1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 #ifndef MEMSPYENGINEHELPERSYSMEMTRACKERIMP_H

    19 #define MEMSPYENGINEHELPERSYSMEMTRACKERIMP_H

    20 

    21 // System includes

    22 #include <e32base.h>

    23 #include <badesca.h>

    24 

    25 // Driver includes

    26 #include <memspy/driver/memspydriverobjectsshared.h>

    27 

    28 // User includes

    29 #include <memspy/engine/memspyenginehelpersysmemtrackerconfig.h>

    30 

    31 // Classes referenced

    32 class CMemSpyEngine;

    33 class MMemSpyEngineHelperSysMemTrackerObserver;

    34 class TMemSpyEngineHelperSysMemTrackerConfig;

    35 class CMemSpyEngineHelperSysMemTrackerCycle;

    36 class CMemSpyEngineHelperSysMemTrackerEntryManager;

    37 

    38 

    39 

    40 NONSHARABLE_CLASS( CMemSpyEngineHelperSysMemTrackerImp ) : public CTimer, public MDesCArray

    41     {

    42 public:

    43     static CMemSpyEngineHelperSysMemTrackerImp* NewL( CMemSpyEngine& aEngine );

    44     ~CMemSpyEngineHelperSysMemTrackerImp();

    45 

    46 private:

    47     CMemSpyEngineHelperSysMemTrackerImp( CMemSpyEngine& aEngine );

    48     void ConstructL();

    49 

    50 public: // API

    51     void StartL( const TMemSpyEngineHelperSysMemTrackerConfig& aConfig );

    52     void StopL();

    53 

    54     void SetObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver );

    55     void RemoveObserver( MMemSpyEngineHelperSysMemTrackerObserver* aObserver );

    56     

    57     const RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle >& CompletedCycles() const;

    58 

    59 public: // From MDesCArray

    60     TInt MdcaCount() const;

    61     TPtrC MdcaPoint( TInt aIndex ) const;

    62 

    63 public: // But not exported

    64     void Reset();

    65     void CheckForChangesNowL();

    66     //

    67     inline CMemSpyEngine& Engine() { return iEngine; }

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

    69 

    70 private: // Internal methods

    71     void PrepareInitialCycleL();

    72     void CheckForChangesL();

    73     void NotifyObserverCycleStartedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    74     void NotifyObserverCycleFinishedL( CMemSpyEngineHelperSysMemTrackerCycle& aCycle );

    75     void AddCycleAndPopL( CMemSpyEngineHelperSysMemTrackerCycle* aCycle );

    76     CMemSpyEngineHelperSysMemTrackerCycle* LastCycleOrNull();

    77 

    78 private: // From CActive

    79     void RunL();

    80     TInt RunError( TInt aError );

    81 

    82 private:

    83     CMemSpyEngine& iEngine;

    84     TMemSpyEngineHelperSysMemTrackerConfig iConfig;

    85     CMemSpyEngineHelperSysMemTrackerEntryManager* iEntryManager;

    86     RPointerArray< CMemSpyEngineHelperSysMemTrackerCycle > iCompletedCycles;

    87     MMemSpyEngineHelperSysMemTrackerObserver* iObserver;

    88     };

    89 

    90 

    91 

    92 #endif