Manage global shortcuts (#635)

app/MindWork AI Studio/Tools/Services/GlobalShortcutService.cs

@@ -0,0 +1,111 @@
+using AIStudio.Settings;
+using AIStudio.Settings.DataModel;
+using AIStudio.Tools.Rust;
+
+using Microsoft.AspNetCore.Components;
+
+namespace AIStudio.Tools.Services;
+
+public sealed class GlobalShortcutService : BackgroundService, IMessageBusReceiver
+{
+    private static bool IS_INITIALIZED;
+
+    private readonly ILogger<GlobalShortcutService> logger;
+    private readonly SettingsManager settingsManager;
+    private readonly MessageBus messageBus;
+    private readonly RustService rustService;
+
+    public GlobalShortcutService(
+        ILogger<GlobalShortcutService> logger,
+        SettingsManager settingsManager,
+        MessageBus messageBus,
+        RustService rustService)
+    {
+        this.logger = logger;
+        this.settingsManager = settingsManager;
+        this.messageBus = messageBus;
+        this.rustService = rustService;
+
+        this.messageBus.RegisterComponent(this);
+        this.ApplyFilters([], [Event.CONFIGURATION_CHANGED]);
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        // Wait until the app is fully initialized:
+        while (!stoppingToken.IsCancellationRequested && !IS_INITIALIZED)
+            await Task.Delay(TimeSpan.FromSeconds(1), stoppingToken);
+
+        // Register shortcuts on startup:
+        await this.RegisterAllShortcuts();
+    }
+
+    public override async Task StopAsync(CancellationToken cancellationToken)
+    {
+        this.messageBus.Unregister(this);
+        await base.StopAsync(cancellationToken);
+    }
+
+    #region IMessageBusReceiver
+    
+    public async Task ProcessMessage<T>(ComponentBase? sendingComponent, Event triggeredEvent, T? data)
+    {
+        switch (triggeredEvent)
+        {
+            case Event.CONFIGURATION_CHANGED:
+                await this.RegisterAllShortcuts();
+                break;
+        }
+    }
+
+    public Task<TResult?> ProcessMessageWithResult<TPayload, TResult>(ComponentBase? sendingComponent, Event triggeredEvent, TPayload? data) => Task.FromResult<TResult?>(default);
+
+    #endregion
+
+    private async Task RegisterAllShortcuts()
+    {
+        this.logger.LogInformation("Registering global shortcuts.");
+        foreach (var shortcutId in Enum.GetValues<Shortcut>())
+        {
+            if(shortcutId is Shortcut.NONE)
+                continue;
+            
+            var shortcut = this.GetShortcutValue(shortcutId);
+            var isEnabled = this.IsShortcutAllowed(shortcutId);
+
+            if (isEnabled && !string.IsNullOrWhiteSpace(shortcut))
+            {
+                var success = await this.rustService.UpdateGlobalShortcut(shortcutId, shortcut);
+                if (success)
+                    this.logger.LogInformation("Global shortcut '{ShortcutId}' ({Shortcut}) registered.", shortcutId, shortcut);
+                else
+                    this.logger.LogWarning("Failed to register global shortcut '{ShortcutId}' ({Shortcut}).", shortcutId, shortcut);
+            }
+            else
+            {
+                // Disable the shortcut when empty or feature is disabled:
+                await this.rustService.UpdateGlobalShortcut(shortcutId, string.Empty);
+            }
+        }
+
+        this.logger.LogInformation("Global shortcuts registration completed.");
+    }
+
+    private string GetShortcutValue(Shortcut name) => name switch
+    {
+        Shortcut.VOICE_RECORDING_TOGGLE => this.settingsManager.ConfigurationData.App.ShortcutVoiceRecording,
+        
+        _ => string.Empty,
+    };
+
+    private bool IsShortcutAllowed(Shortcut name) => name switch
+    {
+        // Voice recording is a preview feature:
+        Shortcut.VOICE_RECORDING_TOGGLE => PreviewFeatures.PRE_SPEECH_TO_TEXT_2026.IsEnabled(this.settingsManager),
+        
+        // Other shortcuts are always allowed:
+        _ => true,
+    };
+
+    public static void Initialize() => IS_INITIALIZED = true;
+}