529 lines
24 KiB
Dart
529 lines
24 KiB
Dart
import 'dart:convert';
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import 'dart:io';
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import 'package:contacts_plus_plus/apis/record_api.dart';
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import 'package:contacts_plus_plus/client_holder.dart';
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import 'package:contacts_plus_plus/clients/api_client.dart';
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import 'package:contacts_plus_plus/clients/messaging_client.dart';
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import 'package:contacts_plus_plus/models/friend.dart';
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import 'package:contacts_plus_plus/models/message.dart';
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import 'package:contacts_plus_plus/widgets/default_error_widget.dart';
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import 'package:contacts_plus_plus/widgets/friends/friend_online_status_indicator.dart';
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import 'package:contacts_plus_plus/widgets/messages/message_attachment_list.dart';
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import 'package:contacts_plus_plus/widgets/messages/message_camera_view.dart';
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import 'package:contacts_plus_plus/widgets/messages/messages_session_header.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'message_bubble.dart';
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class MessagesList extends StatefulWidget {
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const MessagesList({required this.friend, super.key});
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final Friend friend;
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@override
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State<StatefulWidget> createState() => _MessagesListState();
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}
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class _MessagesListState extends State<MessagesList> with SingleTickerProviderStateMixin {
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final TextEditingController _messageTextController = TextEditingController();
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final ScrollController _sessionListScrollController = ScrollController();
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final ScrollController _messageScrollController = ScrollController();
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final List<File> _loadedFiles = [];
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bool _hasText = false;
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bool _isSending = false;
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bool _attachmentPickerOpen = false;
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double? _sendProgress;
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bool _showBottomBarShadow = false;
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bool _showSessionListScrollChevron = false;
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double get _shevronOpacity => _showSessionListScrollChevron ? 1.0 : 0.0;
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@override
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void dispose() {
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_messageTextController.dispose();
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_sessionListScrollController.dispose();
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super.dispose();
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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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_sessionListScrollController.addListener(() {
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if (_sessionListScrollController.position.maxScrollExtent > 0 && !_showSessionListScrollChevron) {
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setState(() {
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_showSessionListScrollChevron = true;
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});
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}
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if (_sessionListScrollController.position.atEdge && _sessionListScrollController.position.pixels > 0
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&& _showSessionListScrollChevron) {
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setState(() {
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_showSessionListScrollChevron = false;
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});
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}
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});
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_messageScrollController.addListener(() {
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if (!_messageScrollController.hasClients) return;
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if (_attachmentPickerOpen && _loadedFiles.isEmpty) {
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setState(() {
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_attachmentPickerOpen = false;
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});
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}
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if (_messageScrollController.position.atEdge && _messageScrollController.position.pixels == 0 &&
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_showBottomBarShadow) {
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setState(() {
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_showBottomBarShadow = false;
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});
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} else if (!_showBottomBarShadow) {
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setState(() {
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_showBottomBarShadow = true;
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});
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}
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});
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}
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Future<void> sendTextMessage(ApiClient client, MessagingClient mClient, String content) async {
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if (content.isEmpty) return;
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final message = Message(
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id: Message.generateId(),
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recipientId: widget.friend.id,
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senderId: client.userId,
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type: MessageType.text,
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content: content,
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sendTime: DateTime.now().toUtc(),
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);
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mClient.sendMessage(message);
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_messageTextController.clear();
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_hasText = false;
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}
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Future<void> sendImageMessage(ApiClient client, MessagingClient mClient, File file, String machineId, void Function(double progress) progressCallback) async {
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final record = await RecordApi.uploadImage(
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client,
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image: file,
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machineId: machineId,
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progressCallback: progressCallback,
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);
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final message = Message(
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id: Message.generateId(),
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recipientId: widget.friend.id,
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senderId: client.userId,
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type: MessageType.object,
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content: jsonEncode(record.toMap()),
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sendTime: DateTime.now().toUtc(),
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);
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mClient.sendMessage(message);
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_messageTextController.clear();
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_hasText = false;
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}
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@override
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Widget build(BuildContext context) {
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final apiClient = ClientHolder
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.of(context)
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.apiClient;
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var sessions = widget.friend.userStatus.activeSessions;
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final appBarColor = Theme
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.of(context)
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.colorScheme
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.surfaceVariant;
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return Consumer<MessagingClient>(
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builder: (context, mClient, _) {
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final cache = mClient.getUserMessageCache(widget.friend.id);
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return Scaffold(
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appBar: AppBar(
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title: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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FriendOnlineStatusIndicator(userStatus: widget.friend.userStatus),
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const SizedBox(width: 8,),
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Text(widget.friend.username),
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if (widget.friend.isHeadless) Padding(
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padding: const EdgeInsets.only(left: 12),
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child: Icon(Icons.dns, size: 18, color: Theme
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.of(context)
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.colorScheme
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.onSecondaryContainer
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.withAlpha(150),),
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),
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],
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),
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scrolledUnderElevation: 0.0,
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backgroundColor: appBarColor,
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),
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body: Column(
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children: [
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if (sessions.isNotEmpty) Container(
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constraints: const BoxConstraints(maxHeight: 64),
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decoration: BoxDecoration(
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color: appBarColor,
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border: const Border(top: BorderSide(width: 1, color: Colors.black26),)
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),
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child: Stack(
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children: [
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ListView.builder(
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controller: _sessionListScrollController,
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scrollDirection: Axis.horizontal,
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itemCount: sessions.length,
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itemBuilder: (context, index) => SessionTile(session: sessions[index]),
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),
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AnimatedOpacity(
