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/*
* Copyright (C) 2015 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. ``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
* 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 "JSCustomEvent.h"
#include "CustomEvent.h"
#include "DOMWrapperWorld.h"
#include <runtime/JSCInlines.h>
#include <runtime/JSCJSValue.h>
#include <runtime/Structure.h>
using namespace JSC;
namespace WebCore {
JSValue JSCustomEvent::detail(ExecState& state) const
{
CustomEvent& event = wrapped();
if (event.detail().hasNoValue())
return jsNull();
JSValue detail = event.detail().jsValue();
if (detail.isObject() && &worldForDOMObject(detail.getObject()) != ¤tWorld(&state)) {
// We need to make sure CustomEvents do not leak their detail property across isolated DOM worlds.
// Ideally, we would check that the worlds have different privileges but that's not possible yet.
RefPtr<SerializedScriptValue> serializedDetail = event.trySerializeDetail(&state);
if (!serializedDetail)
return jsNull();
return serializedDetail->deserialize(&state, globalObject(), nullptr);
}
return detail;
}
} // namespace WebCore
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