FurryChat/lib/components/matrix.dart
2020-02-20 20:45:38 +01:00

374 lines
12 KiB
Dart
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:firebase_messaging/firebase_messaging.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:localstorage/localstorage.dart';
import 'package:path_provider/path_provider.dart';
import 'package:toast/toast.dart';
import '../i18n/i18n.dart';
import '../utils/app_route.dart';
import '../utils/event_extension.dart';
import '../utils/famedlysdk_store.dart';
import '../utils/room_extension.dart';
import '../views/chat.dart';
class Matrix extends StatefulWidget {
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;
FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
FlutterLocalNotificationsPlugin _flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
Map<String, dynamic> shareContent;
String activeRoomId;
void clean() async {
if (!kIsWeb) return;
final LocalStorage storage = LocalStorage('LocalStorage');
await storage.ready;
await storage.deleteItem(widget.clientName);
}
BuildContext _loadingDialogContext;
Future<dynamic> tryRequestWithLoadingDialog(Future<dynamic> request,
{Function(MatrixException) onAdditionalAuth}) async {
showLoadingDialog(context);
final dynamic = await tryRequestWithErrorToast(request,
onAdditionalAuth: onAdditionalAuth);
hideLoadingDialog();
return dynamic;
}
Future<dynamic> tryRequestWithErrorToast(Future<dynamic> request,
{Function(MatrixException) onAdditionalAuth}) async {
try {
return await request;
} on MatrixException catch (exception) {
if (exception.requireAdditionalAuthentication &&
onAdditionalAuth != null) {
return await tryRequestWithErrorToast(onAdditionalAuth(exception));
} else {
Toast.show(
exception.errorMessage,
context,
duration: Toast.LENGTH_LONG,
);
}
} catch (exception) {
Toast.show(
exception.toString(),
context,
duration: Toast.LENGTH_LONG,
);
return false;
}
}
showLoadingDialog(BuildContext context) {
_loadingDialogContext = context;
showDialog(
context: _loadingDialogContext,
barrierDismissible: false,
builder: (BuildContext context) => AlertDialog(
content: Row(
children: <Widget>[
CircularProgressIndicator(),
SizedBox(width: 16),
Text(I18n.of(context).loadingPleaseWait),
],
),
),
);
}
hideLoadingDialog() => Navigator.of(_loadingDialogContext)?.pop();
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;
}
Future<void> setupFirebase() async {
if (Platform.isIOS) iOS_Permission();
final String token = await _firebaseMessaging.getToken();
if (token?.isEmpty ?? true) {
return Toast.show(
I18n.of(context).noGoogleServicesWarning,
context,
duration: 10,
);
}
await client.setPushers(
token,
"http",
"chat.fluffy.fluffychat",
widget.clientName,
client.deviceName,
"en",
"https://janian.de:7023/",
append: false,
format: "event_id_only",
);
Function goToRoom = (dynamic message) async {
try {
String roomId;
if (message is String) {
roomId = message;
} else if (message is Map) {
roomId = message["data"]["room_id"];
}
if (roomId?.isEmpty ?? true) throw ("Bad roomId");
await Navigator.of(context).pushAndRemoveUntil(
AppRoute.defaultRoute(
context,
ChatView(roomId),
),
(r) => r.isFirst);
} catch (_) {
Toast.show("Failed to open chat...", context);
debugPrint(_);
}
};
// 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);
_firebaseMessaging.configure(
onMessage: (Map<String, dynamic> message) async {
try {
final String roomId = message["data"]["room_id"];
final String eventId = message["data"]["event_id"];
final int unread = json.decode(message["data"]["counts"])["unread"];
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
? I18n.of(context).unreadMessagesInChats(
unreadEvents.toString(), unread.toString())
: I18n.of(context).unreadMessages(unreadEvents.toString());
// Calculate the body
final String body = event.getLocalizedBody(context,
withSenderNamePrefix: true, hideReply: true);
// The person object for the android message style notification
final person = Person(
name: room.getLocalizedDisplayname(context),
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,
ticker: I18n.of(context).newMessageInFluffyChat);
var iOSPlatformChannelSpecifics = IOSNotificationDetails();
var platformChannelSpecifics = NotificationDetails(
androidPlatformChannelSpecifics, iOSPlatformChannelSpecifics);
await _flutterLocalNotificationsPlugin.show(
0,
room.getLocalizedDisplayname(context),
body,
platformChannelSpecifics,
payload: roomId);
} catch (exception) {
debugPrint("[Push] Error while processing notification: " +
exception.toString());
}
return null;
},
onResume: goToRoom,
// Currently fires unexpectetly... https://github.com/FirebaseExtended/flutterfire/issues/1060
//onLaunch: goToRoom,
);
debugPrint("[Push] Firebase initialized");
return;
}
void iOS_Permission() {
_firebaseMessaging.requestNotificationPermissions(
IosNotificationSettings(sound: true, badge: true, alert: true));
_firebaseMessaging.onIosSettingsRegistered
.listen((IosNotificationSettings settings) {
debugPrint("Settings registered: $settings");
});
}
void _initWithStore() async {
Future<LoginState> initLoginState = client.onLoginStateChanged.stream.first;
client.storeAPI = kIsWeb ? Store(client) : ExtendedStore(client);
debugPrint(
"[Store] Store is extended: ${client.storeAPI.extended.toString()}");
if (await initLoginState == LoginState.logged && !kIsWeb) {
await setupFirebase();
}
}
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,
};
@override
void initState() {
if (widget.client == null) {
debugPrint("[Matrix] Init matrix client");
client = Client(widget.clientName, debug: false);
_initWithStore();
} else {
client = widget.client;
}
super.initState();
}
@override
void dispose() {
super.dispose();
}
@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.lazyLoadMembers != this.data.client.lazyLoadMembers ||
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;
}
}