1 /*

     2 * Copyright (c) 2007-2008 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:  messge observer interface 

    15 *

    16 */

    17 

    18 

    19 #ifndef __MIMCVENGINEMESSAGEOBSERVER_H__

    20 #define __MIMCVENGINEMESSAGEOBSERVER_H__

    21 

    22 //  INCLUDES

    23 #include <e32def.h>

    24 

    25 //	FORWARD CLASS DECLERATIONS

    26 

    27 // CLASS DECLARATION

    28 

    29 /**

    30  *  Observer interface to handle message container changes.

    31  *

    32  *  @lib imcvengine.dll

    33  *  @since 5.0

    34  */

    35 class MIMCVEngineMessageObserver

    36 	{

    37 

    38 	public: // Definitions

    39 

    40 		/**

    41 		 * Events for observer to handle.

    42 		 */

    43 		enum TMessageEventType

    44 			{

    45 			ENewMessage,

    46 			EMessageChanged,

    47 			EMessageDeleted,

    48 			EChatDeleted

    49 			};

    50 

    51 	public: // Interface

    52 

    53 		/**

    54 		 * Handle events.

    55 		 * @param aEvent Event to handle.

    56 		 * @param aIndex, Index of message which is affected by event.

    57 		 */

    58 		virtual void HandleMessageEvent( TMessageEventType aEvent, TInt aIndex = -1 ) = 0;

    59 		

    60 		

    61 	

    62 	protected: // For protection.

    63 

    64 		/**

    65 		 * Destructor for protection

    66 		 */

    67 		virtual ~MIMCVEngineMessageObserver(){}

    68 	};

    69 

    70 #endif      // __MIMCVENGINEMESSAGEOBSERVER_H__

    71 

    72 // End of File