[Webkit-unassigned] [Bug 203798] New: AX: WKWebView does not shift Accessibility Focus for Catalyst

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=203798

            Bug ID: 203798
           Summary: AX: WKWebView does not shift Accessibility Focus for
                    Catalyst
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ericliang at apple.com
                CC: webkit-bug-importer at group.apple.com

WKWebViews do not respond to JavaScript that tell them to `focus()`, changing the Accessibility Element selected.

Steps To Reproduce:
1. Enable VoiceOver
2. Open a webpage that auto-shifts Accessibility focus via JavaScript.
3. Verify that no shift occurs.

(See Notes section for a working sample and instructions)

Results:
The WKWebView should adjust its Accessibility focus, but does not.

Regression:
This feature works great on iPad, just not in Catalyst.

Notes:
1. Download simpleCommands.zip containing HTML, CSS, and JS files.
2. Enable VoiceOver
3. Open simpleCommands.html inside Safari. After 5 seconds, the focus should switch and VoiceOver should begin reading out ‘today’s date’.

4. Now open the project found in WebpageCutscene.zip. It uses the same webpage as before.
5. Build and Run this project targeting Mac Catalyst. You will see that the VoiceOver focus does not shift when ran inside an app.

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