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Add sequenceStream and sequenceStateStream.

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This commit is contained in:
Ryan Heise 2020-08-12 01:25:20 +10:00
parent b18e2bd530
commit 0a772d1927
3 changed files with 92 additions and 32 deletions
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38
example/lib/main.dart
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@ -50,11 +50,6 @@ class _MyAppState extends State<MyApp> {
),
]);
List<IndexedAudioSource> get _sequence => _playlist.sequence;
List<AudioMetadata> get _metadataSequence =>
_sequence.map((s) => s.tag as AudioMetadata).toList();
@override
void initState() {
super.initState();
@ -92,11 +87,12 @@ class _MyAppState extends State<MyApp> {
mainAxisAlignment: MainAxisAlignment.center,
children: [
Expanded(
child: StreamBuilder<int>(
stream: _player.currentIndexStream,
child: StreamBuilder<SequenceState>(
stream: _player.sequenceStateStream,
builder: (context, snapshot) {
final index = snapshot.data ?? 0;
final metadata = _metadataSequence[index];
final state = snapshot.data;
if (state?.sequence?.isEmpty ?? true) return SizedBox();
final metadata = state.currentSource.tag as AudioMetadata;
return Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
@ -191,17 +187,19 @@ class _MyAppState extends State<MyApp> {
),
Container(
height: 240.0,
child: StreamBuilder<int>(
stream: _player.currentIndexStream,
child: StreamBuilder<SequenceState>(
stream: _player.sequenceStateStream,
builder: (context, snapshot) {
final currentIndex = snapshot.data ?? 0;
final state = snapshot.data;
final sequence = state?.sequence ?? [];
return ListView.builder(
itemCount: _metadataSequence.length,
itemCount: sequence.length,
itemBuilder: (context, index) => Material(
color:
index == currentIndex ? Colors.grey.shade300 : null,
color: index == state.currentIndex
? Colors.grey.shade300
: null,
child: ListTile(
title: Text(_metadataSequence[index].title),
title: Text(sequence[index].tag.title),
onTap: () {
_player.seek(Duration.zero, index: index);
},
@ -243,8 +241,8 @@ class ControlButtons extends StatelessWidget {
);
},
),
StreamBuilder<int>(
stream: player.currentIndexStream,
StreamBuilder<SequenceState>(
stream: player.sequenceStateStream,
builder: (context, snapshot) => IconButton(
icon: Icon(Icons.skip_previous),
onPressed: player.hasPrevious ? player.seekToPrevious : null,
@ -285,8 +283,8 @@ class ControlButtons extends StatelessWidget {
}
},
),
StreamBuilder(
stream: player.currentIndexStream,
StreamBuilder<SequenceState>(
stream: player.sequenceStateStream,
builder: (context, snapshot) => IconButton(
icon: Icon(Icons.skip_next),
onPressed: player.hasNext ? player.seekToNext : null,