Re: Impact of pointer capture on pointerover/pointerout events

On Thu, Oct 31, 2013 at 2:51 PM, Jacob Rossi <Jacob.Rossi@microsoft.com>wrote:

> I'm ok with a note as well. Here's suggested text to be placed in section
> 10:
>
> "Note: when pointer capture is set, pointerover, pointerout, pointerenter,
> and pointerleave events are only generated for the element that has capture
> as other elements can no longer by targeted by the pointer. "
>

Good, but a little ambiguous as to the precise behavior I think.  How about
replace "for the element that has capture" with "when crossing the boundary
of the element that has capture" - just to make it crystal clear that
they're not generated "for" the capture element when crossing over other
elements.


>
> -----Original Message-----
> From: Cathy.Chan@nokia.com [mailto:Cathy.Chan@nokia.com]
> Sent: Thursday, October 31, 2013 11:39 AM
> To: rbyers@google.com; Jacob Rossi
> Cc: scott.gonzalez@gmail.com; public-pointer-events@w3.org
> Subject: RE: Impact of pointer capture on pointerover/pointerout events
>
> > From: ext Rick Byers [mailto:rbyers@google.com]
> >
> > This makes sense, thank you.  Do you think it's worth adding a note to
> > this effect - the reasoning is a little subtle (but the behavior is
> > intuitive so maybe it's not necessary).
> >
> +1 for an informative note.
> - Cathy.
>
> > Sounds like we just need to add a 'not' to the description in the test
> > (
> > https://github.com/InternetExplorer/web-platform-tests/blob/ddffbdc5ed
> > d63c972b9ee42df1f161fc17778125/pointerevents/capture.html#L16),
> > and ideally expand the test to validate this.
> >
> > Rick
> >
> >
> > On Thu, Oct 31, 2013 at 1:47 PM, Jacob Rossi <Jacob.Rossi@microsoft.com
> >wrote:
> >
> > > Pointer capture makes it so that pointer events cannot hit test to
> > > any other element but the one with capture. It follows, then, that a
> > > move can only be detected to have entered or left the hit test
> > > bounds of the element with capture ("A user agent MUST dispatch this
> > > event when a pointing device is moved into the hit test boundaries of
> an element." [1]).
> > >
> > > So, pointerover/pointerout only fire for entering/leaving the
> > > element with capture but do not fire for entering/leaving other
> > > elements. This is what occurs in the test case where pointerover is
> > > dispatched to the element
> > > (#target0) that has capture.
> > >
> > > -Jacob
> > >
> > >
> > > On Wed, Oct 30, 2013 at 2:43 PM, <Cathy.Chan@nokia.com> wrote:
> > >
> > >  I don't have anything to add (yet) except a link to the original
> thread:
> > >
> > > http://lists.w3.org/Archives/Public/public-pointer-events/2013AprJun
> > > /0120.html
> > >
> > >  - Cathy.
> > >
> > >  > From: ext Rick Byers [mailto:rbyers@google.com]  > Sent: Tuesday,
> > > October 29, 2013 10:43 PM  > To: Scott González; Jacob Rossi  > Cc:
> > > public-pointer-events@w3.org  > Subject: Re: Impact of pointer
> > > capture on pointerover/pointerout events
> > >
> > >
> > > >
> > >  > Reviving this old thread - I don't think we ever talked about it
> > > on a call  > (I was away for the following call and it looks like we
> > > never re-scheduled  > discussing of it).
> > >  >
> > >  > The Microsoft test submission says it expects to receive a
> > > pointerover  > event in exactly this scenario (  >
> > > https://github.com/InternetExplorer/web-platform-tests/blob/ddffbdc5
> > > edd63c972b9ee42df1f161fc17778125/pointerevents/capture.html#L16
> > > ),
> > >  > but it's not actually validating that it happens and IE11 appears
> > > not to do  > it.
> > >  >
> > >  > I think we need some clarity on what the spec intends here.  Is
> > > IE11's  > behavior correct?
> > >  >
> > >  > Thanks,
> > >  >    Rick
> > >  >
> > >  >
> > >  > On Mon, Apr 29, 2013 at 12:08 PM, Scott González <
> > > scott.gonzalez@gmail.com>wrote:
> > >  >
> > >  >> On Fri, Apr 26, 2013 at 4:32 PM, Rick Byers <rbyers@google.com>
> wrote:
> > >  >>
> > >  >>> Should we explicitly specify that?
> > >  >>>
> > >  >>
> > > >> I wouldn't expect any over/out events during capture.
> > >  >>
> > >  >> Also should we explicitly specify the meaning of relatedTarget
> > > for the  >>> pointer events analogous to the mouse events?
> > >  >>>
> > >  >>
> > >  >> This seems like a good idea.
> > >  >>
> > >
>
>

Received on Thursday, 31 October 2013 18:57:00 UTC