C++ (Cpp) setMainFrameScrollPosition示例

示例#1

文件： ScrollingTreeIOS.cpp 项目： MYSHLIFE/webkit

void ScrollingTreeIOS::scrollingTreeNodeDidScroll(ScrollingNodeID nodeID, const FloatPoint& scrollPosition, SetOrSyncScrollingLayerPosition scrollingLayerPositionAction)
{
    if (!m_scrollingCoordinator)
        return;

    if (nodeID == rootNode()->scrollingNodeID())
        setMainFrameScrollPosition(scrollPosition);

    callOnMainThread(bind(&AsyncScrollingCoordinator::scheduleUpdateScrollPositionAfterAsyncScroll, m_scrollingCoordinator.get(), nodeID, scrollPosition, isHandlingProgrammaticScroll(), scrollingLayerPositionAction));
}

示例#2

文件： ThreadedScrollingTree.cpp 项目： eocanha/webkit

void ThreadedScrollingTree::scrollingTreeNodeDidScroll(ScrollingNodeID nodeID, const FloatPoint& scrollPosition, const std::optional<FloatPoint>& layoutViewportOrigin, ScrollingLayerPositionAction scrollingLayerPositionAction)
{
    if (!m_scrollingCoordinator)
        return;

    if (nodeID == rootNode()->scrollingNodeID())
        setMainFrameScrollPosition(scrollPosition);

    RunLoop::main().dispatch([scrollingCoordinator = m_scrollingCoordinator, nodeID, scrollPosition, layoutViewportOrigin, localIsHandlingProgrammaticScroll = isHandlingProgrammaticScroll(), scrollingLayerPositionAction] {
        scrollingCoordinator->scheduleUpdateScrollPositionAfterAsyncScroll(nodeID, scrollPosition, layoutViewportOrigin, localIsHandlingProgrammaticScroll, scrollingLayerPositionAction);
    });
}

示例#3

文件： ScrollingTreeIOS.cpp 项目： cheekiatng/webkit

void ScrollingTreeIOS::scrollingTreeNodeDidScroll(ScrollingNodeID nodeID, const FloatPoint& scrollPosition, SetOrSyncScrollingLayerPosition scrollingLayerPositionAction)
{
    if (!m_scrollingCoordinator)
        return;

    if (nodeID == rootNode()->scrollingNodeID())
        setMainFrameScrollPosition(scrollPosition);

    RefPtr<AsyncScrollingCoordinator> scrollingCoordinator = m_scrollingCoordinator;
    bool localIsHandlingProgrammaticScroll = isHandlingProgrammaticScroll();

    callOnMainThread([scrollingCoordinator, nodeID, scrollPosition, localIsHandlingProgrammaticScroll, scrollingLayerPositionAction] {
        scrollingCoordinator->scheduleUpdateScrollPositionAfterAsyncScroll(nodeID, scrollPosition, localIsHandlingProgrammaticScroll, scrollingLayerPositionAction);
    });
}