Source/WebCore/page/MemoryInfo.h

/*
 * 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.
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 * 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
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 */

#ifndef MemoryInfo_h
#define MemoryInfo_h

#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>

namespace WebCore {

class Frame;

class MemoryInfo : public RefCounted<MemoryInfo> {
public:
    static PassRefPtr<MemoryInfo> create(Frame* frame) { return adoptRef(new MemoryInfo(frame)); }

    size_t totalJSHeapSize() const { return m_totalJSHeapSize; }
    size_t usedJSHeapSize() const { return m_usedJSHeapSize; }
    size_t jsHeapSizeLimit() const { return m_jsHeapSizeLimit; }

private:
    MemoryInfo(Frame*);

    size_t m_totalJSHeapSize;
    size_t m_usedJSHeapSize;
    size_t m_jsHeapSizeLimit;
};

} // namespace WebCore

#endif // MemoryInfo_h