tsacdop-podcast-app-android/lib/home/home.dart

1073 lines
49 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'package:flutter/material.dart' hide NestedScrollView;
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import 'package:tuple/tuple.dart';
import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
import 'package:line_icons/line_icons.dart';
import 'package:fluttertoast/fluttertoast.dart';
import '../state/audiostate.dart';
import '../type/episodebrief.dart';
import '../local_storage/sqflite_localpodcast.dart';
import '../local_storage/key_value_storage.dart';
import '../util/episodegrid.dart';
import '../util/mypopupmenu.dart';
import '../util/context_extension.dart';
import '../util/custompaint.dart';
import '../state/download_state.dart';
import '../state/podcast_group.dart';
import '../state/subscribe_podcast.dart';
import 'playlist.dart';
import 'importompl.dart';
import 'audioplayer.dart';
import 'addpodcast.dart';
import 'popupmenu.dart';
import 'home_groups.dart';
import 'download_list.dart';
class Home extends StatefulWidget {
@override
_HomeState createState() => _HomeState();
}
class _HomeState extends State<Home> with SingleTickerProviderStateMixin {
final MyHomePageDelegate _delegate = MyHomePageDelegate(
searchFieldLabel: 'Search podcast',
);
final GlobalKey<ScaffoldState> _scaffoldKey = GlobalKey<ScaffoldState>();
TabController _controller;
Decoration _getIndicator(BuildContext context) {
return UnderlineTabIndicator(
borderSide: BorderSide(color: Theme.of(context).accentColor, width: 3),
insets: EdgeInsets.only(
left: 10.0,
right: 10.0,
top: 10.0,
));
}
var _androidAppRetain = MethodChannel("android_app_retain");
@override
void initState() {
super.initState();
_controller = TabController(length: 3, vsync: this);
}
@override
void dispose() {
_controller.dispose();
super.dispose();
}
double top = 0;
@override
Widget build(BuildContext context) {
double width = MediaQuery.of(context).size.width;
double height = (width - 20) / 3 + 140;
return AnnotatedRegion<SystemUiOverlayStyle>(
value: SystemUiOverlayStyle(
systemNavigationBarIconBrightness:
Theme.of(context).accentColorBrightness,
statusBarIconBrightness: Theme.of(context).accentColorBrightness,
systemNavigationBarColor: Theme.of(context).primaryColor,
),
child: Scaffold(
key: _scaffoldKey,
body: WillPopScope(
onWillPop: () async {
if (Platform.isAndroid) {
_androidAppRetain.invokeMethod('sendToBackground');
return false;
} else {
return true;
}
},
child: SafeArea(
child: Stack(
children: <Widget>[
Column(
children: <Widget>[
Expanded(
child: NestedScrollView(
innerScrollPositionKeyBuilder: () {
return Key('tab' + _controller.index.toString());
},
pinnedHeaderSliverHeightBuilder: () => 50,
headerSliverBuilder:
(BuildContext context, bool innerBoxScrolled) {
return <Widget>[
SliverToBoxAdapter(
child: Column(
children: <Widget>[
SizedBox(
height: 50.0,
child: Row(
mainAxisAlignment:
MainAxisAlignment.spaceBetween,
children: <Widget>[
IconButton(
tooltip: 'Add',
icon: const Icon(
Icons.add_circle_outline),
onPressed: () async {
await showSearch<int>(
context: context,
delegate: _delegate,
);
},
),
Image(
image: Theme.of(context)
.brightness ==
Brightness.light
? AssetImage('assets/text.png')
: AssetImage(
'assets/text_light.png'),
height: 30,
),
PopupMenu(),
],
),
),
Import(),
],
),
),
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return SizedBox(
height: height,
width: width,
child: ScrollPodcasts(),
);
},
childCount: 1,
),
),
SliverPersistentHeader(
delegate: _SliverAppBarDelegate(
TabBar(
indicator: _getIndicator(context),
isScrollable: true,
indicatorSize: TabBarIndicatorSize.tab,
controller: _controller,
tabs: <Widget>[
Tab(
child: Text('Recent'),
),
Tab(
child: Text('Favorite'),
),
Tab(
child: Text('Download'),
)
],
),
),
pinned: true,
),
];
},
body: TabBarView(
controller: _controller,
children: <Widget>[
NestedScrollViewInnerScrollPositionKeyWidget(
