[Bug 27865] Merge fullscreen element stack into top layer

https://www.w3.org/Bugs/Public/show_bug.cgi?id=27865

--- Comment #5 from Philip Jägenstedt <philipj@opera.com> ---
Continuing from IRC:
http://krijnhoetmer.nl/irc-logs/whatwg/20150702#l-364

I think it sounds like a good idea to merge the two stacks, and it becomes a
matter of keeping track which the elements in the top layer stack are there
because of fullscreen calls.

Previously one could only enter fullscreen for descendants (including via
iframes) of the current fullscreen element. So the new cases to make sure are
sane are:

1. You request fullscreen on an ancestor of the fullscreen element. Do nothing?

2. You request fullscreen on a sibling/uncle of the fullscreen element. Just
make it work?

3. You request fullscreen on the current fullscreen element. You can already do
this, but what should happen?

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Received on Thursday, 2 July 2015 08:03:14 UTC