/*

* Copyright (c) 2007 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:  Declarations for class CSPCallAddedHandler

*

*/

#ifndef CSPCALLADDEDHANDLER_H

#define CSPCALLADDEDHANDLER_H

#include <e32base.h>

#include <etelmm.h>

#include "rcsplinecontainer.h"

#include "mcsplinestatusobserver.h" // For MCSPLineStatusObserver

class CSPCall;

class CSPCallArray;

class CSProvider;

class MCCPCSObserver;

class RCSPLineContainer;

class CSPEtelLineStatusMonitor; 

class CSPEtelCallWaitingRequester;

class MCSPCommonInfo;

class CSPAudioHandler;

/**

* Handles call adding from calls not done by the plugin.

*

*  @lib csplugin.dll

*/

NONSHARABLE_CLASS(CSPCallAddedHandler): public CBase,                            

                           public MCSPLineStatusObserver

    {

    public: //Constructors and descructor    

        /**

        * Two-phased constructing for the monitor.

        *

        * @param aObserver the observer for getting notification

        * @param aLine the line to monitor

        * @param aLineId line identifier

        */

        static CSPCallAddedHandler* NewL( 

                const MCCPCSObserver& aObserver,

                RCSPLineContainer& aLineContainer,

                CSPCallArray& aCallArray,

                MCSPCommonInfo& aCommonInfo,

                CSPAudioHandler& aAudioHandler );

        /**

        * C++ default destructor

        */

        virtual ~CSPCallAddedHandler( );

// from base class MCSPLineStatusMonitor        

        /**

        * Handles line status change notifications 

        * @param aLine the line to monitor

        * @param aLineId line identifier

        * @param aLineStatus

        */        

        void LineStatusChanged( RMobileLine& aLine,

                RCSPLineContainer::TCSPLineId aLineId, 

                RMobileCall::TMobileCallStatus& aLineStatus );

    protected: // From CActive

        /**

        * From CActive

        * RunL

        */

        void RunL();

        /**

        * From CActive

        * Catches errors if RunL leaves

        * @param aError error code

        * @return error code

        */

        TInt RunError( TInt aError );

        /**

        * From CActive

        * Cancels the monitor

        */

        void DoCancel();

    private:

        /**

        * C++ default constructor

        * @param aObserver the observer for status change (incoming call)

        * @param aLine the line associated with the call

        * @param aLineId line identifier

        */

        CSPCallAddedHandler( const MCCPCSObserver& aObserver, 

                             RCSPLineContainer& aLineContainer,

                             CSPCallArray& aCallArray,

                             MCSPCommonInfo& aCommonInfo,

                             CSPAudioHandler& aAudioHandler );

        /**

        * Constructs the monitor in the second phase.

        */

        void ConstructL();

        /**         

        * Handles call creation 

        * @param aLine the line to monitor

        * @param aCallName the call name 

        * @param aLineId line identifier

        */

        void CallAdded( RMobileLine& aLine, 

                        TName aCallName,

                        RCSPLineContainer::TCSPLineId aLineId );

    private: // data

        /**

        * Line container. 

        */        

        RCSPLineContainer& iLineContainer;

        /**

        * Notifications observer.

        */

        const MCCPCSObserver& iObserver;

        /**

        * Line status monitors.

        */

        CSPEtelLineStatusMonitor* iVoiceLineMonitor;        

        CSPEtelLineStatusMonitor* iDataLineMonitor;

        CSPEtelLineStatusMonitor* iAuxLineMonitor;

        /**

        * Array of calls.

        */

        CSPCallArray& iCallArray;

        /**

        * Common info handle.

        */

        MCSPCommonInfo& iCommonInfo;

        /**

        * Audio Handler reference.

        */

        CSPAudioHandler& iAudioHandler;

    };

#endif // CSPCALLADDEDHANDLER_H