Key('tab0'), _RecentUpdate()),
NestedScrollViewInnerScrollPositionKeyWidget(
Key('tab1'), _MyFavorite()),
NestedScrollViewInnerScrollPositionKeyWidget(
Key('tab2'), _MyDownload()),
],
),
),
),
Selector<AudioPlayerNotifier, bool>(
selector: (_, audio) => audio.playerRunning,
builder: (_, data, __) {
return Padding(
padding: EdgeInsets.only(bottom: data ? 60.0 : 0),
);
}),
],
),
Container(child: PlayerWidget()),
],
),
),
),
));
}
}
class _SliverAppBarDelegate extends SliverPersistentHeaderDelegate {
_SliverAppBarDelegate(this._tabBar);
final TabBar _tabBar;
@override
double get minExtent => _tabBar.preferredSize.height + 2;
@override
double get maxExtent => _tabBar.preferredSize.height + 2;
@override
Widget build(
BuildContext context, double shrinkOffset, bool overlapsContent) {
return Container(
color: Theme.of(context).scaffoldBackgroundColor,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
_tabBar,
Spacer(),
PlaylistButton(),
],
),
Container(height: 2, color: context.primaryColor),
],
),
);
}
@override
bool shouldRebuild(_SliverAppBarDelegate oldDelegate) {
return true;
}
}
class PlaylistButton extends StatefulWidget {
PlaylistButton({Key key}) : super(key: key);
@override
PlaylistButtonState createState() => PlaylistButtonState();
}
class PlaylistButtonState extends State<PlaylistButton> {
bool _loadPlay;
static String _stringForSeconds(int seconds) {
if (seconds == null) return null;
return '${(seconds ~/ 60)}:${(seconds.truncate() % 60).toString().padLeft(2, '0')}';
}
_getPlaylist() async {
await Provider.of<AudioPlayerNotifier>(context, listen: false)
.loadPlaylist();
setState(() {
_loadPlay = true;
});
}
@override
void initState() {
super.initState();
_loadPlay = false;
_getPlaylist();
}
@override
Widget build(BuildContext context) {
var audio = Provider.of<AudioPlayerNotifier>(context, listen: false);
return MyPopupMenuButton<int>(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(Radius.circular(10))),
elevation: 1,
icon: Icon(Icons.playlist_play),
tooltip: "Menu",
itemBuilder: (context) => [
MyPopupMenuItem(
height: 50,
value: 1,
child: Container(
decoration: BoxDecoration(
// color: Theme.of(context).accentColor,
borderRadius: BorderRadius.only(
topLeft: Radius.circular(10.0),
topRight: Radius.circular(10.0)),
),
child: Selector<AudioPlayerNotifier, Tuple3<bool, Playlist, int>>(
selector: (_, audio) =>
Tuple3(audio.playerRunning, audio.queue, audio.lastPositin),
builder: (_, data, __) => !_loadPlay
? Container(
height: 8.0,
)
: data.item1 || data.item2.playlist.length == 0
? Container(
height: 8.0,
)
: InkWell(
borderRadius: BorderRadius.only(
topLeft: Radius.circular(10.0),
topRight: Radius.circular(10.0)),
onTap: () {
audio.playlistLoad();
Navigator.pop<int>(context);
},
child: Column(
children: <Widget>[
Padding(
padding: EdgeInsets.symmetric(vertical: 5),
),
Stack(
alignment: Alignment.center,
children: <Widget>[
CircleAvatar(
radius: 20,
backgroundImage: FileImage(File(
"${data.item2.playlist.first.imagePath}")),
),
Container(
height: 40.0,
width: 40.0,
decoration: BoxDecoration(
shape: BoxShape.circle,
color: Colors.black12),
child: Icon(
Icons.play_arrow,
color: Colors.white,
),
),
],
),
Padding(
padding: EdgeInsets.symmetric(vertical: 2),
),
Container(
height: 70,
width: 140,
child: Column(
children: <Widget>[
Text(
_stringForSeconds(data.item3 ~/ 1000),
// style:
// TextStyle(color: Colors.white)
),
Text(
data.item2.playlist.first.title,
maxLines: 2,
textAlign: TextAlign.center,
overflow: TextOverflow.fade,
// style: TextStyle(color: Colors.white),
),
],
),
),
Divider(
height: 2,
),
],
),
),
),
),
),
PopupMenuItem(
value: 0,
child: Container(
padding: EdgeInsets.only(left: 10),
child: Row(
children: <Widget>[
Icon(Icons.playlist_play),
Padding(
padding: EdgeInsets.symmetric(horizontal: 5.0),
),
Text('Playlist'),
],
),
),
),
],
onSelected: (value) {
if (value == 0) {
Navigator.push(
