[webkit-dev] WebKit and Accessibility

David Harrison harrison at apple.com
Tue Sep 13 14:37:50 PDT 2005

The issue here is the assumption that VO is the S/W calling the  
accessibility APIs.  There are actually numerous other accessibility  
API clients within the system, affecting all users, not just those  
who have difficulty seeing.

Your best bet may be a preference pane/control panel.


On Sep 13, 2005, at 1:46 PM, Mark Thomas wrote:

> Hi All,
>   I'm trying to work around a problem with Voice-over technology  
> that you
> cannot detect whether or not it switched on, doesn't sound like a  
> big issue,
> but we have voice over capability within our webkit application and it
> work's well, but if the user has switched on Voice-over for their  
> system
> then they get 2 talking system which is very confusing for them.
>   So I'm wondering if I declare my own control inheriting from the Web
> control, then I could just overload a few method which the  
> accessibility
> API's called, then hopefully assume if something is calling this  
> methods
> then Voice-over capability must be switched on ? - How does that  
> sound.
>   The plan is if we detect the Voice-over is switched on then we  
> will shut
> down ours and let them use the OS's.
>   I don't have any experience of these accessibility API's although  
> I did
> sit on a WWDC Session, and seem ok but that always the case until  
> you get
> down to it.
>   Anybody got insights on this.
> Thanks in advance
> Mark.
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