/*

* Copyright (c) 2008 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:  Accelerometer sensor implementation

 *

*/

#ifndef CACCELERATORSENSOR_H

#define CACCELERATORSENSOR_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <sensrvaccelerometersensor.h>

#include <sensrvchannel.h>

#include <sensrvdatalistener.h>

#include "csensorbase.h"

// CLASS DECLARATION

/**

 *  Cacceleratorsensor

 *

 */

class CAcceleratorSensor : public CSensorBase, public MSensrvDataListener

{

public:

    // Constructors and destructor

    /**

     * Destructor.

     */

    ~CAcceleratorSensor();

    /**

     * Two-phased constructor.

     */

    static CAcceleratorSensor* NewL(const TSensrvChannelInfo& aChannelInfo);

    /**

     * Two-phased constructor.

     */

    static CAcceleratorSensor* NewLC(const TSensrvChannelInfo& aChannelInfo);

public:    // From Sensor

    int OpenChannel(SensorListener* aListener);

public:    // From CSensorBase

    virtual HBufC* CreateDescriptionLC();

    virtual CSensorBase* DuplicateL();

    virtual TReal InterpretValue(TReal aValue);

    void StartDataListeningL();

    void StartConditionListeningL();

    void CancelDataListeningL();

    void CloseChannelL();

    void StopConditionListeningL();

private: // New methods

    void OpenChannelL();

    void DescriptorAppendChannel(TPtr* aPtr, const RSensrvPropertyList aList,

                                 TInt aItemIndex);

protected:

    void GetProperty(const RSensrvPropertyList aList,

                     const TSensrvPropertyId aPropertyId, const TInt aItemIndex,

                     TSensrvProperty& aProperty);

    void GetProperty(const RSensrvPropertyList aList,

                     const TSensrvPropertyId aPropertyId,

                     const TInt aItemIndex,

                     const TInt aArrayIndex,

                     TSensrvProperty& aProperty);

public:    // From MSensrvDataListener

    virtual void DataReceived(CSensrvChannel& aChannel, TInt aCount, TInt aDataLost);

    void DataError(CSensrvChannel& aChannel, TSensrvErrorSeverity aError);

    void GetDataListenerInterfaceL(TUid aInterfaceUid, TAny*& aInterface);

protected:

    /**

     * Constructor for performing 1st stage construction

     */

    CAcceleratorSensor(const TSensrvChannelInfo& aChannelInfo);

    /**

     * EPOC default constructor for performing 2nd stage construction

     */

    void ConstructL();

protected: // Methods used to differentiate between double value and raw data versions

    virtual void Model(TPtr* aPtr);

    virtual void DataType(TPtr* aPtr);

    virtual void DataUnit(const RSensrvPropertyList aList, TPtr* aPtr);

    virtual void DataRange(const RSensrvPropertyList aList,

                           TPtr* aPtr);

    virtual void CopyData(const TSensrvAccelerometerAxisData aData,

                          TInt aIndex);

    virtual TInt SensorDescriptionId();

protected: // Data

    /**

     * Channel information

     */

    TSensrvChannelInfo iChannelInfo;

    CSensrvChannel* iChannel;

    // Datas per channel

    SensorData* iChannelXData;

    SensorData* iChannelYData;

    SensorData* iChannelZData;

    // Multplier for scaled measurement values

    TReal iScaleFactor;

    // Start time of datalistening

    TTime iStartTime;

};

#endif // CACCELERATORSENSOR_H