context, MaterialPageRoute(builder: (context) => PlaylistPage()));
} else if (value == 1) {}
},
);
}
}
class _RecentUpdate extends StatefulWidget {
@override
_RecentUpdateState createState() => _RecentUpdateState();
}
class _RecentUpdateState extends State<_RecentUpdate>
with AutomaticKeepAliveClientMixin, SingleTickerProviderStateMixin {
Future<List<EpisodeBrief>> _getRssItem(int top, List<String> group) async {
KeyValueStorage storage = KeyValueStorage(recentLayoutKey);
int index = await storage.getInt();
if (_layout == null) _layout = Layout.values[index];
var dbHelper = DBHelper();
List<EpisodeBrief> episodes;
if (group.first == 'All')
episodes = await dbHelper.getRecentRssItem(top);
else
episodes = await dbHelper.getGroupRssItem(top, group);
return episodes;
}
Future<int> _getUpdateCounts(List<String> group) async {
var dbHelper = DBHelper();
List<EpisodeBrief> episodes = [];
if (group.first == 'All')
episodes = await dbHelper.getRecentNewRssItem();
else
episodes = await dbHelper.getGroupNewRssItem(group);
return episodes.length;
}
_loadMoreEpisode() async {
if (mounted) setState(() => _loadMore = true);
await Future.delayed(Duration(seconds: 3));
if (mounted)
setState(() {
_top = _top + 33;
_loadMore = false;
});
}
int _top = 99;
bool _loadMore;
String _groupName;
List<String> _group;
Layout _layout;
@override
void initState() {
super.initState();
_loadMore = false;
_groupName = 'All';
_group = ['All'];
}
@override
Widget build(BuildContext context) {
super.build(context);
var audio = Provider.of<AudioPlayerNotifier>(context, listen: false);
return Selector<SubscribeWorker, bool>(
selector: (_, worker) => worker.created,
builder: (context, created, child) {
return FutureBuilder<List<EpisodeBrief>>(
future: _getRssItem(_top, _group),
builder: (context, snapshot) {
if (snapshot.hasError) print(snapshot.error);
return (snapshot.hasData)
? snapshot.data.length == 0
? Padding(
padding: EdgeInsets.only(top: 150),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Icon(LineIcons.cloud_download_alt_solid,
size: 80, color: Colors.grey[500]),
Padding(
padding: EdgeInsets.symmetric(vertical: 10)),
Text(
'No episode received yet',
style: TextStyle(color: Colors.grey[500]),
)
],
),
)
: NotificationListener<ScrollNotification>(
onNotification: (ScrollNotification scrollInfo) {
if (scrollInfo.metrics.pixels ==
scrollInfo.metrics.maxScrollExtent &&
snapshot.data.length == _top)
_loadMoreEpisode();
return true;
},
child: CustomScrollView(
key: PageStorageKey<String>('update'),
physics: const AlwaysScrollableScrollPhysics(),
slivers: <Widget>[
SliverToBoxAdapter(
child: Container(
height: 40,
color: context.primaryColor,
child: Material(
color: Colors.transparent,
child: Row(
children: <Widget>[
Consumer<GroupList>(
builder:
(context, groupList, child) =>
Material(
color: Colors.transparent,
child: PopupMenuButton<String>(
shape: RoundedRectangleBorder(
borderRadius:
BorderRadius.all(
Radius.circular(
10))),
elevation: 1,
tooltip: 'Groups fliter',
child: Container(
padding:
EdgeInsets.symmetric(
horizontal: 20),
height: 50,
child: Row(
mainAxisSize:
MainAxisSize.min,
children: <Widget>[
Text(_groupName),
Padding(
padding: EdgeInsets
.symmetric(
horizontal:
5),
),
Icon(
LineIcons
.filter_solid,
size: 18,
)
],
)),
itemBuilder: (context) => [
PopupMenuItem(
child: Text('All'),
value: 'All')
]..addAll(groupList.groups
.map<
PopupMenuEntry<
String>>((e) =>
PopupMenuItem(
value: e.name,
child:
Text(e.name)))
.toList()),
onSelected: (value) {
if (value == 'All') {
setState(() {
_groupName = 'All';
_group = ['All'];
});
} else {
groupList.groups
.forEach((group) {
if (group.name ==
value) {
setState(() {
_groupName = value;
_group = group
.podcastList;
});
}
});
}
},
),
),
),
Spacer(),
FutureBuilder<int>(
future:
_getUpdateCounts(_group),
initialData: 0,
builder: (context, snapshot) {
return snapshot.data != 0
? Material(
color: Colors
.transparent,
child: IconButton(
