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:  chat observer interface

    15 *

    16 */

    17 

    18 

    19 #ifndef __MIMCVENGINECHATOBSERVER_H__

    20 #define __MIMCVENGINECHATOBSERVER_H__

    21 

    22 //  INCLUDES

    23 #include <e32def.h>

    24 

    25 //	FORWARD CLASS DECLERATIONS

    26 class MIMCVEngineMessage;

    27 

    28 // CLASS DECLARATION

    29 

    30 /**

    31  *  Observer interface to handle messages container changes.

    32  *

    33  *  @lib imcvengine.dll

    34  *  @since 5.0

    35  */

    36 class MIMCVEngineNewMsgObserver

    37 	{

    38 

    39 	public: // Definitions

    40 

    41 		/**

    42 		 * Events for observer to handle.

    43 		 */

    44 		enum TChatEventType

    45 			{			

    46 			EUnreadCountChanged, // Happens with new message and when messages are read.

    47 			EMemoryLow,

    48             EEventNotSpecified

    49 			};

    50 

    51 	public: // Interface

    52 

    53 		/**

    54 		 * Handle events.

    55 		 * @param aEvent Event to handle.

    56 		 * @param aMessage, Event occurred because of message

    57 		 */

    58 		virtual void HandleChatEventL( TChatEventType aEvent, MIMCVEngineMessage* aMessage = NULL ) = 0;

    59 

    60 	protected: // For protection.

    61 

    62 		/**

    63 		 * Destructor

    64 		 */

    65 		virtual ~MIMCVEngineNewMsgObserver(){}

    66 	};

    67 

    68 #endif      // __MIMCVENGINECHATOBSERVER_H__

    69 

    70 // End of File