import 'dart:async'; import 'dart:io'; import 'dart:math'; import 'package:adaptive_dialog/adaptive_dialog.dart'; import 'package:adaptive_page_layout/adaptive_page_layout.dart'; import 'package:emoji_picker/emoji_picker.dart'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:file_picker_cross/file_picker_cross.dart'; import 'package:fluffychat/app_config.dart'; import 'package:fluffychat/components/avatar.dart'; import 'package:fluffychat/components/chat_settings_popup_menu.dart'; import 'package:fluffychat/components/connection_status_header.dart'; import 'package:fluffychat/components/dialogs/recording_dialog.dart'; import 'package:fluffychat/config/themes.dart'; import 'package:flushbar/flushbar_helper.dart'; import 'package:future_loading_dialog/future_loading_dialog.dart'; import 'package:fluffychat/components/encryption_button.dart'; import 'package:fluffychat/components/list_items/message.dart'; import 'package:fluffychat/components/matrix.dart'; import 'package:fluffychat/components/reply_content.dart'; import 'package:fluffychat/components/user_bottom_sheet.dart'; import 'package:fluffychat/config/app_emojis.dart'; import 'package:fluffychat/utils/matrix_locals.dart'; import 'package:fluffychat/utils/platform_infos.dart'; import 'package:fluffychat/utils/room_status_extension.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:flutter/scheduler.dart'; import 'package:flutter/services.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import 'package:image_picker/image_picker.dart'; import 'package:pedantic/pedantic.dart'; import 'package:scroll_to_index/scroll_to_index.dart'; import 'package:swipe_to_action/swipe_to_action.dart'; import 'package:shared_preferences/shared_preferences.dart'; import 'package:url_launcher/url_launcher.dart'; import '../components/dialogs/send_file_dialog.dart'; import '../components/input_bar.dart'; import '../utils/filtered_timeline_extension.dart'; import '../utils/matrix_file_extension.dart'; class Chat extends StatefulWidget { final String id; final String scrollToEventId; Chat(this.id, {Key key, this.scrollToEventId}) : super(key: key ?? Key('chatroom-$id')); @override _ChatState createState() => _ChatState(); } class _ChatState extends State { Room room; Timeline timeline; MatrixState matrix; String seenByText = ''; final AutoScrollController _scrollController = AutoScrollController(); FocusNode inputFocus = FocusNode(); Timer typingCoolDown; Timer typingTimeout; bool currentlyTyping = false; List selectedEvents = []; List filteredEvents; bool _collapseRoomCreate = true; Event replyEvent; Event editEvent; bool showScrollDownButton = false; bool get selectMode => selectedEvents.isNotEmpty; final int _loadHistoryCount = 100; String inputText = ''; String pendingText = ''; bool get _canLoadMore => timeline.events.last.type != EventTypes.RoomCreate; void startCallAction(BuildContext context) async { final url = '${AppConfig.jitsiInstance}${Uri.encodeComponent(Matrix.of(context).client.generateUniqueTransactionId())}'; final success = await showFutureLoadingDialog( context: context, future: () => room.sendEvent({ 'msgtype': Matrix.callNamespace, 'body': url, })); if (success.error != null) return; await launch(url); } void requestHistory() async { if (_canLoadMore) { try { await timeline.requestHistory(historyCount: _loadHistoryCount); } catch (err) { await FlushbarHelper.createError( message: err.toLocalizedString(context)) .show(context); } } } void _updateScrollController() { if (!mounted) { return; } if (_scrollController.position.pixels == _scrollController.position.maxScrollExtent && timeline.events.isNotEmpty && timeline.events[timeline.events.length - 1].type != EventTypes.RoomCreate) { requestHistory(); } if (_scrollController.position.pixels > 0 && showScrollDownButton == false) { setState(() => showScrollDownButton = true); } else if (_scrollController.position.pixels == 0 && showScrollDownButton == true) { setState(() => showScrollDownButton = false); } } @override void initState() { _scrollController.addListener(_updateScrollController); super.initState(); } void updateView() { if (!mounted) return; setState( () { filteredEvents = timeline.getFilteredEvents(collapseRoomCreate: _collapseRoomCreate); seenByText = room.getLocalizedSeenByText(context, timeline, filteredEvents); }, ); } Future getTimeline(BuildContext context) async { if (timeline == null) { timeline = await room.getTimeline(onUpdate: updateView); if (timeline.events.isNotEmpty) { unawaited(room.setUnread(false).catchError((err) { if (err is MatrixException && err.errcode == 'M_FORBIDDEN') { // ignore if the user is not in the room (still joining) return; } throw err; })); } // when the scroll controller is attached we want to scroll to an event id, if specified // and update the scroll controller...which will trigger a request history, if the // "load more" button is visible on the screen SchedulerBinding.instance.addPostFrameCallback((_) async { if (mounted) { if (widget.scrollToEventId != null) { _scrollToEventId(widget.scrollToEventId, context: context); } _updateScrollController(); } }); } updateView(); return true; } @override void dispose() { timeline?.cancelSubscriptions(); timeline = null; matrix.activeRoomId = ''; super.dispose(); } TextEditingController sendController = TextEditingController(); void send() { if (sendController.text.isEmpty) return; room.sendTextEvent(sendController.text, inReplyTo: replyEvent, editEventId: editEvent?.eventId); sendController.text = pendingText; setState(() { inputText = pendingText; replyEvent = null; editEvent = null; pendingText = ''; }); } void sendFileAction(BuildContext context) async { final result = await FilePickerCross.importFromStorage(type: FileTypeCross.any); if (result == null) return; await showDialog( context: context, builder: (context) => SendFileDialog( file: MatrixFile( bytes: result.toUint8List(), name: result.fileName, ).detectFileType, room: room, ), ); } void sendImageAction(BuildContext context) async { final result = await FilePickerCross.importFromStorage(type: FileTypeCross.image); if (result == null) return; await showDialog( context: context, builder: (context) => SendFileDialog( file: MatrixImageFile( bytes: result.toUint8List(), name: result.fileName, ), room: room, ), ); } void openCameraAction(BuildContext context) async { var file = await ImagePicker().getImage(source: ImageSource.camera); if (file == null) return; final bytes = await file.readAsBytes(); await showDialog( context: context, builder: (context) => SendFileDialog( file: MatrixImageFile( bytes: bytes, name: file.path, ), room: room, ), ); } void voiceMessageAction(BuildContext context) async { String result; await showDialog( context: context, builder: (context) => RecordingDialog( onFinished: (r) => result = r, )); if (result == null) return; final audioFile = File(result); // as we already explicitly say send in the recording dialog, // we do not need the send file dialog anymore. We can just send this straight away. await showFutureLoadingDialog( context: context, future: () => room.sendFileEvent( MatrixAudioFile( bytes: audioFile.readAsBytesSync(), name: audioFile.path), ), ); } String _getSelectedEventString(BuildContext context) { var copyString = ''; if (selectedEvents.length == 1) { return selectedEvents.first .getDisplayEvent(timeline) .getLocalizedBody(MatrixLocals(L10n.of(context))); } for (var event in selectedEvents) { if (copyString.isNotEmpty) copyString += '\n\n'; copyString += event.getDisplayEvent(timeline).getLocalizedBody( MatrixLocals(L10n.of(context)), withSenderNamePrefix: true); } return copyString; } void copyEventsAction(BuildContext context) { Clipboard.setData(ClipboardData(text: _getSelectedEventString(context))); setState(() => selectedEvents.clear()); } void redactEventsAction(BuildContext context) async { var confirmed = await showOkCancelAlertDialog( context: context, title: L10n.of(context).messageWillBeRemovedWarning, okLabel: L10n.of(context).remove, ) == OkCancelResult.ok; if (!confirmed) return; for (var event in selectedEvents) { await showFutureLoadingDialog( context: context, future: () => event.status > 0 ? event.redact() : event.remove()); } setState(() => selectedEvents.clear()); } bool get canRedactSelectedEvents { for (var event in selectedEvents) { if (event.canRedact == false) return false; } return true; } void forwardEventsAction(BuildContext context) async { if (selectedEvents.length == 1) { Matrix.of(context).shareContent = selectedEvents.first.content; } else { Matrix.of(context).shareContent = { 'msgtype': 'm.text', 'body': _getSelectedEventString(context), }; } setState(() => selectedEvents.clear()); AdaptivePageLayout.of(context).popUntilIsFirst(); } void sendAgainAction(Timeline timeline) { final event = selectedEvents.first; if (event.status == -1) { event.sendAgain(); } final allEditEvents = event .aggregatedEvents(timeline, RelationshipTypes.Edit) .where((e) => e.status == -1); for (final e in allEditEvents) { e.sendAgain(); } setState(() => selectedEvents.clear()); } void replyAction({Event replyTo}) { setState(() { replyEvent = replyTo ?? selectedEvents.first; selectedEvents.clear(); }); inputFocus.requestFocus(); } void _scrollToEventId(String eventId, {BuildContext context}) async { var eventIndex = filteredEvents.indexWhere((e) => e.eventId == eventId); if (eventIndex == -1) { // event id not found...maybe we can fetch it? // the try...finally is here to start and close the loading dialog reliably final task = Future.microtask(() async { // okay, we first have to fetch if the event is in the room try { final event = await timeline.getEventById(eventId); if (event == null) { // event is null...meaning something is off return; } } catch (err) { if (err is MatrixException && err.errcode == 'M_NOT_FOUND') { // event wasn't found, as the server gave a 404 or something return; } rethrow; } // okay, we know that the event *is* in the room while (eventIndex == -1) { if (!_canLoadMore) { // we can't load any more events but still haven't found ours yet...better stop here return; } try { await timeline.requestHistory(historyCount: _loadHistoryCount); } catch (err) { if (err is TimeoutException) { // loading the history timed out...so let's do nothing return; } rethrow; } eventIndex = filteredEvents.indexWhere((e) => e.eventId == eventId); } }); if (context != null) { await showFutureLoadingDialog(context: context, future: () => task); } else { await task; } } if (!mounted) { return; } await _scrollController.scrollToIndex(eventIndex, preferPosition: AutoScrollPosition.middle); _updateScrollController(); } void _pickEmojiAction( BuildContext context, Iterable allReactionEvents) async { final emoji = await showModalBottomSheet( context: context, backgroundColor: Colors.transparent, builder: (context) => Column( children: [ Spacer(), EmojiPicker( onEmojiSelected: (emoji, category) { // recent emojis don't work, so we sadly have to re-implement them // https://github.com/JeffG05/emoji_picker/issues/31 SharedPreferences.getInstance().then((prefs) { final