/*

* Copyright (c) 2002-2005 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:  CPsetSAObserver handles all the queries to observer.

*

*

*/

#ifndef     PSETSAOBSERVER_H

#define     PSETSAOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <PSVariables.h>

#include <ctsydomaincrkeys.h>

// FORWARD DECLARATIONS

class MPsetNetworkInfoObserver;

class MPsetDivertObserver;

class CPSetSubscriberIdCheck;

//  CONSTANTS  

const TInt KCodeUnspecified(-1);

// CLASS DECLARATION

/**

*  Class is used to create params for NotifyDivertChange method.

*

*  @lib phonesettings.dll

*  @since 3.2

*/

class TCallDivertNotifySetting

    {

    public: // new    

        void Initialize()

            {

            iPreviousCfStatus = KCFIndicatorUnknown;

            iCfActivated = EFalse;

            iVmbxDivert = EFalse;

            iBasicServiceCode = KCodeUnspecified;

            }

    public: //member data

        // Current status of divert. Note: GetCurrentDivertStatus returns

        // current status.

        TUnconditionalCFStatus iPreviousCfStatus;

        // ETrue if activating divert and EFalse if deactivating.

        TBool iCfActivated;

        // True if voice mailbox divert, otherwise false.

        TBool iVmbxDivert;

        // BasicServiceCode related to divert operation, see nwDefs.h

        // for more information. 

        TInt iBasicServiceCode;

    };

/**

*  Class is used to exchange information to/from observer.

*

*  @lib phonesettings.dll

*  @since 1.0

*/

class CPsetSAObserver : public CActive

    {

    public: // constructor & destructor

        /**

        * First phase constructor.

        * 

        * @return Returns the CPsetSAObserver-object

        */

        IMPORT_C static CPsetSAObserver* NewL();

        /* Destructor */

        IMPORT_C ~CPsetSAObserver();

    public:

        //Current call status.

        enum TPSetCallStatus

            {

            EPSetNoCallsActive = 0,

            EPSetCallActive

            };

        /**

        * Queries if there is an active call.

        *

        * @return call status (active or not)

        */

        IMPORT_C TInt IsCallActive();

        //GPRS connection status.

        enum TPSetGPRSConnectionStatus

            {

            EPSetGPRSNotConnected = 0,

            EPSetGPRSConnectionActive

            };

        /**

        * Queries if there is an active gprs connection.

        *

        * @return gprs connection status (active or not)

        */

        IMPORT_C TInt IsGPRSConnected();

        /**

        * Sets Network observer object.

        *

        * @param aObserver Reference to network observer.

        */

        IMPORT_C void SetNetObserver( MPsetNetworkInfoObserver& aObserver );

        /**

        * Notifies of Divert changes. If the activator is not sure of the

        * settings, CPsetSAObserver tries to deduce correct state.

        *

        * @param aAlsStatus Currently used line.

        * @param aDivertNotify set of divert params, see TCallDivertNotifySetting above.

        * @param aActivatorUncertain Call divert requester does not know for certain

        *        all the values.

        */

        IMPORT_C void NotifyDivertChange( TSelectedLine aAlsStatus,

            TCallDivertNotifySetting& aDivertNotify, const TInt& aActivatorUncertain );

        /**

        * Returns whether there are active diverts and on what line.

        *

        * @param aStatus TCallForwardingStatus info.

        * @return KErrNone if successful else system wide error code if 

        * get fails.

        */

        IMPORT_C TInt GetCurrentDivertStatus( TUnconditionalCFStatus& aStatus );

    private: // from CActive

        void RunL();

        void DoCancel();

    private: //new

        /**

        * Handles divert indicator cases when ALS if OFF.

        */

        void HandleNoAlsIndicators( TCallDivertNotifySetting& aDivertNotify,

            const TInt& aActivatorUncertain );

        /**

        * Handles divert indicator cases when ALS on and

        * ALS line 1 active.

        */  

        void HandlePrimaryLineIndicators( TCallDivertNotifySetting& aDivertNotify );

        /**

        * Handles divert indicator cases when ALS on and

        * ALS line 2 active.

        */

        void HandleSecondaryLineIndicators( TCallDivertNotifySetting& aDivertNotify );

        /**

        * Set correct indicator value when divert activated 

        * to voicemail (no ALS).

        */

        void HandleVoiceMailBoxDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when diverted to some

        * other number than voicemail (no ALS).

        */   

        void HandleDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when deactivation

        * done (no ALS).

        */        

        void HandleDivertDeactivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Primary line 

        * activation done.

        */

        void HandlePrimaryLineDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Primary line 

        * deactivation done.

        */

        void HandlePrimaryLineDivertDeactivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Secondary line 

        * activation done.

        */

        void HandleSecondaryLineDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Secondary line 

        * deactivation done.

        */

        void HandleSecondaryLineDivertDeactivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Primary line 

        * activation done.

        */

        void HandlePrimaryLineDualDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Primary line 

        * deactivation done.

        */

        void HandlePrimaryLineDualDivertDeactivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Secondary line 

        * activation done.

        */

        void HandleSecondaryLineDualDivertActivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Set correct indicator value when Secondary line 

        * deactivation done.

        */

        void HandleSecondaryLineDualDivertDeactivation( 

            TUnconditionalCFStatus& aStatus,

            const TInt aBsc  );

        /**

        * Starts to listen to call alerting or call ringing events.

        */

        void NotifyCallStartedL();

        /**

        * Checks KTelephonyLVFlagDivertDualAffect status.

        */

        TBool IsDivertDualAffectFeatureEnabledL();

    private: // constructors

        void ConstructL();

        CPsetSAObserver();

    private: //member data

        //Observer for network related SS.

        MPsetNetworkInfoObserver*   iNetObserver;

        // The Notify interface to Publish And Subscribe.

        RProperty                   iNotifyProperty;

        CRepository* iRepository;

    }; 

#endif // PSETSAOBSERVER_H

// end of file