forked from Nexus/nexus
531 lines
20 KiB
Dart
531 lines
20 KiB
Dart
import "package:fast_immutable_collections/fast_immutable_collections.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_hooks/flutter_hooks.dart";
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import "package:hooks_riverpod/hooks_riverpod.dart";
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import "package:measure_size/measure_size.dart";
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import "package:nexus/controllers/account_data_controller.dart";
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import "package:nexus/controllers/client_controller.dart";
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import "package:nexus/controllers/client_state_controller.dart";
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import "package:nexus/controllers/power_level_controller.dart";
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import "package:nexus/controllers/rooms_controller.dart";
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import "package:nexus/controllers/room_chat_controller.dart";
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import "package:nexus/controllers/via_controller.dart";
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import "package:nexus/models/configs/power_level_config.dart";
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import "package:nexus/models/content/message.dart";
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import "package:nexus/models/event.dart";
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import "package:nexus/models/relation_type.dart";
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import "package:nexus/widgets/composer/composer.dart";
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import "package:nexus/widgets/emoji_picker_button.dart";
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import "package:nexus/widgets/pinned_events_drawer.dart";
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import "package:nexus/widgets/renderers/event.dart";
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import "package:nexus/widgets/member_list.dart";
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import "package:nexus/widgets/room_appbar.dart";
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import "package:nexus/widgets/highlight_wrapper.dart";
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import "package:nexus/widgets/error_dialog.dart";
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import "package:nexus/main.dart";
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import "package:nexus/widgets/loading.dart";
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import "package:super_sliver_list/super_sliver_list.dart";
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class RoomChat extends HookConsumerWidget {
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final bool isDesktop;
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final bool showMembersByDefault;
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final String? roomId;
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const RoomChat({
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required this.roomId,
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required this.isDesktop,
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required this.showMembersByDefault,
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super.key,
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});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final relatedEvent = useState<Event?>(null);
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final relationType = useState(RelationType.reply);
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final highlightedEvent = useState<String?>(null);
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final composerSize = useState<double>(64);
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final memberListOpened = useState<bool>(showMembersByDefault);
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final userId = ref.watch(ClientStateController.provider)?.userId;
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final theme = Theme.of(context);
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final nothing = Center(
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child: Text(
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"Nothing to see here...",
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style: theme.textTheme.headlineMedium,
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),
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);
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if (userId == null || this.roomId == null) {
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return Scaffold(
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appBar: RoomAppbar(
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roomId: this.roomId,
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isDesktop: isDesktop,
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onOpenDrawer: () => Scaffold.of(context).openDrawer(),
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),
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body: nothing,
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);
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}
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final roomId = this.roomId!;
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final controllerProvider = RoomChatController.provider(roomId);
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final notifier = ref.watch(controllerProvider.notifier);
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final client = ref.watch(ClientController.provider.notifier);
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final listController = useRef(ListController());
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final scrollController = useScrollController();
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final controllerData = ref.watch(controllerProvider);
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final topEventBeforeLoad = useState<String?>(null);
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Future<void> loadOlder() async {
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if (controllerData case AsyncData(:final value?)) {
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topEventBeforeLoad.value = value.firstOrNull?.eventId;
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await notifier.loadOlder();
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}
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}
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useEffect(() {
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ref
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.read(controllerProvider.future)
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.then(
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(_) => WidgetsBinding.instance.addPostFrameCallback((_) {
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if (scrollController.hasClients) {
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scrollController.jumpTo(
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scrollController.position.maxScrollExtent - .000001,
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);
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}
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}),
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);
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return null;
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}, [scrollController.hasClients]);
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useEffect(() {
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if (controllerData case AsyncData(
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:final value?,
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) when scrollController.hasClients) {
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if (topEventBeforeLoad.value != null) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (scrollController.hasClients) {
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final index = value.indexWhere(
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(event) => event.eventId == topEventBeforeLoad.value,
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);
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if (index != -1) {
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listController.value.jumpToItem(
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index: index,
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scrollController: scrollController,
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alignment: 0,
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);
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}
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}
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topEventBeforeLoad.value = null;
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});
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} else if (scrollController.position.atEdge &&
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scrollController.position.pixels != 0) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (scrollController.hasClients) {
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scrollController.jumpTo(
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scrollController.position.maxScrollExtent,
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);
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}
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});
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}
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}
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return null;
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}, [controllerData]);
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useEffect(() {
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Future<void> listener() async {
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if (!scrollController.hasClients || !scrollController.position.atEdge) {
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return;
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}
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final room = ref.watch(
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RoomsController.provider.select((value) => value[roomId]),
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);
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if (room == null) return;
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if (scrollController.position.pixels == 0) {
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if (room.hasMore) {
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await loadOlder();
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}
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} else {
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await client.markRead(room);
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}
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}
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scrollController.addListener(listener);
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return () => scrollController.removeListener(listener);
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}, [roomId, controllerData]);
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final composerNode = useFocusNode(
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onKeyEvent: (_, event) {
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if (event is KeyDownEvent && event.logicalKey == .escape) {
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relatedEvent.value = null;
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return KeyEventResult.handled;
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}
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return KeyEventResult.ignored;
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},
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);
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IList<PopupMenuEntry> getEventOptions(Event event) {
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final danger = theme.colorScheme.error;
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final isSentByMe = event.sender == userId;
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return [
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if (ref.watch(
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PowerLevelController.provider(
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.new(eventType: .reaction, roomId: roomId),
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),
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))
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PopupMenuItem(
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enabled: false,
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child: IconTheme(
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data: theme.iconTheme,
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child: Row(
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children: [
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...{
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...ref.watch(
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AccountDataController.provider.select(
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(value) => IList(
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value["m.recent_emoji"]
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?.content["recent_emoji"] ??
