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 

    19 #ifndef PERFMON_POWERLISTENER_H

    20 #define PERFMON_POWERLISTENER_H

    21 

    22 // INCLUDES

    23 #include <hwrmpower.h>

    24 

    25 #include "perfmon.hrh"

    26 

    27 // HWRM reporting interval multiplier

    28 const TInt KSampleIntervalMultiple = 1;

    29 const TInt KReportingDuration = 0;  // Infinite duration

    30 

    31 class CPerfMonPowerListener : public CBase, public MHWRMBatteryPowerObserver

    32     {

    33 public:

    34     static CPerfMonPowerListener* NewL();

    35     ~CPerfMonPowerListener();

    36 

    37 private:

    38     CPerfMonPowerListener();

    39     void ConstructL();

    40 

    41     // Handling central repository max reporting period key

    42     void GetReportingPeriodL();

    43     void SetReportingPeriodL(TInt aDuration);

    44 

    45 public:

    46     static TBool IsSupported();

    47 

    48     // Start monitoring power values

    49     TInt Activate();

    50     // Stop monitoring power values

    51     void DeActivate();

    52 

    53     // Get average power since last read.

    54     TInt GetPower();

    55     // Maximum power value since measurement started

    56     inline TInt GetMaxPower()       { return iMaxPower; }

    57 

    58     virtual void PowerMeasurement(TInt aErrCode, CHWRMPower::TBatteryPowerMeasurementData& aMeasurement);

    59 

    60 private:

    61     CHWRMPower*                     iHWRMPower;

    62     RArray<TInt>                    iPowerBuffer;

    63     TInt                            iLastPowerAvg;

    64     TInt                            iMaxPower;

    65 

    66     TInt                            iOriginalMaxReportingPeriod;

    67     };

    68 

    69 #endif