[Webkit-unassigned] [Bug 69852] New: Example Plug-in does not demonstrate InvalidatingCoreAnimation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69852

           Summary: Example Plug-in does not demonstrate
                    InvalidatingCoreAnimation
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Plug-ins
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bgirard at mozilla.com


In the original description in Mozilla's bugzilla: https://bugzilla.mozilla.org/show_bug.cgi?id=692759, users report that the WebKit example plugin doesn't not run properly in Gecko. This is because the Core Animation drawing model is not supported since we don't use Core Animation for compositing layers. Instead Gecko uses InvalidatingCoreAnimation that is exactly the CoreAnimation drawing model with the additional requirement that NPN_InvalidateRect be called for the browser is work efficiently.

See https://wiki.mozilla.org/NPAPI:InvalidatingCoreAnimation for details.

The only requirement for the test plug-in is to prefer InvalidatingCoreAnimation if available and to call NPN_InvalidateRect if InvalidatingCoreAnimation is selected.

See sample is here:
http://svn.webkit.org/repository/webkit/trunk/Examples/NetscapeCoreAnimationPlugin/

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