// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __ACTIVITY__

#define __ACTIVITY__

#include "trace.h"

#include <map>

#include <vector>

class Activity : public Sampler

	{

	struct Bucket

		{

		inline Bucket(unsigned aPeriod,int aThread);

		bool operator<(const Bucket& aRhs) const;

		//

		unsigned iPeriod;

		int iThread;

		};

	struct ThreadData

		{

		inline ThreadData(const Thread& aThread);

		inline ThreadData(unsigned aCutoff);

		inline bool operator<(const ThreadData& aRhs) const;

		//

		const Thread* iThread;

		unsigned iTotal;

		};

	typedef std::map<Bucket,unsigned> Data;

	typedef std::vector<ThreadData> Threads;

public:

	Activity(int aBucketSize, unsigned aBeginSample, double aCutOff);

private:

	void Sample(unsigned aNumber, const Thread& aThread, PC aPc);

	void Complete(unsigned aTotal, unsigned aActive);

private:

	int iBucketSize;

	unsigned iBeginSample;

	double iCutOff;

	Threads iThreads;

	Data iData;

	};

#endif // __ACTIVITY__