Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: cb345f2eccf03e362b521fb1ddd449ab19ea2a94
https://github.com/WebKit/WebKit/commit/cb345f2eccf03e362b521fb1ddd449ab19ea2a94
Author: Andres Gonzalez <andresg...@apple.com>
Date: 2023-05-19 (Fri, 19 May 2023)
Changed paths:
M Source/WebCore/accessibility/AccessibilityObjectInterface.h
M Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm
Log Message:
-----------
AX: Move [WebAccessibilityObjectWrapper windowElement:] off the main thread.
https://bugs.webkit.org/show_bug.cgi?id=256896
<rdar://problem/109462537>
Reviewed by Tyler Wilcock.
This method was hitting the main thread to get the platformWidget of the
LocalFrameView. But the LocalFrameView must have an AccessibilityScrollView
object associated with it, and its corresponding AXIsolatedObject is caching
the PlatformWidget. Thus this patch avoids hitting the main thread by using
this direct path on the AX thread instead of having to go through the
LocalFrameView.
Added the AXCoreObject::axScrollView method to return the closest AX object
ancestor to an object that represents a ScrollView.
* Source/WebCore/accessibility/AccessibilityObjectInterface.h:
(WebCore::AXCoreObject::axScrollView const):
* Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
(-[WebAccessibilityObjectWrapper windowElement:]):
Canonical link: https://commits.webkit.org/264266@main
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