freezer/lib/ui/search.dart
2020-11-20 19:18:19 +03:00

640 lines
20 KiB
Dart

import 'package:connectivity/connectivity.dart';
import 'package:flutter/material.dart';
import 'package:flutter/src/services/keyboard_key.dart';
import 'package:freezer/api/cache.dart';
import 'package:freezer/api/download.dart';
import 'package:freezer/api/player.dart';
import 'package:freezer/ui/details_screens.dart';
import 'package:freezer/ui/elements.dart';
import 'package:freezer/ui/menu.dart';
import 'package:freezer/translations.i18n.dart';
import 'tiles.dart';
import '../api/deezer.dart';
import '../api/definitions.dart';
import 'error.dart';
openScreenByURL(BuildContext context, String url) async {
DeezerLinkResponse res = await deezerAPI.parseLink(url);
if (res == null) return;
switch (res.type) {
case DeezerLinkType.TRACK:
Track t = await deezerAPI.track(res.id);
MenuSheet(context).defaultTrackMenu(t);
break;
case DeezerLinkType.ALBUM:
Album a = await deezerAPI.album(res.id);
Navigator.of(context).push(MaterialPageRoute(builder: (context) => AlbumDetails(a)));
break;
case DeezerLinkType.ARTIST:
Artist a = await deezerAPI.artist(res.id);
Navigator.of(context).push(MaterialPageRoute(builder: (context) => ArtistDetails(a)));
break;
case DeezerLinkType.PLAYLIST:
Playlist p = await deezerAPI.playlist(res.id);
Navigator.of(context).push(MaterialPageRoute(builder: (context) => PlaylistDetails(p)));
break;
}
}
class SearchScreen extends StatefulWidget {
@override
_SearchScreenState createState() => _SearchScreenState();
}
class _SearchScreenState extends State<SearchScreen> {
String _query;
bool _offline = false;
bool _loading = false;
TextEditingController _controller = new TextEditingController();
List _suggestions = [];
bool _cancel = false;
void _submit(BuildContext context, {String query}) async {
if (query != null) _query = query;
//URL
if (_query.startsWith('http')) {
setState(() => _loading = true);
try {
await openScreenByURL(context, _query);
} catch (e) {}
setState(() => _loading = false);
return;
}
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => SearchResultsScreen(_query, offline: _offline,))
);
}
@override
void initState() {
_cancel = false;
//Check for connectivity and enable offline mode
Connectivity().checkConnectivity().then((res) {
if (res == ConnectivityResult.none) setState(() {
_offline = true;
});
});
super.initState();
}
//Load search suggestions
Future<List<String>> _loadSuggestions() async {
if (_query == null || _query.length < 2 || _query.startsWith('http')) return null;
String q = _query;
await Future.delayed(Duration(milliseconds: 300));
if (q != _query) return null;
//Load
List sugg;
try {
sugg = await deezerAPI.searchSuggestions(_query);
} catch (e) {print(e);}
if (sugg != null && !_cancel)
setState(() => _suggestions = sugg);
}
Widget _removeHistoryItemWidget(int index) {
return IconButton(
icon: Icon(Icons.close),
onPressed: () async {
if (cache.searchHistory != null)
cache.searchHistory.removeAt(index);
setState((){});
await cache.save();
}
);
}
@override
void dispose() {
_cancel = true;
super.dispose();
}
@override
Widget build(BuildContext context) {
var textFielFocusNode = FocusNode();
return Scaffold(
appBar: FreezerAppBar('Search'.i18n),
body: ListView(
children: <Widget>[
Container(height: 4.0),
Padding(
padding: EdgeInsets.symmetric(horizontal: 16.0),
child: Row(
children: <Widget>[
Expanded(
child: Stack(
alignment: Alignment(1.0, 0.0),
children: [
RawKeyboardListener(
focusNode: FocusNode(),
onKey: (event) { // For Android TV: quit search textfield
if (event.runtimeType.toString() == 'RawKeyUpEvent') {
LogicalKeyboardKey key = event.data.logicalKey;
if (key == LogicalKeyboardKey.arrowDown) {
textFielFocusNode.unfocus();
}
}
},
child: TextField(
onChanged: (String s) {
setState(() => _query = s);
_loadSuggestions();
},
focusNode: textFielFocusNode,
decoration: InputDecoration(
labelText: 'Search or paste URL'.i18n,
fillColor: Theme.of(context).bottomAppBarColor,
filled: true,
focusedBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.grey)
),
enabledBorder: OutlineInputBorder(
borderSide: BorderSide(color: Colors.grey)
),
),
controller: _controller,
