import 'package:filesize/filesize.dart'; import 'package:flutter/material.dart'; import 'cached_image.dart'; import '../api/download.dart'; class DownloadTile extends StatelessWidget { final Download download; Function onDelete; DownloadTile(this.download, {this.onDelete}); String get subtitle { switch (download.state) { case DownloadState.NONE: return ''; case DownloadState.DOWNLOADING: return '${filesize(download.received)} / ${filesize(download.total)}'; case DownloadState.POST: return 'Post processing...'; case DownloadState.DONE: return 'Done'; //Shouldn't be visible } return ''; } Widget get progressBar { switch (download.state) { case DownloadState.DOWNLOADING: return LinearProgressIndicator(value: download.received / download.total); case DownloadState.POST: return LinearProgressIndicator(); default: return Container(height: 0, width: 0,); } } Widget get trailing { if (download.private) { return Icon(Icons.offline_pin); } return Icon(Icons.sd_card); } @override Widget build(BuildContext context) { return Column( mainAxisSize: MainAxisSize.min, children: [ ListTile( title: Text(download.track.title), subtitle: Text(subtitle), leading: CachedImage( url: download.track.albumArt.thumb, ), trailing: trailing, onTap: () { //Delete if none if (download.state == DownloadState.NONE) { showDialog( context: context, builder: (context) { return AlertDialog( title: Text('Delete'), content: Text('Are you sure, you want to delete this download?'), actions: [ FlatButton( child: Text('Cancel'), onPressed: () => Navigator.of(context).pop(), ), FlatButton( child: Text('Delete'), onPressed: () { downloadManager.removeDownload(download); if (this.onDelete != null) this.onDelete(); Navigator.of(context).pop(); }, ) ], ); } ); } }, ), progressBar ], ); } } class DownloadsScreen extends StatefulWidget { @override _DownloadsScreenState createState() => _DownloadsScreenState(); } class _DownloadsScreenState extends State { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Text('Downloads'), actions: [ IconButton( icon: Icon(Icons.delete_sweep), onPressed: () { showDialog( context: context, builder: (context) { return AlertDialog( title: Text('Delete'), content: Text('Are you sure, you want to delete all queued downloads?'), actions: [ FlatButton( child: Text('Cancel'), onPressed: () => Navigator.of(context).pop(), ), FlatButton( child: Text('Delete'), onPressed: () async { await downloadManager.clearQueue(); Navigator.of(context).pop(); }, ) ], ); } ); }, ) ], ), body: ListView( children: [ StreamBuilder( stream: Stream.periodic(Duration(milliseconds: 500)).asBroadcastStream(), //Periodic to get current download progress builder: (BuildContext context, AsyncSnapshot snapshot) { if (downloadManager.queue.length == 0) return Container(width: 0, height: 0,); return Column( children: List.generate(downloadManager.queue.length, (i) { return DownloadTile(downloadManager.queue[i], onDelete: () => setState(() => {})); }) ); }, ), FutureBuilder( future: downloadManager.getFinishedDownloads(), builder: (context, snapshot) { if (!snapshot.hasData || snapshot.data.length == 0) return Container(height: 0, width: 0,); return Column( children: [ Divider(), Text( 'History', style: TextStyle( fontSize: 24.0, fontWeight: FontWeight.bold ), ), ...List.generate(snapshot.data.length, (i) { Download d = snapshot.data[i]; return DownloadTile(d); }), ListTile( title: Text('Clear downloads history'), leading: Icon(Icons.delete), subtitle: Text('WARNING: This will only clear non-offline (external downloads)'), onTap: () async { await downloadManager.cleanDownloadHistory(); setState(() {}); }, ), ], ); }, ) ], ) ); } }