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Re: [1.2T LC] should @role in SVG be animatable?

From: Anne van Kesteren <annevk@opera.com>
Date: Mon, 29 Sep 2008 10:06:27 -0400
To: "Al Gilman" <Alfred.S.Gilman@ieee.org>
Cc: www-archive@w3.org
Message-ID: <op.uh8xg1v164w2qv@annevk-t60.oslo.opera.com>

On Sun, 28 Sep 2008 21:01:21 -0400, Al Gilman <Alfred.S.Gilman@ieee.org>  
wrote:
> 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.

FWIW, a lot of controls from HTML are mutable (by changing the type  
attribute value of the input element). If these are expressed in terms of  
ARIA for AT they would need to deal with mutation.


-- 
Anne van Kesteren
<http://annevankesteren.nl/>
<http://www.opera.com/>
Received on Monday, 29 September 2008 14:07:20 GMT

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