Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 585cb45609b37a90566b0b114c25043c7f3f6680
      
https://github.com/WebKit/WebKit/commit/585cb45609b37a90566b0b114c25043c7f3f6680
  Author: Dominic Mazzoni <[email protected]>
  Date:   2026-08-27 (Thu, 27 Aug 2026)

  Changed paths:
    A 
LayoutTests/accessibility/isolated-tree/mac/text-marker-range-for-text-control-expected.txt
    A 
LayoutTests/accessibility/isolated-tree/mac/text-marker-range-for-text-control.html
    A 
LayoutTests/accessibility/mac/text-marker-range-for-text-control-expected.txt
    A LayoutTests/accessibility/mac/text-marker-range-for-text-control.html
    M Source/WebCore/accessibility/AccessibilityNodeObject.cpp
    M Source/WebCore/accessibility/AccessibilityNodeObject.h
    M Source/WebCore/accessibility/AccessibilityObject.cpp
    M Source/WebCore/accessibility/AccessibilityObject.h
    M Source/WebCore/accessibility/AccessibilityObjectInlines.h
    M Source/WebCore/accessibility/AccessibilityRenderObject.cpp

  Log Message:
  -----------
  AX: AXTextMarkerRangeForUIElement covers a native text control as a replaced 
object rather than its value
https://bugs.webkit.org/show_bug.cgi?id=322688
rdar://185960907

Reviewed by Tyler Wilcock.

On the live AX tree, asking for a <textarea>'s or <input type=text>'s
text marker range was giving back a range whose string was a single object
replacement character (U+FFFC) and whose endpoints carried no useful
index. This doesn't match the isolated tree, which returns a useful
range derived from its shadow tree.

textMarkerRange() now descends into the inner text element for native text
controls, leaving out the trailing placeholder <br> to match other APIs
like AXNumberOfCharacters.

A special case is needed for a control with no value.

Tests: accessibility/isolated-tree/mac/text-marker-range-for-text-control.html
       accessibility/mac/text-marker-range-for-text-control.html

* 
LayoutTests/accessibility/isolated-tree/mac/text-marker-range-for-text-control-expected.txt:
 Added.
* 
LayoutTests/accessibility/isolated-tree/mac/text-marker-range-for-text-control.html:
 Added.
* 
LayoutTests/accessibility/mac/text-marker-range-for-text-control-expected.txt: 
Added.
* LayoutTests/accessibility/mac/text-marker-range-for-text-control.html: Added.
* Source/WebCore/accessibility/AccessibilityNodeObject.cpp:
(WebCore::AccessibilityNodeObject::isNativeTextControl const): Deleted.
(WebCore::AccessibilityNodeObject::text const):
* Source/WebCore/accessibility/AccessibilityNodeObject.h:
* Source/WebCore/accessibility/AccessibilityObject.cpp:
(WebCore::AccessibilityObject::nativeTextControl const):
(WebCore::AccessibilityObject::textMarkerRange const):
* Source/WebCore/accessibility/AccessibilityObject.h:
(WebCore::AccessibilityObject::isNativeTextControl const):
* Source/WebCore/accessibility/AccessibilityObjectInlines.h:
(WebCore::AccessibilityObject::textMarkerRange const): Deleted.
* Source/WebCore/accessibility/AccessibilityRenderObject.cpp:
(WebCore::AccessibilityRenderObject::setSelectedVisiblePositionRange):

Canonical link: https://commits.webkit.org/320011@main



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