C++ (Cpp) shouldHandleWheelEventSynchronously示例

示例#1

ScrollingTree::EventResult RemoteScrollingTree::tryToHandleWheelEvent(const PlatformWheelEvent& wheelEvent)
{
    if (shouldHandleWheelEventSynchronously(wheelEvent))
        return SendToMainThread;

    if (willWheelEventStartSwipeGesture(wheelEvent))
        return DidNotHandleEvent;

    handleWheelEvent(wheelEvent);
    return DidHandleEvent;
}

示例#2

ScrollingTree::EventResult ThreadedScrollingTree::tryToHandleWheelEvent(const PlatformWheelEvent& wheelEvent)
{
    if (shouldHandleWheelEventSynchronously(wheelEvent))
        return SendToMainThread;

    if (willWheelEventStartSwipeGesture(wheelEvent))
        return DidNotHandleEvent;

    ScrollingThread::dispatch(bind(&ThreadedScrollingTree::handleWheelEvent, this, wheelEvent));
    return DidHandleEvent;
}

示例#3

文件： ThreadedScrollingTree.cpp 项目： eocanha/webkit

ScrollingTree::EventResult ThreadedScrollingTree::tryToHandleWheelEvent(const PlatformWheelEvent& wheelEvent)
{
    if (shouldHandleWheelEventSynchronously(wheelEvent))
        return SendToMainThread;

    if (willWheelEventStartSwipeGesture(wheelEvent))
        return DidNotHandleEvent;

    RefPtr<ThreadedScrollingTree> protectedThis(this);
    ScrollingThread::dispatch([protectedThis, wheelEvent] {
        protectedThis->handleWheelEvent(wheelEvent);
    });
    
    return DidHandleEvent;
}