[whatwg] Fullscreen feedback
Ian Hickson
ian at hixie.ch
Fri Aug 20 21:45:07 PDT 2010
On Sat, 21 Aug 2010, Robert O'Callahan wrote:
> On Sat, Aug 21, 2010 at 8:24 AM, Ian Hickson <ian at hixie.ch> wrote:
> >
> > One comment: Rather than adding an "allowfullscreen" attribute on
> > <iframe>, I would suggest just assuing that sandboxed content (i.e.
> > content of iframes with the sandbox="" attribute) can't go fullscreen.
> > I can provide a sandbox flag for this state. If we think there are use
> > cases for allowing sandboxed iframes to go fullscreen, then I can also
> > add a keyword that turns off the flag when present (like
> > "allow-scripts" does for scripts). (I'm assuming there are no cases
> > for disabling fullscreen for unsandboxed iframes; are there?)
>
> What about legacy content that doesn't use "sandbox"? It might expect
> cross-origin IFRAMEs to not be able to take over its window, but if the
> IFRAME content goes fullscreen, it effectively can.
>
> I think allowing subframes to go fullscreen should always be opt-in.
You're completely right, sorry. I had this backwards.
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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