[presentation-api] Same-screen presentation (#476)

dlibby- has just created a new issue for https://github.com/w3c/presentation-api:

== Same-screen presentation ==
I was curious if there has been any discussion of a use case for using the PresentationAPI to present to the same screen where the PresentationRequest originates. I tried searching through the issues, but was unable to find previous discussion.

PowerPoint online is evaluating using the PresentationAPI, and were interested in supporting slideshow 'presentation' (i.e. rehearsing) even when in single screen mode. They would also like to have a single unified codepath for handling this, rather than falling back to window.open/requestFullscreen. Additionally, cases such as mirrored single displays could also use this pattern of having one codepath that just uses the PresentationAPI.

As far as I can tell, there is nothing in the spec that disallows for this usage, but at the same time, given the goals of the spec, 'presenting' to the same screen certainly feels unintuitive. As far as I've seen, current implementations only display secondary displays as available choices for presentation requests.


Please view or discuss this issue at https://github.com/w3c/presentation-api/issues/476 using your GitHub account

Received on Tuesday, 3 March 2020 00:49:38 UTC