修复岛播放器初始化时的父窗口选择

src/Desktop/BiliCopilot.UI/Controls/Core/Player/IslandPlayer.cs

@@ -12,7 +12,7 @@ namespace BiliCopilot.UI.Controls.Core;
 /// </summary>
 public sealed partial class IslandPlayer : LayoutControlBase<IslandPlayerViewModel>
 {
- private readonly Window _parentWindow;
+ private Window _parentWindow;
  private MpvPlayerWindow _playerWindow;
  private MpvPlayerOverlayWindow _overlayWindow;
  private double _scale;
@@ -27,7 +27,6 @@ public sealed partial class IslandPlayer : LayoutControlBase<IslandPlayerViewMod
  public IslandPlayer()
  {
  DefaultStyleKey = typeof(IslandPlayer);
- _parentWindow = this.Get<AppViewModel>().ActivatedWindow;
  }
 
  /// <summary>
@@ -57,6 +56,7 @@ protected override void OnApplyTemplate()
  /// <inheritdoc/>
  protected override async void OnControlLoaded()
  {
+ _parentWindow = ViewModel.AttachedWindow;
  InitializeLayoutPoints();
  if (_playerWindow is null)
  {

src/Desktop/BiliCopilot.UI/ViewModels/Core/PlayerViewModelBase/PlayerViewModelBase.Properties.cs

@@ -158,6 +158,11 @@ public abstract partial class PlayerViewModelBase
  /// 视频标题.
  /// </summary>
  public string Title { get; set; }
+
+ /// <summary>
+ /// 播放器关联的窗口.
+ /// </summary>
+ public Window AttachedWindow { get; set; }
 }
 #pragma warning restore SA1600 // Elements should be documented
 #pragma warning restore SA1401 // Fields should be private

src/Desktop/BiliCopilot.UI/ViewModels/Core/PlayerViewModelBase/PlayerViewModelBase.cs

@@ -173,6 +173,7 @@ public Task CloseAsync()
  {
  IsPaused = true;
  _isClosed = true;
+ AttachedWindow = default;
  if (_smtc is not null)
  {
  _smtc.DisplayUpdater.ClearAll();

src/Desktop/BiliCopilot.UI/ViewModels/View/PlayerPageViewModelBase.cs

@@ -31,5 +31,7 @@ protected PlayerPageViewModelBase()
  PlayerType.Island => new IslandPlayerViewModel(),
  _ => new NativePlayerViewModel(),
  };
+
+ Player.AttachedWindow = this.Get<AppViewModel>().ActivatedWindow;
  }
 }