675 lines
27 KiB
Dart
675 lines
27 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/dialogs/simple_dialogs.dart';
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import 'package:fluffychat/components/encryption_button.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/components/reply_content.dart';
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import 'package:fluffychat/i18n/i18n.dart';
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import 'package:fluffychat/utils/event_extension.dart';
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import 'package:fluffychat/utils/room_extension.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/services.dart';
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import 'package:flutter_svg/flutter_svg.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 'package:pedantic/pedantic.dart';
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import 'chat_list.dart';
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class ChatView extends StatelessWidget {
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final String id;
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const ChatView(this.id, {Key key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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// TODO: implement build
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return AdaptivePageLayout(
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primaryPage: FocusPage.SECOND,
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firstScaffold: ChatList(
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activeChat: id,
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),
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secondScaffold: _Chat(id),
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);
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}
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}
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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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FocusNode inputFocus = FocusNode();
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Timer typingCoolDown;
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Timer typingTimeout;
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bool currentlyTyping = false;
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Set<Event> selectedEvents = {};
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Event replyEvent;
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bool showScrollDownButton = false;
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bool get selectMode => selectedEvents.isNotEmpty;
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bool _loadingHistory = false;
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final int _loadHistoryCount = 100;
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String inputText = "";
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void requestHistory() async {
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if (timeline.events.last.type != EventTypes.RoomCreate) {
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setState(() => this._loadingHistory = true);
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await timeline.requestHistory(historyCount: _loadHistoryCount);
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setState(() => this._loadingHistory = false);
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}
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}
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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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requestHistory();
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}
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if (_scrollController.position.pixels > 0 &&
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showScrollDownButton == false) {
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setState(() => showScrollDownButton = true);
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} else if (_scrollController.position.pixels == 0 &&
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showScrollDownButton == true) {
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setState(() => showScrollDownButton = false);
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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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if (!mounted) return;
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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 = I18n.of(context)
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.seenByUser(lastReceipts.first.user.calcDisplayname());
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} else if (lastReceipts.length == 2) {
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seenByText = seenByText = I18n.of(context).seenByUserAndUser(
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lastReceipts.first.user.calcDisplayname(),
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lastReceipts[1].user.calcDisplayname());
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} else if (lastReceipts.length > 2) {
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seenByText = I18n.of(context).seenByUserAndCountOthers(
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lastReceipts.first.user.calcDisplayname(),
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(lastReceipts.length - 1).toString());
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}
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}
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if (timeline != null) {
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setState(() {
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this.seenByText = seenByText;
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});
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}
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}
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Future<bool> getTimeline() async {
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if (timeline == null) {
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timeline = await room.getTimeline(onUpdate: updateView);
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if (timeline.events.isNotEmpty) {
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unawaited(room.sendReadReceipt(timeline.events.first.eventId));
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}
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if (timeline.events.length < _loadHistoryCount) {
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this.requestHistory();
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}
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}
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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?.cancelSubscriptions();
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timeline = null;
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matrix.activeRoomId = "";
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super.dispose();
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}
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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, inReplyTo: replyEvent);
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sendController.text = "";
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if (replyEvent != null) {
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setState(() => replyEvent = null);
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}
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setState(() => inputText = "");
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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(I18n.of(context).notSupportedInWeb, 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(I18n.of(context).notSupportedInWeb, 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(I18n.of(context).notSupportedInWeb, 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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String _getSelectedEventString(BuildContext context) {
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String copyString = "";
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for (Event event in selectedEvents) {
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if (copyString.isNotEmpty) copyString += "\n\n";
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copyString += event.getLocalizedBody(context, withSenderNamePrefix: true);
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}
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return copyString;
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}
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void copyEventsAction(BuildContext context) {
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Clipboard.setData(ClipboardData(text: _getSelectedEventString(context)));
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setState(() => selectedEvents.clear());
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}
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void redactEventsAction(BuildContext context) async {
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bool confirmed = await SimpleDialogs(context).askConfirmation(
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titleText: I18n.of(context).messageWillBeRemovedWarning,
