C++ (Cpp) ScrollingStateOverflowScrollingNode示例

示例#1

文件： RemoteScrollingCoordinatorProxy.cpp 项目： Wrichik1999/webkit

void RemoteScrollingCoordinatorProxy::connectStateNodeLayers(ScrollingStateTree& stateTree, const RemoteLayerTreeHost& layerTreeHost, bool& fixedOrStickyLayerChanged)
{
    for (auto& currNode : stateTree.nodeMap().values()) {
        if (currNode->hasChangedProperty(ScrollingStateNode::ScrollLayer))
            currNode->setLayer(layerTreeHost.getLayer(currNode->layer()));

        switch (currNode->nodeType()) {
        case FrameScrollingNode: {
            ScrollingStateFrameScrollingNode* scrollingStateNode = toScrollingStateFrameScrollingNode(currNode);

            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::ScrolledContentsLayer))
                scrollingStateNode->setScrolledContentsLayer(layerTreeHost.getLayer(scrollingStateNode->scrolledContentsLayer()));

            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::CounterScrollingLayer))
                scrollingStateNode->setCounterScrollingLayer(layerTreeHost.getLayer(scrollingStateNode->counterScrollingLayer()));

            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::InsetClipLayer))
                scrollingStateNode->setInsetClipLayer(layerTreeHost.getLayer(scrollingStateNode->insetClipLayer()));

            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::ContentShadowLayer))
                scrollingStateNode->setContentShadowLayer(layerTreeHost.getLayer(scrollingStateNode->contentShadowLayer()));

            // FIXME: we should never have header and footer layers coming from the WebProcess.
            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::HeaderLayer))
                scrollingStateNode->setHeaderLayer(layerTreeHost.getLayer(scrollingStateNode->headerLayer()));

            if (scrollingStateNode->hasChangedProperty(ScrollingStateFrameScrollingNode::FooterLayer))
                scrollingStateNode->setFooterLayer(layerTreeHost.getLayer(scrollingStateNode->footerLayer()));
            break;
        }
        case OverflowScrollingNode: {
            ScrollingStateOverflowScrollingNode* scrollingStateNode = toScrollingStateOverflowScrollingNode(currNode);

            if (scrollingStateNode->hasChangedProperty(ScrollingStateOverflowScrollingNode::ScrolledContentsLayer))
                scrollingStateNode->setScrolledContentsLayer(layerTreeHost.getLayer(scrollingStateNode->scrolledContentsLayer()));
            break;
        }
        case FixedNode:
            if (currNode->hasChangedProperty(ScrollingStateNode::ScrollLayer))
                fixedOrStickyLayerChanged = true;
            break;
        case StickyNode:
            if (currNode->hasChangedProperty(ScrollingStateNode::ScrollLayer))
                fixedOrStickyLayerChanged = true;
            break;
        }
    }
}

示例#2

文件： AsyncScrollingCoordinator.cpp 项目： jeff-jenness/webkit

void AsyncScrollingCoordinator::updateOverflowScrollingNode(ScrollingNodeID nodeID, GraphicsLayer* layer, GraphicsLayer* scrolledContentsLayer, const ScrollingGeometry* scrollingGeometry)
{
    ScrollingStateOverflowScrollingNode* node = downcast<ScrollingStateOverflowScrollingNode>(m_scrollingStateTree->stateNodeForID(nodeID));
    ASSERT(node);
    if (!node)
        return;

    node->setLayer(layer);
    node->setScrolledContentsLayer(scrolledContentsLayer);
    
    if (scrollingGeometry) {
        node->setScrollOrigin(scrollingGeometry->scrollOrigin);
        node->setScrollPosition(scrollingGeometry->scrollPosition);
        node->setTotalContentsSize(scrollingGeometry->contentSize);
        node->setReachableContentsSize(scrollingGeometry->reachableContentSize);
        node->setScrollableAreaSize(scrollingGeometry->scrollableAreaSize);
#if ENABLE(CSS_SCROLL_SNAP)
        setStateScrollingNodeSnapOffsetsAsFloat(*node, ScrollEventAxis::Horizontal, &scrollingGeometry->horizontalSnapOffsets, m_page->deviceScaleFactor());
        setStateScrollingNodeSnapOffsetsAsFloat(*node, ScrollEventAxis::Vertical, &scrollingGeometry->verticalSnapOffsets, m_page->deviceScaleFactor());
        node->setCurrentHorizontalSnapPointIndex(scrollingGeometry->currentHorizontalSnapPointIndex);
        node->setCurrentVerticalSnapPointIndex(scrollingGeometry->currentVerticalSnapPointIndex);
#endif
    }
}

示例#3

文件： AsyncScrollingCoordinator.cpp 项目： Wrichik1999/webkit

void AsyncScrollingCoordinator::updateOverflowScrollingNode(ScrollingNodeID nodeID, GraphicsLayer* layer, GraphicsLayer* scrolledContentsLayer, const ScrollingGeometry* scrollingGeometry)
{
    ScrollingStateOverflowScrollingNode* node = toScrollingStateOverflowScrollingNode(m_scrollingStateTree->stateNodeForID(nodeID));
    ASSERT(node);
    if (!node)
        return;

    node->setLayer(layer);
    node->setScrolledContentsLayer(scrolledContentsLayer);
    
    if (scrollingGeometry) {
        node->setScrollOrigin(scrollingGeometry->scrollOrigin);
        node->setScrollPosition(scrollingGeometry->scrollPosition);
        node->setTotalContentsSize(scrollingGeometry->contentSize);
        node->setScrollableAreaSize(scrollingGeometry->scrollableAreaSize);
    }
}

示例#4

文件： ScrollingStateOverflowScrollingNode.cpp 项目： AndriyKalashnykov/webkit

ScrollingStateOverflowScrollingNode::ScrollingStateOverflowScrollingNode(const ScrollingStateOverflowScrollingNode& stateNode, ScrollingStateTree& adoptiveTree)
    : ScrollingStateScrollingNode(stateNode, adoptiveTree)
{
    if (hasChangedProperty(ScrolledContentsLayer))
        setScrolledContentsLayer(stateNode.scrolledContentsLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
}