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Prevent multiple notifications for image dimensions (#36600)

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Added a simple check to only perform metadata extraction and listener
notification when we haven't already processed the metadata for an image

Testing: Existing tests should cover if we break decoding image metadata
complete.
Fixes: #36502

---------

Signed-off-by: Barigbue <barigbuenbira@gmail.com>
Co-authored-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Barigbue Nbira 2025-04-18 21:01:26 +01:00 • committed by GitHub
parent 46247a7621
commit add8c51f47
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1 changed files with 11 additions and 9 deletions
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20
components/net/image_cache.rs
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@ -608,16 +608,18 @@ impl ImageCache for ImageCacheImpl {
pending_load.bytes.extend_from_slice(&data);
//jmr0 TODO: possibly move to another task?
let mut reader = std::io::Cursor::new(pending_load.bytes.as_slice());
if let Ok(info) = imsz_from_reader(&mut reader) {
let img_metadata = ImageMetadata {
width: info.width as u32,
height: info.height as u32,
};
for listener in &pending_load.listeners {
listener.respond(ImageResponse::MetadataLoaded(img_metadata.clone()));
if pending_load.metadata.is_none() {
let mut reader = std::io::Cursor::new(pending_load.bytes.as_slice());
if let Ok(info) = imsz_from_reader(&mut reader) {
let img_metadata = ImageMetadata {
width: info.width as u32,
height: info.height as u32,
};
for listener in &pending_load.listeners {
listener.respond(ImageResponse::MetadataLoaded(img_metadata.clone()));
}
pending_load.metadata = Some(img_metadata);
}
pending_load.metadata = Some(img_metadata);
}
},
(FetchResponseMsg::ProcessResponseEOF(_, result), key) => {