fluffychat/lib/components/matrix.dart

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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: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:localstorage/localstorage.dart';
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import 'package:path_provider/path_provider.dart';
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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';
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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;
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FirebaseMessaging _firebaseMessaging = FirebaseMessaging();
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FlutterLocalNotificationsPlugin _flutterLocalNotificationsPlugin =
FlutterLocalNotificationsPlugin();
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Map<String, dynamic> shareContent;
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String activeRoomId;
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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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}
BuildContext _loadingDialogContext;
Future<dynamic> tryRequestWithLoadingDialog(Future<dynamic> request) async {
showLoadingDialog(context);
final dynamic = await tryRequestWithErrorToast(request);
hideLoadingDialog();
return dynamic;
}
Future<dynamic> tryRequestWithErrorToast(Future<dynamic> request) async {
try {
return await request;
} 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),
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Text(I18n.of(context).loadingPleaseWait),
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],
),
),
);
}
hideLoadingDialog() => Navigator.of(_loadingDialogContext)?.pop();
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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();
final String token = await _firebaseMessaging.getToken();
if (token?.isEmpty ?? true) {
return Toast.show(
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I18n.of(context).noGoogleServicesWarning,
context,
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duration: 10,
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);
}
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) {
roomId = message["data"]["room_id"];
}
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 (_) {
Toast.show("Failed to open chat...", context);
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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 {
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
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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,
withSenderNamePrefix: true, hideQuotes: 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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@override
void initState() {
if (widget.client == null) {
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debugPrint("[Matrix] Init matrix client");
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client = Client(widget.clientName, debug: false);
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_initWithStore();
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} else {
client = widget.client;
}
super.initState();
}
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@override
void dispose() {
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.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;
}
}