void ScrollingTreeScrollingNode::updateBeforeChildren(ScrollingStateNode* stateNode)
{
ScrollingStateScrollingNode* state = toScrollingStateScrollingNode(stateNode);
if (state->hasChangedProperty(ScrollingStateScrollingNode::ViewportRect))
m_viewportRect = state->viewportRect();
if (state->hasChangedProperty(ScrollingStateScrollingNode::TotalContentsSize)) {
if (scrollingTree().isRubberBandInProgress())
m_totalContentsSizeForRubberBand = m_totalContentsSize;
else
m_totalContentsSizeForRubberBand = state->totalContentsSize();
m_totalContentsSize = state->totalContentsSize();
}
if (state->hasChangedProperty(ScrollingStateScrollingNode::FrameScaleFactor))
m_frameScaleFactor = state->frameScaleFactor();
if (state->hasChangedProperty(ScrollingStateScrollingNode::ShouldUpdateScrollLayerPositionOnMainThread))
m_shouldUpdateScrollLayerPositionOnMainThread = state->shouldUpdateScrollLayerPositionOnMainThread();
if (state->hasChangedProperty(ScrollingStateScrollingNode::HorizontalScrollElasticity))
m_horizontalScrollElasticity = state->horizontalScrollElasticity();
if (state->hasChangedProperty(ScrollingStateScrollingNode::VerticalScrollElasticity))
m_verticalScrollElasticity = state->verticalScrollElasticity();
if (state->hasChangedProperty(ScrollingStateScrollingNode::HasEnabledHorizontalScrollbar))
m_hasEnabledHorizontalScrollbar = state->hasEnabledHorizontalScrollbar();
if (state->hasChangedProperty(ScrollingStateScrollingNode::HasEnabledVerticalScrollbar))
m_hasEnabledVerticalScrollbar = state->hasEnabledVerticalScrollbar();
if (state->hasChangedProperty(ScrollingStateScrollingNode::HorizontalScrollbarMode))
m_horizontalScrollbarMode = state->horizontalScrollbarMode();
if (state->hasChangedProperty(ScrollingStateScrollingNode::VerticalScrollbarMode))
m_verticalScrollbarMode = state->verticalScrollbarMode();
if (state->hasChangedProperty(ScrollingStateScrollingNode::ScrollOrigin))
m_scrollOrigin = state->scrollOrigin();
if (state->hasChangedProperty(ScrollingStateScrollingNode::HeaderHeight))
m_headerHeight = state->headerHeight();
if (state->hasChangedProperty(ScrollingStateScrollingNode::FooterHeight))
m_footerHeight = state->footerHeight();
if (state->hasChangedProperty(ScrollingStateScrollingNode::BehaviorForFixedElements))
m_behaviorForFixed = state->scrollBehaviorForFixedElements();
}
void RemoteScrollingTreeTextStream::dump(const ScrollingStateScrollingNode& node, bool changedPropertiesOnly)
{
RemoteScrollingTreeTextStream& ts = *this;
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::ViewportSize))
dumpProperty(ts, "viewport-size", node.viewportSize());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::TotalContentsSize))
dumpProperty(ts, "total-contents-size", node.totalContentsSize());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::ScrollPosition))
dumpProperty(ts, "scroll-position", node.scrollPosition());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::ScrollOrigin))
dumpProperty(ts, "scroll-origin", node.scrollOrigin());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::FrameScaleFactor))
dumpProperty(ts, "frame-scale-factor", node.frameScaleFactor());
// FIXME: dump nonFastScrollableRegion
// FIXME: dump wheelEventHandlerCount
// FIXME: dump synchronousScrollingReasons
// FIXME: dump scrollableAreaParameters
// FIXME: dump scrollBehaviorForFixedElements
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::RequestedScrollPosition)) {
dumpProperty(ts, "requested-scroll-position", node.requestedScrollPosition());
dumpProperty(ts, "requested-scroll-position-is-programatic", node.requestedScrollPositionRepresentsProgrammaticScroll());
}
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::HeaderHeight))
dumpProperty(ts, "header-height", node.headerHeight());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::FooterHeight))
dumpProperty(ts, "footer-height", node.footerHeight());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::TopContentInset))
dumpProperty(ts, "top-content-inset", node.topContentInset());
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::ScrolledContentsLayer))
dumpProperty(ts, "scrolled-contents-layer", static_cast<GraphicsLayer::PlatformLayerID>(node.scrolledContentsLayer()));
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::CounterScrollingLayer))
dumpProperty(ts, "counter-scrolling-layer", static_cast<GraphicsLayer::PlatformLayerID>(node.counterScrollingLayer()));
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::InsetClipLayer))
dumpProperty(ts, "clip-inset-layer", static_cast<GraphicsLayer::PlatformLayerID>(node.insetClipLayer()));
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::HeaderLayer))
dumpProperty(ts, "header-layer", static_cast<GraphicsLayer::PlatformLayerID>(node.headerLayer()));
if (!changedPropertiesOnly || node.hasChangedProperty(ScrollingStateScrollingNode::FooterLayer))
dumpProperty(ts, "footer-layer", static_cast<GraphicsLayer::PlatformLayerID>(node.footerLayer()));
}
ScrollingStateScrollingNode::ScrollingStateScrollingNode(const ScrollingStateScrollingNode& stateNode, ScrollingStateTree& adoptiveTree)
: ScrollingStateNode(stateNode, adoptiveTree)
, m_scrollableAreaSize(stateNode.scrollableAreaSize())
, m_totalContentsSize(stateNode.totalContentsSize())
, m_scrollPosition(stateNode.scrollPosition())
, m_requestedScrollPosition(stateNode.requestedScrollPosition())
, m_scrollOrigin(stateNode.scrollOrigin())
, m_scrollableAreaParameters(stateNode.scrollableAreaParameters())
, m_requestedScrollPositionRepresentsProgrammaticScroll(stateNode.requestedScrollPositionRepresentsProgrammaticScroll())
{
}
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()));
}
