[Webkit-unassigned] [Bug 223798] New: AX: `aria-owns` does not work for list items (and other elements)

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Mar 26 07:48:35 PDT 2021


https://bugs.webkit.org/show_bug.cgi?id=223798

            Bug ID: 223798
           Summary: AX: `aria-owns` does not work for list items (and
                    other elements)
           Product: WebKit
           Version: Safari 14
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: bcronin at quip.com
                CC: webkit-bug-importer at group.apple.com

Created attachment 424352

  --> https://bugs.webkit.org/attachment.cgi?id=424352&action=review

Repro case for readout for DOM-structured list vs. aria-owned list

NOTE: This is a possible duplicate of https://bugs.webkit.org/show_bug.cgi?id=151498, but I wanted to emphasize the fact that there seems to be a broader problem with `aria-owns`.

For example, I would expect these two structures to be treated the same (also see attached html file for a slightly more detailed example).

(1) List with item as DOM child:

<ul>
  <li>List item</li>
</ul>

(2) List with aria-owned item:

<li id="list-item">List item</li>
<ul aria-owns="list-item"/>

In case (1), when navigating to the list item, I initially hear "list one item" to indicate that the item belongs to a list (and from there I can navigate into the actual list item).

In case (2), I just hear "bullet List item," with no mention that the item should semantically be treated as part of a list.

I believe the two cases should behave the same, which is how it works in Chrome (I tested Safari 14 vs. Chrome 89, but the discrepancy has been present in past versions as well). It also seems this is not confined to lists/list items (i.e., I have not heard any other aria-owns relationships communicated by VoiceOver in Safari, either).

Reference: https://www.w3.org/TR/2017/REC-wai-aria-1.1-20171214/#aria-owns

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