1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // declaration of CAsynchEvent class

    15 // THIS API IS INTERNAL TO NETWORKING AND IS SUBJECT TO CHANGE AND NOT FOR EXTERNAL USE

    16 // 

    17 //

    18 

    19 /**

    20  @file 

    21  @internalTechnology

    22 */

    23 

    24 #include <e32base.h>

    25 

    26 #ifndef _ASYNCHEVENT_H_

    27 #define _ASYNCHEVENT_H_

    28 

    29 class CStateMachine;

    30 /**

    31  This is an abstract base for one asynchronous statemachine event

    32 

    33  The event can be part of the list built beforehand or on the fly.

    34  @see CStateMachine

    35  @internalTechnology

    36 

    37 **/

    38 class CAsynchEvent : public CBase

    39 {

    40 public:

    41    CAsynchEvent( CStateMachine* aStateMachine ) :

    42       iStateMachine( aStateMachine )

    43    {

    44    }

    45 

    46    virtual CAsynchEvent* ProcessL( TRequestStatus& aStatus ) = 0;

    47 

    48    void SetNext( CAsynchEvent* aNext );

    49    CAsynchEvent* Next() const;

    50 

    51 protected:

    52    CAsynchEvent* iNext; //reference

    53    CStateMachine* iStateMachine; //reference

    54 };

    55 

    56 inline void CAsynchEvent::SetNext( CAsynchEvent* aNext )

    57 /** 

    58  * Sets the next event

    59  *

    60  * @param aNext the next event to be set

    61  */

    62 {

    63    iNext = aNext;

    64 }

    65 

    66 inline CAsynchEvent* CAsynchEvent::Next() const

    67 /** 

    68  * Gets the next event in the chain

    69  *

    70  * @return the next event in the chain

    71  */

    72 {

    73    return iNext;

    74 }

    75 

    76 #endif

    77