diff -r a32b19fb291e -r 5b14749788d7 messagingapp/msgui/appengine/inc/conversationsengine.h
--- a/messagingapp/msgui/appengine/inc/conversationsengine.h	Thu Jun 17 09:57:06 2010 +0100
+++ b/messagingapp/msgui/appengine/inc/conversationsengine.h	Thu Jul 22 16:32:06 2010 +0100
@@ -161,11 +161,23 @@
     void emitConversationModelUpdated();
     
     /**
+     * Updates the new conversation id for list view
+     */
+    void emitOpenConversationViewIdUpdate(int newConversationId);
+    
+    void disableRegisterationForCVEvents();
+    
+    /**
      * Emits conversationListModelPopulated signal
      */ 
     void emitConversationListModelPopulated();
 
     /**
+     * Emits conversationListModelEntryDeleted
+     */
+    void emitConversationListModelEntryDeleted( int conversationId );
+    
+    /**
      *  Starts fetching remaing conversations
      */
     void fetchMoreConversations();
@@ -210,6 +222,12 @@
      */
     RSqlDatabase& getDBHandle(TBool& isOpen);
     
+    /**
+     * Get the biotype of a message
+     * @param messageId
+     */
+    int getMsgSubType(int messageId);
+    
 private:
 
     /**
@@ -237,6 +255,17 @@
      */
     void conversationListModelPopulated();
     
+	/** 
+	 * Signal to indicate the completion of conversation delete
+	 * operation.
+	 */
+     void conversationListEntryDeleted( int conversationId );
+	 
+    /**
+     * Signal to specify the CV model empty now
+     */
+    void conversationViewEmpty();
+    
 private:
 
     /**