Add basic support for web based plugins

src/DesktopMagic/DesktopMagic.csproj

@@ -46,6 +46,7 @@
         <PackageReference Include="CuteUtils" Version="1.0.0" />
         <PackageReference Include="Interop.IWshRuntimeLibrary" Version="1.0.1" />
         <PackageReference Include="MaterialDesignThemes" Version="5.1.0" />
+        <PackageReference Include="Microsoft.Web.WebView2" Version="1.0.2592.51" />
         <PackageReference Include="Modio" Version="1.0.0" />
         <PackageReference Include="NAudio" Version="2.2.1" />
         <PackageReference Include="System.Management" Version="8.0.0" />

src/DesktopMagic/Helpers/SettingElementGenerator.cs

@@ -230,7 +230,10 @@ internal class SettingElementGenerator(ComboBox optionsComboBox)
         _ = MessageBox.Show("File execution error:\n" + message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
         int index = MainWindow.WindowNames.IndexOf(optionsComboBox.SelectedItem.ToString() ?? string.Empty);
 
-        PluginWindow window = MainWindow.Windows[index];
+        if (index >= 0 && index < MainWindow.Windows.Count)
+        {
+            IPluginWindow window = MainWindow.Windows[index];
             window?.Exit();
         }
     }
+}

src/DesktopMagic/MainWindow.xaml.cs

@@ -33,7 +33,7 @@ namespace DesktopMagic
 
         private bool loaded = false;
         private bool blockWindowsClosing = true;
-        public static List<PluginWindow> Windows { get; } = [];
+        public static List<IPluginWindow> Windows { get; } = [];
         public static List<string> WindowNames { get; } = [];
 
         private DesktopMagicSettings Settings
@@ -115,17 +115,18 @@ namespace DesktopMagic
 
             foreach (var buildInPlugin in builtInPlugins.Keys)
             {
-                plugins.Add(buildInPlugin.Id, new(buildInPlugin, string.Empty));
+                plugins.Add(buildInPlugin.Id, new(buildInPlugin, PluginType.DotNet, string.Empty));
             }
 
             foreach (string directory in Directory.GetDirectories(App.PluginsPath))
             {
                 string? pluginDllPath = Directory.GetFiles(directory, "main.dll").FirstOrDefault();
+                string? pluginHtmlPath = Directory.GetFiles(directory, "main.html").FirstOrDefault();
                 string? pluginMetadataPath = Directory.GetFiles(directory, "metadata.json").FirstOrDefault();
 
-                if (pluginDllPath is null)
+                if (pluginDllPath is null && pluginHtmlPath is null)
                 {
-                    App.Logger.LogError($"Plugin \"{directory}\" has no \"main.dll\"", source: "Main");
+                    App.Logger.LogError($"Plugin \"{directory}\" has no \"main.dll\" or \"main.html\"", source: "Main");
                     continue;
                 }
 
@@ -149,7 +150,14 @@ namespace DesktopMagic
                     continue;
                 }
 
-                plugins.Add(pluginMetadata.Id, new(pluginMetadata, directory));
+                PluginType pluginType = PluginType.DotNet;
+
+                if (pluginHtmlPath is not null)
+                {
+                    pluginType = PluginType.Web;
+                }
+
+                plugins.Add(pluginMetadata.Id, new(pluginMetadata, pluginType, directory));
             }
             mainWindowDataContext.IsLoading = false;
         }
@@ -160,7 +168,7 @@ namespace DesktopMagic
 
         private void EditCheckBox_Click(object? sender, RoutedEventArgs? e)
         {
-            foreach (PluginWindow window in Windows)
+            foreach (IPluginWindow window in Windows)
             {
                 window.SetEditMode(editCheckBox.IsChecked == true);
             }
@@ -213,7 +221,7 @@ namespace DesktopMagic
                 return;
             }
 