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opacity: _shevronOpacity,
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curve: Curves.easeOut,
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duration: const Duration(milliseconds: 200),
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child: Align(
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alignment: Alignment.centerRight,
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child: Container(
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padding: const EdgeInsets.only(left: 16, right: 4, top: 1, bottom: 1),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.centerLeft,
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end: Alignment.centerRight,
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colors: [
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appBarColor.withOpacity(0),
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appBarColor,
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appBarColor,
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],
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),
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),
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height: double.infinity,
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child: const Icon(Icons.chevron_right),
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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: Stack(
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children: [
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Builder(
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builder: (context) {
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if (cache == null) {
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return const Column(
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mainAxisAlignment: MainAxisAlignment.start,
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children: [
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LinearProgressIndicator()
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],
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);
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}
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if (cache.error != null) {
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return DefaultErrorWidget(
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message: cache.error.toString(),
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onRetry: () {
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setState(() {
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mClient.deleteUserMessageCache(widget.friend.id);
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});
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mClient.loadUserMessageCache(widget.friend.id);
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},
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);
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}
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if (cache.messages.isEmpty) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.message_outlined),
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Padding(
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padding: const EdgeInsets.symmetric(vertical: 24),
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child: Text(
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"There are no messages here\nWhy not say hello?",
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textAlign: TextAlign.center,
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style: Theme
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.of(context)
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.textTheme
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.titleMedium,
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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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return ListView.builder(
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controller: _messageScrollController,
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reverse: true,
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itemCount: cache.messages.length,
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itemBuilder: (context, index) {
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final entry = cache.messages[index];
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if (index == cache.messages.length - 1) {
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return Padding(
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padding: const EdgeInsets.only(top: 12),
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child: MessageBubble(message: entry,),
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);
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}
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return MessageBubble(message: entry,);
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},
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);
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},
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),
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Align(
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alignment: Alignment.bottomCenter,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Container(
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decoration: BoxDecoration(
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boxShadow: [
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BoxShadow(
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blurRadius: 8,
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color: Theme
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.of(context)
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.shadowColor,
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offset: const Offset(0, 4),
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),
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],
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color: Theme
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.of(context)
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.colorScheme
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.background,
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),
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child: AnimatedSwitcher(
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duration: const Duration(milliseconds: 200),
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switchInCurve: Curves.easeOut,
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switchOutCurve: Curves.easeOut,
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transitionBuilder: (Widget child, animation) => SizeTransition(sizeFactor: animation, child: child,),
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child: switch ((_attachmentPickerOpen, _loadedFiles)) {
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(true, []) =>
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Row(
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key: const ValueKey("attachment-picker"),
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children: [
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TextButton.icon(
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onPressed: _isSending ? null : () async {
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final result = await FilePicker.platform.pickFiles(type: FileType.image);
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if (result != null && result.files.single.path != null) {
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setState(() {
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_loadedFiles.add(File(result.files.single.path!));
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});
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}
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},
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icon: const Icon(Icons.image),
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label: const Text("Gallery"),
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),
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TextButton.icon(
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onPressed: _isSending ? null : () async {
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final picture = await Navigator.of(context).push(
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MaterialPageRoute(builder: (context) => const MessageCameraView()));
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if (picture != null) {
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setState(() {
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_loadedFiles.add(picture);
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});
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}
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},
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icon: const Icon(Icons.camera_alt),
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label: const Text("Camera"),
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),
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],
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),
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(false, []) => null,
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(_, _) => MessageAttachmentList(
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disabled: _isSending,
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initialFiles: _loadedFiles,
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onChange: (List<File> loadedFiles) => setState(() {
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_loadedFiles.clear();
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_loadedFiles.addAll(loadedFiles);
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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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if (_isSending && _sendProgress != null)
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Align(
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alignment: Alignment.bottomCenter,
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child: LinearProgressIndicator(value: _sendProgress),
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),
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],
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),
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),
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AnimatedContainer(
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decoration: BoxDecoration(
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boxShadow: [
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BoxShadow(
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blurRadius: _showBottomBarShadow && !_attachmentPickerOpen ? 8 : 0,
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color: Theme
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.of(context)
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.shadowColor,
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offset: const Offset(0, 4),
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),
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],
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color: Theme
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.of(context)
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.colorScheme
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.background,
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),
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padding: const EdgeInsets.symmetric(horizontal: 4),
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duration: const Duration(milliseconds: 250),
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child: Row(
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children: [
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AnimatedSwitcher(
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duration: const Duration(milliseconds: 300),
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transitionBuilder: (Widget child, Animation<double> animation) =>
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FadeTransition(
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opacity: animation,
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child: RotationTransition(
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turns: Tween<double>(begin: 0.6, end: 1).animate(animation),
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child: child,
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),
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),
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child: !_attachmentPickerOpen ?
