1 /*
2 * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
4 * Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "config.h"
22 #include "DOMWrapperWorld.h"
23
24 #include "JSDOMWindow.h"
25 #include "ScriptController.h"
26 #include "WebCoreJSClientData.h"
27
28 using namespace JSC;
29
30 namespace WebCore {
31
finalize(JSC::Handle<JSC::Unknown> handle,void * context)32 void JSDOMWrapperOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
33 {
34 JSDOMWrapper* wrapper = static_cast<JSDOMWrapper*>(handle.get().asCell());
35 void* domObject = context;
36 uncacheWrapper(m_world, domObject, wrapper);
37 }
38
DOMWrapperWorld(JSC::JSGlobalData * globalData,bool isNormal)39 DOMWrapperWorld::DOMWrapperWorld(JSC::JSGlobalData* globalData, bool isNormal)
40 : m_globalData(globalData)
41 , m_isNormal(isNormal)
42 , m_defaultWrapperOwner(this)
43 {
44 JSGlobalData::ClientData* clientData = m_globalData->clientData;
45 ASSERT(clientData);
46 static_cast<WebCoreJSClientData*>(clientData)->rememberWorld(this);
47 }
48
~DOMWrapperWorld()49 DOMWrapperWorld::~DOMWrapperWorld()
50 {
51 JSGlobalData::ClientData* clientData = m_globalData->clientData;
52 ASSERT(clientData);
53 static_cast<WebCoreJSClientData*>(clientData)->forgetWorld(this);
54
55 // These items are created lazily.
56 while (!m_scriptControllersWithWindowShells.isEmpty())
57 (*m_scriptControllersWithWindowShells.begin())->destroyWindowShell(this);
58 }
59
clearWrappers()60 void DOMWrapperWorld::clearWrappers()
61 {
62 m_wrappers.clear();
63 m_stringCache.clear();
64
65 // These items are created lazily.
66 while (!m_scriptControllersWithWindowShells.isEmpty())
67 (*m_scriptControllersWithWindowShells.begin())->destroyWindowShell(this);
68 }
69
normalWorld(JSC::JSGlobalData & globalData)70 DOMWrapperWorld* normalWorld(JSC::JSGlobalData& globalData)
71 {
72 JSGlobalData::ClientData* clientData = globalData.clientData;
73 ASSERT(clientData);
74 return static_cast<WebCoreJSClientData*>(clientData)->normalWorld();
75 }
76
mainThreadNormalWorld()77 DOMWrapperWorld* mainThreadNormalWorld()
78 {
79 ASSERT(isMainThread());
80 static DOMWrapperWorld* cachedNormalWorld = normalWorld(*JSDOMWindow::commonJSGlobalData());
81 return cachedNormalWorld;
82 }
83
84 } // namespace WebCore
85