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 "ScrollingStateNode.h"
31
32namespace WebCore {
33
34class Scrollbar;
35
36class ScrollingStateFrameHostingNode final : public ScrollingStateNode {
37public:
38 WEBCORE_EXPORT static Ref<ScrollingStateFrameHostingNode> create(ScrollingStateTree&, ScrollingNodeID);
39 Ref<ScrollingStateNode> clone(ScrollingStateTree&) override;
40
41 virtual ~ScrollingStateFrameHostingNode();
42
43 enum ChangedProperty {
44 ParentRelativeScrollableRect = NumStateNodeBits
45 };
46
47 const LayoutRect& parentRelativeScrollableRect() const { return m_parentRelativeScrollableRect; }
48 WEBCORE_EXPORT void setParentRelativeScrollableRect(const LayoutRect&);
49
50 void dumpProperties(WTF::TextStream&, ScrollingStateTreeAsTextBehavior) const override;
51
52private:
53 ScrollingStateFrameHostingNode(ScrollingStateTree&, ScrollingNodeID);
54 ScrollingStateFrameHostingNode(const ScrollingStateFrameHostingNode&, ScrollingStateTree&);
55
56 void setAllPropertiesChanged() override;
57
58 LayoutRect m_parentRelativeScrollableRect;
59};
60
61} // namespace WebCore
62
63SPECIALIZE_TYPE_TRAITS_SCROLLING_STATE_NODE(ScrollingStateFrameHostingNode, isFrameHostingNode())
64
65#endif // ENABLE(ASYNC_SCROLLING)
66