/*

* 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 BAPPEA_PWR_SAMPLER_H

#define BAPPEA_PWR_SAMPLER_H

//#define PWR_SAMPLER_BACKLIGHT

// system definitions

#include <w32std.h>

#include <e32std.h>

#include <e32property.h>

// user definitions

#include <piprofiler/SamplerPluginInterface.h>

#include <piprofiler/ProfilerGenericClassesUsr.h>

// caption definitions

_LIT8(KPWRShortName, "pwr");

_LIT8(KPWRMediumName, "Power sampler");

_LIT8(KPWRLongName, "Power usage sampler");

_LIT8(KPWRDescription, "Power sampler: \nSampling power consumption on Nokia S60 devices\nHW dep: N/A\nSW dep: S60 3.0\n");

// Minimum allowed sampling interval (in ms). 0 means undefined.

const TInt KMinSampleInterval = 250;

const TInt KReportingPeriodInfinite = 0;

const TUid KGppPropertyCat={0x20201F70};

enum TGppPropertyKeys

    {

    EGppPropertySyncSampleNumber

    };

const TUid KPwrNotifierUid = { 0x2001E5B9 };

class CProfilerPowerListener;

/*

 *

 * PWR sampler plug-in definition

 *

 */

class CPwrPlugin : public CSamplerPluginInterface

{

public:

    static  CPwrPlugin* NewL(const TUid aImplementationUid, TAny* aInitParams);

            ~CPwrPlugin();

    TInt    ResetAndActivateL(CProfilerSampleStream& aStream);

    TInt    StopSampling();

    TBool   Enabled() { return iEnabled; }

    void    SetEnabled(TBool aEnabled);

    TInt    GetSamplerType();

    TInt    CreateFirstSample();

    void    GetAttributesL(CArrayFixFlat<TSamplerAttributes>* aAttributes);

    TInt    SetAttributesL(TSamplerAttributes& aAttributes);

    void    InitiateSamplerAttributesL();

    TInt    ConvertRawSettingsToAttributes(CDesC8ArrayFlat* aSingleSettingArray);

    TInt    DoSetSamplerSettings(CDesC8ArrayFlat* aAllSettings, TDesC8& aSamplerName, TInt aIndex);

    void    SaveSettingToAttributes(const TDesC8& aSetting, TInt aIndex);

    TUid    Id(TInt aSubId) const;

    // subsampler settings, i.e. samplers implemented within a plugin

    // no sub samplers, from CSamplerPluginInterface

    TInt    SubId(TUid aId) const {return KErrNotFound;}

    TInt    GetSubSamplers(TDes* aDes){return KErrNotFound;}

private:

            CPwrPlugin();

    void    ConstructL();

private:

    TUint8                  iVersion[20];

    TPtr8                   iVersionDescriptor;

    TInt                    iSamplerType;

    CProfilerPowerListener* iPowerListener;

    TInt                    iPeriod;

    CArrayFixFlat<TSamplerAttributes>* iSamplerAttributes;

public:

    TUint32*                iSampleTime;

};

class CProfilerPowerListener : public CBase, public MHWRMBatteryPowerObserver, public MHWRMLightObserver

{

public:

    static  CProfilerPowerListener* NewL(CPwrPlugin* aSampler);

            ~CProfilerPowerListener();

private:

            CProfilerPowerListener(CPwrPlugin* aSampler);

    void    ConstructL();

public:

    TInt    StartL(const TDesC8& aBuf);

    TInt    Stop();

    TInt    DisplayNotifierL(const TDesC& aLine1, const TDesC& aLine2, const TDesC& aButton1, const TDesC& aButton2);

    // From MHWRMBatteryPowerObserver

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

    // From MHWRMLightObserver

    virtual void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);

private:

    void    Sample();

public:

    TInt                    iPwrSamplingPeriod;

    TInt                    iSampleStartTime;

    // Value that is read from Central Repository and restored after sampling

    TInt                    iOriginalReportingPeriod;

private:

    TUint8                  iSample[13];

    TUint16                 iNominalCapa;

    TUint16                 iVoltage;

    TUint16                 iCurrent;

    CPwrPlugin*             iSampler;

    CHWRMPower*             iPowerAPI;

    CHWRMLight*             iLightAPI;

    CHWRMLight::TLightStatus iBackLightStatus;

};

#endif