[Webkit-unassigned] [Bug 38443] Flash video in iframe stays on top of everything (no matter what z-index)

Wed May 19 15:32:50 PDT 2010

https://bugs.webkit.org/show_bug.cgi?id=38443

--- Comment #8 from Artur <arturadib at gmail.com>  2010-05-19 15:32:50 PST ---
(In reply to comment #7)
> Yes, I can reproduce this, and I believe it is expected behavior. If you want the Flash plug-in to composite with other elements in the page, you need to use the transparent wmode.

What if I have no control over the wmode, such as when the Flash object is within a frame from a different origin (our case)?  This makes it impossible for us to bring up important modal dialogs or pull-down menus on top of the Flash object.  It kills us.

Note that all browsers in all platforms we've tried--except for WebKit on Windows--seem to implement this differently.  We checked Firefox-Mac, Firefox-Windows, WebKit-Mac, IE-Win, and Opera-Mac.  (It doesn't help to sandbox the iframe, as this gives rise to a whole new set of issues, see e.g. https://bugs.webkit.org/show_bug.cgi?id=39219).

My question is: what's so special about Flash objects (or any plugin for that matter) that makes them have layering priority over *all* other HTML elements?  Please correct if I'm mistaken, but it seems to me that such 'power' is unique to plugins; other HTML elements nicely obey z-indices.  We have only experienced this overlap issue with Flash videos.

Thanks for your help and attention!

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