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Re: RfC: Wide review of Generic Sensor and Ambient Light Sensor API

From: Michael Cooper <cooper@w3.org>
Date: Mon, 7 Nov 2016 11:53:05 -0500
To: Dominique Hazael-Massieux <dom@w3.org>, public-device-apis@w3.org
Cc: Janina@rednote.net, Accessible Platform Architectures Working Group <public-apa@w3.org>
Message-ID: <837bceb6-06b2-f597-d913-f4b1ab15ac46@w3.org>
Hi - this is an official response on behalf of the APA WG that APA has 
no comments to file on Generic Sensor API and Ambient Light Sensor:

https://www.w3.org/WAI/APA/wiki/Ambient_Light_Sensor
https://www.w3.org/WAI/APA/wiki/Generic_Sensor_API

Michael


On 30/08/2016 6:23 AM, Dominique Hazael-Massieux wrote:
> Dear APA WG, Geo WG, Privacy IG, WebAppSec WG, Web Platform WG, Auto WG,
> Wot IG, CSS WG, TAG chairs,
>
> The Device and Sensors Working Group just published two updated Working
> Drafts of:
> * the Generic Sensor API
>    https://www.w3.org/TR/2016/WD-generic-sensor-20160830/
>
> * the Ambient Light Sensor
>    https://www.w3.org/TR/2016/WD-ambient-light-20160830/
> on which the group is seeking wide review, especially from your groups.
> Preferably, we would like to receive your reviews before TPAC (September
> 19) so that we can use our meeting there to make progress on the
> received feedback. We will not request transition to Candidate
> Recommendation before mid-October, so any feedback received by then will
> be taken into account as part of the "wide review" process.
>
> For context, the Generic Sensor API is a an abstract API that can serve
> as a basis for any kind of sensors; the Ambient Light API is the most
> advanced of our APIs based on that framework, and demonstrates how a
> concrete API is built on top of the sensor API.
>
> Other APIs to be built on top of the Generic Sensor API include
> accelerometer, magnetometer, gyroscope, proximity [1], but we're not
> specifically calling for wide reviews on these yet.
>
> For sake of clarity, we're calling the following groups for reviews with
> the following expectation:
> * for APA WG, to determine if the specific ambient light API under
> review brings accessibility concerns, and more generally, if the generic
> sensor API needs to highlight generically applicable accessibility
> concerns with exposing sensor data
>
> * for WebAppSec, we are seeking likewise review on the general impact on
> security of exposing sensors data, the specific risks associated with
> Ambient Light; we are also seeking input on the generic security
> considerations in the Generic Sensor API, in particular the relationship
> with secured contexts, permissions and permission delegation
>
> * for the Privacy IG, we're seeking input on the privacy risks that are
> generally applicable to sensor data (generic sensor API), and the ones
> that are specific to ambient light, and whether the current privacy
> considerations satisfactorily cover them
>
> * for the Geolocation WG, we're seeking input based on the group's
> experience with the first widely-deployed sensor APIs (geolocation and
> deviceorientation), to see in particular if the generic sensor API
> appropriately covers some of the issues that emerged in this prior work
>
> * for the Web Platform WG and the TAG, we're seeking overall review of
> the shape of the API, its integration with the rest of the platform and
> its usage of WebIDL (noting that the TAG has already provided input to
> the generic sensor API)
>
> * for the Auto WG, while we understand that the group is moving away
> from a WebIDL-based approach to gathering sensor data, a review of the
> generic sensor API as a potential wrapper around the new approach
> explored by the group might usefully expose limitations of our specification
>
> * for the WoT Interest Group, we're seeking feedback on whether the
> Generic Sensor API is applicable as is (and if not, what would need to
> change) in the contexts the group is exploring for communications with
> sensors
>
> * for the CSS Working Group, we're specifically seeking feedback on the
> Ambient Light API, since it exposes a similar functionality as the one
> that was at some point considered for CSS Media Queries (as "luminosity"
> or "light level")
>
> If you determine your group does not need to provide input, we would
> also appreciate if you could let us know.
>
> Thanks,
>
> Dominique Hazael-Massieux, Staff Contact for Device & Sensors Working Group
> for Frederick Hirsch, Chair
>
> 1. https://www.w3.org/TR/2016/WD-ambient-light-20160830/
>
Received on Monday, 7 November 2016 16:53:12 UTC

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