fluffychat/lib/components/matrix.dart

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import 'dart:async';
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import 'dart:convert';
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import 'dart:io';
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import 'package:famedlysdk/famedlysdk.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
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import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
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import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
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import 'package:flutter_local_notifications/flutter_local_notifications.dart';
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import 'package:flutter_styled_toast/flutter_styled_toast.dart';
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import 'package:localstorage/localstorage.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:url_launcher/url_launcher.dart';
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import '../i18n/i18n.dart';
import '../utils/app_route.dart';
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import '../utils/beautify_string_extension.dart';
import '../utils/event_extension.dart';
import '../utils/famedlysdk_store.dart';
import '../utils/room_extension.dart';
import '../views/chat.dart';
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import 'avatar.dart';
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class Matrix extends StatefulWidget {
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static const String callNamespace = 'chat.fluffy.jitsi_call';
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static const String defaultHomeserver = 'tchncs.de';
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final Widget child;
final String clientName;
final Client client;
Matrix({this.child, this.clientName, this.client, Key key}) : super(key: key);
@override
MatrixState createState() => MatrixState();
/// Returns the (nearest) Client instance of your application.
static MatrixState of(BuildContext context) {
MatrixState newState =
(context.dependOnInheritedWidgetOfExactType<_InheritedMatrix>()).data;
newState.context = context;
return newState;
}
}
class MatrixState extends State<Matrix> {
Client client;
BuildContext context;
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FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
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FlutterLocalNotificationsPlugin _flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
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Map<String, dynamic> get shareContent => _shareContent;
set shareContent(Map<String, dynamic> content) {
_shareContent = content;
onShareContentChanged.add(_shareContent);
}
Map<String, dynamic> _shareContent;
final StreamController<Map<String, dynamic>> onShareContentChanged =
StreamController.broadcast();
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String activeRoomId;
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File wallpaper;
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String jitsiInstance = 'https://meet.jit.si/';
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void clean() async {
if (!kIsWeb) return;
final LocalStorage storage = LocalStorage('LocalStorage');
await storage.ready;
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await storage.deleteItem(widget.clientName);
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}
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Future<String> downloadAndSaveContent(MxContent content,
{int width, int height, ThumbnailMethod method}) async {
final bool thumbnail = width == null && height == null ? false : true;
final String tempDirectory = (await getTemporaryDirectory()).path;
final String prefix = thumbnail ? "thumbnail" : "";
File file = File('$tempDirectory/${prefix}_${content.mxc.split("/").last}');
if (!file.existsSync()) {
final url = thumbnail
? content.getThumbnail(client,
width: width, height: height, method: method)
: content.getDownloadLink(client);
var request = await HttpClient().getUrl(Uri.parse(url));
var response = await request.close();
var bytes = await consolidateHttpClientResponseBytes(response);
await file.writeAsBytes(bytes);
}
return file.path;
}
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Future<void> setupFirebase() async {
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if (Platform.isIOS) iOS_Permission();
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String token;
try {
token = await _firebaseMessaging.getToken();
} catch (_) {
token = null;
}
if (token?.isEmpty ?? true) {
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showToast(
I18n.of(context).noGoogleServicesWarning,
duration: Duration(seconds: 15),
);
return;
}
await client.setPushers(
token,
"http",
"chat.fluffy.fluffychat",
widget.clientName,
client.deviceName,
"en",
"https://janian.de:7023/",
append: false,
format: "event_id_only",
);
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Function goToRoom = (dynamic message) async {
try {
String roomId;
if (message is String) {
roomId = message;
} else if (message is Map) {
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roomId = (message["data"] ?? message)["room_id"];
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}
