1 /*

     2 * Copyright (c) 2009 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:  Definition of the class MESMRFieldEventNotifier

    15 *

    16 */

    17 

    18 #ifndef MESMRFIELDEVENTNOTIFIER_H

    19 #define MESMRFIELDEVENTNOTIFIER_H

    20 

    21 

    22 #include <e32std.h>

    23 

    24 class MESMRFieldEventQueue;

    25 class MESMRFieldEventObserver;

    26 

    27 /**

    28  *  MESMRFieldEventObserver defines an interface for observing events

    29  *  from fields.

    30  *

    31  *  @lib esmrfieldbuildercommon.lib

    32  */

    33 class MESMRFieldEventNotifier

    34     {

    35 

    36 public:

    37 

    38     /**

    39      * Sets event queue to use by this notifier

    40      *

    41      * @param aEvent the event from field

    42      */

    43     virtual void SetEventQueueL( MESMRFieldEventQueue* aEventQueue ) = 0;

    44     

    45     /**

    46      * Gets the observer interface of the notifier or NULL.

    47      */

    48     virtual MESMRFieldEventObserver* EventObserver() const = 0;

    49 

    50 protected:

    51 

    52     virtual ~MESMRFieldEventNotifier() {}

    53 

    54     };

    55 

    56 

    57 #endif // MESMRFIELDEVENTNOTIFIER_H