Re: Request for Comments: Pointer Events spec's touch-action CSS property

On Fri, Jan 18, 2013 at 4:23 PM, Jacob Rossi <Jacob.Rossi@microsoft.com> wrote:
> I think this misses the nuance of the nearest ancestor having both a touch behavior and touch-action: none, in which case you do not execute the action.  How about:
>
> When a user touches an element, the effect of that touch is determined by the 'touch-action' property and the default touch behaviors on the element and its ancestors.  To determine the effect of a touch, find the nearest ancestor (starting from the element itself) that either has a default touch behavior or that has "touch-action: none".  If that element has “touch-action: none”, do nothing.  Otherwise, allow the element to start considering the touch for the purposes of executing its default touch behavior.
>
> When a UA determines a touch should trigger a behavior on this element (by methods outside the scope of this spec), then it must cancel that pointer by dispatching pointercancel and pointerout events.

Sounds good!

~TJ

Received on Saturday, 19 January 2013 00:51:56 UTC