Bug 32180

Summary: Video can overlap position:fixed element when scrolling
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: Layout and RenderingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: eric.carlson, mitz
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: Mac   
OS: OS X 10.5   
URL: http://camendesign.com/code/video_for_everybody
Attachments:
Description Flags
Patch mitz: review+

Simon Fraser (smfr)
Reported 2009-12-04 16:32:58 PST
On the page in the URL, make the window short enough so that when you scroll up, the video overlaps the position:fixed bar at the bottom. Note that it's possible to get into a state where the video can overlap the position:fixed bar. Resizing the window fixes it. The issue here is that we're not doing layout on scroll, so we're not running the overlap logic in RenderLayerCompositor::computeCompositingRequirements().
Attachments
Patch (97.93 KB, patch)
2010-01-27 16:48 PST, Simon Fraser (smfr) 		mitz: review+
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Simon Fraser (smfr)
Comment 1 2010-01-25 21:21:51 PST
Also seen on nyt.com, and in NetNewsWire themes.
Simon Fraser (smfr)
Comment 2 2010-01-27 16:48:39 PST
Created attachment 47574 [details] Patch
Simon Fraser (smfr)
Comment 3 2010-01-28 10:07:29 PST
http://trac.webkit.org/changeset/54006
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