-            PluginWindow window;
+            IPluginWindow window;
 
             if (builtInPlugins.TryGetValue(internalPluginData.Metadata, out Type? pluginType))
             {
@@ -222,6 +230,13 @@ namespace DesktopMagic
                     Title = internalPluginData.Metadata.Id.ToString()
                 };
             }
+            else if (internalPluginData.Type == PluginType.Web)
+            {
+                window = new WebPluginWindow(internalPluginData.Metadata, pluginSettings, internalPluginData.DirectoryPath)
+                {
+                    Title = internalPluginData.Metadata.Id.ToString()
+                };
+            }
             else
             {
                 window = new PluginWindow(internalPluginData.Metadata, pluginSettings, internalPluginData.DirectoryPath)
@@ -241,11 +256,12 @@ namespace DesktopMagic
                     }
                     optionsComboBox.SelectedIndex = -1;
                     optionsComboBox.SelectedIndex = optionsComboBox.Items.IndexOf(internalPluginData.Metadata);
+
                     window.PluginLoaded -= onPluginLoaded;
                 });
             };
 
-            window.OnExit += () =>
+            Action onExit = () =>
             {
                 Windows.Remove(window);
                 WindowNames.Remove(window.Title);
@@ -254,11 +270,13 @@ namespace DesktopMagic
                 blockWindowsClosing = true;
                 pluginSettings.Enabled = false;
             };
-            window.PluginLoaded += onPluginLoaded;
 
-            window.ShowInTaskbar = false;
+            window.PluginLoaded += onPluginLoaded;
+            window.OnExit += onExit;
+
             window.Show();
             window.SetEditMode(editCheckBox.IsChecked == true);
+
             window.Closing += DisplayWindow_Closing;
             Windows.Add(window);
             WindowNames.Add(window.Title);
@@ -289,7 +307,7 @@ namespace DesktopMagic
         {
             Visibility = Visibility.Collapsed;
             UpdateLayout();
-            foreach (Window window in Windows)
+            foreach (IPluginWindow window in Windows)
             {
                 window.Hide();
             }
@@ -527,7 +545,7 @@ namespace DesktopMagic
             mainWindowDataContext.IsLoading = true;
             blockWindowsClosing = false;
 
-            foreach (Window window in Windows)
+            foreach (IPluginWindow window in Windows)
             {
                 window.Close();
             }
@@ -630,9 +648,16 @@ namespace DesktopMagic
         }
     }
 
-    internal class InternalPluginData(PluginMetadata pluginMetadata, string directoryPath)
+    internal class InternalPluginData(PluginMetadata pluginMetadata, PluginType pluginType, string directoryPath)
     {
         public PluginMetadata Metadata { get; set; } = pluginMetadata;
+        public PluginType Type { get; set; } = pluginType;
         public string DirectoryPath { get; set; } = directoryPath;
+
+    }
+    internal enum PluginType
+    {
+        DotNet,
+        Web
     }
 }

src/DesktopMagic/Plugins/IPluginWindow.cs

@@ -0,0 +1,24 @@
+using DesktopMagic.Plugins;
+
+using System;
+
+namespace DesktopMagic;
+
+public interface IPluginWindow
+{
+    event Action? PluginLoaded;
+    event Action? OnExit;
+
+    bool IsRunning { get; }
+    PluginMetadata PluginMetadata { get; }
+    string PluginFolderPath { get; }
+    string Title { get; set; }
+
+    void Exit();
+    void SetEditMode(bool enabled);
+    void Show();
+    void Hide();
+    void Close();
+
+    event System.ComponentModel.CancelEventHandler Closing;
+}

src/DesktopMagic/Plugins/PluginManager.xaml.cs

@@ -241,12 +241,12 @@ public partial class PluginManager : Window
 
             File.Delete(zipFilePath);
 
