372 lines
14 KiB
Dart
372 lines
14 KiB
Dart
import 'dart:async';
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import 'dart:io';
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import 'package:famedlysdk/famedlysdk.dart';
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import 'package:file_picker/file_picker.dart';
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import 'package:fluffychat/components/adaptive_page_layout.dart';
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import 'package:fluffychat/components/chat_settings_popup_menu.dart';
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import 'package:fluffychat/components/list_items/message.dart';
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import 'package:fluffychat/components/matrix.dart';
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import 'package:fluffychat/utils/room_name_calculator.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:image_picker/image_picker.dart';
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import 'package:toast/toast.dart';
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import 'chat_list.dart';
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class Chat extends StatefulWidget {
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final String id;
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const Chat(this.id, {Key key}) : super(key: key);
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@override
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_ChatState createState() => _ChatState();
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}
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class _ChatState extends State<Chat> {
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Room room;
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Timeline timeline;
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MatrixState matrix;
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String seenByText = "";
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final ScrollController _scrollController = ScrollController();
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Timer typingCoolDown;
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Timer typingTimeout;
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bool currentlyTyping = false;
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@override
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void initState() {
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_scrollController.addListener(() async {
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if (_scrollController.position.pixels ==
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_scrollController.position.maxScrollExtent &&
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timeline.events.isNotEmpty &&
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timeline.events[timeline.events.length - 1].type !=
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EventTypes.RoomCreate) {
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await timeline.requestHistory(historyCount: 100);
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}
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});
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super.initState();
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}
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void updateView() {
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String seenByText = "";
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if (timeline.events.isNotEmpty) {
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List lastReceipts = List.from(timeline.events.first.receipts);
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lastReceipts.removeWhere((r) =>
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r.user.id == room.client.userID ||
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r.user.id == timeline.events.first.senderId);
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if (lastReceipts.length == 1) {
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seenByText = "Seen by ${lastReceipts.first.user.calcDisplayname()}";
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} else if (lastReceipts.length == 2) {
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seenByText =
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"Seen by ${lastReceipts.first.user.calcDisplayname()} and ${lastReceipts[1].user.calcDisplayname()}";
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} else if (lastReceipts.length > 2) {
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seenByText =
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"Seen by ${lastReceipts.first.user.calcDisplayname()} and ${lastReceipts.length - 1} others";
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}
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}
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setState(() {
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this.seenByText = seenByText;
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});
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}
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Future<bool> getTimeline() async {
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timeline ??= await room.getTimeline(onUpdate: updateView);
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updateView();
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return true;
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}
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@override
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void dispose() {
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timeline?.sub?.cancel();
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matrix.activeRoomId = "";
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super.dispose();
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}
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final TextEditingController sendController = TextEditingController();
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void send() {
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if (sendController.text.isEmpty) return;
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room.sendTextEvent(sendController.text);
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sendController.text = "";
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}
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void sendFileAction(BuildContext context) async {
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if (kIsWeb) {
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return Toast.show("Not supported in web", context);
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}
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File file = await FilePicker.getFile();
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if (file == null) return;
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await matrix.tryRequestWithLoadingDialog(
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room.sendFileEvent(
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MatrixFile(bytes: await file.readAsBytes(), path: file.path),
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),
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);
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}
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void sendImageAction(BuildContext context) async {
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if (kIsWeb) {
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return Toast.show("Not supported in web", context);
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}
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File file = await ImagePicker.pickImage(
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source: ImageSource.gallery,
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imageQuality: 50,
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maxWidth: 1600,
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maxHeight: 1600);
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if (file == null) return;
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await matrix.tryRequestWithLoadingDialog(
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room.sendImageEvent(
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MatrixFile(bytes: await file.readAsBytes(), path: file.path),
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),
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);
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}
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void openCameraAction(BuildContext context) async {
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if (kIsWeb) {
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return Toast.show("Not supported in web", context);
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}
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File file = await ImagePicker.pickImage(
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source: ImageSource.camera,
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imageQuality: 50,
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maxWidth: 1600,
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maxHeight: 1600);
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if (file == null) return;
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await matrix.tryRequestWithLoadingDialog(
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room.sendImageEvent(
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MatrixFile(bytes: await file.readAsBytes(), path: file.path),
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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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matrix = Matrix.of(context);
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Client client = matrix.client;
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room ??= client.getRoomById(widget.id);
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if (room == null) {
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return Center(
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child: Text("You are no longer participating in this chat"),
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);
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}
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matrix.activeRoomId = widget.id;
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if (room.membership == Membership.invite) {
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matrix.tryRequestWithLoadingDialog(room.join());
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}
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String typingText = "";
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List<User> typingUsers = room.typingUsers;
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typingUsers.removeWhere((User u) => u.id == client.userID);
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if (typingUsers.length == 1) {
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typingText = "${typingUsers.first.calcDisplayname()} is typing...";
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} else if (typingUsers.length == 2) {
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typingText =
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"${typingUsers.first.calcDisplayname()} and ${typingUsers[1].calcDisplayname()} are typing...";
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} else if (typingUsers.length > 2) {
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typingText =
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"${typingUsers.first.calcDisplayname()} and ${typingUsers.length - 1} others are typing...";
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}
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return AdaptivePageLayout(
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primaryPage: FocusPage.SECOND,
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firstScaffold: ChatList(
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activeChat: widget.id,
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),
