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Code Issues Projects Releases Packages Wiki Activity Actions 1

feat(mobile): optimized thumbnail widget (#21073)

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* thumbnail widget

* use animation ticker, improvements

* use static thumbnail resolution for now

* fix android sample size

* free memory sooner

* formatting

* tweaks

* wait for disposal

* remove debug prints

* take two on animation

* fix

* remote constructor

* missed one

* unused imports

* unnecessary import

* formatting
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Mert 2025-08-21 14:06:02 -04:00 • committed by GitHub
parent ab2849781a
commit fb59fa343d
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18 changed files with 421 additions and 125 deletions
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11
mobile/lib/presentation/widgets/images/local_image_provider.dart
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@ -30,24 +30,25 @@ class LocalThumbProvider extends CancellableImageProvider<LocalThumbProvider>
DiagnosticsProperty<String>('Id', key.id),
DiagnosticsProperty<Size>('Size', key.size),
],
)..addOnLastListenerRemovedCallback(cancel);
onDispose: cancel,
);
}
Stream<ImageInfo> _codec(LocalThumbProvider key, ImageDecoderCallback decode) {
return loadRequest(LocalImageRequest(localId: key.id, size: size, assetType: key.assetType), decode);
return loadRequest(LocalImageRequest(localId: key.id, size: key.size, assetType: key.assetType), decode);
}
@override
bool operator ==(Object other) {
if (identical(this, other)) return true;
if (other is LocalThumbProvider) {
return id == other.id && size == other.size;
return id == other.id;
}
return false;
}
@override
int get hashCode => id.hashCode ^ size.hashCode;
int get hashCode => id.hashCode;
}
class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProvider>
@ -67,7 +68,7 @@ class LocalFullImageProvider extends CancellableImageProvider<LocalFullImageProv
ImageStreamCompleter loadImage(LocalFullImageProvider key, ImageDecoderCallback decode) {
return OneFramePlaceholderImageStreamCompleter(
_codec(key, decode),
initialImage: getCachedImage(LocalThumbProvider(id: key.id, assetType: key.assetType)),
initialImage: getInitialImage(LocalThumbProvider(id: key.id, assetType: key.assetType)),
informationCollector: () => <DiagnosticsNode>[
DiagnosticsProperty<ImageProvider>('Image provider', this),
DiagnosticsProperty<String>('Id', key.id),