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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2012
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 * Contributor(s):
 *   Nicholas Nethercote <nnethercote@mozilla.com>
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#ifndef nsISizeOf_h___
#define nsISizeOf_h___

#include "nsISupports.h"

#define NS_ISIZEOF_IID \
  {0x61d05579, 0xd7ec, 0x485c, \
    { 0xa4, 0x0c, 0x31, 0xc7, 0x9a, 0x5c, 0xf9, 0xf3 }}

class nsISizeOf : public nsISupports
{
public:
  NS_DECLARE_STATIC_IID_ACCESSOR(NS_ISIZEOF_IID)

  /**
   * Measures the size of the things pointed to by the object.
   */
  virtual size_t SizeOfExcludingThis(nsMallocSizeOfFun aMallocSizeOf) const = 0;

  /**
   * Like SizeOfExcludingThis, but also includes the size of the object itself.
   */
  virtual size_t SizeOfIncludingThis(nsMallocSizeOfFun aMallocSizeOf) const = 0;
};

NS_DEFINE_STATIC_IID_ACCESSOR(nsISizeOf, NS_ISIZEOF_IID)

#endif /* nsISizeOf_h___ */