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confirmText: I18n.of(context).remove,
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);
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if (!confirmed) return;
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for (Event event in selectedEvents) {
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await Matrix.of(context).tryRequestWithLoadingDialog(
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event.status > 0 ? event.redact() : event.remove());
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}
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setState(() => selectedEvents.clear());
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}
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bool get canRedactSelectedEvents {
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for (Event event in selectedEvents) {
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if (event.canRedact == false) return false;
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}
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return true;
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}
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void forwardEventsAction(BuildContext context) async {
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if (selectedEvents.length == 1) {
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Matrix.of(context).shareContent = selectedEvents.first.content;
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} else {
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Matrix.of(context).shareContent = {
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"msgtype": "m.text",
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"body": _getSelectedEventString(context),
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};
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}
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setState(() => selectedEvents.clear());
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Navigator.of(context).popUntil((r) => r.isFirst);
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}
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void sendAgainAction() {
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selectedEvents.first.sendAgain();
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setState(() => selectedEvents.clear());
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}
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void replyAction() {
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setState(() {
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replyEvent = selectedEvents.first;
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selectedEvents.clear();
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});
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inputFocus.requestFocus();
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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 Scaffold(
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appBar: AppBar(
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title: Text(I18n.of(context).oopsSomethingWentWrong),
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),
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body: Center(
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child: Text(I18n.of(context).youAreNoLongerParticipatingInThisChat),
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),
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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 = I18n.of(context).isTyping;
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if (typingUsers.first.id != room.directChatMatrixID) {
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typingText =
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I18n.of(context).userIsTyping(typingUsers.first.calcDisplayname());
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}
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} else if (typingUsers.length == 2) {
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typingText = I18n.of(context).userAndUserAreTyping(
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typingUsers.first.calcDisplayname(),
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typingUsers[1].calcDisplayname());
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} else if (typingUsers.length > 2) {
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typingText = I18n.of(context).userAndOthersAreTyping(
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typingUsers.first.calcDisplayname(),
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(typingUsers.length - 1).toString());
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}
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return Scaffold(
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appBar: AppBar(
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leading: selectMode
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? IconButton(
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icon: Icon(Icons.close),
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onPressed: () => setState(() => selectedEvents.clear()),
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)
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: null,
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title: selectedEvents.isEmpty
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? 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(room.getLocalizedDisplayname(context)),
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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,
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size: 13),
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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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fontSize: 16,
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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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: Text(I18n.of(context)
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.numberSelected(selectedEvents.length.toString())),
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actions: selectMode
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? <Widget>[
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IconButton(
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icon: Icon(Icons.content_copy),
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onPressed: () => copyEventsAction(context),
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),
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if (canRedactSelectedEvents)
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IconButton(
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icon: Icon(Icons.delete),
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onPressed: () => redactEventsAction(context),
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),
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]
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: <Widget>[ChatSettingsPopupMenu(room, !room.isDirectChat)],
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),
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floatingActionButton: showScrollDownButton
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? Padding(
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padding: const EdgeInsets.only(bottom: 56.0),
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child: FloatingActionButton(
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child: Icon(Icons.arrow_downward,
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color: Theme.of(context).primaryColor),
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onPressed: () => _scrollController.jumpTo(0),
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foregroundColor: Theme.of(context).textTheme.body1.color,
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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mini: true,
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),
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)
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: null,
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body: Stack(
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children: <Widget>[
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if (!kIsWeb)
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SvgPicture.asset(
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"assets/chat.svg",
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height: double.infinity,
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color: Theme.of(context).primaryColor.withOpacity(0.2),
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),
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SafeArea(
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child: Column(
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children: <Widget>[
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if (_loadingHistory) LinearProgressIndicator(),
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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.first.eventId);
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}
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if (timeline.events.isEmpty) return Container();
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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) {
