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Re: [1.2T LC] should @role in SVG be animatable? (ISSUE-2076)

From: Doug Schepers <schepers@w3.org>
Date: Mon, 29 Sep 2008 22:52:45 -0400
Message-ID: <48E1947D.9080404@w3.org>
To: Al Gilman <Alfred.S.Gilman@IEEE.org>
CC: "w3c-wai-pf@w3.org PF" <w3c-wai-pf@w3.org>, www-svg <www-svg@w3.org>

Hi, Al-

Thanks for your comment.  I've added this to our Tracker as ISSUE-2076,
and the SVG WG will discuss it and get back to you soon.

Thanks-
-Doug, on behalf of the SVG WG


Al Gilman wrote (on 9/28/08 9:01 PM):
> 
> 
> As regards WAI-ARIA alone, the answer should be 'no.'  In our best
> practices we instruct script authors not to change the role of an
> element, but rather to destroy the DOM object for that element and
> create a new object with the new role.
> 
> This is because the consumers of the accessibility APIs expect the role
> of a node to be static, just as xml:lang is not animatable in SVG.
> 
> SVG documents that animate the value of @role would confuse the AT
> consumers of the accessibility APIs.  I suppose that the browser could
> trap these
> property-change events and destroy and create the object in the
> accessible object graph, but then...
> 
> Can anybody come up with a use case for animating the @role value using
> the currently-defined roles from either the XHTML Role Module or WAI-ARIA?
> 
> Al
> /self
> 
> http://www.w3.org/TR/2008/WD-xhtml-role-20080407/
> http://www.w3.org/WAI/PF/aria/
> 
Received on Tuesday, 30 September 2008 02:53:22 GMT

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