Source/WebCore/platform/PlatformStrategies.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"

#if USE(PLATFORM_STRATEGIES)

#include "PlatformStrategies.h"

namespace WebCore {

static PlatformStrategies* s_platformStrategies;

PlatformStrategies* platformStrategies()
{
    ASSERT(s_platformStrategies);
    
    return s_platformStrategies;
}

void setPlatformStrategies(PlatformStrategies* platformStrategies)
{
    if (!s_platformStrategies) {
        s_platformStrategies = platformStrategies;
        return;
    }
    
    // FIXME: This happens when mixing different platform strategies, and we should probably
    // throw an exception here in release builds.
    ASSERT(platformStrategies == s_platformStrategies);
}

bool hasPlatformStrategies()
{
    return s_platformStrategies;
}

} // namespace WebCore

#endif // USE(PLATFORM_STRATEGIES)