-            if (!File.Exists(Path.Combine(pluginPath, "main.dll")))
+            if (!File.Exists(Path.Combine(pluginPath, "main.dll")) && !File.Exists(Path.Combine(pluginPath, "main.html")))
             {
-                App.Logger.LogError($"Plugin {mod.Id} does not contain main.dll", source: "PluginManager");
+                App.Logger.LogError($"Plugin {mod.Id} does not contain main.dll or main.html", source: "PluginManager");
                 _ = Remove(pluginPath, mod.Id);
                 pluginManagerDataContext.IsLoading = false;
-                _ = MessageBox.Show("The plugin you are trying to install does not contain a \"main.dll\" file. Please contact the plugin author.", "Plugin Manager", MessageBoxButton.OK, MessageBoxImage.Error);
+                _ = MessageBox.Show("The plugin you are trying to install does not contain a \"main.dll\" or \"main.html\" file. Please contact the plugin author.", "Plugin Manager", MessageBoxButton.OK, MessageBoxImage.Error);
                 return;
             }
 

src/DesktopMagic/Plugins/PluginWindow.xaml

@@ -8,6 +8,7 @@
         Title="PluginWindow" Height="450" Width="800"
         Background="Transparent"
         WindowStyle="None"
+        ShowInTaskbar="False"
         AllowsTransparency="True"
         LocationChanged="Window_LocationChanged"
         SizeChanged="Window_SizeChanged"

src/DesktopMagic/Plugins/PluginWindow.xaml.cs

@@ -23,7 +23,7 @@ using System.Windows.Media.Imaging;
 
 namespace DesktopMagic;
 
-public partial class PluginWindow : Window
+public partial class PluginWindow : Window, IPluginWindow
 {
     public event Action? PluginLoaded;
 
@@ -177,13 +177,6 @@ public partial class PluginWindow : Window
         pluginThread.Start();
     }
 
-    private void ThemeChanged()
-    {
-        viewBox.Margin = new Thickness(settings.Theme.Margin);
-        border.Background = new SolidColorBrush(MultiColorConverter.ConvertToMediaColor(settings.Theme.BackgroundColor));
-        border.CornerRadius = new CornerRadius(settings.Theme.CornerRadius);
-    }
-
     private void LoadPlugin()
     {
         App.Logger.LogInfo($"\"{PluginMetadata.Name}\" - Loading plugin", source: "Plugin");
@@ -211,6 +204,13 @@ public partial class PluginWindow : Window
         PluginLoaded?.Invoke();
     }
 
+    private void ThemeChanged()
+    {
+        viewBox.Margin = new Thickness(settings.Theme.Margin);
+        border.Background = new SolidColorBrush(MultiColorConverter.ConvertToMediaColor(settings.Theme.BackgroundColor));
+        border.CornerRadius = new CornerRadius(settings.Theme.CornerRadius);
+    }
+
     private void ExecuteSource()
     {
         object? instance = pluginClassInstance;

src/DesktopMagic/Plugins/WebPluginWindow.xaml

@@ -0,0 +1,32 @@
+<Window x:Class="DesktopMagic.WebPluginWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:DesktopMagic"
+        xmlns:wv2="clr-namespace:Microsoft.Web.WebView2.Wpf;assembly=Microsoft.Web.WebView2.Wpf"
+        mc:Ignorable="d"
+        Title="WebPluginWindow" Height="450" Width="800"
+        Background="Transparent"
+        WindowStyle="None"
+        ShowInTaskbar="False"
+        AllowsTransparency="True"
+        LocationChanged="Window_LocationChanged"
+        SizeChanged="Window_SizeChanged"
+        Closing="Window_Closing"
+        ContentRendered="Window_ContentRendered"
+        x:Name="window">
+    <Grid>
+        <Rectangle x:Name="panel" Fill="#4CBAFFEF" Stroke="White" Margin="0,0,0,0" Visibility="Collapsed" />
+
+        <Border x:Name="border" Background="Transparent" CornerRadius="10">
+            <Grid>
+                <wv2:WebView2 x:Name="webView" DefaultBackgroundColor="Transparent" />
+                <Rectangle Fill="Transparent"  IsHitTestVisible="True" />
+            </Grid>
+        </Border>
+    </Grid>
+    <WindowChrome.WindowChrome>
+        <WindowChrome x:Name="tileBar" CaptionHeight="30" ResizeBorderThickness="{x:Static SystemParameters.WindowResizeBorderThickness}" />
+    </WindowChrome.WindowChrome>
+</Window>

