/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Implements the contact callback interface.

*

*/

#ifndef C_CCONTACTINTERFACECALLBACK_H

#define C_CCOTNACTINTERFACECALLBACK_H

// System includes

#include <e32base.h>

// User Includes

#include "contactcallback.h"

#include "contactinterface.hrh"

#include "contactiterator.h"

// Forward declarations

class MLiwNotifyCallback;

class CLiwGenericParamList;

/**

 * CContactInterfaceCallback - Implements the contact callback interface.

 * Passes the frames and notifies the the events

 * through callback.

 */

class CContactInterfaceCallback : public CBase, public MContactCallback

    {

    public:

        /**

         * Two-phased constructor.

         * @return CContactInterfaceCallback*

         */

        static CContactInterfaceCallback* NewL();

		/**

         * Two-phased constructor.

         * @return CContactInterfaceCallback*

         */

        static CContactInterfaceCallback* NewL(CSingleContact* aContact);

        /**

         * Destructor

         */

        virtual ~CContactInterfaceCallback();

    private:

        /**

         * Default constructor.

         */

        CContactInterfaceCallback();

    public:

        /**

         * Method  to set the parameters for the callback.

         * @param aCallback the callback to be called

         * @param aTransId the transaction Id

         * @param aInParamList to send back to LIW.

         * @return void

         */

        void SetParams( MLiwNotifyCallback* aCallback,

                        const TInt aTransId,

                        const CLiwGenericParamList* aInParamList );

        /**

         * Called when the any async operation returns with error or success

         * @return void

         */

        virtual void HandleReturnValue(TOperationEvent aEventId, const TInt& aError, TInt aTransId );

        /**

         * Called when the GetList returns the an iterator (which iterates over the output)

         * @return void

         */		

		virtual void HandleReturnIter(const TInt& aError,CContactIter* aIter, TInt aTransId );

    private:

        //Pointer to the MLiwNotifyCallback callback passed by consumer.

        MLiwNotifyCallback* iCallback;

        //Trasaction ID.

        TInt iTransactionId;

        //Referance to top the Input Parameter list passed by consumer.

        const CLiwGenericParamList* iInParamList;

        //Event Generic Parameter List

        CLiwGenericParamList* iEventParamList;

        //pointer to the single contact object needed for cleanup

        CSingleContact* iContact;        

    };

#endif // C_CCOTNACTINTERFACECALLBACK_H