1/*
2 * Copyright (C) 2009 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#ifndef StaticDOMDataStore_h
32#define StaticDOMDataStore_h
33
34#include "DOMDataStore.h"
35#include "IntrusiveDOMWrapperMap.h"
36
37namespace WebCore {
38
39// StaticDOMDataStore
40//
41// StaticDOMDataStore is a DOMDataStore that manages the lifetime of the store
42// statically.  This encapsulates thread-specific DOM data for the main
43// thread.  All the maps in it are static.  This is because we are unable to
44// rely on WTF::ThreadSpecificThreadExit to do the cleanup since the place that
45// tears down the main thread can not call any WTF functions.
46//
47class StaticDOMDataStore : public DOMDataStore {
48public:
49    StaticDOMDataStore(DOMData*);
50
51private:
52    IntrusiveDOMWrapperMap m_staticDomNodeMap;
53    DOMWrapperMap<void> m_staticDomObjectMap;
54    DOMWrapperMap<void> m_staticActiveDomObjectMap;
55#if ENABLE(SVG)
56    DOMWrapperMap<SVGElementInstance> m_staticDomSvgElementInstanceMap;
57#endif
58};
59
60} // namespace WebCore
61
62#endif // StaticDOMDataStore_h
63
64