if (roomId?.isEmpty ?? true) throw ("Bad roomId");
await Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(
context,
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ChatView(roomId),
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),
(r) => r.isFirst);
} catch (_) {
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showToast("Failed to open chat...");
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debugPrint(_);
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}
};
// initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
var initializationSettingsAndroid =
AndroidInitializationSettings('notifications_icon');
var initializationSettingsIOS =
IOSInitializationSettings(onDidReceiveLocalNotification: (i, a, b, c) {
return null;
});
var initializationSettings = InitializationSettings(
initializationSettingsAndroid, initializationSettingsIOS);
await _flutterLocalNotificationsPlugin.initialize(initializationSettings,
onSelectNotification: goToRoom);
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_firebaseMessaging.configure(
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onMessage: (Map<String, dynamic> message) async {
try {
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final data = message['data'] ?? message;
final String roomId = data["room_id"];
final String eventId = data["event_id"];
final int unread = json.decode(data["counts"])["unread"];
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if ((roomId?.isEmpty ?? true) ||
(eventId?.isEmpty ?? true) ||
unread == 0) {
await _flutterLocalNotificationsPlugin.cancelAll();
return null;
}
if (activeRoomId == roomId) return null;
// Get the room
Room room = client.getRoomById(roomId);
if (room == null) {
await client.onRoomUpdate.stream
.where((u) => u.id == roomId)
.first
.timeout(Duration(seconds: 10));
room = client.getRoomById(roomId);
if (room == null) return null;
}
// Get the event
Event event = await client.store.getEventById(eventId, room);
if (event == null) {
final EventUpdate eventUpdate = await client.onEvent.stream
.where((u) => u.content["event_id"] == eventId)
.first
.timeout(Duration(seconds: 10));
event = Event.fromJson(eventUpdate.content, room);
if (room == null) return null;
}
// Count all unread events
int unreadEvents = 0;
client.rooms
.forEach((Room room) => unreadEvents += room.notificationCount);
// Calculate title
final String title = unread > 1
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? I18n.of(context).unreadMessagesInChats(
unreadEvents.toString(), unread.toString())
: I18n.of(context).unreadMessages(unreadEvents.toString());
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// Calculate the body
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final String body = event.getLocalizedBody(context,
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withSenderNamePrefix: true, hideReply: true);
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// The person object for the android message style notification
final person = Person(
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name: room.getLocalizedDisplayname(context),
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icon: room.avatar.mxc.isEmpty
? null
: await downloadAndSaveContent(
room.avatar,
width: 126,
height: 126,
),
iconSource: IconSource.FilePath,
);
// Show notification
var androidPlatformChannelSpecifics = AndroidNotificationDetails(
'fluffychat_push',
'FluffyChat push channel',
'Push notifications for FluffyChat',
style: AndroidNotificationStyle.Messaging,
styleInformation: MessagingStyleInformation(
person,
conversationTitle: title,
messages: [
Message(
body,
event.time,
person,
)
],
),
importance: Importance.Max,
priority: Priority.High,
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ticker: I18n.of(context).newMessageInFluffyChat);
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var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
await _flutterLocalNotificationsPlugin.show(
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0,
room.getLocalizedDisplayname(context),
body,
platformChannelSpecifics,
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payload: roomId);
} catch (exception) {
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debugPrint("[Push] Error while processing notification: " +
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exception.toString());
}
return null;
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},
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onResume: goToRoom,
// Currently fires unexpectetly... https://github.com/FirebaseExtended/flutterfire/issues/1060
//onLaunch: goToRoom,
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);
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debugPrint("[Push] Firebase initialized");
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return;
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}
void iOS_Permission() {
_firebaseMessaging.requestNotificationPermissions(
IosNotificationSettings(sound: true, badge: true, alert: true));
_firebaseMessaging.onIosSettingsRegistered
.listen((IosNotificationSettings settings) {
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debugPrint("Settings registered: $settings");
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});
}
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void _initWithStore() async {
