Upgrade Avalonia

src/Artemis.UI.Shared/Utilities.cs

@@ -1,29 +1,29 @@
 using System;
 using System.Reactive.Concurrency;
 using System.Reactive.Linq;
+using System.Reactive.Subjects;
 using System.Threading;
 using Avalonia.Controls;
 using Avalonia.Input;
 using Avalonia.Input.Platform;
-using IContainer = DryIoc.IContainer;
+using Avalonia.Threading;
+using DryIoc;
 
 namespace Artemis.UI.Shared;
 
 /// <summary>
-/// Static UI helpers.
+///     Static UI helpers.
 /// </summary>
 public static class UI
 {
+    private static readonly BehaviorSubject<bool> MicaEnabledSubject = new(false);
+
+    public static EventLoopScheduler BackgroundScheduler = new(ts => new Thread(ts));
+
     static UI()
     {
         KeyBindingsEnabled = InputElement.GotFocusEvent.Raised.Select(e => e.Item2.Source is not TextBox).StartWith(true);
-    }
-    
-    public static EventLoopScheduler BackgroundScheduler = new EventLoopScheduler(ts => new Thread(ts));
-
-    internal static void ClearCache()
-    {
-        DeviceVisualizer.BitmapCache.Clear();
+        MicaEnabled = MicaEnabledSubject.AsObservable();
     }
 
     /// <summary>
@@ -40,4 +40,24 @@ public static class UI
     ///     Gets a boolean indicating whether hotkeys are to be disabled.
     /// </summary>
     public static IObservable<bool> KeyBindingsEnabled { get; }
+
+    /// <summary>
+    ///     Gets a boolean indicating whether the Mica effect should be enabled.
+    /// </summary>
+    public static IObservable<bool> MicaEnabled { get; }
+
+    /// <summary>
+    ///     Changes whether Mica should be enabled.
+    /// </summary>
+    /// <param name="enabled"></param>
+    public static void SetMicaEnabled(bool enabled)
+    {
+        if (MicaEnabledSubject.Value != enabled)
+            Dispatcher.UIThread.Invoke(() => MicaEnabledSubject.OnNext(enabled));
+    }
+
+    internal static void ClearCache()
+    {
+        DeviceVisualizer.BitmapCache.Clear();
+    }
 }