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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 <WebCore/JSDOMGlobalObject.h>
#include <wtf/Compiler.h>
#include <wtf/Forward.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class WindowProxy;
typedef HashMap<void*, JSC::Weak<JSC::JSObject>> DOMObjectWrapperMap;
class DOMWrapperWorld : public RefCounted<DOMWrapperWorld>, public CanMakeSingleThreadWeakPtr<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 setAllowAutofill() { m_allowAutofill = true; }
bool allowAutofill() const { return m_allowAutofill; }
bool allowsJSHandleCreation() const { return m_allowsJSHandleCreation; }
void setAllowsJSHandleCreation() { m_allowsJSHandleCreation = true; }
void setAllowNodeSerialization() { m_allowNodeSerialization = true; }
bool allowNodeSerialization() const { return m_allowNodeSerialization; }
void setAllowElementUserInfo() { m_allowElementUserInfo = true; }
bool allowElementUserInfo() const { return m_allowElementUserInfo; }
bool canAccessAnyShadowRoot() const { return shadowRootIsAlwaysOpen() || closedShadowRootIsExposedForExtensions(); }
void setShadowRootIsAlwaysOpen() { m_shadowRootIsAlwaysOpen = true; }
bool shadowRootIsAlwaysOpen() const { return m_shadowRootIsAlwaysOpen; }
void setClosedShadowRootIsExposedForExtensions() { m_closedShadowRootIsExposedForExtensions = true; }
bool closedShadowRootIsExposedForExtensions() const { return m_closedShadowRootIsExposedForExtensions; }
void disableLegacyOverrideBuiltInsBehavior() { m_shouldDisableLegacyOverrideBuiltInsBehavior = true; }
bool shouldDisableLegacyOverrideBuiltInsBehavior() const { return m_shouldDisableLegacyOverrideBuiltInsBehavior; }
void setAllowPostLegacySynchronousMessage() { m_allowPostLegacySynchronousMessage = true; }
bool allowPostLegacySynchronousMessage() const { return m_allowPostLegacySynchronousMessage; }
void setIsMediaControls() { m_isMediaControls = true; }
bool isMediaControls() const { return m_isMediaControls; }
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_allowAutofill : 1 { false };
bool m_allowElementUserInfo : 1 { false };
bool m_shadowRootIsAlwaysOpen : 1 { false };
bool m_closedShadowRootIsExposedForExtensions : 1 { false };
bool m_shouldDisableLegacyOverrideBuiltInsBehavior : 1 { false };
bool m_allowsJSHandleCreation : 1 { false };
bool m_allowNodeSerialization : 1 { false };
bool m_allowPostLegacySynchronousMessage : 1 { false };
bool m_isMediaControls : 1 { false };
};
DOMWrapperWorld& normalWorld(JSC::VM&);
WEBCORE_EXPORT DOMWrapperWorld& mainThreadNormalWorldSingleton();
inline Ref<DOMWrapperWorld> protectedMainThreadNormalWorld() { return mainThreadNormalWorldSingleton(); }
inline DOMWrapperWorld& debuggerWorldSingleton() { return mainThreadNormalWorldSingleton(); }
inline DOMWrapperWorld& pluginWorldSingleton() { return mainThreadNormalWorldSingleton(); }
DOMWrapperWorld& currentWorld(JSC::JSGlobalObject&);
DOMWrapperWorld& worldForDOMObject(JSC::JSObject&);
Ref<DOMWrapperWorld> protectedWorldForDOMObject(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 Ref<DOMWrapperWorld> protectedWorldForDOMObject(JSC::JSObject& object)
{
return worldForDOMObject(object);
}
inline bool isWorldCompatible(JSC::JSGlobalObject& lexicalGlobalObject, JSC::JSValue value)
{
return !value.isObject() || &worldForDOMObject(*value.getObject()) == ¤tWorld(lexicalGlobalObject);
}
} // namespace WebCore
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