onSubmitted: (String s) => _submit(context, query: s),
)
),
Row(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 40.0,
child: IconButton(
splashRadius: 20.0,
icon: Icon(Icons.clear),
onPressed: () {
setState(() {
_suggestions = [];
_query = '';
});
_controller.clear();
},
),
),
],
)
],
)
),
],
),
),
Container(height: 8.0),
ListTile(
title: Text('Offline search'.i18n),
leading: Icon(Icons.offline_pin),
trailing: Switch(
value: _offline,
onChanged: (v) {
setState(() => _offline = !_offline);
},
),
),
if (_loading)
LinearProgressIndicator(),
FreezerDivider(),
//History
if (cache.searchHistory != null && cache.searchHistory.length > 0 && (_query??'').length < 2)
...List.generate(cache.searchHistory.length > 10 ? 10 : cache.searchHistory.length, (int i) {
dynamic data = cache.searchHistory[i].data;
switch (cache.searchHistory[i].type) {
case SearchHistoryItemType.TRACK:
return TrackTile(
data,
onTap: () {
List<Track> queue = cache.searchHistory.where((h) => h.type == SearchHistoryItemType.TRACK).map<Track>((t) => t.data).toList();
playerHelper.playFromTrackList(queue, queue.first.id, QueueSource(
text: 'Search history'.i18n,
source: 'searchhistory',
id: 'searchhistory'
));
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultTrackMenu(data);
},
trailing: _removeHistoryItemWidget(i),
);
case SearchHistoryItemType.ALBUM:
return AlbumTile(
data,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => AlbumDetails(data))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultAlbumMenu(data);
},
trailing: _removeHistoryItemWidget(i),
);
case SearchHistoryItemType.ARTIST:
return ArtistHorizontalTile(
data,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => ArtistDetails(data))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultArtistMenu(data);
},
trailing: _removeHistoryItemWidget(i),
);
case SearchHistoryItemType.PLAYLIST:
return PlaylistTile(
data,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => PlaylistDetails(data))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultPlaylistMenu(data);
},
trailing: _removeHistoryItemWidget(i),
);
}
return Container();
}),
//Clear history
if (cache.searchHistory != null && cache.searchHistory.length > 2)
ListTile(
title: Text('Clear search history'.i18n),
leading: Icon(Icons.clear_all),
onTap: () {
cache.searchHistory = [];
cache.save();
setState((){});
},
),
//Suggestions
...List.generate((_suggestions??[]).length, (i) => ListTile(
title: Text(_suggestions[i]),
leading: Icon(Icons.search),
onTap: () {
setState(() => _query = _suggestions[i]);
_submit(context);
},
))
],
),
);
}
}
class SearchResultsScreen extends StatelessWidget {
final String query;
final bool offline;
SearchResultsScreen(this.query, {this.offline});
Future _search() async {
if (offline??false) {
return await downloadManager.search(query);
}
return await deezerAPI.search(query);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: FreezerAppBar('Search Results'.i18n),
body: FutureBuilder(
future: _search(),
builder: (BuildContext context, AsyncSnapshot snapshot) {
if (!snapshot.hasData) return Center(child: CircularProgressIndicator(),);
if (snapshot.hasError) return ErrorScreen();
SearchResults results = snapshot.data;
if (results.empty)
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Icon(
Icons.warning,
size: 64,
),
Text('No results!'.i18n)
],
),
);
//Tracks
List<Widget> tracks = [];
if (results.tracks != null && results.tracks.length != 0) {
tracks = [
Padding(
padding: EdgeInsets.symmetric(horizontal: 16.0, vertical: 4.0),
child: Text(
'Tracks'.i18n,
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold
),
),
),
...List.generate(3, (i) {
if (results.tracks.length <= i) return Container(width: 0, height: 0,);
Track t = results.tracks[i];
return TrackTile(
t,
onTap: () {
cache.addToSearchHistory(t);
playerHelper.playFromTrackList(results.tracks, t.id, QueueSource(
text: 'Search'.i18n,
id: query,
source: 'search'
));
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultTrackMenu(t);
},
);
}),
ListTile(
title: Text('Show all tracks'.i18n),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => TrackListScreen(results.tracks, QueueSource(
id: query,
source: 'search',
