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/*
* 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() == JSRemoteDOMWindow::info());
}
JSC::CompleteSubspace* outputConstraintSubspaceFor(JSC::VM& vm)
{
return &static_cast<JSVMClientData*>(vm.clientData)->outputConstraintSpace();
}
JSC::CompleteSubspace* globalObjectOutputConstraintSubspaceFor(JSC::VM& vm)
{
return &static_cast<JSVMClientData*>(vm.clientData)->globalObjectOutputConstraintSpace();
}
JSC::JSValue cloneAcrossWorlds(JSC::ExecState& state, const JSDOMObject& owner, JSC::JSValue value)
{
if (isWorldCompatible(state, value))
return value;
// FIXME: Is it best to handle errors by returning null rather than throwing an exception?
auto serializedValue = SerializedScriptValue::create(state, value, SerializationErrorMode::NonThrowing);
if (!serializedValue)
return JSC::jsNull();
// FIXME: Why is owner->globalObject() better than state.lexicalGlobalObject() here?
// Unlike this, isWorldCompatible uses state.lexicalGlobalObject(); should the two match?
return serializedValue->deserialize(state, owner.globalObject());
}
} // namespace WebCore