315 lines
10 KiB
Dart
315 lines
10 KiB
Dart
import 'dart:async';
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import 'dart:convert';
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import 'dart:developer';
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import 'package:dio/dio.dart';
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import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:gap/gap.dart';
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import 'package:go_router/go_router.dart';
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import 'package:material_symbols_icons/symbols.dart';
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import 'package:provider/provider.dart';
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import 'package:styled_widget/styled_widget.dart';
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import 'package:surface/controllers/chat_message_controller.dart';
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import 'package:surface/providers/channel.dart';
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import 'package:surface/providers/chat_call.dart';
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import 'package:surface/providers/sn_network.dart';
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import 'package:surface/providers/websocket.dart';
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import 'package:surface/types/chat.dart';
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import 'package:surface/widgets/chat/call/call_prejoin.dart';
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import 'package:surface/widgets/chat/chat_message.dart';
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import 'package:surface/widgets/chat/chat_message_input.dart';
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import 'package:surface/widgets/dialog.dart';
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import 'package:surface/widgets/loading_indicator.dart';
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import 'package:very_good_infinite_list/very_good_infinite_list.dart';
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class ChatRoomScreen extends StatefulWidget {
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final String scope;
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final String alias;
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const ChatRoomScreen({super.key, required this.scope, required this.alias});
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@override
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State<ChatRoomScreen> createState() => _ChatRoomScreenState();
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}
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class _ChatRoomScreenState extends State<ChatRoomScreen> {
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bool _isBusy = false;
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bool _isCalling = false;
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SnChannel? _channel;
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SnChatCall? _ongoingCall;
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final GlobalKey<ChatMessageInputState> _inputGlobalKey = GlobalKey();
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late final ChatMessageController _messageController;
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StreamSubscription? _wsSubscription;
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Future<void> _fetchChannel() async {
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setState(() => _isBusy = true);
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try {
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final chan = context.read<ChatChannelProvider>();
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_channel = await chan.getChannel('${widget.scope}:${widget.alias}');
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} catch (err) {
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if (!mounted) return;
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context.showErrorDialog(err);
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} finally {
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setState(() => _isBusy = false);
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}
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}
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Future<void> _fetchOngoingCall() async {
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setState(() => _isCalling = true);
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try {
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final sn = context.read<SnNetworkProvider>();
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final resp = await sn.client.get(
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'/cgi/im/channels/${_messageController.channel!.keyPath}/calls/ongoing',
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options: Options(
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validateStatus: (status) => status != null && status < 500,
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),
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);
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if (resp.statusCode == 200) {
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_ongoingCall = SnChatCall.fromJson(resp.data);
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}
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} catch (err) {
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if (!mounted) return;
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context.showErrorDialog(err);
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} finally {
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setState(() => _isCalling = false);
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}
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}
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Future<void> _makeCall() async {
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setState(() => _isCalling = true);
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try {
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final sn = context.read<SnNetworkProvider>();
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final resp = await sn.client.post(
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'/cgi/im/channels/${_messageController.channel!.keyPath}/calls',
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options: Options(
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sendTimeout: const Duration(seconds: 30),
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receiveTimeout: const Duration(seconds: 30),
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),
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);
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log(jsonDecode(resp.data));
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} catch (err) {
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if (!mounted) return;
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context.showErrorDialog(err);
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} finally {
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setState(() => _isCalling = false);
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}
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}
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Future<void> _endCall() async {
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setState(() => _isCalling = true);
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try {
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final sn = context.read<SnNetworkProvider>();
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await sn.client.delete(
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'/cgi/im/channels/${_messageController.channel!.keyPath}/calls/ongoing',
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);
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} catch (err) {
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if (!mounted) return;
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context.showErrorDialog(err);
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} finally {
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setState(() => _isCalling = false);
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}
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}
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Future<void> _onCallJoin() async {
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await showModalBottomSheet(
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context: context,
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builder: (context) => ChatCallPrejoinPopup(
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ongoingCall: _ongoingCall!,
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channel: _channel!,
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onJoin: _onCallResume,
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),
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);
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}
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void _onCallResume() {
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GoRouter.of(context).pushNamed(
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'chatCallRoom',
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pathParameters: {
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'scope': _channel!.realm!.alias,
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'alias': _channel!.alias,
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},
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);
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}
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bool _checkMessageMergeable(SnChatMessage? a, SnChatMessage? b) {
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if (a == null || b == null) return false;
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if (a.sender.accountId != b.sender.accountId) return false;
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return a.createdAt.difference(b.createdAt).inMinutes <= 3;
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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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_messageController = ChatMessageController(context);
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_fetchChannel().then((_) async {
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await _messageController.initialize(_channel!);
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await _messageController.checkUpdate();