src/DesktopMagic/Plugins/WebPluginWindow.xaml.cs

@@ -0,0 +1,205 @@
+using DesktopMagic.Helpers;
+using DesktopMagic.Plugins;
+using DesktopMagic.Settings;
+
+using Microsoft.Web.WebView2.Core;
+
+using System;
+using System.IO;
+using System.Windows;
+using System.Windows.Interop;
+using System.Windows.Media;
+
+namespace DesktopMagic;
+
+public partial class WebPluginWindow : Window, IPluginWindow
+{
+    public event Action? PluginLoaded;
+
+    public event Action? OnExit;
+
+    private readonly PluginSettings settings;
+    private bool isInitialized = false;
+
+    public bool IsRunning { get; private set; } = true;
+    public PluginMetadata PluginMetadata { get; private set; }
+    public string PluginFolderPath { get; private set; }
+
+    public WebPluginWindow(PluginMetadata pluginMetadata, PluginSettings settings, string pluginFolderPath)
+    {
+        InitializeComponent();
+
+        Window w = new()
+        {
+            Top = -100,
+            Left = -100,
+            Width = 0,
+            Height = 0,
+
+            WindowStyle = WindowStyle.ToolWindow,
+            ShowInTaskbar = false
+        };
+
+        WindowInteropHelper helper = new WindowInteropHelper(w);
+        _ = helper.EnsureHandle();
+
+        Owner = w;
+
+        settings.PropertyChanged += (e, s) =>
+        {
+            if (s.PropertyName == nameof(PluginSettings.CurrentThemeName))
+            {
+                settings.Theme.PropertyChanged += (se, ev) =>
+                {
+                    ThemeChanged();
+                };
+                ThemeChanged();
+            }
+        };
+
+        PluginMetadata = pluginMetadata;
+        this.settings = settings;
+
+        Left = settings.Position.X;
+        Top = settings.Position.Y;
+        Width = settings.Size.X;
+        Height = settings.Size.Y;
+
+        PluginFolderPath = pluginFolderPath;
+    }
+
+    public void Exit()
+    {
+        IsRunning = false;
+
+        Dispatcher.Invoke(() =>
+        {
+            OnExit?.Invoke();
+        });
+    }
+
+    public void SetEditMode(bool enabled)
+    {
+        if (enabled)
+        {
+            Topmost = true;
+            panel.Visibility = Visibility.Visible;
+            _ = W32.EnableWindow(webView.Handle, false);
+            WindowPos.SetIsLocked(this, false);
+            tileBar.CaptionHeight = tileBar.CaptionHeight = ActualHeight - 10 < 0 ? 0 : ActualHeight - 10;
+            ResizeMode = ResizeMode.CanResize;
+        }
+        else
+        {
+            Topmost = false;
+            panel.Visibility = Visibility.Collapsed;
+            _ = W32.EnableWindow(webView.Handle, true);
+            WindowPos.SendWpfWindowBack(this);
+            WindowPos.SendWpfWindowBack(this);
+            WindowPos.SetIsLocked(this, true);
+            tileBar.CaptionHeight = 0;
+            ResizeMode = ResizeMode.NoResize;
+        }
+    }
+
+    protected override void OnSourceInitialized(EventArgs e)
+    {
+        base.OnSourceInitialized(e);
+
+        WindowInteropHelper helper = new(this);
+        _ = WindowPos.SetWindowLong(helper.Handle, WindowPos.GWL_EXSTYLE,
+        WindowPos.GetWindowLong(helper.Handle, WindowPos.GWL_EXSTYLE) | WindowPos.WS_EX_NOACTIVATE);
+    }
+
+    private async void Window_ContentRendered(object? sender, EventArgs e)
+    {
+        App.Logger.LogInfo($"\"{PluginMetadata.Name}\" - Starting web plugin", source: "WebPlugin");
