/*

* 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:  Class handling the use of Cch

*

*/

#ifndef     C_CIMCVENGINECCHHANDLER_H

#define     C_CIMCVENGINECCHHANDLER_H

// INCLUDES

#include <e32base.h>

#include <cch.h>

#include "cimcvengine.h"

#include "mimcvenginecchhandler.h"

#include "mimcvenginecchobserver.h"

class CSPSettings;

// CLASS DECLARATION

/**

 *  CCH handler

 *  This class implements the handling of CCH

 *

 *  @lib imcvengine.lib

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CIMCVEngineCchHandler ) : public CBase,

										public MIMCVEngineCchHandler,

										public MCchServiceStatusObserver

    {

    public:

        /**

         * Two-phased constructor.

         * @param aServiceId, service id to monitor

         */

        static CIMCVEngineCchHandler* NewL(TUint aServiceId, 

        								CIMCVEngine& aEngine);

        /**

         * Two-phased constructor.

         * @param aServiceId, service id to monitor

         */

        static CIMCVEngineCchHandler* NewLC(TUint aServiceId, 

        									CIMCVEngine& aEngine);

        /**

         * Standard C++ destructor

         */    

        ~CIMCVEngineCchHandler();

	/**

         * Register for CCh Events

	 * @param aObserver - Observer

         */

        void RegisterObserver(MIMCVEngineCCHObserver* aObserver);

	/**

         * UnRegister for CCh Events

	 * 

         */

	void UnRegisterObserver();

        /**

         * Gets service state

         *

         * @since S60 5.0         

         * @param aCCHState service state (result)

         * @return TInt Standard Symbian error code

         */         

         TInt GetServiceState(TCCHSubserviceState& aCCHState);

        /**

         * Enables service

         *

         * @since S60 5.0         

         * @return TInt, error code

         */

        TInt EnableService();

        /**

         * Returns the User Id for this service

         * Returns HbufC* and the caller of this function should deallocate the same

         * @since S60 5.0         

         * @return HBufC*

         */

        HBufC* GetUserIdL();

        /**

         * Returns the XimpFw Protocol UID for this service

         * Returns TInt 

         * @since S60 5.0         

         * @return TInt , error code

         */

        TInt GetAdapterUidL(); 

        /**

         * Disables service

         *

         * @since S60 5.0         

         * @return TInt, error code

         */

        TInt DisableService();        

    	/**

         * IsServiceLoggedIn

         *

         * @since S60 5.0         

         * 

         * @return ETrue - if Service Logged In, EFalse - Service Not Logged In

         */         

         TBool IsServiceLoggedIn();

    private:

    	// methods from MCchServiceStatusObserver

        /**

         * @see MCchServiceStatusObserver

         */

		void ServiceStatusChanged(

				TInt aServiceId,

				const TCCHSubserviceType aType,

				const TCchServiceStatus& aServiceStatus );    

		void DoHandleServiceStatusChangedL(

				TInt aServiceId,

				const TCCHSubserviceType aType,

				const TCchServiceStatus& aServiceStatus ); 				 

    private: // Implementation

        /**

         * Standard C++ constructor

         */    

        CIMCVEngineCchHandler(TUint aServiceId, 

        						CIMCVEngine& aEngine);

        /**

         * Performs the 2nd phase of construction.

         *

         */        

        void ConstructL();

    private: // Data    

		// Own: CCH Client

		CCch*	iCchClient;		

		TUint iServiceId;	//Service Id

		CIMCVEngine& iEngine; //engine

		//doesnt own

		MIMCVEngineCCHObserver* iObserver;

		TInt iPrevNwError;

    };

#endif // C_CIMCVENGINECCHHANDLER_H

// End of file