gecko/xpcom/base/nsIMemoryReporter.idl

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/* -*- Mode: C++; tab-width: 50; 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.org code.
*
* The Initial Developer of the Original Code is
* mozilla.org
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Vladimir Vukicevic <vladimir@pobox.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 ***** */
#include "nsISupports.idl"
interface nsISimpleEnumerator;
[scriptable, uuid(d298b942-3e66-4cd3-9ff5-46abc69147a7)]
interface nsIMemoryReporter : nsISupports
{
/*
* The path that this memory usage should be reported under.
*
* Normally "/"-delimited for organization.
*/
readonly attribute string path;
/*
* A human-readable description of this memory usage report
*/
readonly attribute string description;
/*
* The current amount of memory in use, as reported by this memory
* reporter.
*/
readonly attribute long long memoryUsed;
};
[scriptable, uuid(63fc8fbd-509b-4fdb-93b4-2e6caeeddab1)]
interface nsIMemoryReporterManager : nsISupports
{
/*
* Return an enumerator of nsIMemoryReporters that are currently registered.
*/
nsISimpleEnumerator enumerateReporters ();
/*
* Register the given nsIMemoryReporter. It is an error to register
* more than one reporter with the same path. After a reporter is
* registered, it will be available via enumerateReporters(). The
* Manager service will hold a strong reference to the given reporter.
*/
void registerReporter (in nsIMemoryReporter reporter);
/*
* Unregister the given memory reporter.
*/
void unregisterReporter (in nsIMemoryReporter reporter);
};
%{C++
#define NS_MEMORY_REPORTER_IMPLEMENT(_classname,_path,_desc,_usageFunction,_dataptr) \
class MemoryReporter_##_classname : public nsIMemoryReporter { \
public: \
NS_DECL_ISUPPORTS \
NS_IMETHOD GetPath(char **memoryPath) { *memoryPath = strdup(_path); return NS_OK; } \
NS_IMETHOD GetDescription(char **desc) { *desc = strdup(_desc); return NS_OK; } \
NS_IMETHOD GetMemoryUsed(PRInt64 *memoryUsed) { *memoryUsed = _usageFunction(_dataptr); return NS_OK; } \
}; \
NS_IMPL_ISUPPORTS1(MemoryReporter_##_classname, nsIMemoryReporter)
#define NS_MEMORY_REPORTER_NAME(_classname) MemoryReporter_##_classname
NS_COM nsresult NS_RegisterMemoryReporter (nsIMemoryReporter *reporter);
NS_COM nsresult NS_UnregisterMemoryReporter (nsIMemoryReporter *reporter);
%}