Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 348b978dc50e5a3be518f51c006c7d86b5382793
https://github.com/WebKit/WebKit/commit/348b978dc50e5a3be518f51c006c7d86b5382793
Author: Dominic Mazzoni <[email protected]>
Date: 2024-07-17 (Wed, 17 Jul 2024)
Changed paths:
A
LayoutTests/accessibility/mac/active-descendant-after-visibility-change-expected.txt
A
LayoutTests/accessibility/mac/active-descendant-after-visibility-change.html
M Source/WebCore/accessibility/AXObjectCache.cpp
Log Message:
-----------
AX: active descendant not exposed when isolated tree mode is on
https://bugs.webkit.org/show_bug.cgi?id=276628
rdar://131784854
Reviewed by Tyler Wilcock.
When a node gets a new renderer, such as when it changes visibility, a deferred
cache update
is needed to ensure the new renderer is in the cache, and relations need to be
recomputed.
However, it was possible for relations to be recomputed before the loop
finished, so some
nodes that needed deferred cache updates wouldn't get taken into account and
their
relations wouldn't be computed correctly. The fix is to mark relations dirty
only at the
end of the loop after all of the nodes needing deferred updates had their AXIDs
removed.
*
LayoutTests/accessibility/mac/active-descendant-after-visibility-change-expected.txt:
Added.
* LayoutTests/accessibility/mac/active-descendant-after-visibility-change.html:
Added.
* Source/WebCore/accessibility/AXObjectCache.cpp:
(WebCore::AXObjectCache::performDeferredCacheUpdate):
Canonical link: https://commits.webkit.org/281043@main
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