/*

* 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 MEMSPYENGINEHELPERSYSMEMTRACKERENTRYDISKSPACE_H

#define MEMSPYENGINEHELPERSYSMEMTRACKERENTRYDISKSPACE_H

// System includes

#include <e32base.h>

#include <badesca.h>

#include <f32file.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 CMemSpyEngineHelperSysMemTrackerEntryDiskSpace : public CMemSpyEngineHelperSysMemTrackerEntry

    {

public:

    static CMemSpyEngineHelperSysMemTrackerEntryDiskSpace* NewLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TDriveNumber aDrive );

    ~CMemSpyEngineHelperSysMemTrackerEntryDiskSpace();

private:

    CMemSpyEngineHelperSysMemTrackerEntryDiskSpace( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TDriveNumber aDrive );

    void ConstructL();

public: // From CMemSpyEngineHelperSysMemTrackerEntry

    TUint64 Key() const;

    void UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& aEntry );

    void CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    TBool HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig ) const;

private: // Internal methods

    void UpdateVolumeInfoL( TVolumeInfo& aInfo );

private: // Data members

    const TDriveNumber iDrive;

    TVolumeInfo iLast;

    TVolumeInfo iCurrent;

    };

/**

 * Change descriptor associated with open file-related changes

 */

NONSHARABLE_CLASS( CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace ) : public CMemSpyEngineHelperSysMemTrackerCycleChange

    {

public:

    static CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace* NewLC( TUint8 aAttribs, TDriveNumber aDrive, const TVolumeInfo& aCurrent, const TVolumeInfo* aLast );

    ~CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace();

private:

    CMemSpyEngineHelperSysMemTrackerCycleChangeDiskSpace( TUint8 aAttrib, TDriveNumber aDrive );

    void ConstructL( const TVolumeInfo& aCurrent, const TVolumeInfo* aLast );

public: // From CMemSpyEngineHelperSysMemTrackerCycleChange

    TMemSpyEngineSysMemTrackerType Type() const;

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

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

private: // Data members

    const TDriveNumber iDrive;

    TBuf<7> iDriveName;

    //

    HBufC* iName;

    TUint iUniqueID;

    TInt64 iSize;

    TInt64 iFree;

    };

#endif