[whatwg] Fullscreen changes to support <dialog>

[Robert O'Callahan]

This seems reasonable to me.

On Wed, Apr 4, 2012 at 11:14 AM, Ian Hickson <ian at hixie.ch> wrote:

>  This layer consists of a stack of elements, which each CSS viewport
>  maintains. These stacks are initially empty. When the layer is painted,
>  the elements in the stack are rendered in the order that they were added
>  to the stack, with the most recently added being rendered closest to the
>  user. The 'z-index' property is ignored for this stacking layer.
>

Is each element in this stack treated as having its own stacking context? I
assume so, but you'd better say so.

- Define a new pseudo-element ::backdrop which applies to any element in
>  such a stack; it addresses a box that exactly covers the viewport
>  immediately below the element in the stack, in the same stacking layer,
>  whose only applicable properties are the 'background' properties.
>  (Alternatively, make it a generic box with properties initially set to
>  have position:fixed and positioned to exactly cover the viewport, but
>  I don't see much point in letting people fiddle with this box's
>  positioning, display type, etc.)
>

It's probably more work to make all non-background properties inapplicable
than it would be to simply treat it like ::before/::after generated content.

Rob
-- 
“You have heard that it was said, ‘Love your neighbor and hate your enemy.’
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