Source/WebKit/Shared/AsyncRequest.cpp

/*
 * Copyright (C) 2013 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 "AsyncRequest.h"

#include <wtf/RunLoop.h>

namespace WebKit {

static uint64_t generateRequestID()
{
    ASSERT(RunLoop::isMain());
    static uint64_t requestID = 0;
    return ++requestID;
}

AsyncRequest::AsyncRequest(WTF::Function<void ()>&& abortHandler)
    : m_abortHandler(WTFMove(abortHandler))
    , m_requestID(generateRequestID())
{
}

AsyncRequest::~AsyncRequest()
{
    ASSERT(!m_abortHandler);
}

void AsyncRequest::setAbortHandler(WTF::Function<void ()>&& handler)
{
    m_abortHandler = WTFMove(handler);
}

void AsyncRequest::requestAborted()
{
    if (m_abortHandler) {
        m_abortHandler();
        m_abortHandler = nullptr;
    }

    clearCompletionHandler();
}

} // namespace WebKit