tsacdop-podcast-app-android/lib/playlists/playlist_page.dart

420 lines
14 KiB
Dart

import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:file_picker/file_picker.dart';
import '../state/audio_state.dart';
import '../type/episodebrief.dart';
import '../type/playlist.dart';
import '../util/extension_helper.dart';
import '../widgets/general_dialog.dart';
class PlaylistDetail extends StatefulWidget {
final Playlist playlist;
PlaylistDetail(this.playlist, {Key key}) : super(key: key);
@override
_PlaylistDetailState createState() => _PlaylistDetailState();
}
class _PlaylistDetailState extends State<PlaylistDetail> {
final List<EpisodeBrief> _selectedEpisodes = [];
bool _resetSelected;
@override
void initState() {
_resetSelected = false;
super.initState();
}
@override
Widget build(BuildContext context) {
final s = context.s;
return Scaffold(
appBar: AppBar(
leading: IconButton(
splashRadius: 20,
icon: Icon(Icons.close),
tooltip: context.s.back,
onPressed: () {
Navigator.maybePop(context);
},
),
title: Text(_selectedEpisodes.isEmpty
? widget.playlist.isQueue
? s.queue
: widget.playlist.name
: s.selected(_selectedEpisodes.length)),
actions: [
if (_selectedEpisodes.isNotEmpty)
IconButton(
splashRadius: 20,
icon: Icon(Icons.delete_outline_rounded),
onPressed: () {
context.read<AudioPlayerNotifier>().removeEpisodeFromPlaylist(
widget.playlist,
episodes: _selectedEpisodes);
setState(_selectedEpisodes.clear);
}),
if (_selectedEpisodes.isNotEmpty)
IconButton(
splashRadius: 20,
icon: Icon(Icons.select_all_outlined),
onPressed: () {
setState(() {
_selectedEpisodes.clear();
_resetSelected = !_resetSelected;
});
}),
IconButton(
splashRadius: 20,
icon: Icon(Icons.more_vert),
onPressed: () => generalSheet(context,
title: widget.playlist.name,
child: _PlaylistSetting(widget.playlist))
.then((value) {
if (!context
.read<AudioPlayerNotifier>()
.playlists
.contains(widget.playlist)) {
Navigator.pop(context);
}
setState(() {});
}),
),
],
),
body: Selector<AudioPlayerNotifier, List<Playlist>>(
selector: (_, audio) => audio.playlists,
builder: (_, data, __) {
final playlist = data.firstWhere(
(e) => e == widget.playlist,
orElse: () => null,
);
final episodes = playlist?.episodes ?? [];
return ReorderableListView(
onReorder: (oldIndex, newIndex) {
if (widget.playlist.isQueue) {
context
.read<AudioPlayerNotifier>()
.reorderPlaylist(oldIndex, newIndex);
setState(() {});
} else {
context
.read<AudioPlayerNotifier>()
.reorderEpisodesInPlaylist(widget.playlist,
oldIndex: oldIndex, newIndex: newIndex);
setState(() {});
}
},
scrollDirection: Axis.vertical,
children: episodes.map<Widget>((episode) {
return _PlaylistItem(episode,
key: ValueKey(episode.enclosureUrl), onSelect: (episode) {
_selectedEpisodes.add(episode);
setState(() {});
}, onRemove: (episode) {
_selectedEpisodes.remove(episode);
setState(() {});
}, reset: _resetSelected);
}).toList());
}),
);
}
}
class _PlaylistItem extends StatefulWidget {
final EpisodeBrief episode;
final bool reset;
final ValueChanged<EpisodeBrief> onSelect;
final ValueChanged<EpisodeBrief> onRemove;
_PlaylistItem(this.episode,
{@required this.onSelect, @required this.onRemove, this.reset, Key key})
: super(key: key);
@override
__PlaylistItemState createState() => __PlaylistItemState();
}
class __PlaylistItemState extends State<_PlaylistItem>
with SingleTickerProviderStateMixin {
AnimationController _controller;
Animation _animation;
double _fraction;
@override
void initState() {
super.initState();
_fraction = 0;
_controller = AnimationController(
vsync: this, duration: const Duration(milliseconds: 500));
_animation = Tween(begin: 0.0, end: 1.0).animate(_controller)
..addListener(() {
if (mounted) {
setState(() => _fraction = _animation.value);
}
});
_controller.addStatusListener((status) {
if (status == AnimationStatus.completed) {
_controller.stop();
} else if (status == AnimationStatus.dismissed) {
_controller.stop();
}
});
}
@override
void didUpdateWidget(covariant _PlaylistItem oldWidget) {
if (oldWidget.reset != widget.reset && _animation.value == 1.0) {
_controller.reverse();
}
super.didUpdateWidget(oldWidget);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
Widget _episodeTag(String text, Color color) {
if (text == '') {
return Center();
}
return Container(
decoration: BoxDecoration(
color: color, borderRadius: BorderRadius.circular(15.0)),
height: 25.0,
margin: EdgeInsets.only(right: 10.0),
padding: EdgeInsets.symmetric(horizontal: 8.0),
alignment: Alignment.center,
