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Re: Definition: Operating Environment

From: Jon Gunderson <jongund@uiuc.edu>
Date: Wed, 18 Jul 2001 13:58:20 -0500
Message-Id: <4.3.1.2.20010718135407.025b3748@staff.uiuc.edu>
To: "Ian B. Jacobs" <ij@w3.org>
Cc: w3c-wai-ua@w3.org
Ian,
Checkpoint 10.2 and 10.4 are for rendered content.  I guess what I am 
looking for is more of a statement of what the user agent can do for 
styling content , should also be available for styling focus.  My main 
concern is using the border styling techniques.

Jon


At 12:55 PM 7/18/2001 -0400, Ian B. Jacobs wrote:
>Jon Gunderson wrote:
> >
> > Ian,
> > The UA may support technologies like CSS which would allow for greater
> > styling of elements that receive focus and selection.  The current drafts
> > seem to limit the styling of these elements to what you can do with the
> > operating environment.
>
>No, they don't limit it to that. That's the minimal requirement.
>
>  - Ian
>
> > I believe it was the intention of the working group
> > that CSS styling effects should be available for 10.2 and 10.4 if the user
> > agent supported CSS styling.
> >
> > I also think that in some operating systems like UNIX there are few, if any
> > conventions.   The user agent then becomes the convention for which other
> > capabilities can be based.
> >
> > Jon
> >
> > At 11:55 AM 7/18/2001 -0400, Ian B. Jacobs wrote:
> > >Jon Gunderson wrote:
> > > >
> > > > Ian,
> > > > I propose we add to the definition of "operating environment" [1] the
> > > > additional capabilities that a user agent may add to the conventional
> > > > capabilities of the operating system.   I think this is important 
> in the
> > > > area of highlight mechanisms to include border styling.  Border 
> styling is
> > > > typically not a part of most operating systems, but is available on
> > > > browsers that supprt CSS.
> > >
> > >I disagree. The user agent doesn't add anything to the environment in a
> > >way that can be reused by other software. The UA may support border
> > >styling,
> > >but can other software make use of that capability? The only thing that
> > >the UA
> > >adds are the functionalities that it provides, and those are available
> > >through
> > >the UI and APIs.
> > >
> > >  _ Ian
> > >
> > > > Jon
> > > >
> > > > [1]
> > > >
> > > 
> http://www.w3.org/WAI/UA/WD-UAAG10-20010714/glossary.html#def-operating-environment
> > > > Jon Gunderson, Ph.D., ATP
> > > > Coordinator of Assistive Communication and Information Technology
> > > > Division of Rehabilitation - Education Services
> > > > MC-574
> > > > College of Applied Life Studies
> > > > University of Illinois at Urbana/Champaign
> > > > 1207 S. Oak Street, Champaign, IL  61820
> > > >
> > > > Voice: (217) 244-5870
> > > > Fax: (217) 333-0248
> > > >
> > > > E-mail: jongund@uiuc.edu
> > > >
> > > > WWW: http://www.staff.uiuc.edu/~jongund
> > > > WWW: http://www.w3.org/wai/ua
> > >
> > >--
> > >Ian Jacobs (ij@w3.org)   http://www.w3.org/People/Jacobs
> > >Cell:                    +1 917 450-8783
> >
> > Jon Gunderson, Ph.D., ATP
> > Coordinator of Assistive Communication and Information Technology
> > Division of Rehabilitation - Education Services
> > MC-574
> > College of Applied Life Studies
> > University of Illinois at Urbana/Champaign
> > 1207 S. Oak Street, Champaign, IL  61820
> >
> > Voice: (217) 244-5870
> > Fax: (217) 333-0248
> >
> > E-mail: jongund@uiuc.edu
> >
> > WWW: http://www.staff.uiuc.edu/~jongund
> > WWW: http://www.w3.org/wai/ua
>
>--
>Ian Jacobs (ij@w3.org)   http://www.w3.org/People/Jacobs
>Cell:                    +1 917 450-8783

Jon Gunderson, Ph.D., ATP
Coordinator of Assistive Communication and Information Technology
Division of Rehabilitation - Education Services
MC-574
College of Applied Life Studies
University of Illinois at Urbana/Champaign
1207 S. Oak Street, Champaign, IL  61820

Voice: (217) 244-5870
Fax: (217) 333-0248

E-mail: jongund@uiuc.edu

WWW: http://www.staff.uiuc.edu/~jongund
WWW: http://www.w3.org/wai/ua
Received on Wednesday, 18 July 2001 14:54:05 GMT

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