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#include "config.h"
27#include "ScrollingStateFrameHostingNode.h"
28
29#if ENABLE(ASYNC_SCROLLING) || USE(COORDINATED_GRAPHICS)
30
31#include "ScrollingStateTree.h"
32#include <wtf/text/TextStream.h>
33
34namespace WebCore {
35
36Ref<ScrollingStateFrameHostingNode> ScrollingStateFrameHostingNode::create(ScrollingStateTree& stateTree, ScrollingNodeID nodeID)
37{
38 return adoptRef(*new ScrollingStateFrameHostingNode(stateTree, nodeID));
39}
40
41ScrollingStateFrameHostingNode::ScrollingStateFrameHostingNode(ScrollingStateTree& stateTree, ScrollingNodeID nodeID)
42 : ScrollingStateNode(ScrollingNodeType::FrameHosting, stateTree, nodeID)
43{
44 ASSERT(isFrameHostingNode());
45}
46
47ScrollingStateFrameHostingNode::ScrollingStateFrameHostingNode(const ScrollingStateFrameHostingNode& stateNode, ScrollingStateTree& adoptiveTree)
48 : ScrollingStateNode(stateNode, adoptiveTree)
49 , m_parentRelativeScrollableRect(stateNode.parentRelativeScrollableRect())
50{
51}
52
53ScrollingStateFrameHostingNode::~ScrollingStateFrameHostingNode() = default;
54
55Ref<ScrollingStateNode> ScrollingStateFrameHostingNode::clone(ScrollingStateTree& adoptiveTree)
56{
57 return adoptRef(*new ScrollingStateFrameHostingNode(*this, adoptiveTree));
58}
59
60void ScrollingStateFrameHostingNode::setAllPropertiesChanged()
61{
62 setPropertyChangedBit(ParentRelativeScrollableRect);
63
64 ScrollingStateNode::setAllPropertiesChanged();
65}
66
67void ScrollingStateFrameHostingNode::setParentRelativeScrollableRect(const LayoutRect& parentRelativeScrollableRect)
68{
69 if (m_parentRelativeScrollableRect == parentRelativeScrollableRect)
70 return;
71
72 m_parentRelativeScrollableRect = parentRelativeScrollableRect;
73 setPropertyChanged(ParentRelativeScrollableRect);
74}
75
76void ScrollingStateFrameHostingNode::dumpProperties(TextStream& ts, ScrollingStateTreeAsTextBehavior behavior) const
77{
78 ts << "Frame hosting node";
79 ScrollingStateNode::dumpProperties(ts, behavior);
80
81 if (!m_parentRelativeScrollableRect.isEmpty())
82 ts.dumpProperty("parent relative scrollable rect", m_parentRelativeScrollableRect);
83}
84
85} // namespace WebCore
86
87#endif // ENABLE(ASYNC_SCROLLING) || USE(COORDINATED_GRAPHICS)
88