screen sharing for desktop. (#135)
* screen sharing for desktop (WIP). * use git repo for testing. * update. * Add sourceId/frameRate to ScreenShareCaptureOptions. * Compatible with flutter web. * Rendering of camera and screenshare video tracks at same time. * Remote screen sharing is shown first, and fixed sub/unsub button for screenshare widget. * resolved conflict. * modify flutter-webrtc to pub version. * remove unused import. * chore: Common params for Camera and ScreenShare.
This commit is contained in:
CloudWebRTC
@@ -0,0 +1,318 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
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import '../logger.dart';
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// ignore: must_be_immutable
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class ScreenSelectDialog extends Dialog {
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ScreenSelectDialog({Key? key}) : super(key: key) {
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Future.delayed(const Duration(milliseconds: 100), () {
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_getSources();
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});
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_subscriptions.add(rtc.desktopCapturer.onAdded.stream.listen((source) {
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_sources[source.id] = source;
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_stateSetter?.call(() {});
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}));
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_subscriptions.add(rtc.desktopCapturer.onRemoved.stream.listen((source) {
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_sources.remove(source.id);
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_stateSetter?.call(() {});
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}));
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_subscriptions
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.add(rtc.desktopCapturer.onNameChanged.stream.listen((source) {
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_sources[source.id] = source;
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_stateSetter?.call(() {});
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}));
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_subscriptions
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.add(rtc.desktopCapturer.onThumbnailChanged.stream.listen((source) {
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_sources[source.id] = source;
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_stateSetter?.call(() {});
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}));
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}
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final Map<String, rtc.DesktopCapturerSource> _sources = {};
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rtc.SourceType _sourceType = rtc.SourceType.Screen;
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rtc.DesktopCapturerSource? _selectedSource;
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final List<StreamSubscription<rtc.DesktopCapturerSource>> _subscriptions = [];
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StateSetter? _stateSetter;
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Timer? _timer;
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void _ok(BuildContext context) {
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_timer?.cancel();
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for (var item in _subscriptions) {
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item.cancel();
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}
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Navigator.pop<rtc.DesktopCapturerSource>(context, _selectedSource);
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}
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void _cancel(BuildContext context) {
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_timer?.cancel();
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for (var item in _subscriptions) {
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item.cancel();
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}
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Navigator.pop<rtc.DesktopCapturerSource>(context, null);
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}
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Future<void> _getSources() async {
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try {
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var sources = await rtc.desktopCapturer.getSources(types: [_sourceType]);
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for (var item in sources) {
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logger.info('name: ${item.name}, id: ${item.id}, type: ${item.type}');
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}
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_stateSetter?.call(() {
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for (var item in sources) {
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_sources[item.id] = item;
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}
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});
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_timer?.cancel();
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_timer = Timer.periodic(const Duration(seconds: 2), (timer) {
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rtc.desktopCapturer.updateSources(types: [_sourceType]);
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});
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return;
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} catch (e) {
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logger.warning(e.toString());
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}
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}
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@override
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Widget build(BuildContext context) {
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return Material(
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type: MaterialType.transparency,
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child: Center(
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child: Container(
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width: 640,
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height: 560,
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color: Colors.white,
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child: Column(
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children: <Widget>[
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Padding(
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padding: const EdgeInsets.all(10),
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child: Stack(
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children: <Widget>[
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const Align(
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alignment: Alignment.topLeft,
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child: Text(
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'Choose what to share',
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style: TextStyle(fontSize: 16, color: Colors.black87),
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),
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),
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Align(
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alignment: Alignment.topRight,
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child: InkWell(
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child: const Icon(Icons.close),
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onTap: () => _cancel(context),
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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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flex: 1,
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(10),
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child: StatefulBuilder(
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builder: (context, setState) {
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_stateSetter = setState;
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return DefaultTabController(
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length: 2,
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child: Column(
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children: <Widget>[
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Container(
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constraints:
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const BoxConstraints.expand(height: 24),
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child: TabBar(
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onTap: (value) => Future.delayed(
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const Duration(milliseconds: 300), () {
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_sourceType = value == 0
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? rtc.SourceType.Screen
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: rtc.SourceType.Window;
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_getSources();
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}),
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tabs: const [
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Tab(
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child: Text(
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'Entire Screen',
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style: TextStyle(color: Colors.black54),
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)),
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Tab(
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child: Text(
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'Window',
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style: TextStyle(color: Colors.black54),
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)),
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]),
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),
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const SizedBox(
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height: 2,
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),
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Expanded(
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child: TabBarView(children: [
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Align(
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alignment: Alignment.center,
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child: GridView.count(
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crossAxisSpacing: 8,
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crossAxisCount: 2,
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children: _sources.entries
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.where((element) =>
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element.value.type ==
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rtc.SourceType.Screen)
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.map((e) => Column(
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children: [
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Expanded(
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child: Container(
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decoration: (_selectedSource !=
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null &&
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_selectedSource!.id ==
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e.value.id)
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? BoxDecoration(
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border: Border.all(
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width: 2,
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color: Colors
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.blueAccent))
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: null,
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child: InkWell(
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onTap: () {
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logger.info(
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'Selected screen id => ${e.value.id}');
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setState(() {
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_selectedSource =
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e.value;
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});
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},
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child: e.value.thumbnail !=
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null
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? Image.memory(
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e.value.thumbnail!,
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scale: 1.0,
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repeat: ImageRepeat
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.noRepeat,
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)
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: Container(),
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),
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)),
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Text(
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e.value.name,
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style: TextStyle(
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fontSize: 12,
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color: Colors.black87,
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fontWeight:
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(_selectedSource !=
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null &&
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_selectedSource!
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.id ==
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e.value
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.id)
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? FontWeight.bold
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: FontWeight
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.normal),
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),
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],
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))
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.toList(),
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)),
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Align(
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alignment: Alignment.center,
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child: GridView.count(
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crossAxisSpacing: 8,
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crossAxisCount: 3,
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children: _sources.entries
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.where((element) =>
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element.value.type ==
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rtc.SourceType.Window)
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.map((e) => Column(
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children: [
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Expanded(
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child: Container(
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decoration: (_selectedSource !=
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null &&
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_selectedSource!.id ==
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e.value.id)
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? BoxDecoration(
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border: Border.all(
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width: 2,
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color: Colors
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.blueAccent))
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: null,
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child: InkWell(
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onTap: () {
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logger.info(
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'Selected window id => ${e.value.id}');
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setState(() {
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_selectedSource =
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e.value;
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});
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},
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child: e.value.thumbnail!
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.isNotEmpty
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? Image.memory(
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e.value.thumbnail!,
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scale: 1.0,
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repeat: ImageRepeat
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.noRepeat,
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)
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: Container(),
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),
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)),
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Text(
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e.value.name,
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style: TextStyle(
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fontSize: 12,
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color: Colors.black87,
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fontWeight:
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(_selectedSource !=
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null &&
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_selectedSource!
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.id ==
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e.value
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.id)
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? FontWeight.bold
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: FontWeight
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.normal),
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),
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],
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))
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.toList(),
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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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SizedBox(
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width: double.infinity,
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child: ButtonBar(
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children: <Widget>[
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MaterialButton(
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child: const Text(
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'Cancel',
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style: TextStyle(color: Colors.black54),
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),
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onPressed: () {
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_cancel(context);
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},
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),
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MaterialButton(
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color: Theme.of(context).primaryColor,
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child: const Text(
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'Share',
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),
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onPressed: () {
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_ok(context);
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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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