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[],
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).map((entry) => entry["emoji"]).toIList(),
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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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.toIList()
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.sublist(0, 4)
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.map(
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(emoji) => IconButton(
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onPressed: () async {
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Navigator.of(context).pop();
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await notifier
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.sendReaction(emoji, event)
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.onError(showError);
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},
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icon: Text(emoji),
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),
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),
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EmojiPickerButton(
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context: context,
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onPressed: Navigator.of(context).pop,
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onSelection: (emoji) =>
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notifier.sendReaction(emoji, event).onError(showError),
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),
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],
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),
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),
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),
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if (ref.watch(
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PowerLevelController.provider(
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PowerLevelConfig(eventType: .message, roomId: roomId),
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),
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))
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PopupMenuItem(
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onTap: () {
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relatedEvent.value = event;
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relationType.value = .reply;
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composerNode.requestFocus();
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},
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child: ListTile(leading: Icon(Icons.reply), title: Text("Reply")),
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),
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if (event.content is MessageContent && isSentByMe)
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PopupMenuItem(
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onTap: () {
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relatedEvent.value = event;
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relationType.value = .edit;
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composerNode.requestFocus();
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},
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child: ListTile(leading: Icon(Icons.edit), title: Text("Edit")),
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),
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PopupMenuItem(
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onTap: () async {
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final room = ref.watch(
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RoomsController.provider.select((value) => value[roomId]),
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);
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if (room == null) return;
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final vias = ref.watch(ViaController.provider(room));
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await Clipboard.setData(
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ClipboardData(
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text:
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"matrix:roomid/${room.metadata?.id.substring(1)}/e/${event.eventId}$vias)",
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),
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);
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},
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child: ListTile(leading: Icon(Icons.link), title: Text("Copy Link")),
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),
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if (ref.watch(
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PowerLevelController.provider(
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.redaction(targetUser: event.sender, roomId: roomId),
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),
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))
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PopupMenuItem(
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onTap: () => showDialog(
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context: context,
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builder: (context) => HookBuilder(
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builder: (_) {
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final deleteReasonController = useTextEditingController();
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return AlertDialog(
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title: Text("Delete Message"),
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content: Column(
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mainAxisSize: .min,
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crossAxisAlignment: .start,
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children: [
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Text(
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"Are you sure you want to delete this message? This can not be reversed.",
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),
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SizedBox(height: 12),
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TextField(
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controller: deleteReasonController,
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textCapitalization: .sentences,
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decoration: .new(
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labelText: "Reason for deletion (optional)",
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),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: Navigator.of(context).pop,
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child: Text("Cancel"),
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),
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TextButton(
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onPressed: () async {
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Navigator.of(context).pop();
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await notifier
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.deleteMessage(
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event,
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reason: deleteReasonController.text,
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)
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.onError(showError);
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},
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child: Text("Delete"),
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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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child: ListTile(
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leading: Icon(Icons.delete, color: danger),
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title: Text("Delete", style: .new(color: danger)),
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),
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),
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PopupMenuItem(
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onTap: () => showDialog(
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context: context,
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builder: (context) => HookBuilder(
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builder: (_) {
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final reasonController = useTextEditingController();
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return AlertDialog(
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title: Text("Report"),
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content: Column(
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mainAxisSize: .min,
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crossAxisAlignment: .start,
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children: [
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Text(
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"Report this event to your server administrators, who can take action like banning this server or room.",
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),
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SizedBox(height: 12),
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TextField(
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controller: reasonController,
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textCapitalization: .sentences,
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decoration: .new(
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labelText: "Reason for report (optional)",
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),
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),
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],
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),
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actions: [
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TextButton(
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onPressed: Navigator.of(context).pop,
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child: Text("Cancel"),
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),
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TextButton(
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onPressed: () {
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client.reportEvent(
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.new(
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roomId: roomId,
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eventId: event.eventId,
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reason: reasonController.text.isEmpty
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? null
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: reasonController.text,