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IconButton(
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key: const ValueKey("add-attachment-icon"),
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onPressed:_isSending ? null : () {
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setState(() {
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_attachmentPickerOpen = true;
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});
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},
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icon: const Icon(Icons.attach_file),
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) :
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IconButton(
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key: const ValueKey("remove-attachment-icon"),
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onPressed: _isSending ? null : () async {
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if (_loadedFiles.isNotEmpty) {
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await showDialog(context: context, builder: (context) => AlertDialog(
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title: const Text("Remove all attachments"),
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content: const Text("This will remove all attachments, are you sure?"),
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actions: [
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TextButton(
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onPressed: () {
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Navigator.of(context).pop();
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},
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child: const Text("No"),
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),
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TextButton(
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onPressed: () {
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setState(() {
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_loadedFiles.clear();
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_attachmentPickerOpen = false;
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});
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Navigator.of(context).pop();
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},
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child: const Text("Yes"),
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)
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],
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));
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} else {
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setState(() {
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_attachmentPickerOpen = false;
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});
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}
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},
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icon: const Icon(Icons.close),
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),
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.all(8),
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child: TextField(
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enabled: cache != null && cache.error == null && !_isSending,
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autocorrect: true,
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controller: _messageTextController,
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maxLines: 4,
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minLines: 1,
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onChanged: (text) {
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if (text.isNotEmpty && !_hasText) {
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setState(() {
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_hasText = true;
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});
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} else if (text.isEmpty && _hasText) {
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setState(() {
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_hasText = false;
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});
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}
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},
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decoration: InputDecoration(
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isDense: true,
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hintText: "Message ${widget.friend
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.username}...",
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hintMaxLines: 1,
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(24)
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)
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),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.only(left: 8, right: 4.0),
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child: AnimatedSwitcher(
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duration: const Duration(milliseconds: 200),
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transitionBuilder: (Widget child, Animation<double> animation) =>
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FadeTransition(opacity: animation, child: RotationTransition(
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turns: Tween<double>(begin: 0.5, end: 1).animate(animation), child: child,),),
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child: _hasText || _loadedFiles.isNotEmpty ? IconButton(
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key: const ValueKey("send-button"),
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splashRadius: 24,
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onPressed: _isSending ? null : () async {
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final sMsgnr = ScaffoldMessenger.of(context);
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final toSend = List.from(_loadedFiles);
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setState(() {
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_isSending = true;
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_sendProgress = 0;
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_attachmentPickerOpen = false;
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_loadedFiles.clear();
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});
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try {
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for (int i = 0; i < toSend.length; i++) {
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final totalProgress = i/toSend.length;
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final file = toSend[i];
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await sendImageMessage(apiClient, mClient, file, ClientHolder
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.of(context)
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.settingsClient
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.currentSettings
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.machineId
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.valueOrDefault,
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(progress) =>
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setState(() {
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_sendProgress = totalProgress + progress * 1/toSend.length;
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}),
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);
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}
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setState(() {
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_sendProgress = null;
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});
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if (_hasText) {
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await sendTextMessage(apiClient, mClient, _messageTextController.text);
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}
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_messageTextController.clear();
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_loadedFiles.clear();
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_attachmentPickerOpen = false;
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} catch (e, s) {
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FlutterError.reportError(FlutterErrorDetails(exception: e, stack: s));
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sMsgnr.showSnackBar(SnackBar(content: Text("Failed to send a message: $e")));
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}
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setState(() {
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_isSending = false;
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_sendProgress = null;
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});
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},
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iconSize: 28,
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icon: const Icon(Icons.send),
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) : IconButton(
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key: const ValueKey("mic-button"),
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splashRadius: 24,
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onPressed: _isSending ? null : () async {
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// TODO: Implement voice message recording
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},
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iconSize: 28,
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icon: const Icon(Icons.mic_outlined),
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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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