text: 'Search'.i18n
)))
);
},
),
FreezerDivider()
];
}
//Albums
List<Widget> albums = [];
if (results.albums != null && results.albums.length != 0) {
albums = [
Padding(
padding: EdgeInsets.symmetric(horizontal: 16.0, vertical: 4.0),
child: Text(
'Albums'.i18n,
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold
),
),
),
...List.generate(3, (i) {
if (results.albums.length <= i) return Container(height: 0, width: 0,);
Album a = results.albums[i];
return AlbumTile(
a,
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultAlbumMenu(a);
},
onTap: () {
cache.addToSearchHistory(a);
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => AlbumDetails(a))
);
},
);
}),
ListTile(
title: Text('Show all albums'.i18n),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => AlbumListScreen(results.albums))
);
},
),
FreezerDivider()
];
}
//Artists
List<Widget> artists = [];
if (results.artists != null && results.artists.length != 0) {
artists = [
Padding(
padding: EdgeInsets.symmetric(vertical: 4.0, horizontal: 16.0),
child: Text(
'Artists'.i18n,
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold
),
),
),
Container(height: 4),
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Row(
children: List.generate(results.artists.length, (int i) {
Artist a = results.artists[i];
return ArtistTile(
a,
onTap: () {
cache.addToSearchHistory(a);
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => ArtistDetails(a))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultArtistMenu(a);
},
);
}),
)
),
FreezerDivider()
];
}
//Playlists
List<Widget> playlists = [];
if (results.playlists != null && results.playlists.length != 0) {
playlists = [
Padding(
padding: EdgeInsets.symmetric(vertical: 4.0, horizontal: 16.0),
child: Text(
'Playlists'.i18n,
textAlign: TextAlign.left,
style: TextStyle(
fontSize: 20.0,
fontWeight: FontWeight.bold
),
),
),
...List.generate(3, (i) {
if (results.playlists.length <= i) return Container(height: 0, width: 0,);
Playlist p = results.playlists[i];
return PlaylistTile(
p,
onTap: () {
cache.addToSearchHistory(p);
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => PlaylistDetails(p))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultPlaylistMenu(p);
},
);
}),
ListTile(
title: Text('Show all playlists'.i18n),
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => SearchResultPlaylists(results.playlists))
);
},
)
];
}
return ListView(
children: <Widget>[
Container(height: 8.0,),
...tracks,
Container(height: 8.0,),
...albums,
Container(height: 8.0,),
...artists,
Container(height: 8.0,),
...playlists
],
);
},
)
);
}
}
//List all tracks
class TrackListScreen extends StatelessWidget {
final QueueSource queueSource;
final List<Track> tracks;
TrackListScreen(this.tracks, this.queueSource);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: FreezerAppBar('Tracks'.i18n),
body: ListView.builder(
itemCount: tracks.length,
itemBuilder: (BuildContext context, int i) {
Track t = tracks[i];
return TrackTile(
t,
onTap: () {
playerHelper.playFromTrackList(tracks, t.id, queueSource);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultTrackMenu(t);
},
);
},
),
);
}
}
//List all albums
class AlbumListScreen extends StatelessWidget {
final List<Album> albums;
AlbumListScreen(this.albums);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: FreezerAppBar('Albums'.i18n),
body: ListView.builder(
itemCount: albums.length,
itemBuilder: (context, i) {
Album a = albums[i];
return AlbumTile(
a,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => AlbumDetails(a))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultAlbumMenu(a);
},
);
},
),
);
}
}
class SearchResultPlaylists extends StatelessWidget {
final List<Playlist> playlists;
SearchResultPlaylists(this.playlists);
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: FreezerAppBar('Playlists'.i18n),
body: ListView.builder(
itemCount: playlists.length,
itemBuilder: (context, i) {
Playlist p = playlists[i];
return PlaylistTile(
p,
onTap: () {
Navigator.of(context).push(
MaterialPageRoute(builder: (context) => PlaylistDetails(p))
);
},
onHold: () {
MenuSheet m = MenuSheet(context);
m.defaultPlaylistMenu(p);
},
);
},
),
);
}
}