
+                }
+            }
+
+            return args;
+        }
+
+        private readonly HashSet<string> flags = new HashSet<string>();
+        private readonly Dictionary<string, string> values = new Dictionary<string, string>();
+
+        public int Count => flags.Count+values.Count;
+
+        public void AddFlag(string flag){
+            flags.Add(flag.ToLower());
+        }
+
+        public bool HasFlag(string flag){
+            return flags.Contains(flag.ToLower());
+        }
+
+        public void RemoveFlag(string flag){
+            flags.Remove(flag.ToLower());
+        }
+
+        public void SetValue(string key, string value){
+            values[key.ToLower()] = value;
+        }
+
+        public bool HasValue(string key){
+            return values.ContainsKey(key.ToLower());
+        }
+
+        public string GetValue(string key, string defaultValue){
+            return values.TryGetValue(key.ToLower(), out string val) ? val : defaultValue;
+        }
+
+        public void RemoveValue(string key){
+            values.Remove(key.ToLower());
+        }
+
+        public CommandLineArgs Clone(){
+            CommandLineArgs copy = new CommandLineArgs();
+
+            foreach(string flag in flags){
+                copy.AddFlag(flag);
+            }
+
+            foreach(KeyValuePair<string, string> kvp in values){
+                copy.SetValue(kvp.Key, kvp.Value);
+            }
+
+            return copy;
+        }
+
+        public void ToDictionary(IDictionary<string, string> target){
+            foreach(string flag in flags){
+                target[flag] = "1";
+            }
+
+            foreach(KeyValuePair<string, string> kvp in values){
+                target[kvp.Key] = kvp.Value;
+            }
+        }
+
+        public override string ToString(){
+            StringBuilder build = new StringBuilder();
+
+            foreach(string flag in flags){
+                build.Append(flag).Append(' ');
+            }
+
+            foreach(KeyValuePair<string, string> kvp in values){
+                build.Append(kvp.Key).Append(" \"").Append(kvp.Value).Append("\" ");
+            }
+
+            return build.Length == 0 ? string.Empty : build.Remove(build.Length-1, 1).ToString();
+        }
+    }
+}

Data/InjectedHTML.cs

@@ -0,0 +1,37 @@
+using System;
+
+namespace TweetDuck.Data{
+    sealed class InjectedHTML{
+        public enum Position{
+            Before, After
+        }
+
+        private readonly Position position;
+        private readonly string search;
+        private readonly string html;
+
+        public InjectedHTML(Position position, string search, string html){
+            this.position = position;
+            this.search = search;
+            this.html = html;
+        }
+
+        public string Inject(string targetHTML){
+            int index = targetHTML.IndexOf(search, StringComparison.Ordinal);
+
+            if (index == -1){
+                return targetHTML;
+            }
+
+            int cutIndex;
+
+            switch(position){
+                case Position.Before: cutIndex = index; break;
+                case Position.After: cutIndex = index+search.Length; break;
+                default: return targetHTML;
+            }
+
+            return targetHTML.Insert(cutIndex, html);
+        }
+    }
+}