Re: Element.getComputedRole() + Element.getUIBehaviors()

+1

On 11/26/2014 9:41 AM, Dominic Mazzoni wrote:
> As before my main concern with this type of function is that it's 
> impossible to implement correctly, and therefore it's quite misleading 
> and of dubious value. Event delegation is an extremely common pattern 
> in web apps, and there's no way to know whether an element is being 
> listened to by an event handler on a different element or not.
>
> On Wed, Nov 26, 2014 at 9:07 AM, Gunderson, Jon R 
> <jongund@illinois.edu <mailto:jongund@illinois.edu>> wrote:
>
>     Rich and Dominic,
>
>     What do you think about a element method called getUIBehavior()?
>
>     interface Element : Node {
>
>        Boolean  getUIBehaviors(in DOMString name);
>
>     }
>
>     DOMString values:
>
>     ‘click’ : Returns true if node has at least one event handler for the following events “onclick” or “ondbclick” events
>
>     ‘keyboard’ : Returns true if node has at least one event handler for the following events “onKeyPress”, “onKeyDown or “onKeyUp” events
>
>     ‘mouse’ : Returns true if node has at least one event handler for “onMouseXXX” events
>
>     ‘change’ : Returns true if node has at “onChange” event
>
>     “focus”  : Returns  true if node has at “onFocus” event
>
>     “blur”  : Returns  true if node has at “onBlur” event
>
>     “drag” :Returns true if node has at least one event handler for “onDragXXX” events
>
>     “css”  :Returns true if node has at least one event handler for “animationXXX” events or “transitionend” event
>
>
>     From: Dominic Mazzoni <dmazzoni@google.com
>     <mailto:dmazzoni@google.com>>
>     Date: Thursday, October 16, 2014 at 3:51 PM
>     To: Richard Schwerdtfeger <schwer@us.ibm.com
>     <mailto:schwer@us.ibm.com>>
>     Cc: "public-pfwg@w3.org <mailto:public-pfwg@w3.org>"
>     <public-pfwg@w3.org <mailto:public-pfwg@w3.org>>
>     Subject: Re: Element.getComputedRole()
>     Resent-From: "public-pfwg@w3.org <mailto:public-pfwg@w3.org>"
>     <public-pfwg@w3.org <mailto:public-pfwg@w3.org>>
>     Resent-Date: Thursday, October 16, 2014 at 3:52 PM
>
>     Sure, I think it's a good idea.
>
>     How about getComputedAccessibleText next?
>
>     In both Blink and WebKit I imagine we'll have to think about
>     efficiency when implementing this - typically we enable
>     accessibility lazily and then leave it on - at least for that
>     page. We'd want to use the real accessibility code to compute
>     this, but then disable accessibility support and clean up if it
>     wasn't enabled previously.
>
>
>     On Thu, Oct 16, 2014 at 1:19 PM, Richard Schwerdtfeger
>     <schwer@us.ibm.com <mailto:schwer@us.ibm.com>> wrote:
>
>         Hi Dominic,
>
>         We have an issue to add a getComputedRole() function on
>          Element. This would help application developers as well as
>         accessibility test tools. Here is the issue:
>
>         https://www.w3.org/WAI/PF/Group/track/issues/427
>
>         Would you support implementing this feature in Chrome?
>
>         Thanks,
>
>         Rich
>
>
>
>
>         Rich Schwerdtfeger
>
>
>

-- 
Regards, James

Oracle <http://www.oracle.com>
James Nurthen | Principal Engineer, Accessibility
Phone: +1 650 506 6781 <tel:+1%20650%20506%206781> | Mobile: +1 415 987 
1918 <tel:+1%20415%20987%201918>
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