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Re: [deviceorientation] Add API for requesting permission to receive device motion / orientation events (#57)

From: erikmchut via GitHub <sysbot+gh@w3.org>
Date: Sat, 02 Feb 2019 00:28:38 +0000
To: public-device-apis-log@w3.org
Message-ID: <issue_comment.created-459913755-1549067317-sysbot+gh@w3.org>
@richtr we are members of the immersive web working group and are following the progress there closely, but the device motion / orientation APIs are in broad use today and this change affects us acutely.

@othermaciej, while the devicemotion permissions API is under consideration, could the WebKit team help lessen the impact to existing AR pages by allowing access to deviceorientation and devicemotion when a user has explicitly approved camera permissions for the page through getUserMedia()? This is used in 6 Degree-of-Freedom JavaScript libraries that power pages like the Sony Pictures' Spider-Man AR Experience: https://www.intothespiderverse-ar.com/ (currently broken in beta Safari 12.2b). Since the iOS getUserMedia permission is requested on every page load and typically only on high-trust sites, it seems likely to mitigate the fingerprinting concerns and privacy concerns from additional motion information.





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