[Webkit-unassigned] [Bug 99940] New: Should only fire a single set of mouse events and update hover state once when scrolling is done

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=99940

           Summary: Should only fire a single set of mouse events and
                    update hover state once when scrolling is done
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ojan at chromium.org
                CC: eric at webkit.org, esprehn at chromium.org,
                    tony at chromium.org, simon.fraser at apple.com,
                    arv at chromium.org, jamesr at chromium.org,
                    adamk at chromium.org
            Blocks: 99669


Created an attachment (id=169808)
 --> (https://bugs.webkit.org/attachment.cgi?id=169808&action=review)
test case

RIght now we fire them continuously. Gecko does not. On some pages this gives them much better performance (see blocked bug). Also, IMO, the user-experience in Gecko is nicer, although that's certainly arguable.

Perhaps the ideal solution would be to pay attention to scrolling speed and only update hover state and mouse events when the scrolling is below a certain speed.

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