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