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;
}