[Webkit-unassigned] [Bug 95858] New: Move updateHoverActiveState to Document

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=95858

           Summary: Move updateHoverActiveState to Document
           Product: WebKit
           Version: 420+
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: allan.jensen at nokia.com


RenderLayer::updateHoverActiveState contains the logic that updates hover and active states during hit-tests, but hover and active states are document states, and does have any relation to layers other than documents having at least one layer.

By moving the function it will be in the same place as other active/hover state maintainace, plus we can avoid excessive updates of the states when some paths like RenderFlowThread::nodeAtPoint starts new hit-tests on a layer-level.

This patch/bug is the first step of an effort to move the side-effects of hover/active update out of hit-testing, so hit-testing ends up only doing hit-testing and does not cause side-effects.

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