mirror of
https://gitlab.com/famedly/fluffychat.git
synced 2024-11-28 07:19:32 +01:00
361 lines
17 KiB
Dart
361 lines
17 KiB
Dart
import 'dart:ui';
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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_gen/gen_l10n/l10n.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:matrix/matrix.dart';
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import 'package:scroll_to_index/scroll_to_index.dart';
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import 'package:swipe_to_action/swipe_to_action.dart';
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import 'package:vrouter/vrouter.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/config/themes.dart';
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import 'package:fluffychat/pages/chat/chat.dart';
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import 'package:fluffychat/pages/chat/chat_app_bar_title.dart';
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import 'package:fluffychat/pages/chat/reactions_picker.dart';
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import 'package:fluffychat/pages/chat/reply_display.dart';
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import 'package:fluffychat/pages/chat/seen_by_row.dart';
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import 'package:fluffychat/pages/chat/tombstone_display.dart';
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import 'package:fluffychat/pages/chat/typing_indicators.dart';
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import 'package:fluffychat/pages/user_bottom_sheet/user_bottom_sheet.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/widgets/chat_settings_popup_menu.dart';
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import 'package:fluffychat/widgets/connection_status_header.dart';
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import 'package:fluffychat/widgets/matrix.dart';
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import 'package:fluffychat/widgets/unread_badge_back_button.dart';
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import '../../utils/stream_extension.dart';
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import 'chat_emoji_picker.dart';
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import 'chat_input_row.dart';
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import 'events/message.dart';
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enum _EventContextAction { info, report }
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class ChatView extends StatelessWidget {
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final ChatController controller;
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const ChatView(this.controller, {Key key}) : super(key: key);
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List<Widget> _appBarActions(BuildContext context) => controller.selectMode
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? [
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if (controller.canEditSelectedEvents)
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IconButton(
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icon: const Icon(Icons.edit_outlined),
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tooltip: L10n.of(context).edit,
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onPressed: controller.editSelectedEventAction,
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),
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IconButton(
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icon: const Icon(Icons.copy_outlined),
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tooltip: L10n.of(context).copy,
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onPressed: controller.copyEventsAction,
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),
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if (controller.canRedactSelectedEvents)
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IconButton(
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icon: const Icon(Icons.delete_outlined),
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tooltip: L10n.of(context).redactMessage,
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onPressed: controller.redactEventsAction,
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),
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if (controller.selectedEvents.length == 1)
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PopupMenuButton<_EventContextAction>(
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onSelected: (action) {
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switch (action) {
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case _EventContextAction.info:
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controller.showEventInfo();
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controller.clearSelectedEvents();
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break;
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case _EventContextAction.report:
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controller.reportEventAction();
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break;
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}
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},
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itemBuilder: (context) => [
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PopupMenuItem(
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value: _EventContextAction.info,
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.info_outlined),
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const SizedBox(width: 12),
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Text(L10n.of(context).messageInfo),
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],
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),
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),
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PopupMenuItem(
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value: _EventContextAction.report,
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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const Icon(Icons.report_outlined),
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const SizedBox(width: 12),
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Text(L10n.of(context).reportMessage),
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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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ChatSettingsPopupMenu(controller.room, !controller.room.isDirectChat),
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];
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@override
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Widget build(BuildContext context) {
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controller.matrix ??= Matrix.of(context);
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final client = controller.matrix.client;
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controller.sendingClient ??= client;
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controller.room = controller.sendingClient.getRoomById(controller.roomId);
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if (controller.room == null) {
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return Scaffold(
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appBar: AppBar(
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title: Text(L10n.of(context).oopsSomethingWentWrong),
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),
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body: Center(
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child: Text(L10n.of(context).youAreNoLongerParticipatingInThisChat),
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),
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);
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}
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if (controller.room.membership == Membership.invite) {
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showFutureLoadingDialog(
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context: context, future: () => controller.room.join());
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}
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final bottomSheetPadding = FluffyThemes.isColumnMode(context) ? 16.0 : 8.0;
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final horizontalPadding = FluffyThemes.isColumnMode(context) ? 8.0 : 0.0;
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return VWidgetGuard(
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onSystemPop: (redirector) async {
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if (controller.selectedEvents.isNotEmpty) {
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controller.clearSelectedEvents();
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redirector.stopRedirection();
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}
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},
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child: StreamBuilder(
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stream: controller.room.onUpdate.stream
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.rateLimit(const Duration(milliseconds: 250)),
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builder: (context, snapshot) => Scaffold(
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appBar: AppBar(
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actionsIconTheme: IconThemeData(
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color: controller.selectedEvents.isEmpty
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? null
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: Theme.of(context).colorScheme.primary,
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),
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leading: controller.selectMode
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? IconButton(
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icon: const Icon(Icons.close),
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onPressed: controller.clearSelectedEvents,
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tooltip: L10n.of(context).close,
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color: Theme.of(context).colorScheme.primary,
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)
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: UnreadBadgeBackButton(roomId: controller.roomId),
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titleSpacing: 0,
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title: ChatAppBarTitle(controller),
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actions: _appBarActions(context),
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),
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floatingActionButton: controller.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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onPressed: controller.scrollDown,
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foregroundColor:
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Theme.of(context).textTheme.bodyText2.color,
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backgroundColor: Theme.of(context).scaffoldBackgroundColor,
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mini: true,
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child: Icon(Icons.arrow_downward_outlined,
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color: Theme.of(context).primaryColor),
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),
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)
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: null,
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backgroundColor: Theme.of(context).colorScheme.surface,
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body: Stack(
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children: <Widget>[
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if (Matrix.of(context).wallpaper != null)
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Image.file(
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Matrix.of(context).wallpaper,
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width: double.infinity,
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height: double.infinity,
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fit: BoxFit.cover,
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),
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Column(
