thumbhash improvements

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

@@ -1,50 +0,0 @@
-import 'dart:convert' hide Codec;
-import 'dart:ui';
-
-import 'package:flutter/foundation.dart';
-import 'package:flutter/rendering.dart';
-import 'package:thumbhash/thumbhash.dart';
-
-class ThumbHashProvider extends ImageProvider<ThumbHashProvider> {
-  final String thumbHash;
-
-  const ThumbHashProvider({
-    required this.thumbHash,
-  });
-
-  @override
-  Future<ThumbHashProvider> obtainKey(ImageConfiguration configuration) {
-    return SynchronousFuture(this);
-  }
-
-  @override
-  ImageStreamCompleter loadImage(
-    ThumbHashProvider key,
-    ImageDecoderCallback decode,
-  ) {
-    return MultiFrameImageStreamCompleter(
-      codec: _loadCodec(key, decode),
-      scale: 1.0,
-    );
-  }
-
-  Future<Codec> _loadCodec(
-    ThumbHashProvider key,
-    ImageDecoderCallback decode,
-  ) async {
-    final image = thumbHashToRGBA(base64Decode(key.thumbHash));
-    return decode(await ImmutableBuffer.fromUint8List(rgbaToBmp(image)));
-  }
-
-  @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;
-}

mobile/lib/presentation/widgets/images/thumbnail.widget.dart

@@ -1,9 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
 import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
-import 'package:immich_mobile/presentation/widgets/images/thumb_hash_provider.dart';
 import 'package:immich_mobile/widgets/asset_grid/thumbnail_placeholder.dart';
-import 'package:immich_mobile/widgets/common/fade_in_placeholder_image.dart';
+import 'package:immich_mobile/widgets/common/thumbhash.dart';
 import 'package:logging/logging.dart';
 import 'package:octo_image/octo_image.dart';
 
@@ -58,11 +57,7 @@ OctoPlaceholderBuilder _blurHashPlaceholderBuilder(
 }) {
   return (context) => thumbHash == null
       ? const ThumbnailPlaceholder()
-      : FadeInPlaceholderImage(
-          placeholder: const ThumbnailPlaceholder(),
-          image: ThumbHashProvider(thumbHash: thumbHash),
-          fit: fit ?? BoxFit.cover,
-        );
+      : Thumbhash(blurhash: thumbHash, fit: fit ?? BoxFit.cover);
 }
 
 OctoErrorBuilder _blurHashErrorBuilder(