1 /*
2 * Copyright (C) 2010 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #include "config.h"
27 #include "InjectedBundleScriptWorld.h"
28
29 #include <WebCore/DOMWrapperWorld.h>
30 #include <WebCore/ScriptController.h>
31 #include <wtf/HashMap.h>
32
33 using namespace WebCore;
34
35 namespace WebKit {
36
37 typedef HashMap<DOMWrapperWorld*, InjectedBundleScriptWorld*> WorldMap;
38
allWorlds()39 static WorldMap& allWorlds()
40 {
41 DEFINE_STATIC_LOCAL(WorldMap, map, ());
42 return map;
43 }
44
create()45 PassRefPtr<InjectedBundleScriptWorld> InjectedBundleScriptWorld::create()
46 {
47 return adoptRef(new InjectedBundleScriptWorld(ScriptController::createWorld()));
48 }
49
getOrCreate(DOMWrapperWorld * world)50 PassRefPtr<InjectedBundleScriptWorld> InjectedBundleScriptWorld::getOrCreate(DOMWrapperWorld* world)
51 {
52 if (world == mainThreadNormalWorld())
53 return normalWorld();
54
55 if (InjectedBundleScriptWorld* existingWorld = allWorlds().get(world))
56 return existingWorld;
57
58 return adoptRef(new InjectedBundleScriptWorld(world));
59 }
60
normalWorld()61 InjectedBundleScriptWorld* InjectedBundleScriptWorld::normalWorld()
62 {
63 static InjectedBundleScriptWorld* world = adoptRef(new InjectedBundleScriptWorld(mainThreadNormalWorld())).leakRef();
64 return world;
65 }
66
InjectedBundleScriptWorld(PassRefPtr<DOMWrapperWorld> world)67 InjectedBundleScriptWorld::InjectedBundleScriptWorld(PassRefPtr<DOMWrapperWorld> world)
68 : m_world(world)
69 {
70 ASSERT(!allWorlds().contains(m_world.get()));
71 allWorlds().add(m_world.get(), this);
72 }
73
~InjectedBundleScriptWorld()74 InjectedBundleScriptWorld::~InjectedBundleScriptWorld()
75 {
76 ASSERT(allWorlds().contains(m_world.get()));
77 allWorlds().remove(m_world.get());
78 }
79
coreWorld() const80 DOMWrapperWorld* InjectedBundleScriptWorld::coreWorld() const
81 {
82 return m_world.get();
83 }
84
clearWrappers()85 void InjectedBundleScriptWorld::clearWrappers()
86 {
87 m_world->clearWrappers();
88 }
89
90 } // namespace WebKit
91