feat.airapp与融合桌面

LanMountainDesktop.AirAppHost/WorldClockAirAppView.axaml.cs

@@ -0,0 +1,52 @@
+using System.Globalization;
+using Avalonia.Controls;
+using Avalonia.Threading;
+
+namespace LanMountainDesktop.AirAppHost;
+
+public sealed partial class WorldClockAirAppView : UserControl
+{
+    private readonly DispatcherTimer _timer = new()
+    {
+        Interval = TimeSpan.FromSeconds(1)
+    };
+
+    private readonly AirAppLaunchOptions _options;
+
+    public WorldClockAirAppView()
+        : this(AirAppLaunchOptions.Parse([]))
+    {
+    }
+
+    public WorldClockAirAppView(AirAppLaunchOptions options)
+    {
+        _options = options;
+        InitializeComponent();
+
+        SessionTextBlock.Text = string.IsNullOrWhiteSpace(_options.SourcePlacementId)
+            ? "World Clock"
+            : $"World Clock / {_options.SourcePlacementId}";
+
+        _timer.Tick += OnTimerTick;
+        AttachedToVisualTree += (_, _) =>
+        {
+            UpdateTime();
+            _timer.Start();
+        };
+        DetachedFromVisualTree += (_, _) => _timer.Stop();
+        UpdateTime();
+    }
+
+    private void OnTimerTick(object? sender, EventArgs e)
+    {
+        UpdateTime();
+    }
+
+    private void UpdateTime()
+    {
+        var now = DateTime.Now;
+        TimeTextBlock.Text = now.ToString("HH:mm:ss", CultureInfo.CurrentCulture);
+        DateTextBlock.Text = now.ToString("yyyy-MM-dd dddd", CultureInfo.CurrentCulture);
+        TimeZoneTextBlock.Text = TimeZoneInfo.Local.DisplayName;
+    }
+}