Source Code added

mobile/lib/presentation/widgets/images/thumb_hash_provider.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/rendering.dart';
+import 'package:immich_mobile/infrastructure/loaders/image_request.dart';
+import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
+import 'package:immich_mobile/presentation/widgets/images/one_frame_multi_image_stream_completer.dart';
+
+class ThumbHashProvider extends CancellableImageProvider<ThumbHashProvider>
+    with CancellableImageProviderMixin<ThumbHashProvider> {
+  final String thumbHash;
+
+  ThumbHashProvider({required this.thumbHash});
+
+  @override
+  Future<ThumbHashProvider> obtainKey(ImageConfiguration configuration) {
+    return SynchronousFuture(this);
+  }
+
+  @override
+  ImageStreamCompleter loadImage(ThumbHashProvider key, ImageDecoderCallback decode) {
+    return OneFramePlaceholderImageStreamCompleter(_loadCodec(key, decode), onDispose: cancel);
+  }
+
+  Stream<ImageInfo> _loadCodec(ThumbHashProvider key, ImageDecoderCallback decode) {
+    final request = this.request = ThumbhashImageRequest(thumbhash: key.thumbHash);
+    return loadRequest(request, decode);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    if (other is ThumbHashProvider) {
+      return thumbHash == other.thumbHash;
+    }
+    return false;
+  }
+
+  @override
+  int get hashCode => thumbHash.hashCode;
+}