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Re: Standardisation of Gesture events

From: Arthur Barstow <art.barstow@gmail.com>
Date: Wed, 09 Jul 2014 07:35:54 -0400
Message-ID: <53BD291A.6000708@gmail.com>
To: Damien Antipa <dantipa@adobe.com>, "www-dom@w3.org" <www-dom@w3.org>
CC: "public-pointer-events@w3.org" <public-pointer-events@w3.org>, "public-touchevents@w3.org" <public-touchevents@w3.org>
Hi Damien,

On 7/8/14 4:18 AM, Damien Antipa wrote:
> Hi,
> I was wondering if there is any ongoing effort to standardise higher level
> events for gestures?

I am not aware of any such at effort at the W3C (although the InidieUI 
might be doing some work that is loosely related 

Gestures were discussed when the Web Events WG (Touch Event API) was 
chartered and they were explicitly *not* included in scope because of 
IP/patent concerns <http://www.w3.org/2010/webevents/charter/Overview.html>.

> The only related documents I could find are [0] from 2009 and a
> proprietary Microsoft implementation [1].
> In case there is none Iıd like to start one.

Perhaps starting a Community Group would be a good way to get started.

(If you decide to go that route and need a supporter, please let me 
know. I don't know if I would actually formally join such a CG but I do 
support having a Public conversation about this topic.)

> Currently I am writing (yet another) JS library [2] to support some
> gestures like tap, dbltap, hold, pinch, flick, swipe.
> Other libraries like Hammer [3] canıt handle multiple pointers
> simultaneously or lack of accuracy when detecting gesture [4] (e.g. Hold
> is not aborted on move).
> Imho a specification should cover a Gesture interfaces and its properties
> + constraints like the maximum movement (in inch) for a pointer to be
> recognised as a tap or the ³hold" time. Eventually this should lead to
> that browsers handle gestures rather than a JS library.
> Any interest on that?

I Cc'ed the Touch Events CG and Pointer Events WG lists since some of 
those people might be interested.


> Regards,
> Damien
> [0] http://lists.w3.org/Archives/Public/www-dom/2009AprJun/0134.html
> [1] http://msdn.microsoft.com/en-us/library/ie/dn433243%28v=vs.85%29.aspx
> [2] https://github.com/PolyTouch/PolyTouch.js
> [3] http://eightmedia.github.io/hammer.js/
> [4] https://github.com/Polymer/PointerGestures/
> [5]
> http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2010-February/279622.ht
> ml
Received on Wednesday, 9 July 2014 11:36:25 UTC

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