490 lines
14 KiB
Dart
490 lines
14 KiB
Dart
import 'dart:io';
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import 'package:example/choose_user_page.dart';
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import 'package:example/new_chat_screen.dart';
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import 'package:example/new_group_chat_screen.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:stream_chat_flutter/stream_chat_flutter.dart';
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import 'notifications_service.dart';
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import 'routes/app_routes.dart';
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import 'routes/routes.dart';
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import 'search_text_field.dart';
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import 'dart:async';
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void main() async {
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WidgetsFlutterBinding.ensureInitialized();
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final secureStorage = FlutterSecureStorage();
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final apiKey = await secureStorage.read(key: kStreamApiKey);
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final userId = await secureStorage.read(key: kStreamUserId);
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final client = Client(
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apiKey ?? kDefaultStreamApiKey,
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logLevel: Level.INFO,
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showLocalNotification:
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(!kIsWeb && Platform.isAndroid) ? showLocalNotification : null,
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persistenceEnabled: true,
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);
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if (userId != null) {
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final token = await secureStorage.read(key: kStreamToken);
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await client.setUser(
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User(id: userId),
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token,
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);
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if (!kIsWeb) {
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initNotifications(client);
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}
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}
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runApp(MyApp(client));
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}
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class MyApp extends StatelessWidget {
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final Client client;
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MyApp(this.client);
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@override
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Widget build(BuildContext context) {
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return StreamChat(
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client: client,
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child: MaterialApp(
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debugShowCheckedModeBanner: false,
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theme: ThemeData.light(),
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darkTheme: ThemeData.dark(),
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//TODO change to system once dark theme is implemented
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themeMode: ThemeMode.light,
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onGenerateRoute: AppRoutes.generateRoute,
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initialRoute:
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client.state.user == null ? Routes.CHOOSE_USER : Routes.HOME,
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),
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);
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}
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}
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class HomePage extends StatefulWidget {
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@override
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_HomePageState createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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int _currentIndex = 0;
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bool _isSelected(int index) => _currentIndex == index;
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List<BottomNavigationBarItem> get _navBarItems {
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return <BottomNavigationBarItem>[
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BottomNavigationBarItem(
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icon: Stack(
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overflow: Overflow.visible,
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children: [
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StreamSvgIcon.message(
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color: _isSelected(0) ? Colors.black : Colors.grey,
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),
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Positioned(
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top: -3,
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right: -16,
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child: UnreadIndicator(),
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),
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],
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),
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label: 'Chats',
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),
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BottomNavigationBarItem(
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icon: Stack(
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overflow: Overflow.visible,
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children: [
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StreamSvgIcon.mentions(
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color: _isSelected(1) ? Colors.black : Colors.grey,
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),
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],
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),
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label: 'Mentions',
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),
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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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final user = StreamChat.of(context).user;
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return Scaffold(
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appBar: ChannelListHeader(
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onNewChatButtonTap: () {
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Navigator.pushNamed(context, Routes.NEW_CHAT);
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},
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),
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drawer: _buildDrawer(context, user),
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drawerEdgeDragWidth: 50,
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bottomNavigationBar: BottomNavigationBar(
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currentIndex: _currentIndex,
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items: _navBarItems,
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type: BottomNavigationBarType.fixed,
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selectedItemColor: Colors.black,
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unselectedItemColor: Colors.grey,
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onTap: (index) {
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setState(() => _currentIndex = index);
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},
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),
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body: IndexedStack(
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index: _currentIndex,
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children: [
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ChannelListPage(),
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UserMentionPage(),
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],
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),
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);
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}
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Drawer _buildDrawer(BuildContext context, User user) {
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return Drawer(
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child: SafeArea(
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child: Padding(
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padding: EdgeInsets.only(
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top: MediaQuery.of(context).viewPadding.top + 8,
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),
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.only(
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bottom: 20.0,
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left: 8,
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),
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child: Row(
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children: [
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UserAvatar(
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user: user,
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showOnlineStatus: false,
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constraints: BoxConstraints.tight(Size.fromRadius(20)),
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),
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Padding(
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padding: const EdgeInsets.only(left: 16.0),
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child: Text(
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user.name,
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.bold,
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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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ListTile(
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leading: StreamSvgIcon.penWrite(
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color: Colors.black.withOpacity(.5),
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),
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onTap: () {
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Navigator.popAndPushNamed(
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context,
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Routes.NEW_CHAT,
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);
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},
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title: Text(
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'New direct message',
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style: TextStyle(
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fontSize: 14.5,
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),
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),
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),
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ListTile(
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leading: StreamSvgIcon.contacts(
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color: Colors.black.withOpacity(.5),
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),
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onTap: () {
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Navigator.popAndPushNamed(
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context,
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Routes.NEW_GROUP_CHAT,
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);
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},
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title: Text(
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'New group',
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style: TextStyle(
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fontSize: 14.5,
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),
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),
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),
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Expanded(
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child: Container(
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alignment: Alignment.bottomCenter,
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child: ListTile(
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onTap: () async {
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await StreamChat.of(context).client.disconnect();
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final secureStorage = FlutterSecureStorage();
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await secureStorage.deleteAll();
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Navigator.pop(context);
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Navigator.pushReplacementNamed(
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context,
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Routes.CHOOSE_USER,
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);
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},
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leading: StreamSvgIcon.user(
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color: Colors.black.withOpacity(.5),
