97 lines
3.9 KiB
C++
97 lines
3.9 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 "ScrollingStateOverflowScrollProxyNode.h"
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#if ENABLE(ASYNC_SCROLLING)
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#include "ScrollingStateOverflowScrollingNode.h"
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#include "ScrollingStateTree.h"
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#include <wtf/text/TextStream.h>
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namespace WebCore {
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Ref<ScrollingStateOverflowScrollProxyNode> ScrollingStateOverflowScrollProxyNode::create(ScrollingStateTree& stateTree, ScrollingNodeID nodeID)
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{
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return adoptRef(*new ScrollingStateOverflowScrollProxyNode(stateTree, nodeID));
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}
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ScrollingStateOverflowScrollProxyNode::ScrollingStateOverflowScrollProxyNode(ScrollingStateTree& stateTree, ScrollingNodeID nodeID)
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: ScrollingStateNode(ScrollingNodeType::OverflowProxy, stateTree, nodeID)
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{
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}
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ScrollingStateOverflowScrollProxyNode::ScrollingStateOverflowScrollProxyNode(const ScrollingStateOverflowScrollProxyNode& stateNode, ScrollingStateTree& adoptiveTree)
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: ScrollingStateNode(stateNode, adoptiveTree)
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, m_overflowScrollingNodeID(stateNode.overflowScrollingNode())
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{
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}
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ScrollingStateOverflowScrollProxyNode::~ScrollingStateOverflowScrollProxyNode() = default;
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Ref<ScrollingStateNode> ScrollingStateOverflowScrollProxyNode::clone(ScrollingStateTree& adoptiveTree)
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{
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return adoptRef(*new ScrollingStateOverflowScrollProxyNode(*this, adoptiveTree));
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}
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OptionSet<ScrollingStateNode::Property> ScrollingStateOverflowScrollProxyNode::applicableProperties() const
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{
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constexpr OptionSet<Property> nodeProperties = { Property::OverflowScrollingNode };
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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 ScrollingStateOverflowScrollProxyNode::setOverflowScrollingNode(ScrollingNodeID nodeID)
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{
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if (nodeID == m_overflowScrollingNodeID)
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return;
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m_overflowScrollingNodeID = nodeID;
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setPropertyChanged(Property::OverflowScrollingNode);
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}
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void ScrollingStateOverflowScrollProxyNode::dumpProperties(TextStream& ts, ScrollingStateTreeAsTextBehavior behavior) const
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{
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ts << "Overflow scroll proxy node";
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ScrollingStateNode::dumpProperties(ts, behavior);
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if (auto* relatedOverflowNode = scrollingStateTree().stateNodeForID(m_overflowScrollingNodeID)) {
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auto scrollPosition = downcast<ScrollingStateOverflowScrollingNode>(*relatedOverflowNode).scrollPosition();
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ts.dumpProperty("related overflow scrolling node scroll position", scrollPosition);
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}
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if (behavior & ScrollingStateTreeAsTextBehaviorIncludeNodeIDs)
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ts.dumpProperty("overflow scrolling node", overflowScrollingNode());
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}
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} // namespace WebCore
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#endif // ENABLE(ASYNC_SCROLLING)
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