----- Original Message -----
From: "Jonas Sicking" <[email protected]>
To: "Adrienne Porter Felt" <[email protected]>
Cc: [email protected], [email protected], 
[email protected], "Lucas Adamski" <[email protected]>, 
"dev-b2g mailing list" <[email protected]>
Sent: Thursday, May 3, 2012 4:05:38 AM
Subject: Re: [b2g] WebAPI Security Discussion: Vibration API

> We could implement a "allow by default but allow parent website to
> disable vibration" by extending the sandbox attribute. We could
> probably do audio that way too since sandboxes disable plugins.

when working on a previous user agent, when pitching what is essentially the 
sandbox attribute's 'allow-same-origin' functionality
to various people, a common request that came up was 'site authors want a way 
to stop hosted, possibly user generated, content being annoying'

so, FWIW i'm in favor of exploring extending the sandbox attribute to deal with 
cases like
restricting vibration or audio - the existing 'sandboxing automatic features' 
flag which is set if
'allow-scripts' isn't specified is a start along these lines already and has a 
somewhat 'up to the reader' interpretation
beyond the mentioned example use cases (stopping video autoplay and autofocus).

thanks,
ian
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