recents = prefs.getStringList('recents') ?? []; recents.insert(0, emoji.name); // make sure we remove duplicates prefs.setStringList('recents', recents.toSet().toList()); }); Navigator.of(context).pop(emoji); }, ), ], ), ); if (emoji == null) return; // make sure we don't send the same emoji twice if (allReactionEvents .any((e) => e.content['m.relates_to']['key'] == emoji.emoji)) return; return _sendEmojiAction(context, emoji.emoji); } void _sendEmojiAction(BuildContext context, String emoji) async { await showFutureLoadingDialog( context: context, future: () => room.sendReaction( selectedEvents.single.eventId, emoji, ), ); setState(() => selectedEvents.clear()); } @override Widget build(BuildContext context) { matrix = Matrix.of(context); var client = matrix.client; room ??= client.getRoomById(widget.id); if (room == null) { return Scaffold( appBar: AppBar( title: Text(L10n.of(context).oopsSomethingWentWrong), ), body: Center( child: Text(L10n.of(context).youAreNoLongerParticipatingInThisChat), ), ); } matrix.activeRoomId = widget.id; if (room.membership == Membership.invite) { showFutureLoadingDialog(context: context, future: () => room.join()); } final typingText = room.getLocalizedTypingText(context); return Scaffold( appBar: AppBar( leading: selectMode ? IconButton( icon: Icon(Icons.close), onPressed: () => setState(() => selectedEvents.clear()), ) : null, titleSpacing: AdaptivePageLayout.of(context).columnMode(context) ? null : 0, title: selectedEvents.isEmpty ? StreamBuilder( stream: room.onUpdate.stream, builder: (context, snapshot) => ListTile( leading: Avatar(room.avatar, room.displayname), contentPadding: EdgeInsets.zero, onTap: room.isDirectChat ? () => showModalBottomSheet( context: context, builder: (context) => UserBottomSheet( user: room.getUserByMXIDSync( room.directChatMatrixID), onMention: () => sendController.text += '${room.directChatMatrixID} ', ), ) : () => AdaptivePageLayout.of(context) .viewDataStack .length < 3 ? AdaptivePageLayout.of(context) .pushNamed('/rooms/${room.id}/details') : null, title: Text( room.getLocalizedDisplayname( MatrixLocals(L10n.of(context))), maxLines: 1), subtitle: typingText.isEmpty ? StreamBuilder( stream: Matrix.of(context) .client .onPresence .stream .where((p) => p.senderId == room.directChatMatrixID), builder: (context, snapshot) => Text( room.getLocalizedStatus(context), maxLines: 1, )) : Row( children: [ Icon(Icons.edit_outlined, color: Theme.of(context).primaryColor, size: 13), SizedBox(width: 4), Text( typingText, maxLines: 1, style: TextStyle( color: Theme.of(context).primaryColor, fontStyle: FontStyle.italic, fontSize: 16, ), ), ], ), )) : Text(L10n.of(context) .numberSelected(selectedEvents.length.toString())), actions: selectMode ? [ if (selectedEvents.length == 1 && selectedEvents.first.status > 0 && selectedEvents.first.senderId == client.userID) IconButton( icon: Icon(Icons.edit_outlined), onPressed: () { setState(() { pendingText = sendController.text; editEvent = selectedEvents.first; inputText = sendController.text = editEvent .getDisplayEvent(timeline) .getLocalizedBody(MatrixLocals(L10n.of(context)), withSenderNamePrefix: false, hideReply: true); selectedEvents.clear(); }); inputFocus.requestFocus(); }, ), IconButton( icon: Icon(Icons.content_copy_outlined), onPressed: () => copyEventsAction(context), ), if (canRedactSelectedEvents) IconButton( icon: Icon(Icons.delete_outlined), onPressed: () => redactEventsAction(context), ), ] : [ IconButton( icon: Icon(Icons.call_outlined), onPressed: () => startCallAction(context), ), ChatSettingsPopupMenu(room, !room.isDirectChat), ], ), floatingActionButton: showScrollDownButton ? Padding( padding: const EdgeInsets.only(bottom: 