C++ (Cpp) ScrollingStateStickyNode::setLayer Exemples

Exemple #1

Fichier : AsyncScrollingCoordinator.cpp Projet : Wrichik1999/webkit

void AsyncScrollingCoordinator::updateViewportConstrainedNode(ScrollingNodeID nodeID, const ViewportConstraints& constraints, GraphicsLayer* graphicsLayer)
{
    ASSERT(supportsFixedPositionLayers());

    ScrollingStateNode* node = m_scrollingStateTree->stateNodeForID(nodeID);
    if (!node)
        return;

    switch (constraints.constraintType()) {
    case ViewportConstraints::FixedPositionConstraint: {
        ScrollingStateFixedNode* fixedNode = toScrollingStateFixedNode(node);
        fixedNode->setLayer(graphicsLayer);
        fixedNode->updateConstraints((const FixedPositionViewportConstraints&)constraints);
        break;
    }
    case ViewportConstraints::StickyPositionConstraint: {
        ScrollingStateStickyNode* stickyNode = toScrollingStateStickyNode(node);
        stickyNode->setLayer(graphicsLayer);
        stickyNode->updateConstraints((const StickyPositionViewportConstraints&)constraints);
        break;
    }
    }
}