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feat(mobile): show animated images in asset viewer (#26614)

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* Add support for showing animated images in AssetViewer with AnimatedImageStreamCompleter

* Add GIF overlay to thumbnail tile for animated assets

* formatting

* require isAnimated parameter in image providers for better asset handling

* feat: refactor AnimatedImageStreamCompleter to use streams for codec loading and initial image handling

* formatting

* add isAnimatedImage property to BaseAsset

* remove ApiService.getRequestHeaders() usage
This commit is contained in:
Luis Nachtigall
2026-03-11 18:07:06 +01:00
committed by GitHub
parent 28d5c169c0
commit e7db3b220d
7 changed files with 217 additions and 11 deletions
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56
mobile/lib/presentation/widgets/images/local_image_provider.dart
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@@ -1,11 +1,10 @@
import 'dart:ui';
import 'package:flutter/foundation.dart';
import 'package:flutter/widgets.dart';
import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
import 'package:immich_mobile/domain/models/store.model.dart';
import 'package:immich_mobile/entities/store.entity.dart';
import 'package:immich_mobile/infrastructure/loaders/image_request.dart';
import 'package:immich_mobile/presentation/widgets/images/animated_image_stream_completer.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';
import 'package:immich_mobile/presentation/widgets/timeline/constants.dart';
@@ -58,8 +57,9 @@ class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProv
final String id;
final Size size;
final AssetType assetType;
final bool isAnimated;
LocalFullImageProvider({required this.id, required this.assetType, required this.size});
LocalFullImageProvider({required this.id, required this.assetType, required this.size, required this.isAnimated});
@override
Future<LocalFullImageProvider> obtainKey(ImageConfiguration configuration) {
@@ -68,6 +68,21 @@ class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProv
@override
ImageStreamCompleter loadImage(LocalFullImageProvider key, ImageDecoderCallback decode) {
if (key.isAnimated) {
return AnimatedImageStreamCompleter(
stream: _animatedCodec(key, decode),
scale: 1.0,
initialImage: getInitialImage(LocalThumbProvider(id: key.id, assetType: key.assetType)),
informationCollector: () => <DiagnosticsNode>[
DiagnosticsProperty<ImageProvider>('Image provider', this),
DiagnosticsProperty<String>('Id', key.id),
DiagnosticsProperty<Size>('Size', key.size),
DiagnosticsProperty<bool>('isAnimated', key.isAnimated),
],
onLastListenerRemoved: cancel,
);
}
return OneFramePlaceholderImageStreamCompleter(
_codec(key, decode),
initialImage: getInitialImage(LocalThumbProvider(id: key.id, assetType: key.assetType)),
@@ -75,6 +90,7 @@ class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProv
DiagnosticsProperty<ImageProvider>('Image provider', this),
DiagnosticsProperty<String>('Id', key.id),
DiagnosticsProperty<Size>('Size', key.size),
DiagnosticsProperty<bool>('isAnimated', key.isAnimated),
],
onLastListenerRemoved: cancel,
);
@@ -110,15 +126,45 @@ class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProv
yield* loadRequest(request, decode);
}
Stream<Object> _animatedCodec(LocalFullImageProvider key, ImageDecoderCallback decode) async* {
yield* initialImageStream();
if (isCancelled) {
PaintingBinding.instance.imageCache.evict(this);
return;
}
final devicePixelRatio = PlatformDispatcher.instance.views.first.devicePixelRatio;
final previewRequest = request = LocalImageRequest(
localId: key.id,
size: Size(size.width * devicePixelRatio, size.height * devicePixelRatio),
assetType: key.assetType,
);
yield* loadRequest(previewRequest, decode);
if (isCancelled) {
PaintingBinding.instance.imageCache.evict(this);
return;
}
// always try original for animated, since previews don't support animation
final originalRequest = request = LocalImageRequest(localId: key.id, size: Size.zero, assetType: key.assetType);
final codec = await loadCodecRequest(originalRequest);
if (codec == null) {
throw StateError('Failed to load animated codec for local asset ${key.id}');
}
yield codec;
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
if (other is LocalFullImageProvider) {
return id == other.id && size == other.size;
return id == other.id && size == other.size && isAnimated == other.isAnimated;
}
return false;
}
@override
int get hashCode => id.hashCode ^ size.hashCode;
int get hashCode => id.hashCode ^ size.hashCode ^ isAnimated.hashCode;
}