child: Text(text, style: TextStyle(fontSize: 14.0, color: Colors.black)),
);
}
@override
Widget build(BuildContext context) {
final s = context.s;
final episode = widget.episode;
final c = episode.backgroudColor(context);
return SizedBox(
height: 90.0,
child: Column(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: <Widget>[
Expanded(
child: ListTile(
contentPadding: EdgeInsets.symmetric(vertical: 8),
onTap: () {
if (_fraction == 0) {
_controller.forward();
widget.onSelect(episode);
} else {
_controller.reverse();
widget.onRemove(episode);
}
},
title: Container(
padding: EdgeInsets.fromLTRB(0, 5.0, 20.0, 5.0),
child: Text(
episode.title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
leading: Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.unfold_more, color: c),
Transform(
alignment: FractionalOffset.center,
transform: Matrix4.identity()
..setEntry(3, 2, 0.001)
..rotateY(math.pi * _fraction),
child: _fraction < 0.5
? CircleAvatar(
backgroundColor: c.withOpacity(0.5),
backgroundImage: episode.avatarImage)
: CircleAvatar(
backgroundColor: context.accentColor.withAlpha(70),
child: Transform(
alignment: FractionalOffset.center,
transform: Matrix4.identity()
..setEntry(3, 2, 0.001)
..rotateY(math.pi),
child: Icon(Icons.done)),
),
),
],
),
subtitle: Container(
padding: EdgeInsets.only(top: 5, bottom: 5),
height: 35,
child: Row(
children: <Widget>[
if (episode.explicit == 1)
Container(
decoration: BoxDecoration(
color: Colors.red[800], shape: BoxShape.circle),
height: 25.0,
width: 25.0,
margin: EdgeInsets.only(right: 10.0),
alignment: Alignment.center,
child:
Text('E', style: TextStyle(color: Colors.white))),
if (episode.duration != 0)
_episodeTag(
episode.duration == 0
? ''
: s.minsCount(episode.duration ~/ 60),
Colors.cyan[300]),
if (episode.enclosureLength != null)
_episodeTag(
episode.enclosureLength == 0
? ''
: '${(episode.enclosureLength) ~/ 1000000}MB',
Colors.lightBlue[300]),
],
),
),
),
),
Divider(
height: 2,
),
],
),
);
}
}
class _PlaylistSetting extends StatefulWidget {
final Playlist playlist;
_PlaylistSetting(this.playlist, {Key key}) : super(key: key);
@override
__PlaylistSettingState createState() => __PlaylistSettingState();
}
class __PlaylistSettingState extends State<_PlaylistSetting> {
bool _clearConfirm;
bool _removeConfirm;
@override
void initState() {
_clearConfirm = false;
_removeConfirm = false;
super.initState();
}
@override
Widget build(BuildContext context) {
final s = context.s;
final textStyle = context.textTheme.bodyText2;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
if (!widget.playlist.isLocal)
ListTile(
onTap: () {
setState(() => _clearConfirm = true);
},
dense: true,
title: Row(
children: [
Icon(Icons.clear_all_outlined, size: 18),
SizedBox(width: 20),
Text(s.clearAll, style: textStyle),
],
),
),
if (_clearConfirm)
Container(
width: double.infinity,
color: context.primaryColorDark,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
FlatButton(
onPressed: () => setState(() {
_clearConfirm = false;
}),
child:
Text(s.cancel, style: TextStyle(color: Colors.grey[600])),
),
FlatButton(
splashColor: Colors.red.withAlpha(70),
onPressed: () async {
context
.read<AudioPlayerNotifier>()
.clearPlaylist(widget.playlist);
Navigator.of(context).pop();
},
child:
Text(s.confirm, style: TextStyle(color: Colors.red))),
],
),
),
if (widget.playlist.name != 'Queue')
ListTile(
onTap: () {
setState(() => _removeConfirm = true);
},
dense: true,
title: Row(
children: [
Icon(Icons.delete, color: Colors.red, size: 18),
SizedBox(width: 20),
Text(s.remove,
style: textStyle.copyWith(
color: Colors.red, fontWeight: FontWeight.bold)),
],
),
),
if (_removeConfirm)
Container(
width: double.infinity,
color: context.primaryColorDark,
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
FlatButton(
onPressed: () => setState(() {
_removeConfirm = false;
}),
child:
Text(s.cancel, style: TextStyle(color: Colors.grey[600])),
),
FlatButton(
splashColor: Colors.red.withAlpha(70),
onPressed: () async {
context
.read<AudioPlayerNotifier>()
.deletePlaylist(widget.playlist);
Navigator.of(context).pop();
},
child:
Text(s.confirm, style: TextStyle(color: Colors.red))),
],
),
),
if (widget.playlist.isQueue)
Padding(
padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
child: Row(
children: [
Icon(Icons.info_outline,
size: 16, color: context.textColor.withAlpha(90)),
Text(s.defaultQueueReminder,
style: TextStyle(color: context.textColor.withAlpha(90))),
],
),
)
],
);
}
}