/*

* Copyright (c) 2002 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:  CPsetCallWaiting is call waiting SS setting abstraction.

*

*

*/

#ifndef     PSETCALLWAITING_H

#define     PSETCALLWAITING_H

// INCLUDES

#include <etelmm.h>

#include <mmretrieve.h>

#include "nwdefs.h"

// FORWARD DECLARATIONS

class MAdvGsmLineCallWaitingMode;

class MPsetRequestObserver;

// CLASS DECLARATION

/**

*  CPsetCallWaiting class is call waiting SS handler. 

*  @lib phonesettings.lib

*  @since 1.0

*/

class CPsetCallWaiting :    public CActive, 

                            public MPsetCallWaiting,

                            public MSSSettingsObserver

    {

    public: // constructor & destructor

        /**

        * Symbian OS 2-phase Constructor.

        *

        * @param aPhone Provides client access to 

        *               mobile phone functionality provided by TSY.

        * @param aObserver Call Waiting observer.

        * @return Created CPsetCallWaiting object.

        */

        /*****************************************************

        *    Series 60 Customer / ETel

        *    Series 60  ETel API

        *****************************************************/

        IMPORT_C static CPsetCallWaiting* NewL( RMobilePhone& aPhone, 

            MPsetCallWaitingObserver& aObserver );

        /**

        * Destructor.

        */

        IMPORT_C ~CPsetCallWaiting();

    public: // from base class MPsetCallWaiting

        /**

        * @see MPsetCallWaiting::SetCallWaitingL().

        */

        IMPORT_C void SetCallWaitingL( 

            TSetCallWaiting aSetting,

            TBasicServiceGroups aBsc );

        /**

        * @see MPsetCallWaiting::GetCallWaitingStatusL(). 

        */

        IMPORT_C void GetCallWaitingStatusL();

        /**

        * @see MPsetCallWaiting::CancelProcess().

        */

        IMPORT_C TInt CancelProcess();

    public: //new

        /**

        * Sets request observer.

        *

        * @param aObs Where the request completion should be informed to.

        */

        IMPORT_C void SetRequestObserver( MPsetRequestObserver* aObs );

        /**

        * @see MSSSettingsObserver::PhoneSettingChanged().

        */

        void PhoneSettingChanged( TSSSettingsSetting aSetting, TInt aNewValue );     

    private: // from base class CActive

        void RunL();

        void DoCancel();

    private: //new

        //Service requests for call waiting.

        enum TPSetServiceRequest 

            {

            EPSetServiceRequestNone,

            EPSetServiceRequestGetCallWaitingStatus,

            EPSetServiceRequestSetCallWaiting

            };

        void SetPsuiObserver( MPsetCallWaitingObserver& aObserver );

        void CleanupLeavePushL();

        void HandleLeave();

        static void DoHandleLeave( TAny* aAny );

        void RequestCompleted( const TInt& aError );

        void SetRequestStatus( TPSetServiceRequest aStatus );

        void ValidateBsc( TBasicServiceGroups& aBsc );

    private:    // constructors

        /*****************************************************

        *    Series 60 Customer / ETel

        *    Series 60  ETel API

        *****************************************************/

        CPsetCallWaiting( RMobilePhone& aPhone ); 

    private:        

        //Request observer

        MPsetRequestObserver* iReqObserver;        

        /*****************************************************

        *    Series 60 Customer / ETel

        *    Series 60  ETel API

        *****************************************************/

        //Provides client access to mobile phone functionality provided by TSY.

        RMobilePhone& iPhone;

        //Call waiting observer, shows notes associated with call waiting.

        MPsetCallWaitingObserver* iObserver;

        //Currently active request

        TPSetServiceRequest iServiceRequest;

        //Call waiting action type

        MPsetCallWaiting::TSetCallWaiting iSetValue;

        /*****************************************************

        *    Series 60 Customer / ETel

        *    Series 60  ETel API

        *****************************************************/

        //Retrieves the Call Waiting status list from the phone.

        CRetrieveMobilePhoneCWList* iCwInterrogator;     

        // Value of Alternative Line Selection setting

        TSSSettingsAlsValue iAls;

        // SsSettings pointer, accesses supplementary services on SIM

        RSSSettings* iSsSettings;

        // For run time variation.

        TBool iCallWaitingDistinquishEnabled;

    };

#endif // PSETCALLWAITING_H

// end of file