/*

* Copyright (c) 2007-2009 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:  Delivers asynchronous requests to ETel

*

*/

#ifndef CSPVIDEOCALLCONNECTIONHANDLER_H

#define CSPVIDEOCALLCONNECTIONHANDLER_H

#include <e32base.h>

#include <etelmm.h>

#include <rmmcustomapi.h>

#include <es_sock.h>

#include <es_enum.h>

class CSPVideoCall;

/**

* Handles data call connection specific requests.

* Provides canceling via CActive::Cancel().

* 

*/

class CSPVideoCallConnectionHandler : public CActive

    {

    public:

        /**

        * Constructs the requester via two phase.

        *

        * @param aObserver the observer for request errors

        * @param aCall ETel RMobileCall reference that is the object

        * of the request.

        */

        static CSPVideoCallConnectionHandler* NewL( CSPVideoCall& aObserver, 

                                           RMobileCall& aCall );

        /**

        * C++ default destructor

        */

        virtual ~CSPVideoCallConnectionHandler( );

        /**

        * Initializes connection including data port loaning.

        * @since S60 3.2

        * @return KErrNone if successful, else error code

        */

        TInt InitializeConnection(  );

        /**

        * Releases connection including data port loaning.

        * @since S60 3.2

        * @return KErrNone if successful, else error code

        */        

        TInt ReleaseConnection( );

        /**

        * Connection initialized.

        * @since S60 3.2

        * @return connection initialized status

        */

        TBool ConnectionInitialized(  );

    protected: // From CActive

        /**

        * From CActive

        * RunL

        * @since S60 3.2

        */

        void RunL();

        /**

        * From CActive

        * Cancels the monitor

        * @since S60 3.2

        */

        void DoCancel();

    private:

        /**

        * Constructs the connection handler.

        *

        * @param aObserver the observer for request errors

        * @param aCall ETel RMobileCall reference that is the object

        * of the request.

        */

        CSPVideoCallConnectionHandler( CSPVideoCall& aObserver, 

                              RMobileCall& aCall );

        /**

        * Constructing in the second phase.

        */

        void ConstructL();

        /**

        * Create socket connection.  

        */

        TInt CreateSocketConnection();

        /**

        * Loan data port. 

        * Initiates asynchronous request to loan dataport. 

        */

        TInt LoanDataPort();

        /**

        * Close socket connection.  

        */

        void CloseConnection();

    private: // data

        /**

        * Observer for request errors.

        */

        CSPVideoCall& iObserver;        

        /**

        * ETel call which this monitors

        */

        RMobileCall& iCall;        

        /**

        * Comm port info.

        */

        RCall::TCommPort iCommPort;

        /**

        * Connection reference

        */

        RConnection iConnection;

        /**

        * Tells if socket connection has been initialized

        */

        TBool iConnectionInitialized;

        /**

        * Socket Server handle.

        */

        RSocketServ iSocketServer;

    };

#endif // CSPVIDEOCALLCONNECTIONHANDLER_H