Future<LoginState> initLoginState = client.onLoginStateChanged.stream.first;
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client.storeAPI = kIsWeb ? Store(client) : ExtendedStore(client);
debugPrint(
"[Store] Store is extended: ${client.storeAPI.extended.toString()}");
if (await initLoginState == LoginState.logged && !kIsWeb) {
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await setupFirebase();
}
}
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Map<String, dynamic> getAuthByPassword(String password, String session) => {
"type": "m.login.password",
"identifier": {
"type": "m.id.user",
"user": client.userID,
},
"user": client.userID,
"password": password,
"session": session,
};
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StreamSubscription onRoomKeyRequestSub;
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StreamSubscription onJitsiCallSub;
void onJitsiCall(EventUpdate eventUpdate) {
final event = Event.fromJson(
eventUpdate.content, client.getRoomById(eventUpdate.roomID));
if (DateTime.now().millisecondsSinceEpoch -
event.time.millisecondsSinceEpoch >
1000 * 60 * 5) {
return;
}
final senderName = event.sender.calcDisplayname();
final senderAvatar = event.sender.avatarUrl;
showDialog(
context: context,
builder: (context) => AlertDialog(
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title: Text(I18n.of(context).videoCall),
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content: Column(
mainAxisSize: MainAxisSize.min,
children: <Widget>[
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ListTile(
contentPadding: EdgeInsets.all(0),
leading: Avatar(senderAvatar, senderName),
title: Text(
senderName,
style: TextStyle(fontSize: 18),
),
subtitle:
event.room.isDirectChat ? null : Text(event.room.displayname),
),
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Divider(),
Row(
children: <Widget>[
Spacer(),
FloatingActionButton(
backgroundColor: Colors.red,
child: Icon(Icons.phone_missed),
onPressed: () => Navigator.of(context).pop(),
),
Spacer(),
FloatingActionButton(
backgroundColor: Colors.green,
child: Icon(Icons.phone),
onPressed: () {
Navigator.of(context).pop();
launch(event.body);
},
),
Spacer(),
],
),
],
),
),
);
return;
}
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@override
void initState() {
if (widget.client == null) {
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debugPrint("[Matrix] Init matrix client");
client = Client(widget.clientName, debug: false);
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onJitsiCallSub ??= client.onEvent.stream
.where((e) =>
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e.type == 'timeline' &&
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e.eventType == 'm.room.message' &&
e.content['content']['msgtype'] == Matrix.callNamespace &&
e.content['sender'] != client.userID)
.listen(onJitsiCall);
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onRoomKeyRequestSub ??=
client.onRoomKeyRequest.stream.listen((RoomKeyRequest request) async {
final Room room = request.room;
final User sender = room.getUserByMXIDSync(request.sender);
if (await SimpleDialogs(context).askConfirmation(
titleText: I18n.of(context).requestToReadOlderMessages,
contentText:
"${sender.id}\n\n${I18n.of(context).device}:\n${request.requestingDevice.deviceId}\n\n${I18n.of(context).identity}:\n${request.requestingDevice.curve25519Key.beautified}",
confirmText: I18n.of(context).verify,
cancelText: I18n.of(context).deny,
)) {
await request.forwardKey();
}
});
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_initWithStore();
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} else {
client = widget.client;
}
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if (client.storeAPI != null) {
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client.storeAPI
.getItem("chat.fluffy.jitsi_instance")
.then((final instance) => jitsiInstance = instance ?? jitsiInstance);
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client.storeAPI.getItem("chat.fluffy.wallpaper").then((final path) async {
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if (path == null) return;
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final file = File(path);
if (await file.exists()) {
wallpaper = file;
}
});
}
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super.initState();
}
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@override
void dispose() {
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onRoomKeyRequestSub?.cancel();
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onJitsiCallSub?.cancel();
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super.dispose();
}
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@override
Widget build(BuildContext context) {
return _InheritedMatrix(
data: this,
child: widget.child,
);
}
}
class _InheritedMatrix extends InheritedWidget {
final MatrixState data;
_InheritedMatrix({Key key, this.data, Widget child})
: super(key: key, child: child);
@override
bool updateShouldNotify(_InheritedMatrix old) {
bool update = old.data.client.accessToken != this.data.client.accessToken ||
old.data.client.userID != this.data.client.userID ||
old.data.client.matrixVersions != this.data.client.matrixVersions ||
old.data.client.deviceID != this.data.client.deviceID ||
old.data.client.deviceName != this.data.client.deviceName ||
old.data.client.homeserver != this.data.client.homeserver;
return update;
}
}