[Webkit-unassigned] [Bug 146930] New: AX: HTML native elements (header, footer, main, aside, nav) should work the same as ARIA landmarks, sometimes they don't

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146930

            Bug ID: 146930
           Summary: AX:  HTML native elements (header, footer, main,
                    aside, nav) should work the same as ARIA landmarks,
                    sometimes they don't
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: faulkner.steve at gmail.com
                CC: webkit-bug-importer at group.apple.com

While Native HTML elements that map to ARIA landmark roles have the correct subrole mapping,  In VoiceOver only a subset of native landmark elements are included in the webrotor. 

Using this test page: https://rawgit.com/stevefaulkner/HTML5accessibility/master/tests/structural-elements.html


In latest Safari (8) only banner, complementary and navigation are recognised/listed in the landmarks rotor in VO.

In latest webkit (Version 8.0.6 (10600.6.3, r186796)) banner, complementary main and navigation are listed in the landmarks rotor in VO.

footer is listed in neither.

Note that when navigation through the content using VO, all the native elements are recognised as landmarks, its only in the rotor where the issue arises.

Meanwhile on this test page http://www.html5accessibility.com/tests/structure.html

In both latest safari and webkit:  banner, complementary main and navigation are listed in the landmarks rotor in VO.

footer is listed in neither.

Note that when navigation through the content using VO, all the native elements are recognised as landmarks, its only in the rotor where the issue arises.

I cannot find any difference in the acc tree in webkit/safari between elements with landmark roles explicitly added or native landmarks, apart from footer which has a different AXDescription: "footer" vs "content information", thus it is expected that VO will treat them the same as it only looks at the acc tree.

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