112 lines
4.2 KiB
C++
112 lines
4.2 KiB
C++
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ScrollingStatePositionedNode.h"
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#include "GraphicsLayer.h"
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#include "Logging.h"
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#include "ScrollingStateTree.h"
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#include <wtf/text/TextStream.h>
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#if ENABLE(ASYNC_SCROLLING)
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namespace WebCore {
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Ref<ScrollingStatePositionedNode> ScrollingStatePositionedNode::create(ScrollingStateTree& stateTree, ScrollingNodeID nodeID)
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{
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return adoptRef(*new ScrollingStatePositionedNode(stateTree, nodeID));
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}
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ScrollingStatePositionedNode::ScrollingStatePositionedNode(ScrollingStateTree& tree, ScrollingNodeID nodeID)
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: ScrollingStateNode(ScrollingNodeType::Positioned, tree, nodeID)
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{
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}
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ScrollingStatePositionedNode::ScrollingStatePositionedNode(const ScrollingStatePositionedNode& node, ScrollingStateTree& adoptiveTree)
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: ScrollingStateNode(node, adoptiveTree)
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, m_relatedOverflowScrollingNodes(node.relatedOverflowScrollingNodes())
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, m_constraints(node.layoutConstraints())
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{
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}
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ScrollingStatePositionedNode::~ScrollingStatePositionedNode() = default;
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Ref<ScrollingStateNode> ScrollingStatePositionedNode::clone(ScrollingStateTree& adoptiveTree)
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{
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return adoptRef(*new ScrollingStatePositionedNode(*this, adoptiveTree));
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}
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OptionSet<ScrollingStateNode::Property> ScrollingStatePositionedNode::applicableProperties() const
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{
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constexpr OptionSet<Property> nodeProperties = { Property::RelatedOverflowScrollingNodes, Property::LayoutConstraintData };
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auto properties = ScrollingStateNode::applicableProperties();
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properties.add(nodeProperties);
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return properties;
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}
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void ScrollingStatePositionedNode::setRelatedOverflowScrollingNodes(Vector<ScrollingNodeID>&& nodes)
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{
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if (nodes == m_relatedOverflowScrollingNodes)
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return;
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m_relatedOverflowScrollingNodes = WTFMove(nodes);
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setPropertyChanged(Property::RelatedOverflowScrollingNodes);
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}
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void ScrollingStatePositionedNode::updateConstraints(const AbsolutePositionConstraints& constraints)
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{
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if (m_constraints == constraints)
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return;
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LOG_WITH_STREAM(Scrolling, stream << "ScrollingStatePositionedNode " << scrollingNodeID() << " updateConstraints " << constraints);
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m_constraints = constraints;
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setPropertyChanged(Property::LayoutConstraintData);
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}
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void ScrollingStatePositionedNode::dumpProperties(TextStream& ts, ScrollingStateTreeAsTextBehavior behavior) const
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{
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ts << "Positioned node";
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ScrollingStateNode::dumpProperties(ts, behavior);
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ts.dumpProperty("layout constraints", m_constraints);
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ts.dumpProperty("related overflow nodes", m_relatedOverflowScrollingNodes.size());
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if (behavior & ScrollingStateTreeAsTextBehaviorIncludeNodeIDs) {
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if (!m_relatedOverflowScrollingNodes.isEmpty()) {
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TextStream::GroupScope scope(ts);
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ts << "overflow nodes";
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for (auto nodeID : m_relatedOverflowScrollingNodes)
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ts << "\n" << indent << "nodeID " << nodeID;
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}
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}
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}
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} // namespace WebCore
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#endif // ENABLE(ASYNC_SCROLLING)
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