aves/lib/widgets/viewer/video/conductor.dart
2022-12-08 23:50:34 +01:00

61 lines
2.3 KiB
Dart

import 'dart:async';
import 'package:aves/model/entry.dart';
import 'package:aves/model/settings/enums/enums.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves/widgets/viewer/video/controller.dart';
import 'package:aves/widgets/viewer/video/fijkplayer.dart';
import 'package:collection/collection.dart';
class VideoConductor {
final List<AvesVideoController> _controllers = [];
final List<StreamSubscription> _subscriptions = [];
final bool persistPlayback;
static const _defaultMaxControllerCount = 3;
VideoConductor({required this.persistPlayback});
Future<void> dispose() async {
await Future.forEach<AvesVideoController>(_controllers, (controller) => controller.dispose());
_subscriptions
..forEach((sub) => sub.cancel())
..clear();
_controllers.clear();
if (settings.keepScreenOn == KeepScreenOn.videoPlayback) {
await windowService.keepScreenOn(false);
}
}
AvesVideoController getOrCreateController(AvesEntry entry, {int? maxControllerCount}) {
var controller = getController(entry);
if (controller != null) {
_controllers.remove(controller);
} else {
controller = IjkPlayerAvesVideoController(entry, persistPlayback: persistPlayback);
_subscriptions.add(controller.statusStream.listen(_onControllerStatusChanged));
}
_controllers.insert(0, controller);
while (_controllers.length > (maxControllerCount ?? _defaultMaxControllerCount)) {
_controllers.removeLast().dispose();
}
return controller;
}
AvesVideoController? getController(AvesEntry entry) {
return _controllers.firstWhereOrNull((c) => c.entry.uri == entry.uri && c.entry.pageId == entry.pageId);
}
Future<void> _onControllerStatusChanged(VideoStatus status) async {
if (settings.keepScreenOn == KeepScreenOn.videoPlayback) {
await windowService.keepScreenOn(status == VideoStatus.playing);
}
}
Future<void> _applyToAll(FutureOr Function(AvesVideoController controller) action) => Future.forEach<AvesVideoController>(_controllers, action);
Future<void> pauseAll() => _applyToAll((controller) => controller.pause());
Future<void> muteAll(bool muted) => _applyToAll((controller) => controller.mute(muted));
}