[Webkit-unassigned] [Bug 84796] Implement the new stacking layer needed by the Fullscreen API and the new <dialog> element

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84796


Matt Falkenhagen <falken at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |morrita at google.com




--- Comment #5 from Matt Falkenhagen <falken at chromium.org>  2012-09-21 01:32:57 PST ---
Jer, thanks for the comments.

After investigating some more and talking with morrita@, I'm wondering if we should use RenderLayer to implement this. It sounds like the RenderObject tree should basically correspond to the DOM tree, so moving the renderers around in the tree may cause problems.

I wonder if instead we can extend RenderLayer to do top layer stacking in addition to the existing z-index stacking. Each element in the top layer would have a RenderLayer. Then we can keep the RenderObjects in their usual place in the render tree. It might still be necessary to have their containing block (but not parent) be RenderFullScreen/RenderTopLayer, so it can do any special positioning required.

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