[Webkit-unassigned] [Bug 253117] New: [UI-side compositing] Run keyboard scroll animations in the scrolling thread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=253117

            Bug ID: 253117
           Summary: [UI-side compositing] Run keyboard scroll animations
                    in the scrolling thread
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: simon.fraser at apple.com
                CC: simon.fraser at apple.com

We don't dispatch keyboard scrolling animations to the scrolling thread, and we should:

3   0x12f5acd6f WebKit::RemoteScrollingTreeMac::hasNodeWithAnimatedScrollChanged(bool)
4   0x1646dbee0 WebCore::ScrollingTree::setScrollAnimationInProgressForNode(unsigned long long, bool)
5   0x1646f7852 WebCore::ScrollingTreeScrollingNode::setScrollAnimationInProgress(bool)
6   0x1646fd406 WebCore::ThreadedScrollingTreeScrollingNodeDelegate::startAnimationCallback(WebCore::ScrollingEffectsController&)
7   0x16476fd98 WebCore::ScrollingEffectsController::startOrStopAnimationCallbacks()
8   0x16476fe3b WebCore::ScrollingEffectsController::setIsAnimatingKeyboardScrolling(bool)
9   0x16476fdea WebCore::ScrollingEffectsController::willBeginKeyboardScrolling()
10  0x164771da5 WebCore::ScrollingEffectsController::scrollAnimationWillStart(WebCore::ScrollAnimation&)
11  0x162597f5b WebCore::ScrollAnimation::didStart(WTF::MonotonicTime)
12  0x16474a98d WebCore::ScrollAnimationKeyboard::startKeyboardScroll(WebCore::KeyboardScroll const&)
13  0x16476fefc WebCore::ScrollingEffectsController::startKeyboardScroll(WebCore::KeyboardScroll const&)
14  0x1646fdcb3 WebCore::ThreadedScrollingTreeScrollingNodeDelegate::handleKeyboardScrollRequest(WebCore::RequestedKeyboardScrollData const&)
15  0x1646f6af8 WebCore::ScrollingTreeScrollingNode::handleKeyboardScrollRequest(WebCore::RequestedKeyboardScrollData const&)
16  0x1646f685a WebCore::ScrollingTreeScrollingNode::commitStateAfterChildren(WebCore::ScrollingStateNode const&)
17  0x1618fddb1 WebCore::ScrollingTreeFrameScrollingNodeMac::commitStateAfterChildren(WebCore::ScrollingStateNode const&)
18  0x1646da2b1 WebCore::ScrollingTree::updateTreeFromStateNodeRecursive(WebCore::ScrollingStateNode const*, WebCore::CommitTreeState&)
19  0x1646da27f WebCore::ScrollingTree::updateTreeFromStateNodeRecursive(WebCore::ScrollingStateNode const*, WebCore::CommitTreeState&)
20  0x1646da27f WebCore::ScrollingTree::updateTreeFromStateNodeRecursive(WebCore::ScrollingStateNode const*, WebCore::CommitTreeState&)
21  0x1646d9640 WebCore::ScrollingTree::commitTreeState(std::__1::unique_ptr<WebCore::ScrollingStateTree, std::__1::default_delete<WebCore::ScrollingStateTree>>&&)
22  0x12fcb8f1b WebKit::RemoteScrollingCoordinatorProxy::commitScrollingTreeState(WebKit::RemoteScrollingCoordinatorTransaction const&)

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