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

From: Suresh Chitturi <schitturi@rim.com>
Date: Wed, 29 Sep 2010 09:09:24 -0500
Message-ID: <D37CC1B151BD57489F4F89609F168FE8070EB599@XCH01DFW.rim.net>
To: "Dominique Hazael-Massieux" <dom@w3.org>
Cc: "public-device-apis" <public-device-apis@w3.org>
-----Original Message-----
From: Dominique Hazael-Massieux [mailto:dom@w3.org] 
Sent: Wednesday, September 29, 2010 4:23 AM
To: Suresh Chitturi
Cc: public-device-apis
Subject: RE: updated draft of Permissions for Device API access (was "Device API Features and Capabilities")

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?

Suresh>> All of the above?

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.

Suresh>> This was my understanding that WARP allows you to control which domains can access the APIs listed under <feature> elements. Robin is an expert on this and we should seek his input.

Dom


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Received on Wednesday, 29 September 2010 14:10:16 GMT

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