- From: Dominique Hazael-Massieux <dom@w3.org>
- Date: Mon, 11 Aug 2014 13:46:19 +0200
- To: Arthur Barstow <art.barstow@gmail.com>, kaz@w3.org
- Cc: Giridhar Mandyam <mandyam@quicinc.com>, Xiaoqian Cindy Wu <xiaoqian@w3.org>, Yves Lafon <ylafon@w3.org>, Philippe Le Hegaret <plh@w3.org>, Jonas Sicking <sicking@mozilla.com>, Mounir Lamouri <mounir@lamouri.fr>, Marcos Caceres <w3c@marcosc.com>, "www-archive@w3.org" <www-archive@w3.org>
(adding Kaz to the distribution since he is taking over the Geolocation Working Group staff contact role) Le jeudi 07 août 2014 à 08:17 -0400, Arthur Barstow a écrit : > Hi All, > > Below (also at [1]), Jonas indicates there is a "procedural issue" > vis-à-vis WebApps' Screen-Orientation spec and the Device Orientation > (DO) spec. I believe an open question is about the status of the later. > > Would someone please take a look at Jonas' e-mail and let us know the > status and plans for the DO spec? > > [BTW, when you reply, please feel free to replace www-archive with > public-webapps.] > > -Thanks, Art > > [1] > <http://lists.w3.org/Archives/Public/public-webapps/2014JulSep/0203.html> > > > -------- Original Message -------- > Subject: Screen Orientation Feedback > Resent-Date: Tue, 05 Aug 2014 21:15:11 +0000 > Resent-From: public-webapps@w3.org > Date: Tue, 5 Aug 2014 14:14:10 -0700 > From: Jonas Sicking <jonas@sicking.cc> > To: Webapps WG <public-webapps@w3.org> > > > > Hi All, > > I think the current interaction between the screen orientation and > device orientation specs is really unfortunate. > > Any time that you use the device orientation in order to render > something on screen, you have to do non-obvious math in order to get > coordinates which are usable. Same thing if you want to use the device > orientation events as input for objects which are rendered on screen. > > I would argue that these are the by far most common use cases for > > I agree that the main problem here is that the deviceorientation spec > defined that their events should be relative to the device rather than > to the screen. However we can still fix the problem by simply adding > > partial interface DeviceOrientationEvent > { > readonly attribute double? screenAlpha; > readonly attribute double? screenBeta; > readonly attribute double? screenGamma; > } > > No new events needs to be defined. > > I guess we can argue that this should be added to the > DeviceOrientation spec, but that seems unlikely to happen in practice > anytime soon. I think we would do developers a disservice by blaming > procedural issues rather than trying to solve the problem. > > I think mozilla would be happy to implement such an addition to the > DeviceOrientation event (I'm currently checking to make sure). Are > there other UAs that have opinions (positive or negative) to such an > addition? > > / Jonas > > > >
Received on Monday, 11 August 2014 11:46:43 UTC