/*

* 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:  RCallNotify observer getting notifications about call requests

*                from Phone Server.

*

*/

#ifndef RPHCLTCALLNOTIFY_H

#define RPHCLTCALLNOTIFY_H

//  INCLUDES

#include <e32base.h>

//  FORWARD DECLARATIONS

class RPhCltServer;

class CPhCltExtPhoneDialData;

// CLASS DECLARATION

/**

*  RCallNotify observer getting notifications about call requests

*  from Phone Server.

*

*  @lib phoneclient.lib

*  @since 1.0

*/

class RPhCltCallNotify : public RSubSessionBase

    {

    public: // Constructors and destructors.

        /**

         * Constructor.

         */

        RPhCltCallNotify();

    public: // New functions

        /**

        * Open subsession to server.

        * 

        * @param aServer Pre-opened server session.

        * @return Symbian OS error code of the success of the opening.

        */

        TInt Open( RPhCltServer& aServer );

        /**

        * Close subsession.

        */

        void Close();

        /**

        * Notifies when a call request arrives.

        *

        * @param aStatus Status to be changed when call request have arrived.

        * @param aDatalength  Dial data length.

        */

        void NotifyCallAttempt( 

            TRequestStatus& aStatus, 

        /**

        * Cancel pending call attempt notification.

        */

        void CancelNotifyCallAttempt() const;

        /**

        * Respond to client request to make a call

        *

        * @param aResultCode Result of the response.

        */

        TInt RespondClient( const TInt aResultCode );

        void GetDialData( TDes8& aData );

        /**

        * Notifies when a emergency call request arrives.

        *

        * @param aStatus Status to be changed when call request have arrived.

        * @param aEmergencyNumber 

        *

        */

        void NotifyEmergencyCall( 

            TRequestStatus& aStatus,

            TDes8& aEmergencyNumber

        /**

        * Cancel pending call attempt notification.

        */

        void CancelNotifyEmergencyCall() const;

        /**

        * Respond to client request to make a emergency call

        *

        * @param aResultCode Result of the response.

        * @return Symbian OS error code of the success of the opening.

        */

        TInt RespondEmergencyToClient( const TInt aResultCode ); 

        /**

        * Notifies when a Command handler request arrives.

        *

        * @param aStatus Status to be changed when command handler request

        *                has arrived.

        * @param aCommandArgs Command argument storage place. 

        *                     That is, packaged version of class 

        *                     TPhCltComHandCommandParameters.

        */

        void NotifyComHandCommand( 

            TRequestStatus& aStatus, 

            TDes8& aCommandArgs );

        /**

        * Cancel pending command handler request notification.

        */

        void CancelNotifyComHandCommand() const;

        /**

        * Respond to client's command handler request.

        *

        * @param aResultCode Result of the response 

        *        (previous function execution).

        * @return KErrNone if respond succeeded, otherwise Symbian error code.

        */

        TInt RespondComHandClient( const TInt aResultCode );

    };

#endif    // RPHCLTCALLNOTIFY_H

// End of File