1/*
2 * Copyright (C) 2018 Igalia S.L.
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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following
12 * disclaimer in the documentation and/or other materials provided
13 * with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#include "config.h"
29#include "ScrollingTreeNicosia.h"
30
31#if ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)
32
33#include "ScrollingTreeFixedNode.h"
34#include "ScrollingTreeFrameHostingNode.h"
35#include "ScrollingTreeFrameScrollingNodeNicosia.h"
36#include "ScrollingTreeStickyNode.h"
37
38namespace WebCore {
39
40Ref<ScrollingTreeNicosia> ScrollingTreeNicosia::create(AsyncScrollingCoordinator& scrollingCoordinator)
41{
42 return adoptRef(*new ScrollingTreeNicosia(scrollingCoordinator));
43}
44
45ScrollingTreeNicosia::ScrollingTreeNicosia(AsyncScrollingCoordinator& scrollingCoordinator)
46 : ThreadedScrollingTree(scrollingCoordinator)
47{
48}
49
50Ref<ScrollingTreeNode> ScrollingTreeNicosia::createScrollingTreeNode(ScrollingNodeType nodeType, ScrollingNodeID nodeID)
51{
52 switch (nodeType) {
53 case ScrollingNodeType::MainFrame:
54 case ScrollingNodeType::Subframe:
55 return ScrollingTreeFrameScrollingNodeNicosia::create(*this, nodeType, nodeID);
56 case ScrollingNodeType::FrameHosting:
57 return ScrollingTreeFrameHostingNode::create(*this, nodeID);
58 case ScrollingNodeType::Overflow:
59 // Should not be reached -- caught by ASSERT_NOT_REACHED() below.
60 break;
61 case ScrollingNodeType::Fixed:
62 return ScrollingTreeFixedNode::create(*this, nodeID);
63 case ScrollingNodeType::Sticky:
64 return ScrollingTreeStickyNode::create(*this, nodeID);
65 case ScrollingNodeType::Positioned:
66 RELEASE_ASSERT_NOT_REACHED();
67 }
68
69 RELEASE_ASSERT_NOT_REACHED();
70}
71
72} // namespace WebCore
73
74#endif // ENABLE(ASYNC_SCROLLING) && USE(NICOSIA)
75