AX: [iOS] Remove the ability to set keyboard focus when VoiceOver takes focus

[Nan Wang]

There's no documentation on iOS saying that we should do this. And this would allow people to track VoiceOver usage on iOS.

<rdar://problem/41190221>

[Nan Wang]

Created attachment 343670 [details]
patch

[Nan Wang]

Created attachment 343671 [details]
patch

added changelog

[Nan Wang]

Created attachment 343673 [details]
patch

[chris fleizach]

Comment on attachment 343673 [details]
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=343673&action=review

> Source/WebCore/ChangeLog:9
> +        it would allow web authors to track AT usage.

We should probably state here that instead of the tracking thing thisbsi causing website incompatibility issues by causing focus to be lost

> Source/WebCore/accessibility/ios/WebAccessibilityObjectWrapperIOS.mm:-2064
> -        return;

Is there an aom event that we do want to send here?

[Nan Wang]

Comment on attachment 343673 [details]
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=343673&action=review

>> Source/WebCore/accessibility/ios/WebAccessibilityObjectWrapperIOS.mm:-2064
>> -        return;
> 
> Is there an aom event that we do want to send here?

I was thinking to add that in another patch. But I can do it here.

[Nan Wang]

Created attachment 343692 [details]
patch

update

[WebKit Commit Bot]

Comment on attachment 343692 [details]
patch

Clearing flags on attachment: 343692

Committed r233257: <https://trac.webkit.org/changeset/233257>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.