Source/WebKit/Platform/IPC/Attachment.cpp

/*
 * Copyright (C) 2010 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 "Attachment.h"

#include "Decoder.h"
#include "Encoder.h"

namespace IPC {

Attachment::Attachment()
    : m_type(Uninitialized)
{
}

#if OS(DARWIN) && !USE(UNIX_DOMAIN_SOCKETS)
Attachment::Attachment(mach_port_name_t port, mach_msg_type_name_t disposition)
    : m_type(MachPortType)
    , m_port(port)
    , m_disposition(disposition)
{
}

void Attachment::release()
{
    m_type = Uninitialized;
}
#endif

#if !OS(WINDOWS)
void Attachment::encode(Encoder& encoder) const
{
    encoder.addAttachment(WTFMove(*const_cast<Attachment*>(this)));
}

bool Attachment::decode(Decoder& decoder, Attachment& attachment)
{
    if (!decoder.removeAttachment(attachment))
        return false;
    return true;
}
#endif

} // namespace IPC