tooltip:
'Add new episodes to playlist',
icon:
// Icon(Icons.playlist_add),
SizedBox(
height:
16,
width: 21,
child: CustomPaint(
painter: AddToPlaylistPainter(
context.textTheme.bodyText1.color,
Colors.red))),
onPressed: () async {
await audio
.addNewEpisode(
_group);
if (mounted)
setState(
() {});
Fluttertoast
.showToast(
msg: _groupName ==
'All'
? '${snapshot.data} episode added to playlist'
: '${snapshot.data} episode in $_groupName added to playlist',
gravity:
ToastGravity
.BOTTOM,
);
}),
)
: Material(
color: Colors
.transparent,
child: IconButton(
tooltip:
'Add new episodes to playlist',
icon:
// Icon(Icons.playlist_add),
SizedBox(
height:
16,
width: 21,
child: CustomPaint(
painter: AddToPlaylistPainter(
context
.textTheme
.bodyText1
.color,
context
.textTheme
.bodyText1
.color,
))),
onPressed: () {}),
);
}),
Material(
color: Colors.transparent,
child: IconButton(
tooltip: 'Change layout',
padding: EdgeInsets.zero,
onPressed: () {
if (_layout == Layout.three)
setState(() {
_layout = Layout.one;
});
else if (_layout ==
Layout.two)
setState(() {
_layout = Layout.three;
});
else
setState(() {
_layout = Layout.two;
});
},
icon: _layout == Layout.three
? SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(
0,
context
.textTheme
.bodyText1
.color),
),
)
: _layout == Layout.two
? SizedBox(
height: 10,
width: 30,
child:
CustomPaint(
painter: LayoutPainter(
1,
context
.textTheme
.bodyText1
.color),
),
)
: SizedBox(
height: 10,
width: 30,
child:
CustomPaint(
painter: LayoutPainter(
4,
context
.textTheme
.bodyText1
.color),
),
),
)),
],
),
)),
),
EpisodeGrid(
episodes: snapshot.data,
layout: _layout,
initNum: 9,
),
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return _loadMore
? Container(
height: 2,
child: LinearProgressIndicator())
: Center();
},
childCount: 1,
),
),
]))
: Center();
},
);
});
}
@override
bool get wantKeepAlive => true;
}
class _MyFavorite extends StatefulWidget {
@override
_MyFavoriteState createState() => _MyFavoriteState();
}
class _MyFavoriteState extends State<_MyFavorite>
with AutomaticKeepAliveClientMixin {
Future<List<EpisodeBrief>> _getLikedRssItem(int top, int sortBy) async {
KeyValueStorage storage = KeyValueStorage(favLayoutKey);
int index = await storage.getInt();
if (_layout == null) _layout = Layout.values[index];
var dbHelper = DBHelper();
List<EpisodeBrief> episodes = await dbHelper.getLikedRssItem(top, sortBy);
return episodes;
}
_loadMoreEpisode() async {
if (mounted) setState(() => _loadMore = true);
await Future.delayed(Duration(seconds: 3));
if (mounted)
setState(() {
_top = _top + 33;
_loadMore = false;
});
}
int _top = 99;
bool _loadMore;
Layout _layout;
int _sortBy;
@override
void initState() {
super.initState();
_loadMore = false;
_sortBy = 0;
}
@override
Widget build(BuildContext context) {
super.build(context);
return FutureBuilder<List<EpisodeBrief>>(
future: _getLikedRssItem(_top, _sortBy),
builder: (context, snapshot) {
if (snapshot.hasError) print(snapshot.error);
return (snapshot.hasData)
? snapshot.data.length == 0
? Padding(
padding: EdgeInsets.only(top: 150),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Icon(LineIcons.heartbeat_solid,
size: 80, color: Colors.grey[500]),
Padding(padding: EdgeInsets.symmetric(vertical: 10)),
Text(
'No episode collected yet',
style: TextStyle(color: Colors.grey[500]),
)
],
),
)
: NotificationListener<ScrollNotification>(
onNotification: (ScrollNotification scrollInfo) {
if (scrollInfo.metrics.pixels ==
scrollInfo.metrics.maxScrollExtent &&
snapshot.data.length == _top) _loadMoreEpisode();
return true;
},
child: CustomScrollView(
key: PageStorageKey<String>('favorite'),
slivers: <Widget>[
SliverToBoxAdapter(
child: Container(
height: 40,
color: context.primaryColor,
child: Row(
children: <Widget>[
Material(
color: Colors.transparent,
child: PopupMenuButton<int>(
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.all(
Radius.circular(10))),
