blob: f66c8e3d05266700c279a219e5fa36ff64016dc9 [file] [log] [blame]
/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
* Copyright (C) 2019 Igalia S.L.
*
* 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) && USE(NICOSIA)
#include "ScrollingTreeNode.h"
#include <wtf/RefPtr.h>
namespace Nicosia {
class CompositionLayer;
}
namespace WebCore {
class ScrollingTreeOverflowScrollProxyNode final : public ScrollingTreeNode {
public:
static Ref<ScrollingTreeOverflowScrollProxyNode> create(ScrollingTree&, ScrollingNodeID);
virtual ~ScrollingTreeOverflowScrollProxyNode();
ScrollingNodeID overflowScrollingNodeID() const { return m_overflowScrollingNodeID; }
private:
ScrollingTreeOverflowScrollProxyNode(ScrollingTree&, ScrollingNodeID);
void commitStateBeforeChildren(const ScrollingStateNode&) override;
void applyLayerPositions() override;
WEBCORE_EXPORT void dumpProperties(TextStream&, OptionSet<ScrollingStateTreeAsTextBehavior>) const override;
ScrollingNodeID m_overflowScrollingNodeID { 0 };
RefPtr<Nicosia::CompositionLayer> m_layer;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_SCROLLING_NODE(ScrollingTreeOverflowScrollProxyNode, isOverflowScrollProxyNode())
#endif // ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)