/*

* Copyright (c) 2006-2008 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:    Observer interface used to receive notifications from

*                Connection Multiplexer.

*

*/

#ifndef M_MNCMCONNECTIONOBSERVER_H

#define M_MNCMCONNECTIONOBSERVER_H

#include <e32base.h>

/**

 *  Observer interface used to receive notifications from

 *  Connection Multiplexer

 *

 *  @lib connectionmux.lib

 *  @since S60 v3.2

 */

class MNcmConnectionObserver

    {

public:

/**  Types of connection notifies */

enum TConnectionNotifyType

    {

    EConnectionRemoved      = 1,

    EConnectionError        = 2,

    EReceivingActivated     = 3,

    EReceivingDeactivated   = 4,

    ESendingActivated       = 5,

    ESendingDeactivated     = 6,

    ETcpConnSetupCompleted  = 7,

    EFirstMediaPacketSent   = 8

    };

    /**

     * Called by Connection Multiplexer when actions for connection completes

     *

     * @since    S60 v3.2

     * @param    aStreamId           The ID identifying stream

     * @param    aConnectionId       The ID identifying connection

     * @param    aType               Type of notify

     * @param    aError              Error code

     * @return   void

     */

    virtual void ConnectionNotify( TUint aStreamId, TUint aConnectionId,

        TConnectionNotifyType aType, TInt aError ) = 0;

    };

#endif // M_MNCMCONNECTIONOBSERVER_H