[Webkit-unassigned] [Bug 90458] New: -webkit-transition-property wrong computed value, causes screen jitter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=90458

           Summary: -webkit-transition-property wrong computed value,
                    causes screen jitter
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: http://download.dojotoolkit.org/release-1.7.3/dojo-rel
                    ease-1.7.3/dijit/tests/test_Toolbar.html
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: bill at dojotoolkit.org


See http://download.dojotoolkit.org/release-1.7.3/dojo-release-1.7.3/dijit/tests/test_Toolbar.html, which demonstrates a nasty jitter on hovering the toolbar buttons.

The root issue is that a node is getting a computed style of -webkit-transition-property of "all" even though the CSS is setting it to "background-color".   You can see that on node id="inner" of the attached (simplified) test case.

Hovering toolbar buttons is switches between padding==border==1px <--> padding==2px, border==0px.   That shouldn't cause a jitter, and especially it shouldn't since neither border nor padding are set as transition-properties.

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