gecko-dev/xpcom/ds/nsStopwatch.h

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2.7 KiB
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsStopwatch_h__
#define nsStopwatch_h__
#include "nsIStopwatch.h"
#ifdef NS_ENABLE_STOPWATCH
#include "nsHashtable.h"
////////////////////////////////////////////////////////////////////////////////
class nsStopwatchService : public nsIStopwatchService
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIPROPERTIES
NS_DECL_NSISTOPWATCHSERVICE
nsStopwatchService();
virtual ~nsStopwatchService();
static NS_METHOD
Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
nsresult Init();
protected:
nsSupportsHashtable mStopwatches;
};
////////////////////////////////////////////////////////////////////////////////
class nsTimingData {
public:
nsTimingData()
: mStartTime(0),
mTotalTime(0),
mTotalSquaredTime(0),
mCount(0) {
}
PRIntervalTime mStartTime;
double mTotalTime;
double mTotalSquaredTime;
double mCount;
};
////////////////////////////////////////////////////////////////////////////////
class nsStopwatch : public nsIStopwatch
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSISTOPWATCH
nsStopwatch();
virtual ~nsStopwatch();
static NS_METHOD
Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
void TimeUnits(double timeInMilliSeconds,
double *adjustedValue, const char* *adjustedUnits,
double *factor);
protected:
char* mName;
char* mCountUnits;
PRBool mPerThread;
PRUintn mThreadTimingDataIndex;
nsTimingData mTimingData;
};
////////////////////////////////////////////////////////////////////////////////
#endif // NS_ENABLE_STOPWATCH
#endif // nsStopwatch_h__