/*

 * Copyright (C) 2007 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. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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"

#ifndef NDEBUG

#include "GDIObjectCounter.h"

#include "CString.h"

#include "Logging.h"

#include <windows.h>

namespace WebCore {

GDIObjectCounter::GDIObjectCounter(const String& identifier)

{

    init(identifier);

}

GDIObjectCounter::GDIObjectCounter(const String& className, void* instance)

{

    init(String::format("%s (%p)", className.latin1().data(), instance));

}

void GDIObjectCounter::init(const String& identifier)

{

    m_identifier = identifier;

    m_startCount = currentGDIObjectsInUse();

    m_endCount = 0;

}

GDIObjectCounter::~GDIObjectCounter()

{

    m_endCount = currentGDIObjectsInUse();

    int leaked = m_endCount - m_startCount;

    if (leaked != 0)

        LOG(PlatformLeaks, "%s: leaked %d GDI object%s!", m_identifier.latin1().data(), leaked, leaked == 1 ? "" : "s");

}

unsigned GDIObjectCounter::currentGDIObjectsInUse()

{

    return ::GetGuiResources(::GetCurrentProcess(), GR_GDIOBJECTS);

}

} // namespace WebCore

#endif // !defined(NDEBUG)