443 lines
20 KiB
Dart
443 lines
20 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:google_fonts/google_fonts.dart';
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import 'package:intl/intl.dart';
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import 'package:line_icons/line_icons.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:provider/provider.dart';
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import '../local_storage/sqflite_localpodcast.dart';
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import '../state/download_state.dart';
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import '../type/episodebrief.dart';
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import '../util/custom_widget.dart';
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import '../util/extension_helper.dart';
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class DownloadsManage extends StatefulWidget {
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@override
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_DownloadsManageState createState() => _DownloadsManageState();
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}
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class _DownloadsManageState extends State<DownloadsManage> {
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//Downloaded size
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int _size;
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int _mode;
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//Downloaded files
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int _fileNum;
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bool _clearing;
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bool _onlyListened;
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List<EpisodeBrief> _selectedList;
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Future<List<EpisodeBrief>> _getDownloadedEpisode(int mode) async {
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var episodes = <EpisodeBrief>[];
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var dbHelper = DBHelper();
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episodes = await dbHelper.getDownloadedEpisode(mode);
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return episodes;
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}
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Future<int> _isListened(EpisodeBrief episode) async {
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var dbHelper = DBHelper();
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return await dbHelper.isListened(episode.enclosureUrl);
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}
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Future<void> _getStorageSize() async {
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_size = 0;
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_fileNum = 0;
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final dirs = await getExternalStorageDirectories();
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for (var dir in dirs) {
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dir.list().forEach((d) {
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var fileDir = Directory(d.path);
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fileDir.list().forEach((file) async {
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await File(file.path).stat().then((value) {
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_size += value.size;
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_fileNum += 1;
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if (mounted) setState(() {});
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});
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});
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});
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}
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}
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Future<void> _delSelectedEpisodes() async {
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setState(() => _clearing = true);
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// await Future.forEach(_selectedList, (EpisodeBrief episode) async
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for (var episode in _selectedList) {
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var downloader = Provider.of<DownloadState>(context, listen: false);
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await downloader.delTask(episode);
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if (mounted) setState(() {});
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}
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await Future.delayed(Duration(seconds: 1));
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if (mounted) {
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setState(() {
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_clearing = false;
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});
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}
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await Future.delayed(Duration(seconds: 1));
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if (mounted) setState(() => _selectedList = []);
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_getStorageSize();
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}
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String _downloadDateToString(BuildContext context,
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{int downloadDate, int pubDate}) {
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final s = context.s;
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var date = DateTime.fromMillisecondsSinceEpoch(downloadDate);
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var diffrence = DateTime.now().toUtc().difference(date);
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if (diffrence.inHours < 24) {
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return s.hoursAgo(diffrence.inHours);
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} else if (diffrence.inDays < 7) {
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return s.daysAgo(diffrence.inDays);
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} else {
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return DateFormat.yMMMd().format(
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DateTime.fromMillisecondsSinceEpoch(pubDate, isUtc: true).toLocal());
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}
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}
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int sumSelected() {
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var sum = 0;
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if (_selectedList.length == 0) {
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return sum;
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} else {
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for (var episode in _selectedList) {
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sum += episode.enclosureLength;
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}
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return sum;
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}
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}
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@override
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void initState() {
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super.initState();
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_clearing = false;
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_selectedList = [];
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_mode = 0;
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_onlyListened = false;
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_getStorageSize();
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}
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@override
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Widget build(BuildContext context) {
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final s = context.s;
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return AnnotatedRegion<SystemUiOverlayStyle>(
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value: SystemUiOverlayStyle(
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statusBarIconBrightness: Theme.of(context).accentColorBrightness,
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systemNavigationBarColor: Theme.of(context).primaryColor,
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systemNavigationBarIconBrightness:
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Theme.of(context).accentColorBrightness,
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),
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child: Scaffold(
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appBar: AppBar(
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leading: CustomBackButton(),
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elevation: 0,
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backgroundColor: context.primaryColor,
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),
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body: SafeArea(
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child: Stack(
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children: <Widget>[
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Column(
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mainAxisAlignment: MainAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Container(
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height: 140.0,
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color: context.primaryColor,
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child: Column(
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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Padding(
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padding: const EdgeInsets.only(left: 10),
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child: RichText(
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text: TextSpan(
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text: 'Total ',
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style: TextStyle(
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color: context.accentColor,
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fontSize: 20,
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),
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children: <TextSpan>[
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TextSpan(
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text: _fileNum.toString(),
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style: GoogleFonts.cairo(
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textStyle: TextStyle(
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color: context.accentColor,
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fontSize: 40,
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)),
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),
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TextSpan(
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text: _fileNum < 2
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? ' episode'
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: ' episodes ',
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style: TextStyle(
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color: context.accentColor,
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fontSize: 20,
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)),
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TextSpan(
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text: (_size ~/ 1000000) < 1000
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? (_size ~/ 1000000).toString()
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: (_size / 1000000000).toStringAsFixed(1),
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style: GoogleFonts.cairo(
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textStyle: TextStyle(
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color: Theme.of(context).accentColor,
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fontSize: 50,
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)),
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),
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TextSpan(
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text:
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(_size ~/ 1000000) < 1000 ? 'Mb' : 'Gb',
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style: TextStyle(
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color: Theme.of(context).accentColor,
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fontSize: 20,
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)),
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],
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),
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),
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),
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Spacer(),
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SizedBox(
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height: 40,
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child: Row(
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children: [
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Material(
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color: Colors.transparent,
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child: PopupMenuButton<int>(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.all(
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Radius.circular(10))),
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elevation: 1,
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tooltip: s.homeSubMenuSortBy,
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child: Container(
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height: 40,
