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#include <wtf/NeverDestroyed.h> 33 34using namespace WebCore; 35 36namespace WebKit { 37 38typedef HashMap<DOMWrapperWorld*, InjectedBundleScriptWorld*> WorldMap; 39 40static WorldMap& allWorlds() 41{ 42 static NeverDestroyed<WorldMap> map; 43 return map; 44} 45 46PassRefPtr<InjectedBundleScriptWorld> InjectedBundleScriptWorld::create() 47{ 48 return adoptRef(new InjectedBundleScriptWorld(ScriptController::createWorld())); 49} 50 51PassRefPtr<InjectedBundleScriptWorld> InjectedBundleScriptWorld::getOrCreate(DOMWrapperWorld& world) 52{ 53 if (&world == &mainThreadNormalWorld()) 54 return normalWorld(); 55 56 if (InjectedBundleScriptWorld* existingWorld = allWorlds().get(&world)) 57 return existingWorld; 58 59 return adoptRef(new InjectedBundleScriptWorld(&world)); 60} 61 62InjectedBundleScriptWorld* InjectedBundleScriptWorld::normalWorld() 63{ 64 static InjectedBundleScriptWorld* world = adoptRef(new InjectedBundleScriptWorld(&mainThreadNormalWorld())).leakRef(); 65 return world; 66} 67 68InjectedBundleScriptWorld::InjectedBundleScriptWorld(PassRefPtr<DOMWrapperWorld> world) 69 : m_world(world) 70{ 71 ASSERT(!allWorlds().contains(m_world.get())); 72 allWorlds().add(m_world.get(), this); 73} 74 75InjectedBundleScriptWorld::~InjectedBundleScriptWorld() 76{ 77 ASSERT(allWorlds().contains(m_world.get())); 78 allWorlds().remove(m_world.get()); 79} 80 81DOMWrapperWorld& InjectedBundleScriptWorld::coreWorld() const 82{ 83 return *m_world.get(); 84} 85 86void InjectedBundleScriptWorld::clearWrappers() 87{ 88 m_world->clearWrappers(); 89} 90 91} // namespace WebKit 92