/*

* Copyright (c) 2004 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:  VAS contact handler interface

*

*/

#ifndef NSSCONTACTHANDLER_H

#define NSSCONTACTHANDLER_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CNssContactHandlerImplementation;

class CContactHandlerStopper;

/**

*  Contact handler creates voice tags out of phonebook contacts and keeps

*  SIND data in sync with the phonebook

*

*  @lib NssVASContactHdlr.dll

*  @since 2.8

*/

class CNssContactHandler :  public CBase

    {

   public:  // Constructors and destructor

      /**

      * Two-phased constructor.

      */

      IMPORT_C static CNssContactHandler* NewL();

      /**

      * Destructor.

      */

      IMPORT_C virtual ~CNssContactHandler();

   public: // New functions

      /**

      * Disables the contact handler until EnableEventHandling is called

      * Typically this means 'until reboot'

      * Is used in case of unrecoverable error.

      * 

      * @todo Move to private?

      * @return void

      */

      IMPORT_C void DisableEventHandling();

      /**

      * Enables the contact handler. 

      * 

      * @deprecated Move to private?

      * @return void

      */

      IMPORT_C void EnableEventHandling();

      /**

      * Sets pointer to object which handles ContactHandler thread stopping.

      * 

      * @param "CContactHandlerStopper* aStopper" Pointer to stopper object

      * @return void

      */

      void SetStopperPointer( CContactHandlerStopper* aStopper );

   private:

      /**

      * C++ default constructor.

      */

      CNssContactHandler();

      /**

      * Second-phase constructor

      */

      void ConstructL();

      // Prohibit copy constructor if not deriving from CBase.

      /** @todo why? */

      CNssContactHandler( const CNssContactHandler& );

      // Prohibit assigment operator if not deriving from CBase.

      CNssContactHandler& operator= ( const CNssContactHandler& );

      /**

      * Thread function.

      *

      * @param "TAny* aParams" Void pointer given in the thread startup phase.

      */

      static TInt CHThreadFunction( TAny* aParams );

   private:

       // ContactHandler thread name

       TBuf<125> iThreadNameBuf;

       // Pointer to ContactHandler thread stopper

       CContactHandlerStopper* iStopper;

    };

#endif // CONTACTHANDLER_H

// End of File