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secondScaffold: Scaffold(
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appBar: AppBar(
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title: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: <Widget>[
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Text(RoomNameCalculator(room).name),
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AnimatedContainer(
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duration: Duration(milliseconds: 500),
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height: typingText.isEmpty ? 0 : 20,
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child: Row(
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children: <Widget>[
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typingText.isEmpty
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? Container()
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: Icon(Icons.edit,
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color: Theme.of(context).primaryColor, size: 10),
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SizedBox(width: 4),
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Text(
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typingText,
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style: TextStyle(
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color: Theme.of(context).primaryColor,
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fontStyle: FontStyle.italic,
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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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actions: <Widget>[ChatSettingsPopupMenu(room, !room.isDirectChat)],
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),
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body: SafeArea(
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child: Column(
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children: <Widget>[
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Expanded(
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child: FutureBuilder<bool>(
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future: getTimeline(),
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builder: (BuildContext context, snapshot) {
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if (!snapshot.hasData) {
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return Center(
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child: CircularProgressIndicator(),
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);
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}
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if (room.notificationCount != null &&
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room.notificationCount > 0 &&
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timeline != null &&
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timeline.events.isNotEmpty) {
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room.sendReadReceipt(timeline.events[0].eventId);
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}
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return ListView.builder(
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reverse: true,
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itemCount: timeline.events.length + 1,
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controller: _scrollController,
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itemBuilder: (BuildContext context, int i) => i == 0
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? AnimatedContainer(
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height: seenByText.isEmpty ? 0 : 36,
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duration: seenByText.isEmpty
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? Duration(milliseconds: 0)
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: Duration(milliseconds: 500),
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alignment: timeline.events.first.senderId ==
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client.userID
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? Alignment.centerRight
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: Alignment.centerLeft,
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child: Text(
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seenByText,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(
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color: Theme.of(context).primaryColor,
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),
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),
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padding: EdgeInsets.all(8),
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)
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: Message(timeline.events[i - 1]),
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);
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},
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),
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),
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room.canSendDefaultMessages && room.membership == Membership.join
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? Container(
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decoration: BoxDecoration(
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color: Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.grey.withOpacity(0.2),
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spreadRadius: 1,
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blurRadius: 2,
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offset: Offset(0, -1), // changes position of shadow
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),
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],
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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kIsWeb
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? Container()
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: PopupMenuButton<String>(
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icon: Icon(Icons.add),
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onSelected: (String choice) async {
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if (choice == "file") {
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sendFileAction(context);
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} else if (choice == "image") {
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sendImageAction(context);
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}
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if (choice == "camera") {
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openCameraAction(context);
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}
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},
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itemBuilder: (BuildContext context) =>
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<PopupMenuEntry<String>>[
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const PopupMenuItem<String>(
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value: "file",
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child: ListTile(
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leading: Icon(Icons.attach_file),
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title: Text('Send file'),
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contentPadding: EdgeInsets.all(0),
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),
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),
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const PopupMenuItem<String>(
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value: "image",
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child: ListTile(
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leading: Icon(Icons.image),
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title: Text('Send image'),
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contentPadding: EdgeInsets.all(0),
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),
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),
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const PopupMenuItem<String>(
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value: "camera",
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child: ListTile(
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leading: Icon(Icons.camera),
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title: Text('Open camera'),
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contentPadding: EdgeInsets.all(0),
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),
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),
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],
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),
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SizedBox(width: 8),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 8.0),
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child: TextField(
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minLines: 1,
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maxLines: kIsWeb ? 1 : null,
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keyboardType: kIsWeb
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? TextInputType.text
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: TextInputType.multiline,
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onSubmitted: (t) => send(),
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controller: sendController,
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decoration: InputDecoration(
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hintText: "Write a message...",
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border: InputBorder.none,
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),
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onChanged: (String text) {
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this.typingCoolDown?.cancel();
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this.typingCoolDown =
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Timer(Duration(seconds: 2), () {
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this.typingCoolDown = null;
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this.currentlyTyping = false;
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room.sendTypingInfo(false);
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});
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this.typingTimeout ??=
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Timer(Duration(seconds: 30), () {
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this.typingTimeout = null;
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this.currentlyTyping = false;
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});
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if (!this.currentlyTyping) {
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this.currentlyTyping = true;
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room.sendTypingInfo(true,
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timeout:
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Duration(seconds: 30).inMilliseconds);
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}
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},
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),
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)),
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SizedBox(width: 8),
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IconButton(
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icon: Icon(Icons.send),
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onPressed: () => send(),
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),
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],
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),
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)
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: Container(),
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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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