mucke/lib/presentation/pages/queue_page.dart
2020-12-24 11:20:22 +01:00

78 lines
3 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter_mobx/flutter_mobx.dart';
import 'package:mobx/mobx.dart';
import 'package:provider/provider.dart';
import 'package:reorderables/reorderables.dart';
import '../../domain/entities/song.dart';
import '../state/audio_store.dart';
import '../widgets/album_art_list_tile.dart';
class QueuePage extends StatelessWidget {
const QueuePage({Key key}) : super(key: key);
@override
Widget build(BuildContext context) {
print('QueuePage.build');
final AudioStore audioStore = Provider.of<AudioStore>(context);
final ObservableStream<int> queueIndexStream = audioStore.queueIndexStream;
final initialIndex = max(((queueIndexStream?.value) ?? 0) - 2, 0);
final ScrollController _scrollController = ScrollController(initialScrollOffset: initialIndex * 72.0);
return Scaffold(
body: SafeArea(
child: Observer(
builder: (BuildContext context) {
print('QueuePage.build -> Observer.build');
final ObservableStream<List<Song>> queueStream = audioStore.queueStream;
switch (queueStream.status) {
case StreamStatus.active:
final int activeIndex = queueIndexStream.value;
return CustomScrollView(
controller: _scrollController,
slivers: [
ReorderableSliverList(
delegate: ReorderableSliverChildBuilderDelegate(
(context, int index) {
final song = queueStream.value[index];
return Dismissible(
key: ValueKey(song.path),
child: AlbumArtListTile(
title: song.title,
subtitle: '${song.artist}',
albumArtPath: song.albumArtPath,
highlight: index == activeIndex,
onTap: () => audioStore.setIndex(index),
),
onDismissed: (direction) {
audioStore.removeQueueIndex(index);
Scaffold.of(context).showSnackBar(
SnackBar(
content: Text('${song.title} removed'),
),
);
},
);
},
childCount: queueStream.value.length,
),
onReorder: (oldIndex, newIndex) =>
audioStore.moveQueueItem(oldIndex, newIndex),
)
],
);
case StreamStatus.waiting:
case StreamStatus.done:
default:
return Container();
}
},
),
),
);
}
}