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children: <Widget>[
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TombstoneDisplay(controller),
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Expanded(
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child: FutureBuilder<bool>(
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future: controller.getTimeline(),
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builder: (BuildContext context, snapshot) {
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if (controller.timeline == null) {
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return const Center(
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child: CircularProgressIndicator.adaptive(
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strokeWidth: 2),
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);
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}
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// create a map of eventId --> index to greatly improve performance of
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// ListView's findChildIndexCallback
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final thisEventsKeyMap = <String, int>{};
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for (var i = 0;
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i < controller.filteredEvents.length;
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i++) {
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thisEventsKeyMap[
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controller.filteredEvents[i].eventId] = i;
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}
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return ListView.custom(
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padding: EdgeInsets.only(
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top: 16,
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bottom: 4,
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left: horizontalPadding,
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right: horizontalPadding,
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),
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reverse: true,
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controller: controller.scrollController,
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keyboardDismissBehavior: PlatformInfos.isIOS
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? ScrollViewKeyboardDismissBehavior.onDrag
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: ScrollViewKeyboardDismissBehavior.manual,
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childrenDelegate: SliverChildBuilderDelegate(
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(BuildContext context, int i) {
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return i == controller.filteredEvents.length + 1
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? controller.timeline.isRequestingHistory
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? const Center(
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child: CircularProgressIndicator
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.adaptive(strokeWidth: 2),
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)
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: controller.canLoadMore
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? Center(
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child: OutlinedButton(
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style: OutlinedButton.styleFrom(
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backgroundColor: Theme.of(
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context)
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.scaffoldBackgroundColor,
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),
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onPressed:
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controller.requestHistory,
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child: Text(
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L10n.of(context).loadMore),
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),
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)
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: Container()
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: i == 0
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? Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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SeenByRow(controller),
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TypingIndicators(controller),
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],
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)
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: AutoScrollTag(
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key: ValueKey(controller
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.filteredEvents[i - 1].eventId),
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index: i - 1,
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controller:
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controller.scrollController,
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child: Swipeable(
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key: ValueKey(controller
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.filteredEvents[i - 1].eventId),
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background: const Padding(
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padding: EdgeInsets.symmetric(
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horizontal: 12.0),
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child: Center(
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child:
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Icon(Icons.reply_outlined),
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),
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),
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direction:
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SwipeDirection.endToStart,
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onSwipe: (direction) =>
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controller.replyAction(
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replyTo: controller
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.filteredEvents[i - 1]),
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child: Message(
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controller
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.filteredEvents[i - 1],
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onInfoTab:
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controller.showEventInfo,
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onAvatarTab: (Event event) =>
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showModalBottomSheet(
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context: context,
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builder: (c) =>
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UserBottomSheet(
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user: event.sender,
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outerContext: context,
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onMention: () => controller
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.sendController
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.text +=
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'${event.sender.mention} ',
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),
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),
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unfold: controller.unfold,
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onSelect:
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controller.onSelectMessage,
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scrollToEventId: (String eventId) =>
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controller.scrollToEventId(
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eventId),
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longPressSelect: controller
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.selectedEvents.isEmpty,
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selected: controller.selectedEvents.any((e) =>
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e.eventId ==
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controller
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.filteredEvents[i - 1]
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.eventId),
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timeline: controller.timeline,
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nextEvent:
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i < controller.filteredEvents.length
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? controller
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.filteredEvents[i]
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: null),
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),
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);
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},
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childCount: controller.filteredEvents.length + 2,
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findChildIndexCallback: (key) => controller
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.findChildIndexCallback(key, thisEventsKeyMap),
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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 (controller.room.canSendDefaultMessages &&
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controller.room.membership == Membership.join)
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Container(
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padding: EdgeInsets.only(
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bottom: bottomSheetPadding,
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left: bottomSheetPadding,
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right: bottomSheetPadding,
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),
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constraints: const BoxConstraints(
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maxWidth: FluffyThemes.columnWidth * 2.5),
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alignment: Alignment.center,
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child: Material(
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borderRadius: const BorderRadius.only(
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bottomLeft: Radius.circular(AppConfig.borderRadius),
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bottomRight: Radius.circular(AppConfig.borderRadius),
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),
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elevation: 6,
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shadowColor: Theme.of(context)
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.secondaryHeaderColor
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.withAlpha(100),
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clipBehavior: Clip.hardEdge,
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color: Theme.of(context).backgroundColor,
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child: SafeArea(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const ConnectionStatusHeader(),
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ReactionsPicker(controller),
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ReplyDisplay(controller),
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ChatInputRow(controller),
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ChatEmojiPicker(controller),
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],
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),
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),
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),
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),
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],
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),
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],
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),
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),
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),
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);
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}
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}
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