Re: Screen Orientation Feedback

If only someone had pointed out these problems earlier ;)
On Aug 5, 2014 11:17 PM, "Jonas Sicking" <jonas@sicking.cc> wrote:

> 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
>
>