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common, mobile: Adapt to new work part API

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This commit is contained in:
Elias Projahn 2020-05-13 19:27:57 +02:00
parent 9bd0348f35
commit 813fa2e47a
5 changed files with 83 additions and 76 deletions
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2
mobile/lib/screens/program.dart
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@ -118,7 +118,7 @@ class _ProgramScreenState extends State<ProgramScreen> {
left: 8.0,
),
child: Text(
partInfo.work.title,
partInfo.part.title,
style: TextStyle(
fontStyle: FontStyle.italic,
),

114
mobile/lib/widgets/player_bar.dart
View file

@ -1,3 +1,5 @@
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:musicus_common/musicus_common.dart';
import 'package:musicus_database/musicus_database.dart';
@ -6,10 +8,68 @@ import '../screens/program.dart';
import 'play_pause_button.dart';
class PlayerBar extends StatelessWidget {
class PlayerBar extends StatefulWidget {
@override
_PlayerBarState createState() => _PlayerBarState();
}
class _PlayerBarState extends State<PlayerBar> {
MusicusBackendState _backend;
StreamSubscription<InternalTrack> _currentTrackSubscribtion;
WorkInfo _workInfo;
List<int> _partIds;
@override
void didChangeDependencies() {
super.didChangeDependencies();
_backend = MusicusBackend.of(context);
_currentTrackSubscribtion?.cancel();
_currentTrackSubscribtion = _backend.playback.currentTrack.listen((track) {
if (track != null) {
_setTrack(track.track);
}
});
}
Future<void> _setTrack(Track track) async {
final recording =
await _backend.db.recordingById(track.recordingId).getSingle();
final workInfo = await _backend.db.getWork(recording.work);
final partIds = track.partIds;
if (mounted) {
setState(() {
_workInfo = workInfo;
_partIds = partIds;
});
}
}
@override
Widget build(BuildContext context) {
final backend = MusicusBackend.of(context);
String title;
String subtitle;
if (_workInfo != null) {
title = _workInfo.composers
.map((p) => '${p.firstName} ${p.lastName}')
.join(', ');
final subtitleBuffer = StringBuffer(_workInfo.work.title);
if (_partIds.isNotEmpty) {
subtitleBuffer.write(': ');
subtitleBuffer.write(
_partIds.map((i) => _workInfo.parts[i].part.title).join(', '));
}
subtitle = subtitleBuffer.toString();
} else {
title = '...';
subtitle = '...';
}
return BottomAppBar(
child: InkWell(
@ -17,7 +77,7 @@ class PlayerBar extends StatelessWidget {
mainAxisSize: MainAxisSize.min,
children: <Widget>[
StreamBuilder(
stream: backend.playback.normalizedPosition,
stream: _backend.playback.normalizedPosition,
builder: (context, snapshot) => LinearProgressIndicator(
value: snapshot.data,
),
@ -29,39 +89,15 @@ class PlayerBar extends StatelessWidget {
child: Icon(Icons.keyboard_arrow_up),
),
Expanded(
child: StreamBuilder<InternalTrack>(
stream: backend.playback.currentTrack,
builder: (context, snapshot) {
if (snapshot.data != null) {
final recordingId = snapshot.data.track.recordingId;
return FutureBuilder<Recording>(
future:
backend.db.recordingById(recordingId).getSingle(),
builder: (context, snapshot) {
if (snapshot.hasData) {
final workId = snapshot.data.work;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
DefaultTextStyle.merge(
style:
TextStyle(fontWeight: FontWeight.bold),
child: ComposersText(workId),
),
WorkText(workId),
],
);
} else {
return Container();
}
},
);
} else {
return Container();
}
},
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
DefaultTextStyle.merge(
style: TextStyle(fontWeight: FontWeight.bold),
child: Text(title),
),
Text(subtitle),
],
),
),
PlayPauseButton(),
@ -78,4 +114,10 @@ class PlayerBar extends StatelessWidget {
),
);
}
@override
void dispose() {
super.dispose();
_currentTrackSubscribtion?.cancel();
}
}