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/*
 * Copyright (C) 2010 Google 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.
 */

#include "config.h"
#include "Performance.h"

#include "MemoryInfo.h"
#include "PerformanceNavigation.h"
#include "PerformanceTiming.h"

#if ENABLE(WEB_TIMING)

#include "Frame.h"

namespace WebCore {

Performance::Performance(Frame* frame)
    : m_frame(frame)
{
}

Frame* Performance::frame() const
{
    return m_frame;
}

void Performance::disconnectFrame()
{
    if (m_memory)
        m_memory = 0;
    if (m_navigation) {
        m_navigation->disconnectFrame();
        m_navigation = 0;
    }
    if (m_timing) {
        m_timing->disconnectFrame();
        m_timing = 0;
    }
    m_frame = 0;
}

MemoryInfo* Performance::memory() const
{
    m_memory = MemoryInfo::create(m_frame);
    return m_memory.get();
}

PerformanceNavigation* Performance::navigation() const
{
    if (!m_navigation)
        m_navigation = PerformanceNavigation::create(m_frame);

    return m_navigation.get();
}

PerformanceTiming* Performance::timing() const
{
    if (!m_timing)
        m_timing = PerformanceTiming::create(m_frame);

    return m_timing.get();
}

} // namespace WebCore

#endif // ENABLE(WEB_TIMING)