+
+        try
+        {
+            await InitializeWebView();
+        }
+        catch (Exception ex)
+        {
+            App.Logger.LogError($"\"{PluginMetadata.Name}\" - {ex}", source: "WebPlugin");
+            _ = MessageBox.Show("WebView2 initialization error:\n" + ex, $"Error \"{PluginMetadata.Name}\"", MessageBoxButton.OK, MessageBoxImage.Error);
+            Exit();
+        }
+    }
+
+    private void ThemeChanged()
+    {
+        border.Background = new SolidColorBrush(MultiColorConverter.ConvertToMediaColor(settings.Theme.BackgroundColor));
+        border.CornerRadius = new CornerRadius(settings.Theme.CornerRadius);
+    }
+
+    private async System.Threading.Tasks.Task InitializeWebView()
+    {
+        App.Logger.LogInfo($"\"{PluginMetadata.Name}\" - Initializing WebView2", source: "WebPlugin");
+
+        string htmlPath = Path.Combine(PluginFolderPath, "main.html");
+
+        if (!File.Exists(htmlPath))
+        {
+            App.Logger.LogError($"\"{PluginMetadata.Name}\" - File \"main.html\" does not exist", source: "WebPlugin");
+            _ = MessageBox.Show("File \"main.html\" does not exist!", $"Error \"{PluginMetadata.Name}\"", MessageBoxButton.OK, MessageBoxImage.Error);
+            Exit();
+            return;
+        }
+
+        try
+        {
+            string userDataFolder = Path.Combine(Path.GetTempPath(), "DesktopMagic", "WebView2", PluginMetadata.Id.ToString());
+            CoreWebView2Environment environment = await CoreWebView2Environment.CreateAsync(null, userDataFolder);
+            await webView.EnsureCoreWebView2Async(environment);
+
+            webView.CoreWebView2.Settings.AreDefaultContextMenusEnabled = false;
+            webView.CoreWebView2.Settings.AreDevToolsEnabled = false;
+            webView.CoreWebView2.Settings.IsStatusBarEnabled = false;
+            webView.CoreWebView2.Settings.AreDefaultScriptDialogsEnabled = true;
+
+            string htmlUri = new Uri(htmlPath).AbsoluteUri;
+            webView.Source = new Uri(htmlUri);
+
+            isInitialized = true;
+
+            App.Logger.LogInfo($"\"{PluginMetadata.Name}\" - WebView2 initialized successfully", source: "WebPlugin");
+            PluginLoaded?.Invoke();
+        }
+        catch (Exception ex)
+        {
+            App.Logger.LogError($"\"{PluginMetadata.Name}\" - WebView2 initialization failed: {ex}", source: "WebPlugin");
+            throw;
+        }
+    }
+
+    private void Window_Closing(object sender, System.ComponentModel.CancelEventArgs e)
+    {
+        App.Logger.LogInfo($"\"{PluginMetadata.Name}\" - Stopping web plugin", source: "WebPlugin");
+        IsRunning = false;
+
+        try
+        {
+            if (isInitialized && webView.CoreWebView2 != null)
+            {
+                webView.Dispose();
+            }
+        }
+        catch (Exception ex)
+        {
+            App.Logger.LogError($"\"{PluginMetadata.Name}\" - {ex}", source: "WebPlugin");
+        }
+    }
+
+    private void Window_LocationChanged(object sender, EventArgs e)
+    {
+        settings.Position = new System.Windows.Point(Left, Top);
+    }
+
+    private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
+    {
+        settings.Size = new System.Windows.Point(Width, Height);
+
+        tileBar.CaptionHeight = ActualHeight - 10;
+    }
+}