feat: image fullscreen viewer, public room browser
- Chat: tap any image to open fullscreen InteractiveViewer (pinch/zoom) - Rooms: public room browser (Find rooms FAB + empty state button) searches Matrix room directory via queryPublicRooms, join from results - Rooms: empty state now shows 'Find rooms' button to onboard new users Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
225
lib/features/rooms/presentation/public_rooms_dialog.dart
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225
lib/features/rooms/presentation/public_rooms_dialog.dart
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// Version: 1.0.0 | Created: 2026-04-27
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// Public room browser — search Matrix room directory and join rooms.
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import 'package:go_router/go_router.dart';
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import 'package:matrix/matrix_api_lite.dart'
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show PublicRoomQueryFilter, PublicRoomsChunk;
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import '../../../core/network/matrix_client.dart';
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import '../../../shared/widgets/matrix_avatar.dart';
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part 'public_rooms_dialog.g.dart';
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@riverpod
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Future<List<PublicRoomsChunk>> publicRooms(
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Ref ref, String searchTerm) async {
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final client = ref.watch(matrixClientProvider);
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final filter = searchTerm.trim().isEmpty
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? null
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: PublicRoomQueryFilter(genericSearchTerm: searchTerm.trim());
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final response = await client.queryPublicRooms(
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filter: filter,
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limit: 30,
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);
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return response.chunk;
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}
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Future<void> showPublicRoomsDialog(BuildContext context) {
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return showDialog<void>(
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context: context,
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builder: (_) => const _PublicRoomsDialog(),
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);
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}
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class _PublicRoomsDialog extends ConsumerStatefulWidget {
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const _PublicRoomsDialog();
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@override
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ConsumerState<_PublicRoomsDialog> createState() =>
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_PublicRoomsDialogState();
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}
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class _PublicRoomsDialogState extends ConsumerState<_PublicRoomsDialog> {
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final _controller = TextEditingController();
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String _searchTerm = '';
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Timer? _debounce;
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String? _joiningRoomId;
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@override
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void dispose() {
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_debounce?.cancel();
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_controller.dispose();
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super.dispose();
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}
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void _onSearchChanged(String val) {
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_debounce?.cancel();
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_debounce = Timer(const Duration(milliseconds: 450), () {
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if (mounted) setState(() => _searchTerm = val);
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});
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}
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Future<void> _join(PublicRoomsChunk room) async {
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if (_joiningRoomId != null) return;
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setState(() => _joiningRoomId = room.roomId);
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try {
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final client = ref.read(matrixClientProvider);
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await client.joinRoom(room.canonicalAlias ?? room.roomId);
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if (!mounted) return;
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Navigator.of(context).pop();
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context.push('/rooms/${Uri.encodeComponent(room.roomId)}');
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} on Exception catch (e) {
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if (!mounted) return;
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setState(() => _joiningRoomId = null);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('Could not join room: $e')),
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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final theme = Theme.of(context);
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final roomsAsync = ref.watch(publicRoomsProvider(_searchTerm));
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return Dialog(
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insetPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 32),
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 520, maxHeight: 600),
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child: Column(
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children: [
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// Header
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 16, 4, 0),
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child: Row(
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children: [
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Text(
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'Find rooms',
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w600,
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),
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),
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const Spacer(),
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IconButton(
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icon: const Icon(Icons.close),
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onPressed: () => Navigator.of(context).pop(),
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),
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],
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),
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),
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// Search
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: TextField(
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controller: _controller,
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autofocus: true,
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decoration: const InputDecoration(
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hintText: 'Search public rooms...',
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prefixIcon: Icon(Icons.search),
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),
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onChanged: _onSearchChanged,
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),
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),
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// Results
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Flexible(
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child: roomsAsync.when(
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loading: () =>
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const Center(child: CircularProgressIndicator()),
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error: (err, _) => Padding(
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padding: const EdgeInsets.all(16),
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child: Text('Search failed: $err'),
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),
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data: (rooms) {
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if (rooms.isEmpty) {
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return Padding(
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padding: const EdgeInsets.all(24),
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child: Text(
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_searchTerm.isEmpty
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? 'No public rooms found.'
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: 'No rooms match "$_searchTerm".',
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textAlign: TextAlign.center,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withAlpha(102),
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),
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),
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);
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}
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return ListView.separated(
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shrinkWrap: true,
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itemCount: rooms.length,
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separatorBuilder: (_, __) =>
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const Divider(height: 1, indent: 72),
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itemBuilder: (context, index) {
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final room = rooms[index];
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final name = room.name ??
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room.canonicalAlias ??
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room.roomId;
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final isJoining = _joiningRoomId == room.roomId;
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return ListTile(
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leading: MatrixAvatar(
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name: name,
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avatarUrl: room.avatarUrl?.toString(),
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radius: 20,
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),
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title: Text(
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name,
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overflow: TextOverflow.ellipsis,
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),
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subtitle: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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if (room.topic != null)
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Text(
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room.topic!,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: theme.textTheme.bodySmall,
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),
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Text(
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'${room.numJoinedMembers} member'
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'${room.numJoinedMembers == 1 ? '' : 's'}',
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface
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.withAlpha(120),
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),
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),
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],
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),
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isThreeLine: room.topic != null,
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trailing: isJoining
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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strokeWidth: 2),
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)
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: OutlinedButton(
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onPressed: _joiningRoomId != null
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? null
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: () => _join(room),
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child: const Text('Join'),
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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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@@ -1,4 +1,4 @@
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// Version: 1.4.0 | Created: 2026-04-01 | Updated: 2026-04-27
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// Version: 1.5.0 | Created: 2026-04-01 | Updated: 2026-04-27
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// Main rooms list screen with bottom navigation.
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import 'package:flutter/material.dart';
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@@ -9,6 +9,7 @@ import '../../help/presentation/help_tab.dart';
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import '../../jitsi/presentation/conference_tab.dart';
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import '../../profile/presentation/profile_screen.dart';
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import '../../spaces/presentation/spaces_screen.dart';
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import 'public_rooms_dialog.dart';
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import 'room_tile.dart';
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import 'rooms_controller.dart';
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import 'user_search_dialog.dart';
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@@ -113,6 +114,13 @@ class _RoomsScreenState extends ConsumerState<RoomsScreen> {
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)
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: null,
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body: _buildBody(),
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floatingActionButton: _selectedIndex == 0 && !_searchActive
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? FloatingActionButton(
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onPressed: () => showPublicRoomsDialog(context),
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tooltip: 'Find rooms',
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child: const Icon(Icons.explore_outlined),
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)
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: null,
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bottomNavigationBar: NavigationBar(
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selectedIndex: _selectedIndex,
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onDestinationSelected: (index) =>
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@@ -233,11 +241,19 @@ class _EmptyRoomsState extends StatelessWidget {
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),
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const SizedBox(height: 8),
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Text(
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'Rooms you join will appear here.',
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'Use the pencil icon above to message someone, or find '
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'a public room to join.',
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textAlign: TextAlign.center,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.onSurface.withAlpha(102),
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),
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),
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const SizedBox(height: 20),
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OutlinedButton.icon(
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onPressed: () => showPublicRoomsDialog(context),
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icon: const Icon(Icons.explore_outlined),
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label: const Text('Find rooms'),
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),
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],
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),
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),
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