import 'dart:async';
import 'dart:io';
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/default_drawer.dart';
import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
import 'package:fluffychat/app_config.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:receive_sharing_intent/receive_sharing_intent.dart';
import '../components/adaptive_page_layout.dart';
import '../components/list_items/chat_list_item.dart';
import '../components/matrix.dart';
import '../utils/app_route.dart';
import '../utils/matrix_file_extension.dart';
import '../utils/url_launcher.dart';
import 'empty_page.dart';
import 'homeserver_picker.dart';
import 'new_private_chat.dart';
enum SelectMode { normal, share, select }
class ChatListView extends StatelessWidget {
@override
Widget build(BuildContext context) {
return AdaptivePageLayout(
primaryPage: FocusPage.FIRST,
firstScaffold: ChatList(),
secondScaffold: EmptyPage(),
);
}
}
class ChatList extends StatefulWidget {
final String activeChat;
const ChatList({this.activeChat, Key key}) : 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>{};
final ScrollController _scrollController = ScrollController();
bool _scrolledToTop = true;
void _toggleSelection(String roomId) =>
setState(() => _selectedRoomIds.contains(roomId)
? _selectedRoomIds.remove(roomId)
: _selectedRoomIds.add(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
void initState() {
_scrollController.addListener(() async {
if (_scrollController.position.pixels > 0 && _scrolledToTop) {
setState(() => _scrolledToTop = false);
} else if (_scrollController.position.pixels == 0 && !_scrolledToTop) {
setState(() => _scrolledToTop = true);
}
});
_initReceiveSharingIntent();
super.initState();
}
StreamSubscription _intentDataStreamSubscription;
StreamSubscription _intentFileStreamSubscription;
void _processIncomingSharedFiles(List<SharedMediaFile> files) {
if (files?.isEmpty ?? true) return;
if (Navigator.of(context).canPop()) {
Navigator.of(context).popUntil((r) => r.isFirst);
}
final file = File(files.first.path);
Matrix.of(context).shareContent = {
'msgtype': 'chat.fluffy.shared_file',
'file': MatrixFile(
bytes: file.readAsBytesSync(),
name: file.path,
).detectFileType,
};
}
void _processIncomingSharedText(String text) {
if (text == null) return;
if (Navigator.of(context).canPop()) {
Navigator.of(context).popUntil((r) => r.isFirst);
}
if (text.startsWith(AppConfig.inviteLinkPrefix)) {
UrlLauncher(context, text).openMatrixToUrl();
return;
}
Matrix.of(context).shareContent = {
'msgtype': 'm.text',
'body': text,
};
}
void _initReceiveSharingIntent() {
if (!PlatformInfos.isMobile) return;
// For sharing images coming from outside the app while the app is in the memory
_intentFileStreamSubscription = ReceiveSharingIntent.getMediaStream()
.listen(_processIncomingSharedFiles, onError: print);
// For sharing images coming from outside the app while the app is closed
ReceiveSharingIntent.getInitialMedia().then(_processIncomingSharedFiles);
// For sharing or opening urls/text coming from outside the app while the app is in the memory
_intentDataStreamSubscription = ReceiveSharingIntent.getTextStream()
.listen(_processIncomingSharedText, onError: print);
// For sharing or opening urls/text coming from outside the app while the app is closed
ReceiveSharingIntent.getInitialText().then(_processIncomingSharedText);
}
@override
void dispose() {
_intentDataStreamSubscription?.cancel();
_intentFileStreamSubscription?.cancel();
super.dispose();
}
Future<void> _toggleUnread(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return SimpleDialogs(context).tryRequestWithLoadingDialog(
room.setUnread(!room.isUnread),
);
}
Future<void> _toggleFavouriteRoom(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return SimpleDialogs(context).tryRequestWithLoadingDialog(
room.setFavourite(!room.isFavourite),
);
}
Future<void> _toggleMuted(BuildContext context) {
final room = Matrix.of(context).client.getRoomById(_selectedRoomIds.single);
return SimpleDialogs(context).tryRequestWithLoadingDialog(
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 SimpleDialogs(context)
