// This copy constructor is used for cloning nodes in the tree, and it doesn't make sense
// to clone the relationship pointers, so don't copy that information from the original node.
ScrollingStateNode::ScrollingStateNode(const ScrollingStateNode& stateNode, ScrollingStateTree& adoptiveTree)
: m_nodeType(stateNode.nodeType())
, m_nodeID(stateNode.scrollingNodeID())
, m_changedProperties(stateNode.changedProperties())
, m_scrollingStateTree(adoptiveTree)
, m_parent(nullptr)
{
if (hasChangedProperty(ScrollLayer))
setLayer(stateNode.layer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
scrollingStateTree().addNode(this);
}
ScrollingStateFrameScrollingNode::ScrollingStateFrameScrollingNode(const ScrollingStateFrameScrollingNode& stateNode, ScrollingStateTree& adoptiveTree)
: ScrollingStateScrollingNode(stateNode, adoptiveTree)
#if PLATFORM(MAC)
, m_verticalScrollerImp(stateNode.verticalScrollerImp())
, m_horizontalScrollerImp(stateNode.horizontalScrollerImp())
#endif
, m_eventTrackingRegions(stateNode.eventTrackingRegions())
, m_requestedScrollPosition(stateNode.requestedScrollPosition())
, m_frameScaleFactor(stateNode.frameScaleFactor())
, m_topContentInset(stateNode.topContentInset())
, m_headerHeight(stateNode.headerHeight())
, m_footerHeight(stateNode.footerHeight())
, m_synchronousScrollingReasons(stateNode.synchronousScrollingReasons())
, m_behaviorForFixed(stateNode.scrollBehaviorForFixedElements())
, m_requestedScrollPositionRepresentsProgrammaticScroll(stateNode.requestedScrollPositionRepresentsProgrammaticScroll())
, m_fixedElementsLayoutRelativeToFrame(stateNode.fixedElementsLayoutRelativeToFrame())
{
if (hasChangedProperty(ScrolledContentsLayer))
setScrolledContentsLayer(stateNode.scrolledContentsLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(CounterScrollingLayer))
setCounterScrollingLayer(stateNode.counterScrollingLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(InsetClipLayer))
setInsetClipLayer(stateNode.insetClipLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(ContentShadowLayer))
setContentShadowLayer(stateNode.contentShadowLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(HeaderLayer))
setHeaderLayer(stateNode.headerLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(FooterLayer))
setFooterLayer(stateNode.footerLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
}
ScrollingStateScrollingNode::ScrollingStateScrollingNode(const ScrollingStateScrollingNode& stateNode, ScrollingStateTree& adoptiveTree)
: ScrollingStateNode(stateNode, adoptiveTree)
#if PLATFORM(MAC)
, m_verticalScrollbarPainter(stateNode.verticalScrollbarPainter())
, m_horizontalScrollbarPainter(stateNode.horizontalScrollbarPainter())
#endif
, m_viewportSize(stateNode.viewportSize())
, m_totalContentsSize(stateNode.totalContentsSize())
, m_scrollPosition(stateNode.scrollPosition())
, m_scrollOrigin(stateNode.scrollOrigin())
, m_scrollableAreaParameters(stateNode.scrollableAreaParameters())
, m_nonFastScrollableRegion(stateNode.nonFastScrollableRegion())
, m_frameScaleFactor(stateNode.frameScaleFactor())
, m_wheelEventHandlerCount(stateNode.wheelEventHandlerCount())
, m_synchronousScrollingReasons(stateNode.synchronousScrollingReasons())
, m_behaviorForFixed(stateNode.scrollBehaviorForFixedElements())
, m_headerHeight(stateNode.headerHeight())
, m_footerHeight(stateNode.footerHeight())
, m_requestedScrollPosition(stateNode.requestedScrollPosition())
, m_requestedScrollPositionRepresentsProgrammaticScroll(stateNode.requestedScrollPositionRepresentsProgrammaticScroll())
, m_topContentInset(stateNode.topContentInset())
{
if (hasChangedProperty(ScrolledContentsLayer))
setScrolledContentsLayer(stateNode.scrolledContentsLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(CounterScrollingLayer))
setCounterScrollingLayer(stateNode.counterScrollingLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(InsetClipLayer))
setInsetClipLayer(stateNode.insetClipLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(ContentShadowLayer))
setContentShadowLayer(stateNode.contentShadowLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(HeaderLayer))
setHeaderLayer(stateNode.headerLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
if (hasChangedProperty(FooterLayer))
setFooterLayer(stateNode.footerLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
}
ScrollingStateOverflowScrollingNode::ScrollingStateOverflowScrollingNode(const ScrollingStateOverflowScrollingNode& stateNode, ScrollingStateTree& adoptiveTree)
: ScrollingStateScrollingNode(stateNode, adoptiveTree)
{
if (hasChangedProperty(ScrolledContentsLayer))
setScrolledContentsLayer(stateNode.scrolledContentsLayer().toRepresentation(adoptiveTree.preferredLayerRepresentation()));
}