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Re: Action-650 Review generated css content in html5

From: Jim Allan <jimallan@tsbvi.edu>
Date: Thu, 10 Nov 2011 10:56:06 -0600
Message-ID: <CA+=z1WmcWVgXs_JK7TGGpBN-9aR5BZ2W6M3Sm3LQNnrOHyFUfQ@mail.gmail.com>
To: Charles McCathieNevile <chaals@opera.com>
Cc: WAI-ua <w3c-wai-ua@w3.org>
On Thu, Nov 10, 2011 at 9:42 AM, Charles McCathieNevile <chaals@opera.com>wrote:

> On Wed, 09 Nov 2011 18:09:09 +0100, Jim Allan <jimallan@tsbvi.edu> wrote:
>
>  could find no reference to prohibiting CSS generated content from
>> appearing in the DOM.
>>
>
> But what is the mechanism by which it appears? It is part of style, so
> should be accessible through getComputedStyle, but I am not sure that is
> actually useful. I'm not sure how DOM handles pseudo-elements, which are in
> any event defined in CSS.
>
>
> Jim: I am not sure of the mechanism. it just appears on the screen, but is
not in the DOM.


>  there doesn't appear to be anything that a UA can do to access this
>> information. A screen reader could scrape the screen and keep refreshing
>> to find generated content...tedious, many cpu cycles, etc.
>>
>
> Opera just exposes the content directly. I don't see why other browsers
> don't do that.
>
> Jim: New Information: created a test page
http://test.tsbvi.edu/generated.htm with style
http://test.tsbvi.edu/generated.css
tested with Jaws 12. predicted results in FF7 and IE8 - that is Jaws did
not read the generated text.
BUT Jaws read the text in Chrome. Not sure why or how.


>  generated content fails WCAG20 - generated content does not work
>> http://cssgallery.info/**testing-the-accessibility-of-**
>> the-css-generated-content/<http://cssgallery.info/testing-the-accessibility-of-the-css-generated-content/>
>>
>
> Hmmm.
>
>
>  I will give up any issues I had about this.
>> Recommend closing this Action.
>>
>
> cheers
>
> Chaals
>
>
> --
> Charles 'chaals' McCathieNevile  Opera Software, Standards Group
>    je parle franšais -- hablo espa˝ol -- jeg kan litt norsk
> http://my.opera.com/chaals       Try Opera: http://www.opera.com
>



-- 
Jim Allan, Accessibility Coordinator & Webmaster
Texas School for the Blind and Visually Impaired
1100 W. 45th St., Austin, Texas 78756
voice 512.206.9315    fax: 512.206.9264  http://www.tsbvi.edu/
"We shape our tools and thereafter our tools shape us." McLuhan, 1964
Received on Thursday, 10 November 2011 16:56:44 GMT

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