/*

* Copyright (c) 2003 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:  Nitz information observer used by DRMClock

*

*/

#ifndef DRMNITZOBSERVER_H

#define DRMNITZOBSERVER_H

// INCLUDES

#include <e32base.h>	// CBase

#include <e32std.h>

#include <e32def.h>		// Type definitions

#include <bacntf.h>

#include <etelmm.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

class CDRMClock;

/**

*  CDRMNitzObserver implements the NITZ observer

*  required by DRM Clock

*

*  @lib unipertar.exe

*  @since 2.8

*/

NONSHARABLE_CLASS( CDRMNitzObserver ) : public CActive

    {

    public:

        /**

        * NewL

        *

        * Creates an instance of the CDRMNitzObserver class and returns a pointer to it

        *

        * @since  2.8

        * @param aMobilePhone : connected handle to RMobilePhone

        * @param aDRMClock : pointer to an instance of CDRMClock

        * @return Functional CDRMNitzObserver object, Function leaves if an error occurs.

        */    

        static CDRMNitzObserver* NewL( RMobilePhone& aMobilePhone, 

                                       CDRMClock* aDRMClock);

        /**

        * Start

        *

        * Adds the instance to the active scheduler unless it's already there and

        * completes a request so RunL() gets called.

        *

        * @since  2.8

        * @return none

        */  

        void Start();  

        /**

        * From CActive: RunL catches events from The phone server

        */

        void RunL();

        void DoCancel();

        // Destructor

        virtual ~CDRMNitzObserver();

    protected:

        /**

        * From CActive: RunError checks the errors from RunL.

        */

        TInt RunError( TInt aError );   

    private:

        /* constructor */

        CDRMNitzObserver( RMobilePhone& aMobilePhone, CDRMClock* aDRMClock);

        /* secondary constructor */

        void ConstructL();

        /**

        * CheckDateTimeVal

        *

        * Validates the given datetime

        *

        * @since 2.8

        * @param aDateTime : the time to be validated

        * @return System wide error code

        */

        TInt CheckDateTimeVal(const TDateTime& aDateTime);

        /**

        * GetNitzTime

        *

        * Gets the NITZ time

        *

        * @since 2.8

        * @param aNitzTime : the requested NITZ time in UTC 

        * @param aTimeZone : the timezone in +/- 15 minutes 

        * @return ETrue if NITZ is available a

        *         EFalse if NITZ is not available

        */

        TBool GetNitzTime(TTime& aNitzTime, TInt& aTimeZone);

        CDRMClock* iDRMClock;

        RMobilePhone* iMobilePhone;

        RMobilePhone::TMobilePhoneNITZ iNitzInfo;

        TInt iError;

    };

#endif // DRMNITZOBSERVER_H

// End of File