--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imstutils/imconversationview/imcvuiengine/inc/mimcvengineopenchats.h	Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Open Conversations
+*
+*/
+
+
+
+#ifndef MIMCVENGINEOPENCHATS_H_H
+#define MIMCVENGINEOPENCHATS_H_H
+
+
+//forward declarations
+
+
+enum TOpenChatsEventType
+    {
+   	EUnReadCountChanged,
+   	ENewChat,
+   	EChatClosed,
+   	EChatAllClosed,
+   	EReadCountChanged  
+    };
+     
+
+//Observer Class
+class MIMCVEngineOpenChatsObserver 
+	{
+	public:
+		
+		/**
+		 * Handle Chnage events for Open Conversations
+		 * @param aIndex Index of the Item Change.
+		 * @param aChangeType, Change Type listed above 
+		 */
+		virtual void HandleChangeL(TInt aServiceId, TInt aIndex, TOpenChatsEventType aChangeType) = 0;
+		
+      	/*set the status msg.When uses is in conversation one user and receive
+      	*msg from some other user.
+      	*@param aIndex Index of the Item which sent message.
+		*/
+      	virtual void SetStatusMsgL(TInt aServiceId, TInt aIndex,const TDesC & aMsg)= 0;
+      	
+		/**
+        * Virtual destructor
+        */      		
+		virtual ~MIMCVEngineOpenChatsObserver() 
+		{
+			
+		};
+	};
+
+
+
+// CLASS DECLARATION
+
+/**
+ *  Interface for Open Conversations
+ *
+ *  @lib imcvuiengine.dll
+ *  @since 5.0
+ */
+class MIMCVEngineOpenChats 
+    {    
+    
+    public:           
+       
+	   /**
+        * GetDisplayNameL: returns the Identification       
+        * @param aIndex - Index of the item for which Identification 
+        *                 is required
+        * @return TPtrC - Identification
+        */
+		virtual TPtrC GetDisplayNameL(TInt aIndex) const = 0;
+
+
+	   /**
+        * GetTargetIdL: returns the Conversation Party ID      
+        * @param aIndex - Index of the item 
+        * @return Conversation Party ID
+        */
+		virtual const TDesC& GetTargetIdL(TInt aIndex) const = 0;
+	   
+	   
+	   /**
+        * Count: Returns the number of items              
+        * @return TInt - Total number of openchats item
+        */
+		virtual TInt Count() const = 0;
+		
+		
+	   /**
+        * SetActiveItemL: Sets the item as the current active one       
+        * @param aIndex - Index of the item
+        * @return void
+        */		
+		virtual void SetActiveItemL( const TInt aIndex ) = 0;
+		
+		
+		/**
+        * GetActiveItem: Gets the current active conversation        
+        * @return Active Conversation Party Id
+        */
+		virtual const TDesC& GetActiveItem() const = 0;
+		
+		/**
+	    * Returns the pending messages status of the contact item 
+	    * @param aIndex - Index of the item
+	    * @return bool: true if the conversation item has pending messages
+	    * else return false
+	    */	    
+	    virtual TBool IsMsgPendingL( const TInt aIndex ) const = 0;
+	   
+	   	/**
+	    * Find the index of the item in the Conversation List 
+	    * @param aItem - Conversation Party Id	    
+	    * @return aIndex - Index of the item	    
+	    */
+	    virtual TInt FindIndexL(const TDesC& aItem) = 0;
+	    
+	    /**
+		 * Register observer for chat events. Remember to unregister 
+		 * when not needed
+		 * @param aObserver Observer which is registered.		 
+		 */
+	    virtual void RegisterObserver(MIMCVEngineOpenChatsObserver* aChatObserver) = 0;
+	    
+	    
+	    /**
+		 * Unregister observer for chat events.		 
+		 *
+		 */		 
+	    virtual void UnRegisterObserver() = 0;
+	    
+	    virtual void ResetL() = 0;
+      	
+      	
+	   /**
+        * Virtual destructor
+        */      		
+		virtual ~MIMCVEngineOpenChats() 
+		{			
+		};
+
+		
+    };
+
+#endif      // MIMCVENGINEOPENCHATS_H_H
+
+// End of File