Re: Generated CSS content and browser/assistive technology compatibility

Works fine in Chrome too, presumably with any assistive technology since
we're exposing the generated content in the accessibility tree.

On Thu, Oct 9, 2014 at 10:58 AM, James Nurthen <james.nurthen@oracle.com>
wrote:

>  I just tested with NVDA and Firefox 31 and it seemed to be read correctly
> in this combination too.
>
>
>
> On 10/9/2014 10:51 AM, Gunderson, Jon R wrote:
>
> James,
>
> Thank you for the code sample.
>
> At this point the only known place generated CSS content works with assistive technology is Safari/Voice Over or are there other combinations you are aware of?
>
> Jon
>
>
> -----Original Message-----
> From: James Craig [mailto:jcraig@apple.com <jcraig@apple.com>]
> Sent: Thursday, October 09, 2014 12:28 PM
> To: Gunderson, Jon R
> Cc: Ted O'Connor; W3C WAI Protocols & Formats
> Subject: Re: CSS flexbox
>
>
>  On Oct 9, 2014, at 6:34 AM, Gunderson, Jon R <jongund@illinois.edu> <jongund@illinois.edu> wrote:
>
> Is there a way through a W3C DOM interface to identify this generated content?
>
>  CSSOM not DOM:
> var pseudoBefore = window.getComputedStyle(myElement, "::before"); var genContent = pseudoBefore.getPropertyValue("alt") || pseudoBefore.getPropertyValue("-webkit-alt") || pseudoBefore.getPropertyValue("content");
>
> If "content" returned an image URL string, you'd have to further parse to determine if there was a useful text alternative, or maybe the text or speak-as value of the counter if the content of the pseudo-element was a counter. [1]
>
> >From the spec:
>
>  If pseudoElt is as an ASCII case-insensitive match for either ':before' or '::before' let obj be the ::before pseudo-element of elt.
> If pseudoElt is as an ASCII case-insensitive match for either ':after' or '::after' let obj be the ::after pseudo-element of elt.
>
>  http://dev.w3.org/csswg/cssom/#dom-window-getcomputedstylehttp://dev.w3.org/csswg/cssom/#dom-cssstyledeclaration-getpropertyvalue
>
> Cheers,
> James
>
> 1. http://lists.w3.org/Archives/Public/www-style/2014May/thread.html#msg146
>
>
>
> --
> Regards, James
>
> [image: Oracle] <http://www.oracle.com>
> James Nurthen | Principal Engineer, Accessibility
> Phone: +1 650 506 6781 <+1%20650%20506%206781> | Mobile: +1 415 987 1918
> <+1%20415%20987%201918>
> Oracle Corporate Architecture
> 500 Oracle Parkway | Redwood City, CA 94065
> [image: Green Oracle] <http://www.oracle.com/commitment> Oracle is
> committed to developing practices and products that help protect the
> environment
>

Received on Thursday, 9 October 2014 18:06:25 UTC