From 86c9354cfd2d2f071e5b630802871da07ce0a26b Mon Sep 17 00:00:00 2001
From: krille-chan <christian-kussowski@posteo.de>
Date: Thu, 3 Oct 2024 16:04:52 +0200
Subject: [PATCH] refactor: Reuse flutter local notifications object

---
 lib/utils/background_push.dart | 56 ++++++++++++++++++++++------------
 lib/utils/push_helper.dart     | 28 ++---------------
 2 files changed, 39 insertions(+), 45 deletions(-)

diff --git a/lib/utils/background_push.dart b/lib/utils/background_push.dart
index 142ec7cf9..a7ce8c6de 100644
--- a/lib/utils/background_push.dart
+++ b/lib/utils/background_push.dart
@@ -70,31 +70,46 @@ class BackgroundPush {
 
   bool upAction = false;
 
-  BackgroundPush._(this.client) {
-    firebase?.setListeners(
-      onMessage: (message) => pushHelper(
-        PushNotification.fromJson(
-          Map<String, dynamic>.from(message['data'] ?? message),
+  void _init() async {
+    try {
+      await _flutterLocalNotificationsPlugin.initialize(
+        const InitializationSettings(
+          android: AndroidInitializationSettings('notifications_icon'),
+          iOS: DarwinInitializationSettings(),
         ),
-        client: client,
-        l10n: l10n,
-        activeRoomId: matrix?.activeRoomId,
-        onSelectNotification: goToRoom,
-      ),
-    );
-    if (Platform.isAndroid) {
-      UnifiedPush.initialize(
-        onNewEndpoint: _newUpEndpoint,
-        onRegistrationFailed: _upUnregistered,
-        onUnregistered: _upUnregistered,
-        onMessage: _onUpMessage,
+        onDidReceiveNotificationResponse: goToRoom,
       );
+      Logs().v('Flutter Local Notifications initialized');
+      firebase?.setListeners(
+        onMessage: (message) => pushHelper(
+          PushNotification.fromJson(
+            Map<String, dynamic>.from(message['data'] ?? message),
+          ),
+          client: client,
+          l10n: l10n,
+          activeRoomId: matrix?.activeRoomId,
+          flutterLocalNotificationsPlugin: _flutterLocalNotificationsPlugin,
+        ),
+      );
+      if (Platform.isAndroid) {
+        await UnifiedPush.initialize(
+          onNewEndpoint: _newUpEndpoint,
+          onRegistrationFailed: _upUnregistered,
+          onUnregistered: _upUnregistered,
+          onMessage: _onUpMessage,
+        );
+      }
+    } catch (e, s) {
+      Logs().e('Unable to initialize Flutter local notifications', e, s);
     }
   }
 
+  BackgroundPush._(this.client) {
+    _init();
+  }
+
   factory BackgroundPush.clientOnly(Client client) {
-    _instance ??= BackgroundPush._(client);
-    return _instance!;
+    return _instance ??= BackgroundPush._(client);
   }
 
   factory BackgroundPush(
@@ -110,7 +125,7 @@ class BackgroundPush {
 
   Future<void> cancelNotification(String roomId) async {
     Logs().v('Cancel notification for room', roomId);
-    await FlutterLocalNotificationsPlugin().cancel(roomId.hashCode);
+    await _flutterLocalNotificationsPlugin.cancel(roomId.hashCode);
 
     // Workaround for app icon badge not updating
     if (Platform.isIOS) {
@@ -400,6 +415,7 @@ class BackgroundPush {
       client: client,
       l10n: l10n,
       activeRoomId: matrix?.activeRoomId,
+      flutterLocalNotificationsPlugin: _flutterLocalNotificationsPlugin,
     );
   }
 }
diff --git a/lib/utils/push_helper.dart b/lib/utils/push_helper.dart
index 66c2d0196..ff6c5934e 100644
--- a/lib/utils/push_helper.dart
+++ b/lib/utils/push_helper.dart
@@ -22,7 +22,7 @@ Future<void> pushHelper(
   Client? client,
   L10n? l10n,
   String? activeRoomId,
-  void Function(NotificationResponse?)? onSelectNotification,
+  required FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin,
 }) async {
   try {
     await _tryPushHelper(
@@ -30,22 +30,11 @@ Future<void> pushHelper(
       client: client,
       l10n: l10n,
       activeRoomId: activeRoomId,
-      onSelectNotification: onSelectNotification,
+      flutterLocalNotificationsPlugin: flutterLocalNotificationsPlugin,
     );
   } catch (e, s) {
     Logs().v('Push Helper has crashed!', e, s);
 
-    // Initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
-    final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
-    await flutterLocalNotificationsPlugin.initialize(
-      const InitializationSettings(
-        android: AndroidInitializationSettings('notifications_icon'),
-        iOS: DarwinInitializationSettings(),
-      ),
-      onDidReceiveNotificationResponse: onSelectNotification,
-      onDidReceiveBackgroundNotificationResponse: onSelectNotification,
-    );
-
     l10n ??= lookupL10n(const Locale('en'));
     flutterLocalNotificationsPlugin.show(
       notification.roomId?.hashCode ?? 0,
@@ -76,7 +65,7 @@ Future<void> _tryPushHelper(
   Client? client,
   L10n? l10n,
   String? activeRoomId,
-  void Function(NotificationResponse?)? onSelectNotification,
+  required FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin,
 }) async {
   final isBackgroundMessage = client == null;
   Logs().v(
@@ -91,17 +80,6 @@ Future<void> _tryPushHelper(
     return;
   }
 
-  // Initialise the plugin. app_icon needs to be a added as a drawable resource to the Android head project
-  final flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
-  await flutterLocalNotificationsPlugin.initialize(
-    const InitializationSettings(
-      android: AndroidInitializationSettings('notifications_icon'),
-      iOS: DarwinInitializationSettings(),
-    ),
-    onDidReceiveNotificationResponse: onSelectNotification,
-    //onDidReceiveBackgroundNotificationResponse: onSelectNotification,
-  );
-
   client ??= (await ClientManager.getClients(
     initialize: false,
     store: await SharedPreferences.getInstance(),