Re: [PageVisibility] What should the visibility api return in display:none iframes?

Since the display: attribute is in control of the page, it doesn't feel like
we need to have another API to tell whether the iframe is visible or not.
Tying visibility to top level context makes sense here.


On Thu, Oct 6, 2011 at 4:24 PM, Jatinder Mann <jmann@microsoft.com> wrote:

> I think so. This behavior makes it clear that the iframe's visibility is
> tied with the top level document. This is the current behavior in both IE10
> and Chrome.
>
> Jatinder
>
> -----Original Message-----
> From: Boris Zbarsky [mailto:bzbarsky@MIT.EDU]
> Sent: Wednesday, October 05, 2011 8:28 PM
> To: Jatinder Mann
> Cc: public-web-perf@w3.org
> Subject: Re: [PageVisibility] What should the visibility api return in
> display:none iframes?
>
> On 10/5/11 7:01 PM, Jatinder Mann wrote:
> > We define the visibility as that of the top level browsing context; all
> connected documents, like iframes, must return the same value.
>
> Yes, I'm aware this is what the spec says right now.  What I'm asking is
> whether this is _desirable_.
>
> -Boris
>
>
>