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),
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title: Text(
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'Sign out',
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style: TextStyle(
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fontSize: 14.5,
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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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class UserMentionPage extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Center(
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child: Text('On Pause Right Now!'),
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);
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}
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}
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class ChannelListPage extends StatefulWidget {
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@override
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_ChannelListPageState createState() => _ChannelListPageState();
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}
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class _ChannelListPageState extends State<ChannelListPage> {
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TextEditingController _controller;
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String _channelQuery = '';
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bool _isSearchActive = false;
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Timer _debounce;
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void _channelQueryListener() {
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if (_debounce?.isActive ?? false) _debounce.cancel();
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_debounce = Timer(const Duration(milliseconds: 350), () {
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if (mounted) {
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setState(() {
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_channelQuery = _controller.text;
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_isSearchActive = _channelQuery.isNotEmpty;
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});
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}
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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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_controller = TextEditingController()..addListener(_channelQueryListener);
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}
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@override
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void dispose() {
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_controller?.removeListener(_channelQueryListener);
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_controller?.dispose();
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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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final user = StreamChat.of(context).user;
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return WillPopScope(
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onWillPop: () async {
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if (_isSearchActive) {
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_controller.clear();
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setState(() => _isSearchActive = false);
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return false;
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}
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return true;
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},
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child: ChannelsBloc(
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child: MessageSearchBloc(
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child: Column(
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children: [
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SearchTextField(
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controller: _controller,
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showCloseButton: _isSearchActive,
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),
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Expanded(
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child: AnimatedSwitcher(
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duration: const Duration(milliseconds: 350),
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child: GestureDetector(
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behavior: HitTestBehavior.opaque,
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onPanDown: (_) => FocusScope.of(context).unfocus(),
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child: _isSearchActive
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? MessageSearchListView(
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messageQuery: _channelQuery,
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filters: {
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'members': {
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r'$in': [user.id]
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}
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},
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sortOptions: [
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SortOption(
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'created_at',
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direction: SortOption.ASC,
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),
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],
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paginationParams: PaginationParams(limit: 20),
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onItemTap: (messageResponse) async {
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final client = StreamChat.of(context).client;
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final message = messageResponse.message;
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final channel = client.channel(
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messageResponse.channel.type,
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id: messageResponse.channel.id,
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);
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if (channel.state == null) {
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await channel.watch();
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}
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Navigator.pushNamed(
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context,
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Routes.CHANNEL_PAGE,
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arguments: ChannelPageArgs(
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channel: channel,
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initialMessage: message,
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),
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);
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},
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)
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: ChannelListView(
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onStartChatPressed: () {
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Navigator.pushNamed(context, Routes.NEW_CHAT);
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},
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swipeToAction: true,
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filter: {
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'members': {
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r'$in': [user.id],
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},
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},
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options: {
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'presence': true,
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},
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pagination: PaginationParams(
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limit: 20,
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),
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channelWidget: ChannelPage(),
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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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class ChannelPageArgs {
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final Channel channel;
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final Message initialMessage;
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const ChannelPageArgs({
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this.channel,
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this.initialMessage,
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});
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}
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class ChannelPage extends StatelessWidget {
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final int initialScrollIndex;
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final double initialAlignment;
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final bool highlightInitialMessage;
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const ChannelPage({
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Key key,
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this.initialScrollIndex,
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this.initialAlignment,
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this.highlightInitialMessage = false,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Color.fromRGBO(252, 252, 252, 1),
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appBar: ChannelHeader(
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showTypingIndicator: false,
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),
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body: Column(
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children: <Widget>[
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Expanded(
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child: Stack(
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children: <Widget>[
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MessageListView(
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initialScrollIndex: initialScrollIndex,
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initialAlignment: initialAlignment,
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highlightInitialMessage: highlightInitialMessage,
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threadBuilder: (_, parentMessage) {
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return ThreadPage(
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parent: parentMessage,
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);
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},
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),
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Positioned(
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bottom: 0,
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left: 0,
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right: 0,
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child: Container(
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alignment: Alignment.centerLeft,
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color: Color(0xffFCFCFC).withOpacity(.9),
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child: TypingIndicator(
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alignment: Alignment.centerLeft,
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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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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MessageInput(),
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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 ThreadPage extends StatelessWidget {
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final Message parent;
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final int initialScrollIndex;
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final double initialAlignment;
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ThreadPage({
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Key key,
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this.parent,
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this.initialScrollIndex,
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this.initialAlignment,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: ThreadHeader(
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parent: parent,
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),
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body: Column(
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children: <Widget>[
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Expanded(
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child: MessageListView(
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parentMessage: parent,
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initialScrollIndex: initialScrollIndex,
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initialAlignment: initialAlignment,
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),
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),
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if (parent.type != 'deleted')
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MessageInput(
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parentMessage: parent,
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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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