56.0), child: FloatingActionButton( child: Icon(Icons.arrow_downward_outlined, color: Theme.of(context).primaryColor), onPressed: () => _scrollController.jumpTo(0), foregroundColor: Theme.of(context).textTheme.bodyText2.color, backgroundColor: Theme.of(context).scaffoldBackgroundColor, mini: true, ), ) : null, body: Stack( children: [ if (Matrix.of(context).wallpaper != null) Image.file( Matrix.of(context).wallpaper, height: double.infinity, width: double.infinity, fit: BoxFit.cover, ), SafeArea( child: Column( children: [ ConnectionStatusHeader(), Expanded( child: FutureBuilder( future: getTimeline(context), builder: (BuildContext context, snapshot) { if (!snapshot.hasData) { return Center( child: CircularProgressIndicator(), ); } if (room.notificationCount != null && room.notificationCount > 0 && timeline != null && timeline.events.isNotEmpty && Matrix.of(context).webHasFocus) { room.sendReadMarker( timeline.events.first.eventId, readReceiptLocationEventId: timeline.events.first.eventId, ); } // create a map of eventId --> index to greatly improve performance of // ListView's findChildIndexCallback final thisEventsKeyMap = {}; for (var i = 0; i < filteredEvents.length; i++) { thisEventsKeyMap[filteredEvents[i].eventId] = i; } return ListView.custom( padding: EdgeInsets.symmetric( horizontal: max( 0, (MediaQuery.of(context).size.width - FluffyThemes.columnWidth * (2.5 + (AdaptivePageLayout.of(context) .threeColumnMode(context) ? 0 : 1))) / 2), ), reverse: true, controller: _scrollController, childrenDelegate: SliverChildBuilderDelegate( (BuildContext context, int i) { return i == filteredEvents.length + 1 ? timeline.isRequestingHistory ? Container( height: 50, alignment: Alignment.center, padding: EdgeInsets.all(8), child: CircularProgressIndicator(), ) : _canLoadMore ? FlatButton( child: Text( L10n.of(context).loadMore, style: TextStyle( color: Theme.of(context) .primaryColor, fontWeight: FontWeight.bold, decoration: TextDecoration.underline, ), ), onPressed: requestHistory, ) : Container() : i == 0 ? AnimatedContainer( height: seenByText.isEmpty ? 0 : 24, duration: seenByText.isEmpty ? Duration(milliseconds: 0) : Duration(milliseconds: 300), alignment: filteredEvents.first.senderId == client.userID ? Alignment.topRight : Alignment.topLeft, child: Container( padding: EdgeInsets.symmetric( horizontal: 4), decoration: BoxDecoration( color: Theme.of(context) .scaffoldBackgroundColor .withOpacity(0.8), borderRadius: BorderRadius.circular(4), ), child: Text( seenByText, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle( color: Theme.of(context) .primaryColor, ), ), ), padding: EdgeInsets.only( left: 8, right: 8, bottom: 8, ), ) : AutoScrollTag( key: ValueKey( filteredEvents[i - 1].eventId), index: i - 1, controller: _scrollController, child: Swipeable( key: ValueKey( filteredEvents[i - 1].eventId), background: Padding( padding: EdgeInsets.symmetric( horizontal: 12.0), child: Center( child: Icon(Icons.reply_outlined), ), ), direction: SwipeDirection.endToStart, onSwipe: (direction) => replyAction( replyTo: filteredEvents[i - 1]), child: Message(filteredEvents[i - 1], onAvatarTab: (Event event) => showModalBottomSheet( context: context, builder: (context) => UserBottomSheet( user: event.sender, onMention: () => sendController.text += '${event.senderId} ', ), ), onSelect: (Event event) { if (event.type == EventTypes.RoomCreate) { return setState(() => _collapseRoomCreate = false); } if (!event.redacted) { if (selectedEvents .contains(event)) { setState( () => selectedEvents .remove(event), ); } else { setState( () => selectedEvents .add(event), ); } selectedEvents.sort( (a, b) => a.originServerTs .compareTo( b.originServerTs), ); } }, scrollToEventId: (String eventId) => _scrollToEventId(eventId, context: context), longPressSelect: selectedEvents.isEmpty, selected: selectedEvents.contains( filteredEvents[i - 1]), timeline: timeline, nextEvent: i >= 2 ? filteredEvents[i - 2] : null), ), ); }, childCount: filteredEvents.length + 2, findChildIndexCallback: (Key key) { // this method is called very often. As such, it has to be optimized for speed. if (!