1 /*

     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: this is an observer class handling session status change

    15 *

    16 */

    17 

    18 #ifndef __MPENGSESSIONSTATUSOBSERVER_H

    19 #define __MPENGSESSIONSTATUSOBSERVER_H

    20 

    21 

    22 //  INCLUDES

    23 #include    <E32Std.h>

    24 #include    "PEngPresenceEngineConsts2.h"

    25 

    26 // DATA TYPES

    27 

    28 

    29 

    30 // FORWARD DECLARATIONS

    31 

    32 

    33 // CLASS DECLARATION

    34 /**

    35  *  Access handler of one network session

    36  *

    37  *  It is used to open/close network session

    38  *  and register its observers

    39  *

    40  *  @since 3.0

    41  */

    42 class MPEngSessionStatusObserver

    43     {

    44 

    45     public: //

    46 

    47         /**

    48          *  Handle Session status change

    49          *

    50          *  @since 3.0

    51          *

    52          *  @param new session slot state

    53          *  @param new session slot event

    54          */

    55         virtual void StatusChangedL( TPEngNWSessionSlotState aNewState,

    56                                      TPEngNWSessionSlotEvent aNewEvent ) = 0;

    57 

    58 

    59     protected:  //Destructor

    60 

    61         /**

    62          *  Virtual inline destructor.

    63          *  Protected destructor to prohibits deletion trough interface.

    64          */

    65         virtual ~MPEngSessionStatusObserver() {};

    66     };

    67 

    68 

    69 #endif      //  __MPEngSessionStatusObserver_H

    70 

    71 //  End of File

    72 

    73 

    74