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/*
* Copyright (C) 2017 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"
#if ENABLE(SERVICE_WORKER)
#include "JSExtendableMessageEvent.h"
#include "JSDOMConstructor.h"
#include "JSDOMConvertStrings.h"
namespace WebCore {
using namespace JSC;
JSC::EncodedJSValue constructJSExtendableMessageEvent(JSC::ExecState& state)
{
VM& vm = state.vm();
auto throwScope = DECLARE_THROW_SCOPE(vm);
UNUSED_PARAM(throwScope);
auto* jsConstructor = jsCast<JSDOMConstructorBase*>(state.jsCallee());
ASSERT(jsConstructor);
if (UNLIKELY(state.argumentCount() < 1))
return throwVMError(&state, throwScope, createNotEnoughArgumentsError(&state));
auto type = convert<IDLDOMString>(state, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
auto eventInitDict = convert<IDLDictionary<ExtendableMessageEvent::Init>>(state, state.argument(1));
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
JSValue data = eventInitDict.data;
auto object = ExtendableMessageEvent::create(state, WTFMove(type), WTFMove(eventInitDict));
RETURN_IF_EXCEPTION(throwScope, encodedJSValue());
JSValue wrapper = toJSNewlyCreated<IDLInterface<ExtendableMessageEvent>>(state, *jsConstructor->globalObject(), WTFMove(object));
// Cache the JSValue passed in for data parameter in the wrapper so the getter returns the exact value
// it was initialized too. We do not store the JSValue in the implementation object to avoid leaks.
auto* jsMessageEvent = jsCast<JSExtendableMessageEvent*>(wrapper);
jsMessageEvent->m_data.set(state.vm(), jsMessageEvent, data);
return JSValue::encode(wrapper);
}
JSValue JSExtendableMessageEvent::data(ExecState& state) const
{
if (JSValue cachedValue = m_data.get()) {
// We cannot use a cached object if we are in a different world than the one it was created in.
if (isWorldCompatible(state, cachedValue))
return cachedValue;
ASSERT_NOT_REACHED();
}
auto& event = wrapped();
JSValue result;
if (auto* serializedValue = event.data())
result = serializedValue->deserialize(state, globalObject(), event.ports(), SerializationErrorMode::NonThrowing);
else
result = jsNull();
// Save the result so we don't have to deserialize the value again.
m_data.set(state.vm(), this, result);
return result;
}
}
#endif // ENABLE(SERVICE_WORKER)