1/*
2 * Copyright (C) 2012 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32#include "core/dom/ElementRareData.h"
33
34#include "core/rendering/style/RenderStyle.h"
35
36namespace blink {
37
38struct SameSizeAsElementRareData : NodeRareData {
39    short indices[2];
40    LayoutSize sizeForResizing;
41    IntSize scrollOffset;
42    void* pointers[13];
43};
44
45CSSStyleDeclaration& ElementRareData::ensureInlineCSSStyleDeclaration(Element* ownerElement)
46{
47    if (!m_cssomWrapper)
48        m_cssomWrapper = adoptPtrWillBeNoop(new InlineCSSStyleDeclaration(ownerElement));
49    return *m_cssomWrapper;
50}
51
52WillBeHeapVector<RefPtrWillBeMember<Attr> >& ElementRareData::ensureAttrNodeList()
53{
54    if (!m_attrNodeList)
55        m_attrNodeList = adoptPtrWillBeNoop(new WillBeHeapVector<RefPtrWillBeMember<Attr> >());
56    return *m_attrNodeList;
57}
58
59void ElementRareData::traceAfterDispatch(Visitor* visitor)
60{
61    visitor->trace(m_dataset);
62    visitor->trace(m_classList);
63    visitor->trace(m_shadow);
64    visitor->trace(m_attributeMap);
65#if ENABLE(OILPAN)
66    visitor->trace(m_attrNodeList);
67#endif
68    visitor->trace(m_inputMethodContext);
69    visitor->trace(m_activeAnimations);
70    visitor->trace(m_cssomWrapper);
71    visitor->trace(m_generatedBefore);
72    visitor->trace(m_generatedAfter);
73    visitor->trace(m_backdrop);
74    NodeRareData::traceAfterDispatch(visitor);
75}
76
77COMPILE_ASSERT(sizeof(ElementRareData) == sizeof(SameSizeAsElementRareData), ElementRareDataShouldStaySmall);
78
79} // namespace blink
80