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feat(mobile): add support for encoded image requests in local/remote image APIs (#26584)

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* feat(mobile): add support for encoded image requests in local and remote image APIs

* fix(mobile): handle memory cleanup for cancelled image requests

* refactor(mobile): simplify memory management and response handling for encoded image requests

* fix(mobile): correct formatting in cancellation check for image requests

* Apply suggestion from @mertalev

Co-authored-by: Mert <101130780+mertalev@users.noreply.github.com>

* refactor(mobile): rename 'encoded' parameter to 'preferEncoded' for clarity in image request APIs

* fix(mobile): ensure proper resource cleanup for cancelled image requests

* refactor(mobile): streamline codec handling by removing unnecessary descriptor disposal in loadCodec request

---------

Co-authored-by: Mert <101130780+mertalev@users.noreply.github.com>
This commit is contained in:
Luis Nachtigall 2026-02-28 17:43:58 +01:00 • committed by GitHub
parent d6c724b13b
commit ac5ef6a56d
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17 changed files with 250 additions and 60 deletions
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16
mobile/lib/infrastructure/loaders/remote_image_request.dart
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@ -12,7 +12,8 @@ class RemoteImageRequest extends ImageRequest {
return null;
}
final info = await remoteImageApi.requestImage(uri, headers: headers, requestId: requestId);
final info = await remoteImageApi.requestImage(uri, headers: headers, requestId: requestId, preferEncoded: false);
// Android always returns encoded data, so we need to check for both shapes of the response.
final frame = switch (info) {
{'pointer': int pointer, 'length': int length} => await _fromEncodedPlatformImage(pointer, length),
{'pointer': int pointer, 'width': int width, 'height': int height, 'rowBytes': int rowBytes} =>
@ -22,6 +23,19 @@ class RemoteImageRequest extends ImageRequest {
return frame == null ? null : ImageInfo(image: frame.image, scale: scale);
}
@override
Future<ui.Codec?> loadCodec() async {
if (_isCancelled) {
return null;
}
final info = await remoteImageApi.requestImage(uri, headers: headers, requestId: requestId, preferEncoded: true);
if (info == null) return null;
final (codec, _) = await _codecFromEncodedPlatformImage(info['pointer']!, info['length']!) ?? (null, null);
return codec;
}
@override
Future<void> _onCancelled() {
return remoteImageApi.cancelRequest(requestId);