neon: Add large icons for push notification

packages/app/pubspec.lock

@@ -33,6 +33,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.11.0"
+  bitmap:
+    dependency: transitive
+    description:
+      name: bitmap
+      sha256: d4ec0147d64eff00efbbeead5c04d517ea4fbb528022adaa3551e3586e80f4d4
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.3"
   boolean_selector:
     dependency: transitive
     description:

packages/neon/neon/lib/neon.dart

@@ -3,7 +3,10 @@ library neon;
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
+import 'dart:math';
+import 'dart:ui';
 
+import 'package:bitmap/bitmap.dart';
 import 'package:crypto/crypto.dart';
 import 'package:file_picker/file_picker.dart';
 import 'package:filesize/filesize.dart';

packages/neon/neon/lib/src/utils/push_utils.dart

@@ -76,15 +76,43 @@ class PushUtils {
         final cache = Cache(platform);
         await cache.init();
 
-        NextcloudNotificationsNotification? notification;
         var accounts = <Account>[];
         Account? account;
+        NextcloudNotificationsNotification? notification;
+        AndroidBitmap<Object>? largeIconBitmap;
         try {
           accounts = loadAccounts(AppStorage('accounts', sharedPreferences));
           account = accounts.find(instance);
           if (account != null) {
             notification =
                 (await account.client.notifications.getNotification(id: pushNotification.subject.nid!)).ocs.data;
+            if (notification.icon?.endsWith('.svg') ?? false) {
+              // Only SVG icons are supported right now (should be most of them)
+
+              final cacheManager = DefaultCacheManager();
+              final file = await cacheManager.getSingleFile(notification.icon!);
+
+              final pictureInfo = await vg.loadPicture(SvgFileLoader(file), null);
+
+              const largeIconSize = 256;
+              final scale = min(largeIconSize / pictureInfo.size.width, largeIconSize / pictureInfo.size.height);
+              final scaledWidth = (pictureInfo.size.width * scale).toInt();
+              final scaledHeight = (pictureInfo.size.height * scale).toInt();
+
+              final recorder = PictureRecorder();
+              Canvas(recorder)
+                ..scale(scale)
+                ..drawPicture(pictureInfo.picture)
+                ..drawColor(themePrimaryColor, BlendMode.srcIn);
+
+              pictureInfo.picture.dispose();
+
+              final image = recorder.endRecording().toImageSync(scaledWidth, scaledHeight);
+              final bytes = await image.toByteData(format: ImageByteFormat.png);
+
+              final bitmap = await Bitmap.fromProvider(MemoryImage(bytes!.buffer.asUint8List()));
+              largeIconBitmap = ByteArrayAndroidBitmap(bitmap.buildHeaded());
+            }
           }
         } catch (e, s) {
           debugPrint(e.toString());
@@ -113,6 +141,7 @@ class PushUtils {
                 subText: accounts.length > 1 && account != null ? account.client.humanReadableID : null,
                 groupKey: 'app_$appID',
                 icon: '@mipmap/ic_launcher',
+                largeIcon: largeIconBitmap,
                 when: when?.millisecondsSinceEpoch,
                 color: themePrimaryColor,
                 category: pushNotification.type == 'voip' ? AndroidNotificationCategory.call : null,

packages/neon/neon/pubspec.yaml

@@ -7,6 +7,7 @@ environment:
   flutter: '>=3.10.0'
 
 dependencies:
+  bitmap: ^0.1.3
   collection: ^1.17.1
   crypto: ^3.0.3
   file_picker: ^5.3.0