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fluffychat/lib/widgets/public_room_bottom_sheet.dart

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import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_linkify/flutter_linkify.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
import 'package:matrix/matrix.dart';
import 'package:vrouter/vrouter.dart';
import 'package:fluffychat/utils/url_launcher.dart';
import 'package:fluffychat/widgets/avatar.dart';
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import 'package:fluffychat/widgets/matrix.dart';
import '../utils/localized_exception_extension.dart';
class PublicRoomBottomSheet extends StatelessWidget {
final String? roomAlias;
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final BuildContext outerContext;
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final PublicRoomsChunk? chunk;
final VoidCallback? onRoomJoined;
PublicRoomBottomSheet({
this.roomAlias,
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required this.outerContext,
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this.chunk,
this.onRoomJoined,
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Key? key,
}) : super(key: key) {
assert(roomAlias != null || chunk != null);
}
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void _joinRoom(BuildContext context) async {
final client = Matrix.of(context).client;
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final chunk = this.chunk;
final navigator = Navigator.of(context);
final router = VRouter.of(context);
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final result = await showFutureLoadingDialog<String>(
context: context,
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future: () async {
if (chunk != null && client.getRoomById(chunk.roomId) != null) {
return chunk.roomId;
}
final roomId = chunk != null && chunk.joinRule == 'knock'
? await client.knockRoom(chunk.roomId)
: await client.joinRoom(roomAlias ?? chunk!.roomId);
if (client.getRoomById(roomId) == null) {
await client.onSync.stream.firstWhere(
(sync) => sync.rooms?.join?.containsKey(roomId) ?? false,
);
}
return roomId;
},
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);
if (result.error == null) {
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navigator.pop();
// don't open the room if the joined room is a space
if (!client.getRoomById(result.result!)!.isSpace) {
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router.toSegments(['rooms', result.result!]);
}
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return;
}
}
bool _testRoom(PublicRoomsChunk r) => r.canonicalAlias == roomAlias;
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Future<PublicRoomsChunk> _search(BuildContext context) async {
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final chunk = this.chunk;
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if (chunk != null) return chunk;
final query = await Matrix.of(context).client.queryPublicRooms(
server: roomAlias!.domain,
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filter: PublicRoomQueryFilter(
genericSearchTerm: roomAlias,
),
);
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if (!query.chunk.any(_testRoom)) {
throw (L10n.of(context)!.noRoomsFound);
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}
return query.chunk.firstWhere(_testRoom);
}
@override
Widget build(BuildContext context) {
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final roomAlias = this.roomAlias;
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return SafeArea(
child: Scaffold(
appBar: AppBar(
title: Text(
roomAlias ?? chunk!.name ?? chunk!.roomId,
overflow: TextOverflow.fade,
),
leading: IconButton(
icon: const Icon(Icons.arrow_downward_outlined),
onPressed: Navigator.of(context, rootNavigator: false).pop,
tooltip: L10n.of(context)!.close,
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),
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actions: [
Padding(
padding: const EdgeInsets.all(8.0),
child: OutlinedButton.icon(
onPressed: () => _joinRoom(context),
label: Text(L10n.of(context)!.joinRoom),
icon: const Icon(Icons.login_outlined),
),
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),
],
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),
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body: FutureBuilder<PublicRoomsChunk>(
future: _search(context),
builder: (context, snapshot) {
final profile = snapshot.data;
return ListView(
padding: EdgeInsets.zero,
children: [
if (profile == null)
Container(
height: 156,
alignment: Alignment.center,
color: Theme.of(context).secondaryHeaderColor,
child: snapshot.hasError
? Text(snapshot.error!.toLocalizedString(context))
: const CircularProgressIndicator.adaptive(
strokeWidth: 2,
),
)
else
Center(
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Avatar(
mxContent: profile.avatarUrl,
name: profile.name ?? roomAlias,
size: Avatar.defaultSize * 3,
fontSize: 36,
),
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),
),
ListTile(
title: Text(
profile?.name ??
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roomAlias?.localpart ??
chunk!.roomId.localpart ??
'',
),
subtitle: Text(
'${L10n.of(context)!.participant}: ${profile?.numJoinedMembers ?? 0}',
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),
trailing: const Icon(Icons.account_box_outlined),
),
if (profile?.topic?.isNotEmpty ?? false)
ListTile(
title: Text(
L10n.of(context)!.groupDescription,
style: TextStyle(
color: Theme.of(context).colorScheme.secondary,
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),
),
subtitle: Linkify(
text: profile!.topic!,
linkStyle: const TextStyle(color: Colors.blueAccent),
style: TextStyle(
fontSize: 14,
color: Theme.of(context).textTheme.bodyMedium!.color,
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),
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options: const LinkifyOptions(humanize: false),
onOpen: (url) =>
UrlLauncher(context, url.url).launchUrl(),
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),
),
],
);
},
),
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),
);
}
}