/*
 * Copyright (C) 2009 Google Inc. All rights reserved.
 * Copyright (C) 2016 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
 * OWNER 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.
 */

#pragma once

#include "MessagePort.h"
#include <runtime/Error.h>
#include <runtime/JSCInlines.h>
#include <runtime/JSCJSValue.h>
#include <wtf/Forward.h>

namespace WebCore {

void extractTransferables(JSC::ExecState&, JSC::JSValue, Vector<RefPtr<MessagePort>>&, Vector<RefPtr<JSC::ArrayBuffer>>&);

// Helper function to convert from JS postMessage arguments to WebCore postMessage arguments.
template<typename T> inline JSC::JSValue handlePostMessage(JSC::ExecState& state, T& object)
{
    JSC::VM& vm = state.vm();
    auto scope = DECLARE_THROW_SCOPE(vm);

    if (UNLIKELY(state.argumentCount() < 1))
        return throwException(&state, scope, createNotEnoughArgumentsError(&state));

    Vector<RefPtr<MessagePort>> messagePortArray;
    Vector<RefPtr<JSC::ArrayBuffer>> arrayBufferArray;
    extractTransferables(state, state.argument(1), messagePortArray, arrayBufferArray);

    auto message = SerializedScriptValue::create(state, state.uncheckedArgument(0), messagePortArray, WTFMove(arrayBufferArray));
    RETURN_IF_EXCEPTION(scope, JSC::JSValue());

    propagateException(state, scope, object.postMessage(WTFMove(message), WTFMove(messagePortArray)));
    return JSC::jsUndefined();
}

}
