Initial commit

lib/features/player/widgets/popover/player_panel_controller.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/foundation.dart';
+
+
+enum PlayerPanelCategory { subtitle, audio, speed, fit, episode, danmaku }
+
+
+class PlayerPanelController extends ValueNotifier<PlayerPanelCategory?> {
+  PlayerPanelController() : super(null);
+
+  bool get isOpen => value != null;
+  PlayerPanelCategory? get category => value;
+
+  void open(PlayerPanelCategory category) => value = category;
+
+
+  void toggle(PlayerPanelCategory category) =>
+      value = (value == category) ? null : category;
+
+  void close() => value = null;
+}