/*

* 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 MEMSPYENGINEHELPERSYSMEMTRACKERENTRYGLOBALDATA_H

#define MEMSPYENGINEHELPERSYSMEMTRACKERENTRYGLOBALDATA_H

// System includes

#include <e32base.h>

#include <badesca.h>

// Driver includes

#include <memspy/driver/memspydriverobjectsshared.h>

// User includes

#include "MemSpyEngineHelperSysMemTrackerEntries.h"

#include <memspy/engine/memspyenginehelpersysmemtrackercyclechange.h> 

// Classes referenced

class CMemSpyEngine;

class CMemSpyThread;

class CMemSpyProcess;

class CMemSpyEngineHelperSysMemTrackerImp;

class CMemSpyEngineHelperSysMemTrackerCycle;

class TMemSpyEngineHelperSysMemTrackerConfig;

class CMemSpyEngineHelperSysMemTrackerGlobalData : public CMemSpyEngineHelperSysMemTrackerEntry

    {

public:

    static CMemSpyEngineHelperSysMemTrackerGlobalData* NewLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker, CMemSpyProcess& aProcess, const TMemSpyDriverChunkInfo& aChunkInfo );

    ~CMemSpyEngineHelperSysMemTrackerGlobalData();

private:

    CMemSpyEngineHelperSysMemTrackerGlobalData( CMemSpyEngineHelperSysMemTrackerImp& aTracker );

    void ConstructL( CMemSpyProcess& aProcess, const TMemSpyDriverChunkInfo& aChunkInfo );

public: // From CMemSpyEngineHelperSysMemTrackerEntry

    void UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& aEntry );

    void CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void UpdateCycleStatistics( CMemSpyEngineHelperSysMemTrackerCycle& aInfo );

    TBool HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig ) const;

private: // Internal methods

    TBool IsProcessGlobalData() const;

    TInt CurrentGlobalDataSize() const;

private: // Data members

    TMemSpyDriverChunkInfoWithoutName iCurrent;

    TMemSpyDriverChunkInfoWithoutName* iLast;

    HBufC* iChunkName;

    };

/**

 * Change descriptor associated with global data-related changes

 */

NONSHARABLE_CLASS( CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData ) : public CMemSpyEngineHelperSysMemTrackerCycleChange

    {

public:

    static CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData* NewLC( TUint8 aAttribs, const TDesC& aChunkName, const TMemSpyDriverChunkInfoWithoutName& aCurrent, const TMemSpyDriverChunkInfoWithoutName* aLast );

    ~CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData();

private:

    CMemSpyEngineHelperSysMemTrackerCycleChangeGlobalData( TUint8 aAttribs, const TMemSpyDriverChunkInfoWithoutName& aCurrent );

    void ConstructL( const TDesC& aChunkName, const TMemSpyDriverChunkInfoWithoutName* aLast );

public: // From CMemSpyEngineHelperSysMemTrackerCycleChange

    TMemSpyEngineSysMemTrackerType Type() const;

    void OutputHeaderL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void OutputContentL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void OutputDataL( CMemSpyEngineOutputSink& aSink, CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

private: // Data members

    HBufC* iChunkName;

    TMemSpyDriverChunkInfoWithoutName iCurrent;

    TMemSpyDriverChunkInfoWithoutName* iLast;

    };

#endif