Nice work
On Wed, May 21, 2008 at 4:30 PM, Jon Brisbin <[EMAIL PROTECTED]> wrote:
>
> I don't know if this is documented anywhere, but I'm working on an app
> where I'd like to capture the double-tap at max zoom to re-center the
> page using window.scrollTo. While there isn't a double-tap event, I'm
> able to figure out that a double-tap has happened because the onscroll
> event fires whenever the screen is tapped, whether the user actually
> scrolls the page or not. Checking the time between the two firings of
> the onscroll event will tell me if the user has double-tapped within
> the timeout period I set. Something like:
>
> var inDoubleTap = false;
> var doubleTapTimer = false;
> window.onscroll = function(){
> if(!doubleTapTimer){
> doubleTapTimer = setTimeout(function(){ inDoubleTap = false; },
> 500);
> }
> if(!inDoubleTap){
> inDoubleTap = true;
> }else{
> // call function to run if double-tap
> myFunction();
> inDoubleTap = false;
> }
> }
>
> I can add a check to the orientation as well to limit this double-tap
> capture to landscape mode.
>
>
> Thanks!
>
> Jon Brisibn
> http://jbrisbin.com
>
>
> >
>
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