/*

* Copyright (c) 2002-2004 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:  This file contains the header file of the CPEClientEmergencyCallMonitor class.

*

*/

#ifndef CPECLIENTEMERGENCYCALLMONITOR_H

#define CPECLIENTEMERGENCYCALLMONITOR_H

//INCLUDES

#include <e32base.h>

#include <cphcltemergencycall.h>

#include <mphcltdialemergencyrequestobserver.h>

#include "mpeclientcallrequestmonitor.h"

// FORWARD DECLARATIONS

class RTASecuritySession;

class CPEMessageHandler;

class MPEPhoneModelInternal;

class CPhCltCallNotify;

class CPhCltDialData;

// CLASS DECLARATION

/**

*  Monitor Emergency call requests from the phone server(/phone client). 

*  

*

*  @lib PhoneEngine.lib

*  @since S60_5.0

*/

NONSHARABLE_CLASS( CPEClientEmergencyCallMonitor ) 

        : public CBase,

          public MPEClientCallRequestMonitor,

          public MPhCltDialEmergencyRequestObserver  

{

    public: //Constructors and destructor

        /**

        * Two-phased constructor.

        * @param aModel Used to send client dial message to phone application.

        * @param aEngineInfo To where phone number is saved.

        * @param aPhoneServer Gived to RPhCltCallNotify in Open call.

        */

        static CPEClientEmergencyCallMonitor* NewL( 

            MPEPhoneModelInternal& aModel, 

            CPhCltCallNotify& ACallNotifier );

        /**

        * Destructor.

        */

        virtual ~CPEClientEmergencyCallMonitor(); 

    public:    //From MPEClientCallMonitor

        /**

        * Gets dial data

        * @return Reference to TPhCltTelephoneNumber, telephony number.

        */

        CPhCltDialData* ClientDialData();

        /**

        * Sends respond to the phone client

        * @param aRespond  contains respond to the phone client.

        */

        void SendRespond( const TInt aRespond );

    public: 

        /**

        * Emergency dial request observer

        */

        void EmergencyDialRequest();

    public:    //New functions

        /**

        * Starts monitoring phone client.

        */

        void StartMonitoring( );

        /**

        * Cancels asyncronous request(s).

        */

        void Cancel();

        /**

        * Tells whether this monitor is active.

        */

        TBool IsActive();

    public:

        /**

        * Informs object that asyncronous request is ready.

        */

        void DialEmergencyRequest();

    private:

        /**

        * C++ default constructor.

        * @param aModel Used to send client dial message to phone application.

        * @param aEngineInfo To where phone number is saved.

        */

        CPEClientEmergencyCallMonitor( MPEPhoneModelInternal& aModel,

                                     CPhCltCallNotify& aCallNotifier );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private:    //Data

        // MPEPhoneModelInternal is used to send message to the phone application

        MPEPhoneModelInternal& iModel;

        //  Notifies call request from the client/server interface.

        CPhCltCallNotify& iCallNotifier;

        // Client originated call (on/off)

        TBool iClientOriginatedCall;

        //Emergency number.

        TBuf<KPhCltEmergencyNumberSize> iEmergencyNumber;        

        // Monitoring flag

        TBool iMonitoring;

    };

#endif // CPECLIENTEMERGENCYCALLMONITOR_H

// End of File