[Webkit-unassigned] [Bug 60924] New: Timeline in media controller not repainted properly on initial load

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=60924

           Summary: Timeline in media controller not repainted properly on
                    initial load
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
               URL: http://www.clayloomis.com/Sounds/simp302b.wav
        OS/Version: Mac OS X 10.6
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media Elements
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: jonlee at apple.com


When loading a wav file in the browser the timeline background does not repaint fully. I am seeing this on ToT Safari, but can demonstrate this on Google Chrome Canary also (not sure which change list it is built on).

Open up a web browser and load a wav file, such as:

http://www.clayloomis.com/Sounds/simp319c.wav

or

http://www.clayloomis.com/Sounds/simp302b.wav

You may need to reload the "page" twice. The rendering bug doesn't occur consistently. On Canary, after the welcome screen, I load the latter URL, and after the .wav plays, I get a display similar to what is attached. As soon as I focus another window the timeline repaints appropriately. Subsequent reloads work fine.

I think it may have to do with files that load quickly, but do not appropriately repaint the timeline.

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