/*

* 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:  

*

*/

#ifndef SAEETELOBSERVER_H

#define SAEETELOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <etelpckt.h>

// CONSTANTS

// FORWARD DECLARATIONS

class CSaePubSubNotifier;

class CSaeGprsAvailabilityObs;

// CLASS DECLARATION

/**

*  This class is responsible for creating the ETel observer

*/

NONSHARABLE_CLASS( CSaeEtelObserver ) : public CBase

    {

    public:  // Constructors and destructor

        /**

        * C++ default constructor.

        */

        CSaeEtelObserver( CSaePubSubNotifier* aPubSubNotifier );

        /**

        * Two-phased constructor.

        */

        static CSaeEtelObserver* NewL( CSaePubSubNotifier* aPubSubNotifier );

        /**

        * Destructor.

        */

        virtual ~CSaeEtelObserver();

    public: // New functions

		/**

        * Initialize the Etel observer.

		* Create GPRS session and observers, and start listening for events.

        * @return completion code (standard Symbian error code, KErrNone if ok)

        */

		TInt StartListeningL();

		/**

        * Notifies Publish and Subscribe (delegates it to iPubSubNotifier)

        * @param aVariable SA variable uid

        * @param aState New state

        */

		void NotifyPubSub( const TUid aVariable, const TInt aState );

    private:

        /**

        * By default EPOC constructor is private.

        */

        void ConstructL();

        // By default, prohibit copy constructor

        CSaeEtelObserver( const CSaeEtelObserver& );

        // Prohibit assigment operator

        CSaeEtelObserver& operator= ( const CSaeEtelObserver& );

    private:    // Data

		// A pointer to the Publish and Subscribe interface. Not owned.

		CSaePubSubNotifier* iPubSubNotifier;

		// Observes the GPRS availability

		CSaeGprsAvailabilityObs* iGprsAvailabilityObs;

		// RTelServer session

		RTelServer iEtelServer;

		// RPhone session

		RPhone iPhone;

		// MultiMode Etel API

		RPacketService iService;

  };

#endif      // SAEETELOBSERVER   

// End of File