/*

* Copyright (c) 2006 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:  Observer interface for supplementary services (SS) events.

*

*/

#ifndef MCCESSOBSERVER_H

#define MCCESSOBSERVER_H

/**

* TODO list: 

* Call waiting service status, should be available via phone settings UI.

* DnD status

* see ccp part

*/

/**

 * Supplementary services observer.

 *

 * @since S60 v3.2

 */

class MCCESsObserver

    {

public:

    /** Barring related event. */

    enum TCCESsBarringEvent

        {

        /** Incoming call is barred. (DoCoMo) */

    /** CLI (Call Line Information) related event. */

    enum TCCESsCLIEvent

        {

        /** Temporary CLIR suppression was unsuccessful */

        /** Temporary CLIR activation was unsuccessful*/

        };

    /** Call forward related events that are not call related to an existing call. */

    enum TCCESsCallForwardEvent

        {

        /** Incoming call is forwarded */

        /** Outgoing call was forwarded because of user own settings. */

        /** Forward unconditional mode active */

        };

    /** Closed user group (Cug) */

    enum TCCESsCugEvent

        {

        ECCESsShowIncCallGroupIndex,

        ECCESsRejectedCause

        };

public:

    /**

    * Supplementary service call barring event occurred.

    * @param aBarringEvent Event that occurred.

    * @return none

    * @since S60 v3.2

    */

    /**

    * Supplementary service call line identification event occurred.

    * @param aCallLineEvent Event that occurred.

    * @return none

    * @since S60 v3.2

    */

    /**

    * Supplementary service related call forward event occurred.

    * @param aForwardMode Forward mode

    * @return none

    * @since S60 v3.2

    */

    /**

    * Supplementary service related active closed user group indications.

    * @param aCugEvent Event that occurred.

    * @return none

    * @since S60 v3.2

    */

    /**

    * Notifies active ALS line. CS plugin will notify this every time line changes 

    * @param aLine Used ALS line.

    * @return none

    * @since S60 v3.2

    */

    };

#endif // MCCESSOBSERVER_H