[whatwg] Fullscreen feedback

Adam Barth w3c at adambarth.com
Sun Aug 22 21:42:00 PDT 2010

On Sun, Aug 22, 2010 at 9:39 PM, Robert O'Callahan <robert at ocallahan.org> wrote:
>> On Sun, Aug 22, 2010 at 8:00 PM, Robert O'Callahan <robert at ocallahan.org>
>> wrote:
>> > On Sun, Aug 22, 2010 at 4:12 AM, Adam Barth <w3c at adambarth.com> wrote:
>> >> This doesn't seem like a good model for full-screen.  I would think
>> >> the model of re-parenting the content to a popup window that fills the
>> >> entire screen would be a better model.
>> >
>> > I think that model is a lot harder to spec and a lot harder for Web
>> > authors
>> > to understand. I'd certainly be interested in looking at a proposal if
>> > someone wants to pursue that approach.
>> There's been some work in WebKit around the concept of a "magic
>> iframe" that keeps it's environment intact even when it's adopted from
>> one document to another.  I'm not sure how much of that has been
>> discussed for standardization, but you could imagine a model like that
>> working where a frame is adopted into a "popup" window that fills the
>> screen.
> That's sorta-ok if your video is a subframe that you treat as a black box.
> But if your video element is just an element in your page with event
> handlers attached to it, and with various scripts that interact with it, and
> you rip that element out (plus maybe some supporting elements representing
> your player UI) and drop it in another document, it seems to me you're going
> to have to code very carefully to ensure it keeps working over there (and
> the original page doesn't get into a bad state). If there's confirmation UI
> so that the movement between documents happens asynchronously, it's even
> more exciting. Moving the element back when the user exits fullscreen has
> similar issues.
> Maybe there are ways to make that model easy and convenient for authors. I'd
> like to see a proposal.

Oh, I think the iframe-at-a-time is an easier model to work with since
the scripting context will get adopted into the full-screen view
together with the elements.


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