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/*
* Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
* Copyright (C) 2003, 2004, 2005, 2006, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
* Copyright (C) 2009 Google, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "JSDOMGlobalObject.h"
#include <wtf/Forward.h>
namespace WebCore {
class WindowProxy;
typedef HashMap<void*, JSC::Weak<JSC::JSObject>> DOMObjectWrapperMap;
class DOMWrapperWorld : public RefCounted<DOMWrapperWorld> {
public:
enum class Type {
Normal, // Main (e.g. Page)
User, // User Scripts (e.g. Extensions)
Internal, // WebKit Internal (e.g. Media Controls)
};
static Ref<DOMWrapperWorld> create(JSC::VM& vm, Type type = Type::Internal, const String& name = { })
{
return adoptRef(*new DOMWrapperWorld(vm, type, name));
}
WEBCORE_EXPORT ~DOMWrapperWorld();
// Free as much memory held onto by this world as possible.
WEBCORE_EXPORT void clearWrappers();
void didCreateWindowProxy(WindowProxy* controller) { m_jsWindowProxies.add(controller); }
void didDestroyWindowProxy(WindowProxy* controller) { m_jsWindowProxies.remove(controller); }
void setShadowRootIsAlwaysOpen() { m_shadowRootIsAlwaysOpen = true; }
bool shadowRootIsAlwaysOpen() const { return m_shadowRootIsAlwaysOpen; }
void disableLegacyOverrideBuiltInsBehavior() { m_shouldDisableLegacyOverrideBuiltInsBehavior = true; }
bool shouldDisableLegacyOverrideBuiltInsBehavior() const { return m_shouldDisableLegacyOverrideBuiltInsBehavior; }
DOMObjectWrapperMap& wrappers() { return m_wrappers; }
Type type() const { return m_type; }
bool isNormal() const { return m_type == Type::Normal; }
bool isUser() const { return m_type == Type::User; }
const String& name() const { return m_name; }
JSC::VM& vm() const { return m_vm; }
protected:
DOMWrapperWorld(JSC::VM&, Type, const String& name);
private:
JSC::VM& m_vm;
HashSet<WindowProxy*> m_jsWindowProxies;
DOMObjectWrapperMap m_wrappers;
String m_name;
Type m_type { Type::Internal };
bool m_shadowRootIsAlwaysOpen { false };
bool m_shouldDisableLegacyOverrideBuiltInsBehavior { false };
};
DOMWrapperWorld& normalWorld(JSC::VM&);
WEBCORE_EXPORT DOMWrapperWorld& mainThreadNormalWorld();
inline DOMWrapperWorld& debuggerWorld() { return mainThreadNormalWorld(); }
inline DOMWrapperWorld& pluginWorld() { return mainThreadNormalWorld(); }
DOMWrapperWorld& currentWorld(JSC::JSGlobalObject&);
DOMWrapperWorld& worldForDOMObject(JSC::JSObject&);
// Helper function for code paths that must not share objects across isolated DOM worlds.
bool isWorldCompatible(JSC::JSGlobalObject&, JSC::JSValue);
inline DOMWrapperWorld& currentWorld(JSC::JSGlobalObject& lexicalGlobalObject)
{
return JSC::jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject)->world();
}
inline DOMWrapperWorld& worldForDOMObject(JSC::JSObject& object)
{
return JSC::jsCast<JSDOMGlobalObject*>(object.globalObject())->world();
}
inline bool isWorldCompatible(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
return !value.isObject() || &worldForDOMObject(*value.getObject()) == ¤tWorld(lexicalGlobalObject);
}
} // namespace WebCore
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