1/*
2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#ifndef SVGElementRareData_h
21#define SVGElementRareData_h
22
23#include <wtf/HashSet.h>
24#include <wtf/Noncopyable.h>
25#include <wtf/StdLibExtras.h>
26
27namespace WebCore {
28
29class CSSCursorImageValue;
30class SVGCursorElement;
31class SVGElement;
32class SVGElementInstance;
33
34class SVGElementRareData {
35    WTF_MAKE_NONCOPYABLE(SVGElementRareData); WTF_MAKE_FAST_ALLOCATED;
36public:
37    SVGElementRareData()
38        : m_cursorElement(0)
39        , m_cursorImageValue(0)
40        , m_instancesUpdatesBlocked(false)
41    {
42    }
43
44    typedef HashMap<const SVGElement*, SVGElementRareData*> SVGElementRareDataMap;
45
46    static SVGElementRareDataMap& rareDataMap()
47    {
48        DEFINE_STATIC_LOCAL(SVGElementRareDataMap, rareDataMap, ());
49        return rareDataMap;
50    }
51
52    static SVGElementRareData* rareDataFromMap(const SVGElement* element)
53    {
54        return rareDataMap().get(element);
55    }
56
57    HashSet<SVGElementInstance*>& elementInstances() { return m_elementInstances; }
58    const HashSet<SVGElementInstance*>& elementInstances() const { return m_elementInstances; }
59
60    bool instanceUpdatesBlocked() const { return m_instancesUpdatesBlocked; }
61    void setInstanceUpdatesBlocked(bool value) { m_instancesUpdatesBlocked = value; }
62
63    SVGCursorElement* cursorElement() const { return m_cursorElement; }
64    void setCursorElement(SVGCursorElement* cursorElement) { m_cursorElement = cursorElement; }
65
66    CSSCursorImageValue* cursorImageValue() const { return m_cursorImageValue; }
67    void setCursorImageValue(CSSCursorImageValue* cursorImageValue) { m_cursorImageValue = cursorImageValue; }
68
69private:
70    HashSet<SVGElementInstance*> m_elementInstances;
71    SVGCursorElement* m_cursorElement;
72    CSSCursorImageValue* m_cursorImageValue;
73    bool m_instancesUpdatesBlocked : 1;
74};
75
76}
77
78#endif
79