(key is ValueKey)) { return null; } final eventId = (key as ValueKey).value; if (!(eventId is String)) { return null; } // first fetch the last index the event was at final index = thisEventsKeyMap[eventId]; if (index == null) { return null; } // we need to +1 as 0 is the typing thing at the bottom return index + 1; }, ), ); }, ), ), AnimatedContainer( duration: Duration(milliseconds: 300), height: (editEvent == null && replyEvent == null && selectedEvents.length == 1) ? 56 : 0, child: Material( color: Theme.of(context).secondaryHeaderColor, child: Builder(builder: (context) { if (!(editEvent == null && replyEvent == null && selectedEvents.length == 1)) { return Container(); } var emojis = List.from(AppEmojis.emojis); final allReactionEvents = selectedEvents.first .aggregatedEvents( timeline, RelationshipTypes.Reaction) ?.where((event) => event.senderId == event.room.client.userID && event.type == 'm.reaction'); allReactionEvents.forEach((event) { try { emojis.remove(event.content['m.relates_to']['key']); } catch (_) {} }); return ListView.builder( scrollDirection: Axis.horizontal, itemCount: emojis.length + 1, itemBuilder: (c, i) => i == emojis.length ? InkWell( borderRadius: BorderRadius.circular(8), child: Container( width: 56, height: 56, alignment: Alignment.center, child: Icon(Icons.add_outlined), ), onTap: () => _pickEmojiAction( context, allReactionEvents), ) : InkWell( borderRadius: BorderRadius.circular(8), onTap: () => _sendEmojiAction(context, emojis[i]), child: Container( width: 56, height: 56, alignment: Alignment.center, child: Text( emojis[i], style: TextStyle(fontSize: 30), ), ), ), ); }), ), ), AnimatedContainer( duration: Duration(milliseconds: 300), height: editEvent != null || replyEvent != null ? 56 : 0, child: Material( color: Theme.of(context).secondaryHeaderColor, child: Row( children: [ IconButton( icon: Icon(Icons.close), onPressed: () => setState(() { if (editEvent != null) { inputText = sendController.text = pendingText; pendingText = ''; } replyEvent = null; editEvent = null; }), ), Expanded( child: replyEvent != null ? ReplyContent(replyEvent, timeline: timeline) : _EditContent( editEvent?.getDisplayEvent(timeline)), ), ], ), ), ), Divider( height: 1, color: Theme.of(context).secondaryHeaderColor, thickness: 1, ), room.canSendDefaultMessages && room.membership == Membership.join ? Container( decoration: BoxDecoration( color: Theme.of(context).backgroundColor, ), child: Row( crossAxisAlignment: CrossAxisAlignment.end, mainAxisAlignment: MainAxisAlignment.spaceBetween, children: selectMode ? [ Container( height: 56, child: FlatButton( onPressed: () => forwardEventsAction(context), child: Row( children: [ Icon(Icons .keyboard_arrow_left_outlined), Text(L10n.of(context).forward), ], ), ), ), selectedEvents.length == 1 ? selectedEvents.first .getDisplayEvent(timeline) .status > 0 ? Container( height: 56, child: FlatButton( onPressed: () => replyAction(), child: Row( children: [ Text( L10n.of(context).reply), Icon(Icons .keyboard_arrow_right), ], ), ), ) : Container( height: 56, child: FlatButton( onPressed: () => sendAgainAction(timeline), child: Row( children: [ Text(L10n.of(context) .tryToSendAgain), SizedBox(width: 4), Icon(Icons.send_outlined, size: 