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padding:
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EdgeInsets.symmetric(horizontal: 20),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(s.homeSubMenuSortBy),
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Padding(
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padding: EdgeInsets.symmetric(
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horizontal: 5),
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),
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Icon(
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_mode == 0
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? LineIcons
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.hourglass_start_solid
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: _mode == 1
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? LineIcons
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.hourglass_half_solid
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: LineIcons.save,
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size: 18,
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)
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],
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)),
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itemBuilder: (context) => [
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PopupMenuItem(
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value: 0,
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child: Text(s.newestFirst),
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),
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PopupMenuItem(
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value: 1,
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child: Text(s.oldestFirst),
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),
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PopupMenuItem(
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value: 2,
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child: Text(s.size),
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),
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],
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onSelected: (value) {
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if (value == 0) {
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setState(() => _mode = 0);
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} else if (value == 1) {
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setState(() => _mode = 1);
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} else if (value == 2) {
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setState(() => _mode = 2);
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}
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},
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),
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),
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//Spacer(),
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Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: () => setState(() {
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_onlyListened = !_onlyListened;
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}),
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child: Row(
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children: [
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Padding(
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padding:
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EdgeInsets.symmetric(horizontal: 5),
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),
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Text(s.listened),
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Transform.scale(
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scale: 0.8,
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child: Checkbox(
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value: _onlyListened,
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onChanged: (value) {
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setState(() {
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_onlyListened = value;
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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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),
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),
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],
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),
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),
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Expanded(
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child: FutureBuilder<List<EpisodeBrief>>(
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future: _getDownloadedEpisode(_mode),
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initialData: [],
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builder: (context, snapshot) {
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var _episodes = snapshot.data;
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return ListView.builder(
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itemCount: _episodes.length,
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shrinkWrap: true,
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scrollDirection: Axis.vertical,
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itemBuilder: (context, index) {
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return FutureBuilder(
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future: _isListened(_episodes[index]),
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initialData: 0,
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builder: (context, snapshot) {
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return (_onlyListened && snapshot.data == 0)
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? Center()
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: Column(
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children: <Widget>[
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ListTile(
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onTap: () {
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if (_selectedList.contains(
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_episodes[index])) {
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setState(() => _selectedList
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.removeWhere((episode) =>
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episode
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.enclosureUrl ==
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_episodes[index]
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.enclosureUrl));
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} else {
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setState(() => _selectedList
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.add(_episodes[index]));
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}
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},
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leading: CircleAvatar(
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backgroundImage:
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_episodes[index]
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.avatarImage),
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title: Text(
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_episodes[index].title,
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maxLines: 1,
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overflow:
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TextOverflow.ellipsis,
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),
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subtitle: Row(
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children: [
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Text(_downloadDateToString(
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context,
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downloadDate:
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_episodes[index]
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.downloadDate,
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pubDate:
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_episodes[index]
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.pubDate)),
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SizedBox(width: 20),
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if (_episodes[index]
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.enclosureLength !=
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0)
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Text(
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'${(_episodes[index].enclosureLength) ~/ 1000000} Mb'),
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],
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),
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trailing: Checkbox(
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value: _selectedList.contains(
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_episodes[index]),
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onChanged: (boo) {
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if (boo) {
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setState(() =>
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_selectedList.add(
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_episodes[
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index]));
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} else {
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setState(() => _selectedList
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.removeWhere((episode) =>
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episode
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.enclosureUrl ==
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_episodes[index]
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.enclosureUrl));
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}
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},
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),
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),
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Divider(
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height: 2,
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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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],
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),
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AnimatedPositioned(
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duration: Duration(milliseconds: 800),
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curve: Curves.elasticInOut,
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left: context.width / 2 - 50,
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bottom: _selectedList.length == 0 ? -100 : 30,
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child: InkWell(
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onTap: _delSelectedEpisodes,
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child: Stack(
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alignment: _clearing
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? Alignment.centerLeft
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: Alignment.centerRight,
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children: <Widget>[
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Container(
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alignment: Alignment.center,
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width: 100,
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height: 40,
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decoration: BoxDecoration(
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borderRadius:
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BorderRadius.all(Radius.circular(20.0)),
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color: Theme.of(context).accentColor,
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: <Widget>[
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Icon(
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LineIcons.trash_alt_solid,
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color: Colors.white,
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),
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Text('${sumSelected() ~/ 1000000}Mb',
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style: TextStyle(color: Colors.white)),
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],
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),
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),
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SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: AnimatedContainer(
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duration: Duration(milliseconds: 500),
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alignment: Alignment.center,
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width: _clearing ? 100 : 0,
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height: _clearing ? 40 : 0,
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decoration: BoxDecoration(
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borderRadius:
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BorderRadius.all(Radius.circular(20.0)),
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color: Colors.red.withOpacity(0.6),
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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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),
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),
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);
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}
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}
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