1 /*
2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
4 * Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
5 * Copyright (C) 2009 Google, Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef WebCoreJSClientData_h
23 #define WebCoreJSClientData_h
24
25 #include "DOMWrapperWorld.h"
26 #include "DOMObjectHashTableMap.h"
27 #include <wtf/HashSet.h>
28 #include <wtf/RefPtr.h>
29
30 namespace WebCore {
31
32 class WebCoreJSClientData : public JSC::JSGlobalData::ClientData {
33 WTF_MAKE_NONCOPYABLE(WebCoreJSClientData); WTF_MAKE_FAST_ALLOCATED;
34 friend class JSGlobalDataWorldIterator;
35 friend void initNormalWorldClientData(JSC::JSGlobalData*);
36
37 public:
WebCoreJSClientData()38 WebCoreJSClientData() { }
~WebCoreJSClientData()39 virtual ~WebCoreJSClientData()
40 {
41 ASSERT(m_worldSet.contains(m_normalWorld.get()));
42 ASSERT(m_worldSet.size() == 1);
43 ASSERT(m_normalWorld->hasOneRef());
44 m_normalWorld.clear();
45 ASSERT(m_worldSet.isEmpty());
46 }
47
normalWorld()48 DOMWrapperWorld* normalWorld() { return m_normalWorld.get(); }
49
getAllWorlds(Vector<DOMWrapperWorld * > & worlds)50 void getAllWorlds(Vector<DOMWrapperWorld*>& worlds)
51 {
52 copyToVector(m_worldSet, worlds);
53 }
54
rememberWorld(DOMWrapperWorld * world)55 void rememberWorld(DOMWrapperWorld* world)
56 {
57 ASSERT(!m_worldSet.contains(world));
58 m_worldSet.add(world);
59 }
forgetWorld(DOMWrapperWorld * world)60 void forgetWorld(DOMWrapperWorld* world)
61 {
62 ASSERT(m_worldSet.contains(world));
63 m_worldSet.remove(world);
64 }
65
66 DOMObjectHashTableMap hashTableMap;
67
68 private:
69 HashSet<DOMWrapperWorld*> m_worldSet;
70 RefPtr<DOMWrapperWorld> m_normalWorld;
71 };
72
initNormalWorldClientData(JSC::JSGlobalData * globalData)73 inline void initNormalWorldClientData(JSC::JSGlobalData* globalData)
74 {
75 WebCoreJSClientData* webCoreJSClientData = new WebCoreJSClientData;
76 globalData->clientData = webCoreJSClientData; // ~JSGlobalData deletes this pointer.
77 webCoreJSClientData->m_normalWorld = DOMWrapperWorld::create(globalData, true);
78 }
79
80 } // namespace WebCore
81
82 #endif // WebCoreJSClientData_h
83