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return i == 0
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? AnimatedContainer(
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height: seenByText.isEmpty ? 0 : 24,
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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.topRight
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: Alignment.topLeft,
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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.only(
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left: 8,
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right: 8,
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bottom: 8,
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),
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)
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: Message(timeline.events[i - 1],
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onSelect: (Event event) => event.redacted
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? null
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: selectedEvents.contains(event)
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? setState(() =>
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selectedEvents.remove(event))
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: setState(() =>
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selectedEvents.add(event)),
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longPressSelect: selectedEvents.isEmpty,
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selected: selectedEvents
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.contains(timeline.events[i - 1]),
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timeline: timeline,
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nextEvent:
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i >= 2 ? timeline.events[i - 2] : null);
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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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duration: Duration(milliseconds: 300),
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height: replyEvent != null ? 56 : 0,
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child: Material(
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color: Theme.of(context).secondaryHeaderColor,
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child: Row(
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children: <Widget>[
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IconButton(
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icon: Icon(Icons.close),
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onPressed: () => setState(() => replyEvent = null),
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),
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Expanded(
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child: ReplyContent(replyEvent),
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),
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],
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),
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),
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),
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room.canSendDefaultMessages &&
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room.membership == Membership.join
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? Container(
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decoration: BoxDecoration(
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color: Theme.of(context).backgroundColor,
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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:
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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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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: selectMode
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? <Widget>[
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Container(
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height: 56,
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child: FlatButton(
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onPressed: () =>
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forwardEventsAction(context),
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child: Row(
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children: <Widget>[
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Icon(Icons.keyboard_arrow_left),
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Text(I18n.of(context).forward),
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],
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),
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),
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),
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selectedEvents.length == 1
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? selectedEvents.first.status > 0
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? Container(
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height: 56,
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child: FlatButton(
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onPressed: () => replyAction(),
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child: Row(
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children: <Widget>[
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Text(
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I18n.of(context).reply),
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Icon(Icons
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.keyboard_arrow_right),
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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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height: 56,
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child: FlatButton(
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onPressed: () =>
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sendAgainAction(),
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child: Row(
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children: <Widget>[
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Text(I18n.of(context)
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.tryToSendAgain),
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SizedBox(width: 4),
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Icon(Icons.send, size: 16),
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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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: <Widget>[
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if (!kIsWeb && inputText.isEmpty)
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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") {
|
|
sendImageAction(context);
|
|
}
|
|
if (choice == "camera") {
|
|
openCameraAction(context);
|
|
}
|
|
},
|
|
itemBuilder: (BuildContext context) =>
|
|
<PopupMenuEntry<String>>[
|
|
PopupMenuItem<String>(
|
|
value: "file",
|
|
child: ListTile(
|
|
leading: CircleAvatar(
|
|
backgroundColor: Colors.green,
|
|
foregroundColor: Colors.white,
|
|
child: Icon(Icons.attachment),
|
|
),
|
|
title:
|
|
Text(I18n.of(context).sendFile),
|
|
contentPadding: EdgeInsets.all(0),
|
|
),
|
|
),
|
|
PopupMenuItem<String>(
|
|
value: "image",
|
|
child: ListTile(
|
|
leading: CircleAvatar(
|
|
backgroundColor: Colors.blue,
|
|
foregroundColor: Colors.white,
|
|
child: Icon(Icons.image),
|
|
),
|
|
title: Text(
|
|
I18n.of(context).sendImage),
|
|
contentPadding: EdgeInsets.all(0),
|
|
),
|
|
),
|
|
PopupMenuItem<String>(
|
|
value: "camera",
|
|
child: ListTile(
|
|
leading: CircleAvatar(
|
|
backgroundColor: Colors.purple,
|
|
foregroundColor: Colors.white,
|
|
child: Icon(Icons.camera_alt),
|
|
),
|
|
title: Text(
|
|
I18n.of(context).openCamera),
|
|
contentPadding: EdgeInsets.all(0),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
EncryptionButton(room),
|
|
Expanded(
|
|
child: Padding(
|
|
padding: const EdgeInsets.symmetric(
|
|
vertical: 4.0),
|
|
child: TextField(
|
|
minLines: 1,
|
|
maxLines: kIsWeb ? 1 : 8,
|
|
keyboardType: kIsWeb
|
|
? TextInputType.text
|
|
: TextInputType.multiline,
|
|
onSubmitted: (String text) {
|
|
send();
|
|
FocusScope.of(context)
|
|
.requestFocus(inputFocus);
|
|
},
|
|
focusNode: inputFocus,
|
|
controller: sendController,
|
|
decoration: InputDecoration(
|
|
hintText:
|
|
I18n.of(context).writeAMessage,
|
|
border: InputBorder.none,
|
|
),
|
|
onChanged: (String text) {
|
|
this.typingCoolDown?.cancel();
|
|
this.typingCoolDown =
|
|
Timer(Duration(seconds: 2), () {
|
|
this.typingCoolDown = null;
|
|
this.currentlyTyping = false;
|
|
room.sendTypingInfo(false);
|
|
});
|
|
this.typingTimeout ??=
|
|
Timer(Duration(seconds: 30), () {
|
|
this.typingTimeout = null;
|
|
this.currentlyTyping = false;
|
|
});
|
|
if (!this.currentlyTyping) {
|
|
this.currentlyTyping = true;
|
|
room.sendTypingInfo(true,
|
|
timeout: Duration(seconds: 30)
|
|
.inMilliseconds);
|
|
}
|
|
setState(() => inputText = text);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
IconButton(
|
|
icon: Icon(Icons.send),
|
|
onPressed: () => send(),
|
|
),
|
|
],
|
|
),
|
|
)
|
|
: Container(),
|
|
],
|
|
),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
}
|
|
}
|