fluffychat/lib/views/home_view_parts/chat_list.dart

271 lines
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Dart
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import 'dart:async';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:fluffychat/components/connection_status_header.dart';
import 'package:fluffychat/components/default_app_bar_search_field.dart';
import 'package:fluffychat/components/list_items/chat_list_item.dart';
import 'package:fluffychat/components/matrix.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:future_loading_dialog/future_loading_dialog.dart';
enum SelectMode { normal, select }
class ChatList extends StatefulWidget {
final String activeChat;
final void Function(AppBar appBar) onCustomAppBar;
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final Stream onAppBarButtonTap;
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const ChatList({
Key key,
this.activeChat,
this.onCustomAppBar,
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this.onAppBarButtonTap,
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}) : super(key: key);
@override
_ChatListState createState() => _ChatListState();
}
class _ChatListState extends State<ChatList> {
bool get searchMode => searchController.text?.isNotEmpty ?? false;
final TextEditingController searchController = TextEditingController();
final _selectedRoomIds = <String>{};
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final ScrollController _scrollController = ScrollController();
StreamSubscription _onAppBarButtonTapSub;
final GlobalKey<DefaultAppBarSearchFieldState> _searchField = GlobalKey();
@override
void initState() {
_onAppBarButtonTapSub =
widget.onAppBarButtonTap.where((i) => i == 1).listen((_) async {
await _scrollController.animateTo(
_scrollController.position.minScrollExtent,
duration: Duration(milliseconds: 200),
curve: Curves.ease,
);
WidgetsBinding.instance.addPostFrameCallback(
(_) => _searchField.currentState.requestFocus(),
);
});
super.initState();
}
@override
void dispose() {
_onAppBarButtonTapSub?.cancel();
super.dispose();
}
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void _toggleSelection(String roomId) {
setState(() => _selectedRoomIds.contains(roomId)
? _selectedRoomIds.remove(roomId)
: _selectedRoomIds.add(roomId));
widget.onCustomAppBar(
_selectedRoomIds.isEmpty
? null
: AppBar(
centerTitle: false,
leading: IconButton(
icon: Icon(Icons.close_outlined),
onPressed: () {
_selectedRoomIds.clear();
widget.onCustomAppBar(null);
},
),
title: Text(
L10n.of(context)
.numberSelected(_selectedRoomIds.length.toString()),
),
actions: [
if (_selectedRoomIds.length == 1)
IconButton(
tooltip: L10n.of(context).toggleUnread,
icon: Icon(Matrix.of(context)
.client
.getRoomById(_selectedRoomIds.single)
.isUnread
? Icons.mark_chat_read_outlined
: Icons.mark_chat_unread_outlined),
onPressed: () => _toggleUnread(context),
),
if (_selectedRoomIds.length == 1)
IconButton(
tooltip: L10n.of(context).toggleFavorite,
icon: Icon(Icons.push_pin_outlined),
onPressed: () => _toggleFavouriteRoom(context),
),
if (_selectedRoomIds.length == 1)
IconButton(
icon: Icon(Matrix.of(context)
.client
.getRoomById(_selectedRoomIds.single)
.pushRuleState ==
PushRuleState.notify
? Icons.notifications_off_outlined
: Icons.notifications_outlined),
tooltip: L10n.of(context).toggleMuted,
onPressed: () => _toggleMuted(context),
),
IconButton(
icon: Icon(Icons.archive_outlined),
tooltip: L10n.of(context).archive,
onPressed: () => _archiveAction(context),
),
],
),
);
}
Future<void> _toggleUnread(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return showFutureLoadingDialog(
context: context,
future: () => room.setUnread(!room.isUnread),
);
}
Future<void> _toggleFavouriteRoom(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return showFutureLoadingDialog(
context: context,
future: () => room.setFavourite(!room.isFavourite),
);
}
Future<void> _toggleMuted(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return showFutureLoadingDialog(
context: context,
future: () => room.setPushRuleState(
room.pushRuleState == PushRuleState.notify
? PushRuleState.mentions_only
: PushRuleState.notify),
);
}
Future<void> _archiveAction(BuildContext context) async {
final confirmed = await showOkCancelAlertDialog(
context: context,
title: L10n.of(context).areYouSure,
) ==
OkCancelResult.ok;
if (!confirmed) return;
await showFutureLoadingDialog(
context: context,
future: () => _archiveSelectedRooms(context),
);
setState(() => null);
}
Future<void> _archiveSelectedRooms(BuildContext context) async {
final client = Matrix.of(context).client;
while (_selectedRoomIds.isNotEmpty) {
final roomId = _selectedRoomIds.first;
await client.getRoomById(roomId).leave();
_toggleSelection(roomId);
}
}
Future<void> waitForFirstSync(BuildContext context) async {
var client = Matrix.of(context).client;
if (client.prevBatch?.isEmpty ?? true) {
await client.onFirstSync.stream.first;
}
return true;
}
@override
Widget build(BuildContext context) {
final selectMode =
_selectedRoomIds.isEmpty ? SelectMode.normal : SelectMode.select;
return Column(children: [
ConnectionStatusHeader(),
Expanded(
child: StreamBuilder(
stream: Matrix.of(context)
.client
.onSync
.stream
.where((s) => s.hasRoomUpdate),
builder: (context, snapshot) {
return FutureBuilder<void>(
future: waitForFirstSync(context),
builder: (BuildContext context, snapshot) {
if (snapshot.hasData) {
var rooms =
List<Room>.from(Matrix.of(context).client.rooms);
rooms.removeWhere((room) =>
room.lastEvent == null ||
(searchMode &&
!room.displayname.toLowerCase().contains(
searchController.text.toLowerCase() ?? '')));
if (rooms.isEmpty && (!searchMode)) {
return Column(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Icon(
searchMode
? Icons.search_outlined
: Icons.maps_ugc_outlined,
size: 80,
color: Colors.grey,
),
Text(
searchMode
? L10n.of(context).noRoomsFound
: L10n.of(context).startYourFirstChat,
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textAlign: TextAlign.center,
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style: TextStyle(
color: Colors.grey,
fontSize: 16,
),
),
],
);
}
final totalCount = rooms.length;
return ListView.builder(
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controller: _scrollController,
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itemCount: totalCount + 1,
itemBuilder: (BuildContext context, int i) => i == 0
? Padding(
padding: EdgeInsets.all(12),
child: DefaultAppBarSearchField(
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key: _searchField,
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hintText: L10n.of(context).search,
prefixIcon: Icon(Icons.search_outlined),
searchController: searchController,
onChanged: (_) => setState(() => null),
padding: EdgeInsets.zero,
),
)
: ChatListItem(
rooms[i - 1],
selected:
_selectedRoomIds.contains(rooms[i - 1].id),
onTap: selectMode == SelectMode.select &&
widget.onCustomAppBar != null
? () => _toggleSelection(rooms[i - 1].id)
: null,
onLongPress: widget.onCustomAppBar != null
? () => _toggleSelection(rooms[i - 1].id)
: null,
activeChat: widget.activeChat == rooms[i - 1].id,
),
);
} else {
return Center(
child: CircularProgressIndicator(),
);
}
},
);
}),
),
]);
}
}