16), ], ), ), ) : Container(), ] : [ if (inputText.isEmpty) Container( height: 56, alignment: Alignment.center, child: PopupMenuButton( icon: Icon(Icons.add_outlined), onSelected: (String choice) async { if (choice == 'file') { sendFileAction(context); } else if (choice == 'image') { sendImageAction(context); } if (choice == 'camera') { openCameraAction(context); } if (choice == 'voice') { voiceMessageAction(context); } }, itemBuilder: (BuildContext context) => >[ PopupMenuItem( value: 'file', child: ListTile( leading: CircleAvatar( backgroundColor: Colors.green, foregroundColor: Colors.white, child: Icon( Icons.attachment_outlined), ), title: Text( L10n.of(context).sendFile), contentPadding: EdgeInsets.all(0), ), ), PopupMenuItem( value: 'image', child: ListTile( leading: CircleAvatar( backgroundColor: Colors.blue, foregroundColor: Colors.white, child: Icon(Icons.image_outlined), ), title: Text( L10n.of(context).sendImage), contentPadding: EdgeInsets.all(0), ), ), if (PlatformInfos.isMobile) PopupMenuItem( value: 'camera', child: ListTile( leading: CircleAvatar( backgroundColor: Colors.purple, foregroundColor: Colors.white, child: Icon(Icons .camera_alt_outlined), ), title: Text(L10n.of(context) .openCamera), contentPadding: EdgeInsets.all(0), ), ), if (PlatformInfos.isMobile) PopupMenuItem( value: 'voice', child: ListTile( leading: CircleAvatar( backgroundColor: Colors.red, foregroundColor: Colors.white, child: Icon( Icons.mic_none_outlined), ), title: Text(L10n.of(context) .voiceMessage), contentPadding: EdgeInsets.all(0), ), ), ], ), ), Container( height: 56, alignment: Alignment.center, child: EncryptionButton(room), ), Expanded( child: Padding( padding: const EdgeInsets.symmetric( vertical: 4.0), child: InputBar( room: room, minLines: 1, maxLines: kIsWeb ? 1 : 8, autofocus: !PlatformInfos.isMobile, keyboardType: !PlatformInfos.isMobile ? TextInputType.text : TextInputType.multiline, onSubmitted: (String text) { send(); FocusScope.of(context) .requestFocus(inputFocus); }, focusNode: inputFocus, controller: sendController, decoration: InputDecoration( hintText: L10n.of(context).writeAMessage, hintMaxLines: 1, border: InputBorder.none, ), onChanged: (String text) { typingCoolDown?.cancel(); typingCoolDown = Timer(Duration(seconds: 2), () { typingCoolDown = null; currentlyTyping = false; room.sendTypingNotification(false); }); typingTimeout ??= Timer(Duration(seconds: 30), () { typingTimeout = null; currentlyTyping = false; }); if (!currentlyTyping) { currentlyTyping = true; room.sendTypingNotification(true, timeout: Duration(seconds: 30) .inMilliseconds); } // Workaround for a current desktop bug if (!PlatformInfos.isBetaDesktop) { setState(() => inputText = text); } }, ), ), ), if (PlatformInfos.isMobile && inputText.isEmpty) Container( height: 56, alignment: Alignment.center, child: IconButton( icon: Icon(Icons.mic_none_outlined), onPressed: () => voiceMessageAction(context), ), ), if (!PlatformInfos.isMobile || inputText.isNotEmpty) Container( height: 56, alignment: Alignment.center, child: IconButton( icon: Icon(Icons.send_outlined), onPressed: () => send(), ), ), ], ), ) : Container(), ], ), ), ], ), ); } } class _EditContent extends StatelessWidget { final Event event; _EditContent(this.event); @override Widget build(BuildContext context) { if (event == null) { return Container(); } return Row( children: [ Icon( Icons.edit, color: Theme.of(context).primaryColor, ), Container(width: 15.0), Text( event?.getLocalizedBody( MatrixLocals(L10n.of(context)), withSenderNamePrefix: false, hideReply: true, ) ?? '', overflow: TextOverflow.ellipsis, maxLines: 1, style: TextStyle( color: Theme.of(context).textTheme.bodyText2.color, ), ), ], ); } }