On Thu, Sep 11, 2014 at 7:02 PM, Jonas Sicking <jo...@sicking.cc> wrote:

> On Thu, Sep 11, 2014 at 3:21 PM, Ehsan Akhgari <ehsan.akhg...@gmail.com>
> wrote:
> > On 2014-09-11, 5:54 PM, smaug wrote:
> >> If we just needs new coordinates, couldn't we extend the existing event
> interfaces with some new properties?
> >
> > Yeah, this seems like the way to go to me as well.
>
> Do we currently dispatch pointer events on desktop when the user
> places a finger on a laptop touchpad? Or do we just dispatch events
> when the user then moves the finger and thus move the on-screen
> "pointer"?
>

I'm not sure about our implementation, but if I'm reading the spec
correctly, we should be firing an event when you place your first finger on
the touchpad.


> If we only dispatch events to indicate pointer movement, then I don't
> think simply extending existing interfaces will be possible.
>
> Similarly, what happens if you touch multiple fingers to the touchpad?
> Do we fire events as the second and third finger is placed on the
> touchpad? If not, we similarly need additional events to be fired.
>

Again, if I'm reading the spec correctly, we should be firing multiple
events in that case.

-- 
Ehsan
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