.tryRequestWithLoadingDialog(_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();
_selectedRoomIds.remove(roomId);
}
}
@override
Widget build(BuildContext context) {
return StreamBuilder<LoginState>(
stream: Matrix.of(context).client.onLoginStateChanged.stream,
builder: (context, snapshot) {
if (snapshot.data == LoginState.loggedOut) {
Timer(Duration(seconds: 1), () {
Matrix.of(context).clean();
Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(context, HomeserverPicker()),
(r) => false);
});
}
return StreamBuilder(
stream: Matrix.of(context).onShareContentChanged.stream,
builder: (context, snapshot) {
final selectMode = Matrix.of(context).shareContent == null
? _selectedRoomIds.isEmpty
? SelectMode.normal
: SelectMode.select
: SelectMode.share;
if (selectMode == SelectMode.share) {
_selectedRoomIds.clear();
}
return Scaffold(
drawer:
selectMode != SelectMode.normal ? null : DefaultDrawer(),
appBar: AppBar(
centerTitle: false,
elevation: _scrolledToTop ? 0 : null,
leading: selectMode == SelectMode.share
? IconButton(
icon: Icon(Icons.close),
onPressed: () =>
Matrix.of(context).shareContent = null,
)
: selectMode == SelectMode.select
? IconButton(
icon: Icon(Icons.close),
onPressed: () =>
setState(_selectedRoomIds.clear),
)
: null,
titleSpacing: 0,
actions: selectMode != SelectMode.select
? null
: [
if (_selectedRoomIds.length == 1)
IconButton(
tooltip: L10n.of(context).toggleUnread,
icon: Icon(Icons.mark_chat_unread_outlined),
onPressed: () => _toggleUnread(context),
),
if (_selectedRoomIds.length == 1)
IconButton(
tooltip: L10n.of(context).toggleFavorite,
icon: Icon(Icons.favorite_border_outlined),
onPressed: () => _toggleFavouriteRoom(context),
),
if (_selectedRoomIds.length == 1)
IconButton(
icon: Icon(Icons.notifications_none_outlined),
tooltip: L10n.of(context).toggleMuted,
onPressed: () => _toggleMuted(context),
),
IconButton(
icon: Icon(Icons.archive_outlined),
tooltip: L10n.of(context).archive,
onPressed: () => _archiveAction(context),
),
],
title: selectMode == SelectMode.share
? Text(L10n.of(context).share)
: selectMode == SelectMode.select
? Text(_selectedRoomIds.length.toString())
: DefaultAppBarSearchField(
searchController: searchController,
onChanged: (_) => setState(() => null),
),
),
floatingActionButton: AdaptivePageLayout.columnMode(context)
? null
: FloatingActionButton(
child: Icon(Icons.add_outlined),
backgroundColor: Theme.of(context).primaryColor,
onPressed: () => Navigator.of(context)
.pushAndRemoveUntil(
AppRoute.defaultRoute(
context, NewPrivateChatView()),
(r) => r.isFirst),
),
body: Column(
children: [
ConnectionStatusHeader(),
Expanded(
child: StreamBuilder(
stream:
Matrix.of(context).client.onSync.stream.where(
(s) =>
s.hasRoomUpdate ||
s.accountData
.where((a) =>
a.type ==
MatrixState.userStatusesType)
.isNotEmpty,
),
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) =>
room.lastEvent == null ||
(searchMode &&
!room.displayname
.toLowerCase()
.contains(searchController.text
.toLowerCase() ??
'')));
if (rooms.isEmpty && (!searchMode)) {
return Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
Icon(
searchMode
? Icons.search_outlined
: Icons.chat_bubble_outline,
size: 80,
color: Colors.grey,
),
Text(searchMode
? L10n.of(context).noRoomsFound
: L10n.of(context)
.startYourFirstChat),
],
),
);
}
final totalCount = rooms.length;
return ListView.separated(
controller: _scrollController,
separatorBuilder: (BuildContext context,
int i) =>
i == totalCount
? ListTile(
title: Text(
L10n.of(context)
.publicRooms +
':',
style: TextStyle(
fontWeight:
FontWeight.bold,
color: Theme.of(context)
.primaryColor,
),
),
)
: Container(),
itemCount: totalCount,
itemBuilder:
(BuildContext context, int i) =>
ChatListItem(
rooms[i],
selected: _selectedRoomIds
.contains(rooms[i].id),
onTap: selectMode == SelectMode.select
? () =>
_toggleSelection(rooms[i].id)
: null,
onLongPress: selectMode !=
SelectMode.share
? () =>
_toggleSelection(rooms[i].id)
: null,
activeChat:
widget.activeChat == rooms[i].id,
),
);
} else {
return Center(
child: CircularProgressIndicator(),
);
}
},
);
}),
),
],
),
);
});
});
}
}