/*

 * 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 "Navigation.h"

#include "Timing.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();

}

Navigation* Performance::navigation() const

{

    if (!m_navigation)

        m_navigation = Navigation::create(m_frame);

    return m_navigation.get();

}

Timing* Performance::timing() const

{

    if (!m_timing)

        m_timing = Timing::create(m_frame);

    return m_timing.get();

}

} // namespace WebCore

#endif // ENABLE(WEB_TIMING)