/*

* Copyright (c) 2007-2009 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 CHARGING_STATUS_OBSERVER

#define CHARGING_STATUS_OBSERVER

// INCLUDES

#include <e32property.h>

#include <e32base.h>

#include <hwrmpowerstatesdkpskeys.h>

#include <etelmm.h>

// CLASS DECLARATION

/**

* MChargingStatusNotifier

* Interface class for NotifyChargingStatus()

*/

class MChargingStatusNotifier

    {

    public:

        /**

        * Notifier for charging status changes

        *

        * @param aError error code

        * @param aBatteryInfo data structure of contents of the battery status

        */

        virtual void NotifyChargingStatus( TInt aErrorCode,

            RMobilePhone::TMobilePhoneBatteryInfoV1 aBatteryInfo ) = 0;

    };

// CLASS DECLARATION

/**

* CChargingStatusObserver is used to provide battery charging status from HWRM

* to CTSY

*/

NONSHARABLE_CLASS( CChargingStatusObserver ) : public CActive

	{

    public:

        /**

        * Two-phased constructor

        *

        * @param aChargingStatusNotifier reference to interface class

        * MChargingStatusNotifier

        * @return Pointer to the created object

        */

    	static CChargingStatusObserver* NewL( 

    	    MChargingStatusNotifier& aChargingStatusNotifier );

    	/**

        * Two-phased constructor

        *

        * @param aChargingStatusNotifier reference to interface class

        * MChargingStatusNotifier

        * @return Pointer to the created object

        */

    	static CChargingStatusObserver* NewLC( 

    	    MChargingStatusNotifier& aChargingStatusNotifier );

    	/**

        * Destructor

        */

    	~CChargingStatusObserver();

    	/**

    	* Handles GetChargingStatus request completion event

    	*/

    	void RunL();

    	/**

    	* Cancellation of an outstanding request

    	*/

    	void DoCancel();

    	/**

    	* Get charging status

    	*/

    	void GetChargingStatus();

    private:

        /**

        * By default Symbian 2nd phase constructor is private

        */

       	void ConstructL();

       	/**

        * Constructor

        *

        * @param aChargingStatusNotifier reference to interface class

        * MChargingStatusNotifier

        */

    	CChargingStatusObserver( 

    	    MChargingStatusNotifier& aChargingStatusNotifier );

    private:

        /**

        * Property for charging status

        */

        RProperty iChargingStatus;

        /**

        * Reference to ChargingStatusNotifier object

        */

        MChargingStatusNotifier& iChargingStatusNotifier;

    };

#endif /*CHARGING_STATUS_OBSERVER*/