elevation: 1,
tooltip: 'Sort By',
child: Container(
height: 50,
padding: EdgeInsets.symmetric(
horizontal: 20),
child: Row(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Text('Sory by'),
Padding(
padding: EdgeInsets.symmetric(
horizontal: 5),
),
Icon(
_sortBy == 0
? LineIcons
.cloud_download_alt_solid
: LineIcons.heartbeat_solid,
size: 18,
)
],
)),
itemBuilder: (context) => [
PopupMenuItem(
value: 0,
child: Text('Update Date'),
),
PopupMenuItem(
value: 1,
child: Text('Like Date'),
)
],
onSelected: (value) {
if (value == 0)
setState(() => _sortBy = 0);
else if (value == 1)
setState(() => _sortBy = 1);
},
),
),
Spacer(),
Material(
color: Colors.transparent,
child: IconButton(
padding: EdgeInsets.zero,
onPressed: () {
if (_layout == Layout.three)
setState(() {
_layout = Layout.one;
});
else if (_layout == Layout.two)
setState(() {
_layout = Layout.three;
});
else
setState(() {
_layout = Layout.two;
});
},
icon: _layout == Layout.three
? SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(
0,
context.textTheme
.bodyText1.color),
),
)
: _layout == Layout.two
? SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(
1,
context.textTheme
.bodyText1.color),
),
)
: SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(
4,
context.textTheme
.bodyText1.color),
),
)),
),
],
)),
),
EpisodeGrid(
episodes: snapshot.data,
layout: _layout,
initNum: 0,
),
SliverList(
delegate: SliverChildBuilderDelegate(
(BuildContext context, int index) {
return _loadMore
? Container(
height: 2,
child: LinearProgressIndicator())
: Center();
},
childCount: 1,
),
),
],
),
)
: Center();
},
);
}
@override
bool get wantKeepAlive => true;
}
class _MyDownload extends StatefulWidget {
@override
_MyDownloadState createState() => _MyDownloadState();
}
class _MyDownloadState extends State<_MyDownload>
with AutomaticKeepAliveClientMixin {
Layout _layout;
_getLayout() async {
KeyValueStorage keyValueStorage = KeyValueStorage(downloadLayoutKey);
int layout = await keyValueStorage.getInt();
if (_layout == null)
setState(() {
_layout = Layout.values[layout];
});
}
@override
void initState() {
super.initState();
_getLayout();
}
@override
Widget build(BuildContext context) {
super.build(context);
return CustomScrollView(
key: PageStorageKey<String>('download_list'),
slivers: <Widget>[
DownloadList(),
SliverToBoxAdapter(
child: _layout == null
? Center()
: Container(
height: 40,
color: context.primaryColor,
child: Row(
children: <Widget>[
Container(
padding: EdgeInsets.symmetric(horizontal: 20),
child: Text('Downloaded')),
Spacer(),
Material(
color: Colors.transparent,
child: IconButton(
padding: EdgeInsets.zero,
onPressed: () {
if (_layout == Layout.three)
setState(() {
_layout = Layout.one;
});
else if (_layout == Layout.two)
setState(() {
_layout = Layout.three;
});
else
setState(() {
_layout = Layout.two;
});
},
icon: _layout == Layout.three
? SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(
0, context.textTheme.bodyText1.color),
),
)
: _layout == Layout.two
? SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(1,
context.textTheme.bodyText1.color),
),
)
: SizedBox(
height: 10,
width: 30,
child: CustomPaint(
painter: LayoutPainter(4,
context.textTheme.bodyText1.color),
),
),
),
),
],
)),
),
Consumer<DownloadState>(
builder: (_, downloader, __) {
var episodes = downloader.episodeTasks
.where((task) => task.status.value == 3)
.toList()
.map((e) => e.episode)
.toList()
.reversed
.toList();
return episodes.length == 0
? SliverToBoxAdapter(
child: Padding(
padding: EdgeInsets.only(top: 110),
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Icon(LineIcons.download_solid,
size: 80, color: Colors.grey[500]),
Padding(padding: EdgeInsets.symmetric(vertical: 10)),
Text(
'No episode downloaded yet',
style: TextStyle(color: Colors.grey[500]),
)
],
),
),
)
: EpisodeGrid(
episodes: episodes,
layout: _layout,
initNum: 0,
);
},
),
],
);
}
@override
bool get wantKeepAlive => true;
}