/* * Copyright (C) 2010-2018 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSDOMWrapper.h" #include "DOMWindow.h" #include "DOMWrapperWorld.h" #include "JSDOMWindow.h" #include "JSRemoteDOMWindow.h" #include "SerializedScriptValue.h" #include "WebCoreJSClientData.h" #include <JavaScriptCore/Error.h> namespace WebCore { STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSDOMObject); JSDOMObject::JSDOMObject(JSC::Structure* structure, JSC::JSGlobalObject& globalObject) : Base(globalObject.vm(), structure) { ASSERT(scriptExecutionContext() || globalObject.classInfo(globalObject.vm()) == JSRemoteDOMWindow::info()); } JSC::CompleteSubspace* outputConstraintSubspaceFor(JSC::VM& vm) { return &static_cast<JSVMClientData*>(vm.clientData)->outputConstraintSpace(); } JSC::JSValue cloneAcrossWorlds(JSC::JSGlobalObject& lexicalGlobalObject, const JSDOMObject& owner, JSC::JSValue value) { if (isWorldCompatible(lexicalGlobalObject, value)) return value; // FIXME: Is it best to handle errors by returning null rather than throwing an exception? auto serializedValue = SerializedScriptValue::create(lexicalGlobalObject, value, SerializationErrorMode::NonThrowing); if (!serializedValue) return JSC::jsNull(); // FIXME: Why is owner->globalObject() better than lexicalGlobalObject.lexicalGlobalObject() here? // Unlike this, isWorldCompatible uses lexicalGlobalObject.lexicalGlobalObject(); should the two match? return serializedValue->deserialize(lexicalGlobalObject, owner.globalObject()); } } // namespace WebCore