ScrollingTree::EventResult RemoteScrollingTree::tryToHandleWheelEvent(const PlatformWheelEvent& wheelEvent)
{
if (shouldHandleWheelEventSynchronously(wheelEvent))
return SendToMainThread;
if (willWheelEventStartSwipeGesture(wheelEvent))
return DidNotHandleEvent;
handleWheelEvent(wheelEvent);
return DidHandleEvent;
}
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;
}
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;
}
ScrollingTree::EventResult ScrollingTree::tryToHandleWheelEvent(const PlatformWheelEvent& wheelEvent)
{
{
MutexLocker lock(m_mutex);
if (m_hasWheelEventHandlers)
return SendToMainThread;
if (!m_nonFastScrollableRegion.isEmpty()) {
// FIXME: This is not correct for non-default scroll origins.
IntPoint position = wheelEvent.position();
position.moveBy(m_mainFrameScrollPosition);
if (m_nonFastScrollableRegion.contains(position))
return SendToMainThread;
}
}
if (willWheelEventStartSwipeGesture(wheelEvent))
return DidNotHandleEvent;
ScrollingThread::dispatch(bind(&ScrollingTree::handleWheelEvent, this, wheelEvent));
return DidHandleEvent;
}