Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 2be2f2d783081daf22256d444a61df63f215f86c
https://github.com/WebKit/WebKit/commit/2be2f2d783081daf22256d444a61df63f215f86c
Author: Joshua Hoffman <jhoffma...@apple.com>
Date: 2024-11-14 (Thu, 14 Nov 2024)
Changed paths:
M
LayoutTests/accessibility/ax-thread-text-apis/text-marker-paragraph-nav-expected.txt
M
LayoutTests/accessibility/ax-thread-text-apis/text-marker-paragraph-nav.html
M Source/WebCore/accessibility/AXTextMarker.cpp
M Source/WebCore/accessibility/AXTextMarker.h
M Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm
Log Message:
-----------
AX: Implement NextParagraphEnd and PreviousParagraphStart off the main thread
https://bugs.webkit.org/show_bug.cgi?id=283112
rdar://139880052
Reviewed by Tyler Wilcock.
This PR finishes moving paragraph navigation off the main thread by
implementing the nextParagraphEnd
and previousParagraphStart APIs off of the main thread.
Several changes were made since 286004@main (AX: Implement TextUnit::Paragraph
off the main thread),
including:
* Using the runIndex instead of the line index, so we can index relative to the
current runs, not the
containing block.
* Adding logic to AXTextMarker::previousParagraphStart and
AXTextMarker::nextParagraphEnd to mimic the
live tree behavior, notably, advancing when there are line breaks.
* Updating AXTextMarker::ParagraphRange to call findMarker directly, similar to
the live tree.
* Refining the logic within findMarker to handle more edge cases. This includes
removing the cumulative
offset, which is no longer used.
The text-marker-paragraph-nav.html test was also updated to test these APIs.
*
LayoutTests/accessibility/ax-thread-text-apis/text-marker-paragraph-nav-expected.txt:
* LayoutTests/accessibility/ax-thread-text-apis/text-marker-paragraph-nav.html:
* Source/WebCore/accessibility/AXTextMarker.cpp:
(WebCore::AXTextMarker::findMarker const):
(WebCore::AXTextMarker::previousParagraphStart const):
(WebCore::AXTextMarker::nextParagraphEnd const):
(WebCore::AXTextMarker::paragraphRange const):
* Source/WebCore/accessibility/AXTextMarker.h:
(WebCore::AXTextMarker::previousParagraphStart const): Deleted.
(WebCore::AXTextMarker::nextParagraphEnd const): Deleted.
* Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
(-[WebAccessibilityObjectWrapper textMarkerForTextMarker:atUnit:]):
Canonical link: https://commits.webkit.org/286613@main
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