/*

* 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 MEMSPYENGINEHELPERSYSMEMTRACKERENTRYHEAP_H

#define MEMSPYENGINEHELPERSYSMEMTRACKERENTRYHEAP_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 CMemSpyEngineHelperSysMemTrackerEntryHeap : public CMemSpyEngineHelperSysMemTrackerEntry

    {

public:

    static CMemSpyEngineHelperSysMemTrackerEntryHeap* NewUserLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker, CMemSpyThread& aThread );

    static CMemSpyEngineHelperSysMemTrackerEntryHeap* NewKernelLC( CMemSpyEngineHelperSysMemTrackerImp& aTracker );

    ~CMemSpyEngineHelperSysMemTrackerEntryHeap();

private:

    CMemSpyEngineHelperSysMemTrackerEntryHeap( CMemSpyEngineHelperSysMemTrackerImp& aTracker, TMemSpyEngineSysMemTrackerType aType );

    void ConstructL();

    void ConstructL( CMemSpyThread& aThread );

public: // From CMemSpyEngineHelperSysMemTrackerEntry

    TUint64 Key() const;

    void UpdateFromL( const CMemSpyEngineHelperSysMemTrackerEntry& aEntry );

    TBool HasChangedL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig ) const;

    void CreateChangeDescriptorL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    void UpdateCycleStatistics( CMemSpyEngineHelperSysMemTrackerCycle& aInfo );

    void SetAsShared( TBool aShared );

private: // Internal methods

    void UpdateHeapInfoL( TMemSpyHeapInfo& aInfo );

    TBool HasHeapSizeChanged() const;

    TBool HaveFreeCellsChanged() const;

    TBool HaveAllocCellsChanged() const;

private: // Data members

    TMemSpyHeapInfo iLast;

    TMemSpyHeapInfo iCurrent;

    HBufC* iThreadName;

    };

/**

 * Change descriptor associated with heap-related changes

 */

NONSHARABLE_CLASS( CMemSpyEngineHelperSysMemTrackerCycleChangeHeap ) : public CMemSpyEngineHelperSysMemTrackerCycleChange

    {

public:

    static CMemSpyEngineHelperSysMemTrackerCycleChangeHeap* NewLC( TUint8 aAttribs, const TDesC& aThreadName, const TMemSpyHeapInfo& aCurrent, const TMemSpyHeapInfo* aLast = NULL );

    ~CMemSpyEngineHelperSysMemTrackerCycleChangeHeap();

private:

    CMemSpyEngineHelperSysMemTrackerCycleChangeHeap( TUint8 aAttribs, const TMemSpyHeapInfo& aCurrent );

    void ConstructL( const TDesC& aThreadName, const TMemSpyHeapInfo* 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: // Internal methods

    TBool IsKernel() const;

    void FormatAttributes( TDes& aBuffer ) const;

private: // Data members

    HBufC* iThreadName;

    TMemSpyHeapInfo iCurrent;

    TMemSpyHeapInfo* iLast;

    };

#endif