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Re: [presentation-api] Allow page to designate a default presentation URL

From: François Daoust via GitHub <sysbot+gh@w3.org>
Date: Thu, 02 Jul 2015 15:32:09 +0000
To: public-secondscreen@w3.org
Message-ID: <issue_comment.created-118069612-1435851128-sysbot+gh@w3.org>
Hi @avayvod 

> There's no information for the tab to provide to the user agent and 
nothing to control except for stopping the mirroring. So this could 
already be implemented by the user agent without any API.

The communication channel would not mean anything in that case, 
indeed.


> Do you think there's a use case for the tab to initiate mirroring 
rather than a presentation?

Hmm. I think my reaction was more triggered by the lack of symmetry in
 your proposal than by a specific use case: when the user presses the 
"present" button in the UA chrome, it will mirror the tab by default, 
or present a URL, whereas when the user presses a "present" button in 
the page, it can only present a URL.

While preparing the charter of the group, I remember a few exchanges 
with people who were surprised that content mirroring was not in 
scope. It seems that many people think about content mirroring first 
when they think about projecting content onto a second screen (and are
 also sure that it is way easier to achieve than presenting different 
content but that's another story).

That is all very subjective and does not really create a use case that
 would require that feature to be exposed at the API level (well, and 
it's out of scope for the group as just alluded to).


-- 
GitHub Notif of comment by tidoust
See 
https://github.com/w3c/presentation-api/issues/26#issuecomment-118069612
Received on Thursday, 2 July 2015 15:32:10 UTC

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