1/*
2 * Copyright (C) 2019 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#if ENABLE(ASYNC_SCROLLING)
29
30#include "ScrollingTreeNode.h"
31
32namespace WebCore {
33
34class ScrollingTree;
35
36class ScrollingTreeFrameHostingNode : public ScrollingTreeNode {
37public:
38 WEBCORE_EXPORT static Ref<ScrollingTreeFrameHostingNode> create(ScrollingTree&, ScrollingNodeID);
39 virtual ~ScrollingTreeFrameHostingNode();
40
41private:
42 ScrollingTreeFrameHostingNode(ScrollingTree&, ScrollingNodeID);
43
44 void commitStateBeforeChildren(const ScrollingStateNode&) final;
45 void applyLayerPositions() final;
46
47 const LayoutRect& parentRelativeScrollableRect() const { return m_parentRelativeScrollableRect; }
48
49 LayoutPoint parentToLocalPoint(LayoutPoint) const final;
50
51 WEBCORE_EXPORT void dumpProperties(WTF::TextStream&, ScrollingStateTreeAsTextBehavior) const override;
52
53 LayoutRect m_parentRelativeScrollableRect;
54};
55
56} // namespace WebCore
57
58SPECIALIZE_TYPE_TRAITS_SCROLLING_NODE(ScrollingTreeFrameHostingNode, isFrameHostingNode())
59
60#endif // ENABLE(ASYNC_SCROLLING)
61