Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: a9623f4e66388a31261fe1e715ffb7fbb7bb8cfa
https://github.com/WebKit/WebKit/commit/a9623f4e66388a31261fe1e715ffb7fbb7bb8cfa
Author: Ryosuke Niwa <[email protected]>
Date: 2024-01-17 (Wed, 17 Jan 2024)
Changed paths:
M Source/WebCore/html/HTMLImageElement.cpp
M Source/WebCore/loader/ImageLoader.cpp
M Source/WebCore/loader/ImageLoader.h
Log Message:
-----------
Avoid calling selectImageSource when attribute value didn't change
https://bugs.webkit.org/show_bug.cgi?id=267315
Reviewed by Alex Christensen.
This PR adds a fast path for setting src to the same value in
HTMLImageElement::attributeChanged.
In this case, we check whether image loading is observable or not (e.g. has a
service worker),
and it if isn't, we avoid going through the full image loading path and simply
fire the load event instead.
* Source/WebCore/html/HTMLImageElement.cpp:
(WebCore::HTMLImageElement::attributeChanged):
* Source/WebCore/loader/ImageLoader.cpp:
(WebCore::ImageLoader::updateFromElementIgnoringPreviousErrorToSameValue):
* Source/WebCore/loader/ImageLoader.h:
Canonical link: https://commits.webkit.org/273148@main
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