nsWindowMemoryReporter.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 * for the specific language governing rights and limitations under the
 * License.
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 * The Original Code is Mozilla code.
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 * The Initial Developer of the Original Code is Mozilla Foundation
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
 *
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 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsWindowMemoryReporter_h__
#define nsWindowMemoryReporter_h__

#include "nsIMemoryReporter.h"

// This should be used for any nsINode sub-class that has fields of its own
// that it needs to measure;  any sub-class that doesn't use it will inherit
// SizeOfExcludingThis from its super-class.  SizeOfIncludingThis() need not be
// defined, it is inherited from nsINode.
#define NS_DECL_SIZEOF_EXCLUDING_THIS \
  virtual size_t SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const;

class nsWindowSizes {
public:
    nsWindowSizes(nsMallocSizeOfFun aMallocSizeOf) {
      memset(this, 0, sizeof(nsWindowSizes));
      mMallocSizeOf = aMallocSizeOf;
    }
    nsMallocSizeOfFun mMallocSizeOf;
    size_t mDOM;
    size_t mStyleSheets;
    size_t mLayoutArenas;
    size_t mLayoutStyleSets;
    size_t mLayoutTextRuns;
};

class nsWindowMemoryReporter: public nsIMemoryMultiReporter
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSIMEMORYMULTIREPORTER

  static void Init();

private:
  // Protect ctor, use Init() instead.
  nsWindowMemoryReporter();
};

#endif // nsWindowMemoryReporter_h__