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),
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);
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Navigator.of(context).pop();
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},
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child: Text("Report"),
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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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child: ListTile(
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leading: Icon(Icons.report, color: danger),
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title: Text("Report", style: .new(color: danger)),
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),
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),
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].toIList();
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}
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return Scaffold(
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endDrawer: PinnedEventsDrawer(roomId, getEventOptions: getEventOptions),
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body: Builder(
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builder: (middleContext) => Scaffold(
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endDrawer: showMembersByDefault ? null : MemberList(roomId),
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appBar: RoomAppbar(
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roomId: roomId,
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isDesktop: isDesktop,
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onOpenDrawer: Scaffold.of(context).openDrawer,
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onOpenMemberList: (thisContext) {
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memberListOpened.value = !memberListOpened.value;
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Scaffold.of(thisContext).openEndDrawer();
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},
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onOpenPinnedMessagesList: () {
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Scaffold.of(middleContext).openEndDrawer();
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},
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),
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body: Row(
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children: [
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Expanded(
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child: Stack(
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children: [
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Positioned.fill(
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child: Padding(
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padding: .symmetric(horizontal: 4),
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child: switch (controllerData) {
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AsyncData(:final value?) ||
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AsyncLoading(:final value?) => CustomScrollView(
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controller: scrollController,
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slivers: [
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SliverToBoxAdapter(
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child: Padding(
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padding: .symmetric(vertical: 36),
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child: Center(
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child: ElevatedButton(
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onPressed: controllerData is AsyncData
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? loadOlder
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: null,
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child: Text("Load More"),
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),
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),
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),
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),
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SuperSliverList.builder(
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listController: listController.value,
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itemCount: value.length,
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itemBuilder: (_, index) {
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final event = value[index];
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final previousEvent = value.getOrNull(
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index - 1,
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);
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return HighlightWrapper(
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EventRenderer(
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event,
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onTapReply: () async {
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final replyId = event.replyTo;
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listController.value.animateToItem(
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index: value.indexWhere(
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(element) =>
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element.eventId == replyId,
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),
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scrollController: scrollController,
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alignment: 0.5,
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duration: (_) =>
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.new(milliseconds: 700),
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curve: (_) => Curves.easeInOut,
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);
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highlightedEvent.value = replyId;
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await Future.delayed(
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.new(seconds: 1),
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() {
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if (highlightedEvent.value ==
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replyId) {
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highlightedEvent.value = null;
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}
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},
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);
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},
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getEventOptions: getEventOptions,
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isGrouped:
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previousEvent?.content
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is MessageContent &&
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previousEvent?.redactedBy == null &&
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previousEvent?.relationType !=
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"m.replace" &&
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"${event.sender}${event.pmp?.id}" ==
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"${previousEvent?.sender}${previousEvent?.pmp?.id}",
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),
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isHighlighted:
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highlightedEvent.value == event.eventId,
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);
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},
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),
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SliverPadding(
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padding: .only(bottom: composerSize.value),
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),
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],
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),
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AsyncData() => nothing,
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AsyncLoading() => Loading(),
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AsyncError(:final error, :final stackTrace) =>
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ErrorDialog(error, stackTrace),
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},
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),
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),
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Positioned(
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bottom: 0,
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left: 0,
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right: 0,
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child: MeasureSize(
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onChange: (size) => composerSize.value = size.height,
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child: Composer(
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roomId,
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node: composerNode,
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onSend:
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(text, {required shouldMention, required tags}) =>
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notifier
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.send(
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text,
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tags: tags,
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relationType: relationType.value,
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shouldMention: shouldMention,
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relation: relatedEvent.value,
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)
|
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.onError(showError),
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relationType: relationType.value,
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relatedEvent: relatedEvent.value,
|
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onDismiss: () => relatedEvent.value = null,
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),
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),
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),
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],
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),
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),
|
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|
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if (memberListOpened.value == true && showMembersByDefault)
|
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MemberList(roomId),
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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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