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93 lines
3.4 KiB
C++
93 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla code.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mounir Lamouri <mounir.lamouri@mozilla.com> (original author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsDOMMemoryReporter_h__
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#define nsDOMMemoryReporter_h__
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#include "nsIMemoryReporter.h"
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/**
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* Helper methods for the DOM Memory Reporter.
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*/
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namespace mozilla {
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namespace dom {
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namespace MemoryReporter {
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/**
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* It will compute the basic size of an object. This means the size of the
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* object itself plus everything owned by its superclasses. This will not
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* include the size of objects owned by this objects (which have to be
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* manually added to ::SizeOf), but does include the size of any pointers
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* to those objects stored in this object.
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*/
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template <class TypeCurrent, class TypeParent>
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inline PRInt64 GetBasicSize(const TypeCurrent* const obj) {
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return obj->TypeParent::SizeOf() - sizeof(TypeParent)
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+ sizeof(TypeCurrent);
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}
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}
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}
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}
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/**
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* Helper macros to declare/implement SizeOf() method for DOM objects.
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*/
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#define NS_DECL_DOM_MEMORY_REPORTER_SIZEOF \
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virtual PRInt64 SizeOf() const;
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#define NS_DECL_AND_IMPL_DOM_MEMORY_REPORTER_SIZEOF(TypeCurrent, TypeParent) \
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virtual PRInt64 SizeOf() const { \
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return mozilla::dom::MemoryReporter::GetBasicSize<TypeCurrent, \
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TypeParent>(this); \
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}
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class nsDOMMemoryMultiReporter: public nsIMemoryMultiReporter
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIMEMORYMULTIREPORTER
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static void Init();
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private:
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// Protect ctor, use Init() instead.
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nsDOMMemoryMultiReporter();
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};
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#endif // nsDOMMemoryReporter_h__
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