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RE: updated draft of Permissions for Device API access (was "Device API Features and Capabilities")

From: Dominique Hazael-Massieux <dom@w3.org>
Date: Wed, 29 Sep 2010 11:23:15 +0200
To: Suresh Chitturi <schitturi@rim.com>
Cc: public-device-apis <public-device-apis@w3.org>
Message-ID: <1285752195.2551.1440.camel@localhost>
Le mardi 28 septembre 2010 à 13:07 -0500, Suresh Chitturi a écrit :
> Suresh>> The use case is I would only grant permission for one time
> which translates to getCurrentPosition() and in some cases I would be
> fine to grant permission for continuous monitoring and that is
> watchPosition() and yet in another case I don’t care about the details
> and grant for both getCurrentPosition() and watchPosition().

But who is "I" in this context? The user? thhe policy framework?

getCurrentPosition() is only distinguishable from watchPosition() when
it is limited in number, and wathcPosition() can be made equivalent to a
getCurrentPosition() by limiting it in duration. The number/duration
limitation parameter seems important, but I think it's orthogonal to the
actual permission that is granted, and probably ought to be specified
separately (e.g. through a <param> element in the <feature> element of
widgets P&C).

Maybe we should start collecting these parameters as part of the
document?

> Suresh>> My understanding is that these identifiers can be used in
> with the <feature> element prefixed with a URI as described in the 1.
> Introduction. And what I was merely suggesting is that a complementary
> statement be added that these identifiers can also be used in
> conjunction with the <access> element. 

But that doesn't seem to match what WARP currently allows; I don't know
how you would specify that only example.com can make use of geolocation
within the current form of WARP:
http://www.w3.org/TR/widgets-access/

That might be a worthwhile complement to WARP (in which case it should
be written up as a concrete specification), but I don't think it makes
to refer to it if it isn't specified yet.

Dom
Received on Wednesday, 29 September 2010 09:23:32 GMT

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