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RE: What are UA responsibilities when content "takes over" UI con trols?

From: Hansen, Eric <ehansen@ets.org>
Date: Mon, 26 Feb 2001 10:41:17 -0500
To: "'Denis Anson'" <danson@miseri.edu>, "'Ian Jacobs'" <ij@w3.org>, w3c-wai-ua@w3.org
Message-id: <B49B36B1086DD41187DC000077893CFB8B4875@rosnt46.ets.org>
Very good point. The same goes for testing applications.

> -----Original Message-----
> From: Denis Anson [mailto:danson@miseri.edu]
> Sent: Monday, February 26, 2001 9:36 AM
> To: 'Ian Jacobs'; w3c-wai-ua@w3.org
> Subject: RE: What are UA responsibilities when content "takes over" UI
> controls?
> 
> 
> Ian,
> 
> In instructional design, a designer might want to turn off 
> parts of the
> UI for instructional reasons.  This may be as simple as 
> wanting the real
> estate for content, or it may be to suppress navigation until 
> a certain
> response has occurred.  
> 
> It probably isn't a good idea to require the user agent to circumvent
> the design of a page, when it has been explicitly designed in 
> a certain
> way.  But, I think that the author of the page has responsibilities to
> provide accessible content in these cases that goes beyond 
> the norm, and
> WCAG should probably make that explicit.
> 
> Denis Anson, MS, OTR/L
> Assistant Professor
> College Misericordia
> 301 Lake St.
> Dallas, PA 18612
>  
> 
> -----Original Message-----
> From: w3c-wai-ua-request@w3.org [mailto:w3c-wai-ua-request@w3.org] On
> Behalf Of Ian Jacobs
> Sent: Saturday, February 24, 2001 12:56 PM
> To: w3c-wai-ua@w3.org
> Subject: What are UA responsibilities when content "takes over" UI
> controls?
> 
> Hello,
> 
> In certain cases, the author may "take over" parts of the
> user agent's user interface. I'm thinking specifically
> of the status bar (are there others?). What should UAAG 1.0
> say about this? This is content that is rendered through the
> user interface, but should our "content" requirements apply
> here (e.g., stop blinking, change foreground and background 
> colors) or just our UI requirements (e.g., text equivalent
> for messages, follow OS conventions)?
> 
> It is my opinion that since these checkpoints involve
> the user agent's user interface (even though it's being
> manipulated by the author), and the UA's UI is under
> the full control of the UA developer, then only the 
> UI requirements should apply, notably checkpoint 5.13
> (follow OS conventions). 
> 
> I also think that WCAG should say something about
> this, although I'm not sure what yet. I don't know
> enough about whether it causes problems for users.
> 
>  - Ian
> 
> [1] http://www.w3.org/WAI/UA/WD-UAAG10-20010126/
> 
> -- 
> Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
> Tel:                         +1 831 457-2842
> Cell:                        +1 917 450-8783
> 
> 
Received on Monday, 26 February 2001 11:03:27 GMT

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