mucke/lib/presentation/state/audio_store.dart
2020-05-27 21:54:33 +02:00

85 lines
2 KiB
Dart

import 'package:meta/meta.dart';
import 'package:mobx/mobx.dart';
import '../../domain/entities/playback_state.dart';
import '../../domain/entities/song.dart';
import '../../domain/repositories/audio_repository.dart';
import '../../domain/repositories/music_data_repository.dart';
part 'audio_store.g.dart';
class AudioStore extends _AudioStore with _$AudioStore {
AudioStore(
{@required MusicDataRepository musicDataRepository,
@required AudioRepository audioRepository})
: super(musicDataRepository, audioRepository);
}
abstract class _AudioStore with Store {
_AudioStore(this._musicDataRepository, this._audioRepository);
final MusicDataRepository _musicDataRepository;
final AudioRepository _audioRepository;
bool _initialized = false;
final List<ReactionDisposer> _disposers = [];
@observable
ObservableStream<Song> currentSong;
@observable
Song song;
@observable
ObservableStream<PlaybackState> playbackStateStream;
@observable
ObservableStream<int> currentPositionStream;
@action
void init() {
if (!_initialized) {
print('AudioStore.init');
currentSong = _audioRepository.currentSongStream.asObservable();
currentPositionStream =
_audioRepository.currentPositionStream.asObservable(initialValue: 0);
_disposers.add(autorun((_) {
updateSong(currentSong.value);
}));
playbackStateStream = _audioRepository.playbackStateStream.asObservable();
_initialized = true;
}
}
void dispose() {
print('AudioStore.dispose');
_disposers.forEach((d) => d());
}
@action
Future<void> playSong(int index, List<Song> songList) async {
_audioRepository.playSong(index, songList);
}
@action
Future<void> play() async {
_audioRepository.play();
}
@action
Future<void> pause() async {
_audioRepository.pause();
}
@action
Future<void> updateSong(Song streamValue) async {
print('updateSong');
if (streamValue != null && streamValue != song) {
print('actually updating...');
song = streamValue;
}
}
}