LittleSheep/RhythmBox
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This commit is contained in:
LittleSheep
2024-08-29 16:42:48 +08:00
parent 7285eb4959
commit a063d19952
17 changed files with 405 additions and 211 deletions
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32
lib/widgets/lyrics/synced.dart → lib/widgets/lyrics/synced_lyrics.dart
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@ -28,15 +28,16 @@ class _SyncedLyricsState extends State<SyncedLyrics> {
final AutoScrollController _autoScrollController = AutoScrollController();
late final int _textZoomLevel = widget.defaultTextZoom;
late Duration _durationCurrent = audioPlayer.position;
SubtitleSimple? _lyric;
String? _activeTrackId;
bool get _isLyricSynced =>
_lyric == null ? false : _lyric!.lyrics.any((x) => x.time.inSeconds > 0);
Future<void> _pullLyrics() async {
if (_playback.state.value.activeTrack == null) return;
_activeTrackId = _playback.state.value.activeTrack!.id;
final out = await _syncedLyrics.fetch(_playback.state.value.activeTrack!);
setState(() => _lyric = out);
}
@ -49,11 +50,15 @@ class _SyncedLyricsState extends State<SyncedLyrics> {
@override
void initState() {
super.initState();
_subscriptions = [
audioPlayer.positionStream
.listen((dur) => setState(() => _durationCurrent = dur)),
];
_pullLyrics();
_subscriptions = [
_playback.state.listen((value) {
if (value.activeTrack == null) return;
if (value.activeTrack!.id != _activeTrackId) {
_pullLyrics();
}
}),
];
}
@override
@ -77,18 +82,19 @@ class _SyncedLyricsState extends State<SyncedLyrics> {
if (_lyric != null && _lyric!.lyrics.isNotEmpty)
SliverList.builder(
itemCount: _lyric!.lyrics.length,
itemBuilder: (context, idx) {
itemBuilder: (context, idx) => Obx(() {
final lyricSlice = _lyric!.lyrics[idx];
final lyricNextSlice = idx + 1 < _lyric!.lyrics.length
? _lyric!.lyrics[idx + 1]
: null;
final isActive =
_durationCurrent.inSeconds >= lyricSlice.time.inSeconds &&
(lyricNextSlice == null ||
lyricNextSlice.time.inSeconds >
_durationCurrent.inSeconds);
final isActive = _playback.durationCurrent.value.inSeconds >=
lyricSlice.time.inSeconds &&
(lyricNextSlice == null ||
lyricNextSlice.time.inSeconds >
_playback.durationCurrent.value.inSeconds);
if (_durationCurrent.inSeconds == lyricSlice.time.inSeconds &&
if (_playback.durationCurrent.value.inSeconds ==
lyricSlice.time.inSeconds &&
_isLyricSynced) {
_autoScrollController.scrollToIndex(
idx,
@ -150,7 +156,7 @@ class _SyncedLyricsState extends State<SyncedLyrics> {
),
),
);
},
}),
),
],
);