Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: b8ca1cf1bd0f47dd2889abae65b87c2bb2527520
https://github.com/WebKit/WebKit/commit/b8ca1cf1bd0f47dd2889abae65b87c2bb2527520
Author: Tyler Wilcock <[email protected]>
Date: 2023-04-10 (Mon, 10 Apr 2023)
Changed paths:
M
LayoutTests/accessibility/mac/aria-hidden-changes-for-non-ignored-elements.html
M LayoutTests/accessibility/mac/iframe-aria-hidden-expected.txt
M LayoutTests/accessibility/mac/iframe-aria-hidden.html
M Source/WebCore/accessibility/AXObjectCache.cpp
Log Message:
-----------
AX: Defer handling children changes for dynamic aria-hidden attribute updates
https://bugs.webkit.org/show_bug.cgi?id=255245
rdar://107589985
Reviewed by Chris Fleizach.
It can be unsafe to update the accessibility trees eagerly from
AXObjectCache::handleAttributeChange
because layout and style can be dirty. Deferring this update may also help us
be more efficient by
de-duping children updates with the inherent hash set properties of
m_pendingChildrenUpdates.
Because aria-hidden changes no longer eagerly update the isolated tree,
aria-hidden-changes-for-non-ignored-elements.html
and iframe-aria-hidden.html had to be updated to properly wait for AX tree
updates after dynamic aria-hidden changes.
*
LayoutTests/accessibility/mac/aria-hidden-changes-for-non-ignored-elements.html:
* LayoutTests/accessibility/mac/iframe-aria-hidden-expected.txt:
* LayoutTests/accessibility/mac/iframe-aria-hidden.html:
* Source/WebCore/accessibility/AXObjectCache.cpp:
(WebCore::AXObjectCache::handleAttributeChange):
Canonical link: https://commits.webkit.org/262804@main
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