Surface/lib/screens/chat.dart
2024-11-28 23:51:13 +08:00

103 lines
3.1 KiB
Dart

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:go_router/go_router.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:provider/provider.dart';
import 'package:surface/providers/channel.dart';
import 'package:surface/types/chat.dart';
import 'package:surface/widgets/account/account_image.dart';
import 'package:surface/widgets/dialog.dart';
import 'package:surface/widgets/loading_indicator.dart';
class ChatScreen extends StatefulWidget {
const ChatScreen({super.key});
@override
State<ChatScreen> createState() => _ChatScreenState();
}
class _ChatScreenState extends State<ChatScreen> {
bool _isBusy = true;
List<SnChannel>? _channels;
void _refreshChannels() {
final chan = context.read<ChatChannelProvider>();
chan.fetchChannels().listen((channels) {
if (mounted) setState(() => _channels = channels);
})
..onError((err) {
if (!mounted) return;
context.showErrorDialog(err);
setState(() => _isBusy = false);
})
..onDone(() {
if (!mounted) return;
setState(() => _isBusy = false);
});
}
@override
void initState() {
super.initState();
_refreshChannels();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('screenChat').tr(),
),
floatingActionButton: FloatingActionButton(
child: const Icon(Symbols.chat_add_on),
onPressed: () {
GoRouter.of(context).pushNamed('chatManage').then((value) {
if (value != null && context.mounted) _refreshChannels();
});
},
),
body: Column(
children: [
LoadingIndicator(isActive: _isBusy),
Expanded(
child: RefreshIndicator(
onRefresh: () => Future.sync(() => _refreshChannels()),
child: ListView.builder(
itemCount: _channels?.length ?? 0,
itemBuilder: (context, idx) {
final channel = _channels![idx];
return ListTile(
title: Text(channel.name),
subtitle: Text(
channel.description,
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
contentPadding: const EdgeInsets.symmetric(horizontal: 16),
leading: AccountImage(
content: null,
fallbackWidget: const Icon(Symbols.chat, size: 20),
),
onTap: () {
GoRouter.of(context).pushNamed(
'chatRoom',
pathParameters: {
'scope': channel.realm?.alias ?? 'global',
'alias': channel.alias,
},
).then((value) {
if (value == true) _refreshChannels();
});
},
);
},
),
),
),
],
),
);
}
}