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/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(ASYNC_SCROLLING)
#include "ScrollingStateNode.h"
namespace WebCore {
class Scrollbar;
class ScrollingStateFrameHostingNode final : public ScrollingStateNode {
public:
WEBCORE_EXPORT static Ref<ScrollingStateFrameHostingNode> create(ScrollingStateTree&, ScrollingNodeID);
Ref<ScrollingStateNode> clone(ScrollingStateTree&) override;
virtual ~ScrollingStateFrameHostingNode();
enum ChangedProperty {
ParentRelativeScrollableRect = NumStateNodeBits
};
const LayoutRect& parentRelativeScrollableRect() const { return m_parentRelativeScrollableRect; }
WEBCORE_EXPORT void setParentRelativeScrollableRect(const LayoutRect&);
void dumpProperties(WTF::TextStream&, ScrollingStateTreeAsTextBehavior) const override;
private:
ScrollingStateFrameHostingNode(ScrollingStateTree&, ScrollingNodeID);
ScrollingStateFrameHostingNode(const ScrollingStateFrameHostingNode&, ScrollingStateTree&);
void setPropertyChangedBitsAfterReattach() override;
LayoutRect m_parentRelativeScrollableRect;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_SCROLLING_STATE_NODE(ScrollingStateFrameHostingNode, isFrameHostingNode())
#endif // ENABLE(ASYNC_SCROLLING)