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Re: in defence of listener discovery

From: Charles McCathieNevile <chaals@opera.com>
Date: Thu, 23 Mar 2006 18:17:30 +0100
To: "WebAPI WG" <public-webapi@w3.org>
Cc: wai-liaison@w3.org
Message-ID: <op.s6vmbgcqwxe0ny@pc031.coreteam.oslo.opera.com>

Just tagging this so the issue tracker gets it. This is a repeat of the  
first message in the thread.

ISSUE-32 and ACTION-84

cheers

On Thu, 23 Mar 2006 17:04:05 +0100, Al Gilman <Alfred.S.Gilman@IEEE.org>  
wrote:

>
> Chaals has been frustrated by having some information of use to your
> group buried in Member space.
>
> Here's a summary of the issue.  HTH.
>
> Question:
> Why does the accessibility community want the hasEventListener?
> Actually, as I read the current Note, it is willTrigger and not  
> hasEventListener
> that is the key method to enable the functionality needed for UI  
> adaptablility.
>
> http://www.w3.org/TR/DOM-Level-3-Events/events.html#Events-EventTarget
>
> * short form
>
> <quote
> cite="http://www.w3.org/2006/03/01-Gilman/tree2.xhtml">
> - Why an Accessible Dynamic Web Content Roadmap?
> -- Fulfill platform-API contract with Assistive Technology
> --- [...]
> -- afford functional and usable adapted views
> --- function: orientation --
> ---- Where am I?
> ---- What is there?
> ---- What can I do?
> --- function: actuation --
> ---- from keyboard and from API
> ---- navigation: move "Where am I?
> </quote>
>
> Event handlers represent actions that the user can take.
>
> They need to afford flexible, including alternate, actuation.
>
> Assistive technologies need to be able to discover these action  
> opportunities
> in order to set up alternate actuation modalities for their users.
>
> Examples are voice prompts and on-screen-keyboard menus.
>
> * long form
>
> See the following for a summary of the negotiations leading up to
> the inclusion of listener-discovery functions in DOM3.  And read
> the list leading up to that summary for more detail.
>
> http://lists.w3.org/Archives/Public/w3c-wai-ua/2002JanMar/0032.html
>
> HTH
>
> Al
>



-- 
Charles McCathieNevile                     chaals@opera.com
   hablo español  -  je parle français  -  jeg lærer norsk
      Peek into the kitchen: http://snapshot.opera.com/
Received on Thursday, 23 March 2006 17:17:53 GMT

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