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Re: Proposal for ambient light

From: Philip Gladstone <pgladstone@cisco.com>
Date: Mon, 28 Nov 2011 14:30:10 -0500
Message-ID: <4ED3E142.7070808@cisco.com>
To: public-device-apis@w3.org

On 11/28/2011 6:10 AM, Dominique Hazael-Massieux wrote:
> Hi,
>
> During our TPAC F2F, I took an action item (ACTION-467) to make a
> concrete proposal for accessing information about the current ambient
> light for a given device.
>
> Part of the discussion during TPAC was that particular item might be
> better served by a CSS media query feature rather than an JavaScript API
> — at least, the use cases that involved adapting e.g. the colors of the
> user interface would be more logically served via such an approach.
>
> This would mean adding a "ambientlight" feature with min/max prefixes,
> that would take values in SI lux units.
>
>          <link rel="stylesheet" media="screen" href="default.css">
>          <link rel="stylesheet" media="screen and (min-ambientlight:
>          30000)" href="high-contrast.css">
>
> If the group thinks that's a reasonable approach, DAP could propose to
> start a joint WD with the CSS WG.
>
>
The proposed Sensors API: 
http://dev.w3.org/2009/dap/system-info/Sensors.html has made provision 
for ambient light (and has defined an ambient light sensor). Would this 
idea be in addition to that work, or is this intended to be a 
replacement for it?

Philip

-- 
Philip Gladstone
Distinguished Engineer
Product Development
pgladstone@cisco.com
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Received on Monday, 28 November 2011 19:30:48 GMT

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