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await _fetchOngoingCall();
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});
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final ws = context.read<WebSocketProvider>();
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_wsSubscription = ws.stream.stream.listen((event) {
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switch (event.method) {
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case 'calls.new':
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final payload = SnChatCall.fromJson(event.payload!);
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if (payload.channelId == _channel?.id) {
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setState(() => _ongoingCall = payload);
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}
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break;
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case 'calls.end':
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final payload = SnChatCall.fromJson(event.payload!);
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if (payload.channelId == _channel?.id) {
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setState(() => _ongoingCall = null);
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}
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break;
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}
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});
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}
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@override
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void dispose() {
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_wsSubscription?.cancel();
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_messageController.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 call = context.watch<ChatCallProvider>();
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return Scaffold(
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appBar: AppBar(
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title: Text(_channel?.name ?? 'loading'.tr()),
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actions: [
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IconButton(
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icon: _ongoingCall == null
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? const Icon(Symbols.call)
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: const Icon(Symbols.call_end),
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onPressed: _isCalling
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? null
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: _ongoingCall == null
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? _makeCall
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: _endCall,
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),
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IconButton(
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icon: const Icon(Symbols.more_vert),
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onPressed: () {
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GoRouter.of(context).pushNamed('channelDetail', pathParameters: {
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'scope': widget.scope,
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'alias': widget.alias,
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}).then((value) {
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if (value != null) {
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_fetchChannel();
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}
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});
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},
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),
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const Gap(8),
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],
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),
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body: ListenableBuilder(
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listenable: _messageController,
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builder: (context, _) {
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return Column(
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children: [
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LoadingIndicator(isActive: _isBusy),
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SingleChildScrollView(
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physics: const NeverScrollableScrollPhysics(),
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child: MaterialBanner(
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dividerColor: Colors.transparent,
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leading: const Icon(Symbols.call_received),
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content: Text('callOngoingNotice').tr().padding(top: 2),
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actions: [
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if (call.current == null)
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TextButton(
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onPressed: _onCallJoin,
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child: Text('callJoin').tr(),
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)
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else if (call.current?.channelId == _channel?.id)
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TextButton(
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onPressed: _onCallResume,
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child: Text('callResume').tr(),
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)
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],
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),
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).height(_ongoingCall != null ? 54 : 0, animate: true).animate(
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const Duration(milliseconds: 300),
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Curves.fastLinearToSlowEaseIn),
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if (_messageController.isPending)
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Expanded(
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child: const CircularProgressIndicator().center(),
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),
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if (!_messageController.isPending)
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Expanded(
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child: InfiniteList(
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reverse: true,
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padding: const EdgeInsets.only(
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left: 12,
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right: 12,
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top: 12,
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),
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hasReachedMax: _messageController.isAllLoaded,
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itemCount: _messageController.messages.length,
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isLoading: _messageController.isLoading,
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onFetchData: () {
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_messageController.loadMessages();
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},
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itemBuilder: (context, idx) {
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final message = _messageController.messages[idx];
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bool canMerge = false, canMergePrevious = false;
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if (idx > 0) {
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canMergePrevious = _checkMessageMergeable(
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_messageController.messages[idx - 1],
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_messageController.messages[idx],
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);
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}
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if (idx + 1 < _messageController.messages.length) {
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canMerge = _checkMessageMergeable(
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_messageController.messages[idx],
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_messageController.messages[idx + 1],
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);
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}
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return ChatMessage(
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data: message,
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isMerged: canMerge,
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hasMerged: canMergePrevious,
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isPending: _messageController.unconfirmedMessages
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.contains(message.uuid),
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onReply: (value) {
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_inputGlobalKey.currentState?.setReply(value);
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},
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onEdit: (value) {
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_inputGlobalKey.currentState?.setEdit(value);
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},
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onDelete: (value) {
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_inputGlobalKey.currentState?.deleteMessage(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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if (!_messageController.isPending)
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Material(
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elevation: 2,
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child: ChatMessageInput(
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key: _inputGlobalKey,
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controller: _messageController,
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).padding(bottom: MediaQuery.of(context).padding.bottom),
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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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