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Re: Change notification issues

From: Jon Gunderson <jongund@staff.uiuc.edu>
Date: Thu, 10 Jun 1999 12:42:14 -0500
Message-Id: <199906101741.MAA23508@staff1.cso.uiuc.edu>
To: Charles McCathieNevile <charles@w3.org>
Cc: w3c-wai-ua@w3.org
Responses to Charles marked by JRG:

JRG: Could you (or some else on the list) give an example of an technique
to implement this feature on a desktop graphical user interface?

>
>I think the priority of configuration is 2
>
>And I think that the further explanation about the types of configuration can
>be happily left in the techniques.

JRG: Are there other events that we should have on the list for configuration?

>
>Charles
>
>On Thu, 10 Jun 1999, Jon Gunderson wrote:
>  
>  Checkpoint proposal: Allow the user to configure the types of document
>  changes they would like to be alerted too
>  Priority: 1 or 2
>  Compatibility: Dependent user agents
>  
>  Potential configuration parameters:
>  1. Changes to text content in a document
>  2. Changes in position in a document
>  3. Changes in images in a document
>  4. Changes in color in a document
>  5. Changes in font face or style in a document
>  6. Changes in rendered text (changes in DISPLAY property of CSS) in
document
>  7. Changes in form controls in the document
>  8. Changes in hidden information (probably not of any use though, since
>  information is not normally rendered) in the document
>  
>  These items could be more roughly be broken down into the two categories
>  defined by CMN in his initial mail on this issue: content and style
>  
>  B. Potential techniques/checkpoints related to informing the user about
>  changes
>  
>  Checkpoint proposal: Inform the user of changes in the document due to
>  scripting events
>  Priority: 1
>  Compatibility: Dependent user agents
>  
>  Techniques:
>  The user is informed of a change in the document and can access a list of
>  document changes.  Selecting an item from the list moves the users focus
>  (point-of-reguard) to the changed information.  The list is limited to the
>  changes the user identified in the configuration section on document
>  changes.  The list would indicate the type of change that occured in the
>  document, the element type that changed and some type of positional
>  information about the element.  The user would be able to return to the
>  oringal focus before searching for the document changes at any time.
>   
>  C. Desktop Graphical User agents need to export information related to
>  changes in the document
>  
>  This would be part of the section on compatibility.  We already have a
>  checkpoint for document change information being exported.
>  
>  
>  Jon Gunderson, Ph.D., ATP
>  Coordinator of Assistive Communication and Information Technology
>  Division of Rehabilitation - Education Services
>  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
>  	http://www.als.uiuc.edu/InfoTechAccess
>  
>
>--Charles McCathieNevile            mailto:charles@w3.org
>phone: +1 617 258 0992   http://www.w3.org/People/Charles
>W3C Web Accessibility Initiative    http://www.w3.org/WAI
>MIT/LCS  -  545 Technology sq., Cambridge MA, 02139,  USA
> 
Jon Gunderson, Ph.D., ATP
Coordinator of Assistive Communication and Information Technology
Division of Rehabilitation - Education Services
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
	http://www.als.uiuc.edu/InfoTechAccess
Received on Thursday, 10 June 1999 13:41:51 GMT

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