import 'dart:io'; import 'package:filesize/filesize.dart'; import 'package:flutter/material.dart'; import 'package:freezer/api/download.dart'; import 'package:freezer/translations.i18n.dart'; import 'package:path/path.dart' as p; import 'package:path_provider/path_provider.dart'; import 'cached_image.dart'; import 'dart:async'; class DownloadsScreen extends StatefulWidget { @override _DownloadsScreenState createState() => _DownloadsScreenState(); } class _DownloadsScreenState extends State { List downloads = []; StreamSubscription _stateSubscription; //Sublists List get downloading => downloads.where((d) => d.state == DownloadState.DOWNLOADING || d.state == DownloadState.POST).toList(); List get queued => downloads.where((d) => d.state == DownloadState.NONE).toList(); List get failed => downloads.where((d) => d.state == DownloadState.ERROR || d.state == DownloadState.DEEZER_ERROR).toList(); List get finished => downloads.where((d) => d.state == DownloadState.DONE).toList(); Future _load() async { //Load downloads List _d = await downloadManager.getDownloads(); setState(() { downloads = _d; }); } @override void initState() { _load(); //Subscribe to state update _stateSubscription = downloadManager.serviceEvents.stream.listen((e) { //State change = update if (e['action'] == 'onStateChange') { setState(() => downloadManager.running = downloadManager.running); } //Progress change if (e['action'] == 'onProgress') { setState(() { for (Map su in e['data']) { downloads.firstWhere((d) => d.id == su['id'], orElse: () => Download()).updateFromJson(su); } }); } }); super.initState(); } @override void dispose() { if (_stateSubscription != null) _stateSubscription.cancel(); _stateSubscription = null; super.dispose(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Downloads'.i18n), actions: [ IconButton( icon: Icon(downloadManager.running ? Icons.stop : Icons.play_arrow), onPressed: () { setState(() { if (downloadManager.running) downloadManager.stop(); else downloadManager.start(); }); }, ) ], ), body: ListView( children: [ //Now downloading Container(height: 2.0), Column(children: List.generate(downloading.length, (int i) => DownloadTile( downloading[i], updateCallback: () => _load(), ))), Container(height: 8.0), //Queued if (queued.length > 0) Text( 'Queued'.i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 24.0, fontWeight: FontWeight.bold ), ), Column(children: List.generate(queued.length, (int i) => DownloadTile( queued[i], updateCallback: () => _load(), ))), if (queued.length > 0) ListTile( title: Text('Clear queue'.i18n), leading: Icon(Icons.delete), onTap: () async { await downloadManager.removeDownloads(DownloadState.NONE); await _load(); }, ), //Failed if (failed.length > 0) Text( 'Failed'.i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 24.0, fontWeight: FontWeight.bold ), ), Column(children: List.generate(failed.length, (int i) => DownloadTile( failed[i], updateCallback: () => _load(), ))), //Restart failed if (failed.length > 0) ListTile( title: Text('Restart failed downloads'.i18n), leading: Icon(Icons.restore), onTap: () async { await downloadManager.retryDownloads(); await _load(); }, ), if (failed.length > 0) ListTile( title: Text('Clear failed'.i18n), leading: Icon(Icons.delete), onTap: () async { await downloadManager.removeDownloads(DownloadState.ERROR); await downloadManager.removeDownloads(DownloadState.DEEZER_ERROR); await _load(); }, ), //Finished if (finished.length > 0) Text( 'Done'.i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 24.0, fontWeight: FontWeight.bold ), ), Column(children: List.generate(finished.length, (int i) => DownloadTile( finished[i], updateCallback: () => _load(), ))), if (finished.length > 0) ListTile( title: Text('Clear downloads history'.i18n), leading: Icon(Icons.delete), onTap: () async { await downloadManager.removeDownloads(DownloadState.DONE); await _load(); }, ), ], ) ); } } class DownloadTile extends StatelessWidget { final Download download; final Function updateCallback; DownloadTile(this.download, {this.updateCallback}); String subtitle() { String out = ''; if (download.state != DownloadState.DOWNLOADING && download.state != DownloadState.POST) { //Download type if (download.private) out += 'Offline'.i18n; else out += 'External'.i18n; out += ' | '; } if (download.state == DownloadState.POST) { return 'Post processing...'.i18n; } //Quality if (download.quality == 9) out += 'FLAC'; if (download.quality == 3) out += 'MP3 320kbps'; if (download.quality == 1) out += 'MP3 128kbps'; //Downloading show progress if (download.state == DownloadState.DOWNLOADING) { out += ' | ${filesize(download.received, 2)} / ${filesize(download.filesize, 2)}'; double progress = download.received.toDouble() / download.filesize.toDouble(); out += ' ${(progress*100.0).toStringAsFixed(2)}%'; } return out; } Future onClick(BuildContext context) async { if (download.state != DownloadState.DOWNLOADING && download.state != DownloadState.POST) { showDialog( context: context, builder: (context) { return AlertDialog( title: Text('Delete'.i18n), content: Text('Are you sure you want to delete this download?'.i18n), actions: [ FlatButton( child: Text('Cancel'.i18n), onPressed: () => Navigator.of(context).pop(), ), FlatButton( child: Text('Delete'.i18n), onPressed: () async { await downloadManager.removeDownload(download.id); if (updateCallback != null) updateCallback(); Navigator.of(context).pop(); }, ) ], ); } ); } } //Trailing icon with state Widget trailing() { switch (download.state) { case DownloadState.NONE: return Icon( Icons.query_builder, ); case DownloadState.DOWNLOADING: return Icon( Icons.download_rounded ); case DownloadState.POST: return Icon( Icons.miscellaneous_services ); case DownloadState.DONE: return Icon( Icons.done, color: Colors.green, ); case DownloadState.DEEZER_ERROR: return Icon( Icons.error, color: Colors.blue ); case DownloadState.ERROR: return Icon( Icons.error, color: Colors.red ); } return Container(); } @override Widget build(BuildContext context) { return Column( children: [ ListTile( title: Text(download.title), leading: CachedImage(url: download.image), subtitle: Text(subtitle()), trailing: trailing(), onTap: () => onClick(context), ), if (download.state == DownloadState.DOWNLOADING) LinearProgressIndicator(value: download.progress), if (download.state == DownloadState.POST) LinearProgressIndicator(), ], ); } } class DownloadLogViewer extends StatefulWidget { @override _DownloadLogViewerState createState() => _DownloadLogViewerState(); } class _DownloadLogViewerState extends State { List data = []; //Load log from file Future _load() async { String path = p.join((await getExternalStorageDirectory()).path, 'download.log'); File file = File(path); if (await file.exists()) { String _d = await file.readAsString(); setState(() { data = _d.replaceAll("\r", "").split("\n"); }); } } //Get color by log type Color color(String line) { if (line.startsWith('E:')) return Colors.red; if (line.startsWith('W:')) return Colors.orange[600]; return null; } @override void initState() { _load(); super.initState(); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Download Log'.i18n), ), body: ListView.builder( itemCount: data.length, itemBuilder: (context, i) { return Padding( padding: EdgeInsets.all(8.0), child: Text( data[i], style: TextStyle( fontSize: 14.0, color: color(data[i]) ), ), ); }, ) ); } }