[Webkit-unassigned] [Bug 134492] New: AX: HTML indeterminate IDL attribute not mapped to checkbox value=2

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=134492

           Summary: AX: HTML indeterminate IDL attribute not mapped to
                    checkbox value=2
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: faulkner.steve at gmail.com
                CC: jcraig at apple.com, cfleizach at apple.com,
                    webkit-bug-importer at group.apple.com


The HTML spec[1] requires that UAs expose the platform equivalent of the ARIA aria-checked=mixed when the indeterminate IDL attribute is true.

"input element with a type attribute in the Checkbox state = aria-checked state set to "mixed" if the element's indeterminate IDL attribute is true, or "true" if the element's checkedness is true, or "false" otherwise"

[1]http://www.w3.org/html/wg/drafts/html/master/dom.html#sec-strong-native-semantics

The platform equivalent for Mac is AXValue: 2 
http://www.w3.org/TR/wai-aria-implementation/#mapping_state-property_table

test file http://stevefaulkner.github.io/html-mapping-tests/browser-tests/checkbox-states.html

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