[Webkit-unassigned] [Bug 146239] New: AX: accessibles for focusable/interactive <tbody> elements or elements with ARIA role='rowgroup'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=146239

            Bug ID: 146239
           Summary: AX: accessibles for focusable/interactive <tbody>
                    elements or elements with ARIA role='rowgroup'
    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: clown at alum.mit.edu
                CC: webkit-bug-importer at group.apple.com

Webkit does not provide an accessible object for <tbody> elements nor elements with the ARIA role='rowgroup'.  However, there are cases where the <tbody> or rowgroup is focusable and interactive.  Here, "interactive" means responds to user mouse clicks and keystrokes.

Two examples are given on the following page:
http://clown.idrc.ocad.ca/Fluid/aria/FocusableRowGroup.html

Both examples are of a commuter train time table where a rowgroup or tbody is used to group morning rush hour, afternoon, and evening rush hour departure times separately.  The first example uses a <div role='rowgroup' ...>, while the second uses multiple <tbody> elements to make these groupings.  These groupings are configured such that users can show only the departure times they are interested in -- they can click on a grouping to hide that grouping, and/or move keyboard focus to it, and hide it with a SPACE  keystroke.

It is expected that there be accessible objects in the accessibility tree for these elements.  Also, that these accessibles show a focus state when they have focus.

However, the Accessibility Inspector app shows that
1. There is no accessible for the interactive rowgroup/tbody elements.
2. When DOM focus is on one of the rowgroup/tbody elements, the inspector shows that focus is on the AXWebArea (pretty much the entire web page).

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