fluffychat/lib/pages/chat/seen_by_row.dart
2026-03-03 17:08:42 +01:00

91 lines
2.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:matrix/matrix.dart';
import 'package:fluffychat/config/themes.dart';
import 'package:fluffychat/widgets/avatar.dart';
import 'package:fluffychat/widgets/matrix.dart';
class SeenByRow extends StatelessWidget {
final Event event;
const SeenByRow({super.key, required this.event});
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
const maxAvatars = 7;
return StreamBuilder(
stream: event.room.client.onSync.stream.where(
(syncUpdate) =>
syncUpdate.rooms?.join?[event.room.id]?.ephemeral?.any(
(ephemeral) => ephemeral.type == 'm.receipt',
) ??
false,
),
builder: (context, asyncSnapshot) {
final seenByUsers = event.receipts
.map((r) => r.user)
.where(
(user) =>
user.id != event.room.client.userID &&
user.id != event.senderId,
)
.toList();
return Container(
width: double.infinity,
alignment: Alignment.center,
child: AnimatedContainer(
constraints: const BoxConstraints(
maxWidth: FluffyThemes.maxTimelineWidth,
),
height: seenByUsers.isEmpty ? 0 : 24,
duration: seenByUsers.isEmpty
? Duration.zero
: FluffyThemes.animationDuration,
curve: FluffyThemes.animationCurve,
alignment: event.senderId == Matrix.of(context).client.userID
? Alignment.topRight
: Alignment.topLeft,
padding: const EdgeInsets.only(
bottom: 4,
top: 1,
left: 8,
right: 8,
),
child: Wrap(
spacing: 4,
children: [
...(seenByUsers.length > maxAvatars
? seenByUsers.sublist(0, maxAvatars)
: seenByUsers)
.map(
(user) => Avatar(
mxContent: user.avatarUrl,
name: user.calcDisplayname(),
size: 16,
),
),
if (seenByUsers.length > maxAvatars)
SizedBox(
width: 16,
height: 16,
child: Material(
color: theme.colorScheme.surface,
borderRadius: BorderRadius.circular(32),
child: Center(
child: Text(
'+${seenByUsers.length - maxAvatars}',
style: const TextStyle(fontSize: 9),
),
),
),
),
],
),
),
);
},
);
}
}