/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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 MEMSPYENGINEHELPERSYSMEMTRACKERIMP_H

#define MEMSPYENGINEHELPERSYSMEMTRACKERIMP_H

// System includes

#include <e32base.h>

#include <badesca.h>

// Driver includes

#include <memspy/driver/memspydriverobjectsshared.h>

// User includes

#include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>

// Classes referenced

class CMemSpyEngine;

class MMemSpyEngineHelperSysMemTrackerObserver;

class TMemSpyEngineHelperSysMemTrackerConfig;

class CMemSpyEngineHelperSysMemTrackerCycle;

class CMemSpyEngineHelperSysMemTrackerEntryManager;

NONSHARABLE_CLASS( CMemSpyEngineHelperSysMemTrackerImp ) : public CTimer, public MDesCArray

    {

public:

    static CMemSpyEngineHelperSysMemTrackerImp* NewL( CMemSpyEngine& aEngine );

    ~CMemSpyEngineHelperSysMemTrackerImp();

private:

    CMemSpyEngineHelperSysMemTrackerImp( CMemSpyEngine& aEngine );

    void ConstructL();

public: // API

    void StartL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig );

    void StopL();

    void SetObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver );

    void RemoveObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver );

    const RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle >& CompletedCycles() const;

public: // From MDesCArray

    TInt MdcaCount() const;

    TPtrC MdcaPoint( TInt aIndex ) const;

public: // But not exported

    void Reset();

    void CheckForChangesNowL();

    //

    inline CMemSpyEngine& Engine() { return iEngine; }

    inline const TMemSpyEngineHelperSysMemTrackerConfig& Config() const { return iConfig; }

private: // Internal methods

    void PrepareInitialCycleL();

    void CheckForChangesL();

    void NotifyObserverCycleStartedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void NotifyObserverCycleFinishedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void AddCycleAndPopL( CMemSpyEngineHelperSysMemTrackerCycle* aCycle );

    CMemSpyEngineHelperSysMemTrackerCycle* LastCycleOrNull();

private: // From CActive

    void RunL();

    TInt RunError( TInt aError );

private:

    CMemSpyEngine& iEngine;

    TMemSpyEngineHelperSysMemTrackerConfig iConfig;

    CMemSpyEngineHelperSysMemTrackerEntryManager* iEntryManager;

    RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle > iCompletedCycles;

    MMemSpyEngineHelperSysMemTrackerObserver* iObserver;

    };

#endif