[whatwg] allowfullscreen vs sandbox="allow-fullscreen", and mimicking for pointer lock

Adam Barth w3c at adambarth.com
Tue Jul 31 15:26:35 PDT 2012

It looks like the ability to go full screen is off-by-default and then
enabled via the attribute.  If we used iframe at sandbox, the ability
would be on-by-default for non-sandboxed iframes.


On Tue, Jul 31, 2012 at 3:11 PM, Vincent Scheib <scheib at google.com> wrote:
> [correcting Anne van Kesteren's email]
> On Tue, Jul 31, 2012 at 3:03 PM, Vincent Scheib <scheib at google.com> wrote:
>> I'm currently implementing Pointer Lock [1] in WebKit, which was adjusted
>> recently to mimic Fullscreen [2].
>> Why does the Fullscreen specification use an iframe attribute
>> allowfullscreen to permit/restrict iframe capabilities instead of using
>> iframe sandbox="allow-fullscreen"?
>> [1] http://dvcs.w3.org/hg/pointerlock/raw-file/default/index.html
>> [2] http://dvcs.w3.org/hg/fullscreen/raw-file/tip/Overview.html

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