dom/base/nsWindowMemoryReporter.h
author Gregory Szorc <gps@mozilla.com>
Wed, 28 Jan 2015 13:37:00 -0800
branchMOBILE130_2012050817_RELBRANCH
changeset 120184 c9527b7c0b9a28a3f1209c9488fb16965ed051cd
parent 91023 4069a04e8e819e095c064c270e367bb8f8850234
child 92607 7c9f942b9becdb29912997dcda0bfe53d78b6451
permissions -rw-r--r--
Close old release branch MOBILE130_2012050817_RELBRANCH

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * 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
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla code.
 *
 * 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.
 *
 * Contributor(s):
 *   Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
 *
 * Alternatively, the contents of this file may be used under the terms of
 * 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"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#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__