Re: making page visibility a property of document instead of top level browsing context

Do you have an exact definition of what you mean by "visible" in this
context?

- James
On Aug 24, 2013 2:11 PM, "Arvind Jain" <arvind@google.com> wrote:

>
> Hi,
> I've seen a few requests where developers would like to query for
> visibility of their IFRAME (when the iframe is in third party context).
>
> Today, in Page Visibility, we set document.visibilityState to "hidden" or
> "visible", but it is really the visibility of the top level browsing
> context that includes the given document. This information is made
> available to third party IFRAMEs.
>
> What do folks think of making document.visibilityState the property of the
> document itself instead of the top level browsing context? That way you can
> detect conditions like when the IFRAME is below the fold and therefore not
> visible while the top level browsing context itself is visible.
>
> Thanks,
> Arvind
>