[Webkit-unassigned] [Bug 118577] [GTK] platform/gtk/accessibility/replaced-objects-in-anonymous-blocks.html is failing

Tue Oct 1 08:47:23 PDT 2013

https://bugs.webkit.org/show_bug.cgi?id=118577

--- Comment #2 from Mario Sanchez Prada <mario at webkit.org>  2013-10-01 08:46:19 PST ---
It seems that the problem is that in the following code from the test...

   <body> 
   <p>Paragraph</p>
   <button>button</button>
   <p></p>
   [...]

The button is placed inside of a render object without an associated DOM node (wrapped by an AccessibilityObject of role GroupRole), which avoids AccessibilityRenderObject::textUnderElement() from using the TextIterator to extract the text under that GroupRole object.

In that scenario, as a consequence of this->node() returning NULL, AccessibilityRenderObject::textUnderElement() ends up calling AccessibilityNodeObject::textUnderElement(), which iterates over every children and finally return the text corresponding to the button but not the object replacement character since it's already asking for the text under that button, not from the point of view of its parent container.

In the same way, if we changed the test to this...

   <body> 
   <p>Paragraph</p>
   lorem ipsum <button>button</button> foo bar baz
   <p></p>
   [...]

... we would still obtain "lorem ipsum button foo bar baz" (no OR character) when exposing the anonymous block containing that test, which is bad for ATK based ATs (Joanie, correct me if I'm wrong).

I'll try to investigate this issue and see if I can find a reasonable solution for this that does not disturb other ports (emitting object replacement characters in these cases is only used in GTK, AFAIK).

Any hint or tip is welcome anyway of course.

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