--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingapp/msgui/appengine/inc/conversationlistchangehandler.h	Tue Aug 31 15:11:31 2010 +0300
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 2008 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:  This Class handles Add, Delete & Modify conversation list client events.
+ *
+ */
+
+#ifndef CONVERSATIONSLIST_CHANGEHANDLER_H
+#define CONVERSATIONSLIST_CHANGEHANDLER_H
+
+// SYSTEM INCLUDE
+#include <mcsconversationlistchangeobserver.h>
+
+// USER INCLUDE
+
+// FORWARD DECLARATIONS
+class ConversationsSummaryModel;
+class ConversationsEnginePrivate;
+
+/**
+ *  This Class handles Add, Delete & Modify conversation list client events.
+ *
+ *  @code
+ *  @endcode
+ *
+ *  @since S60 v10.1
+ */
+class ConversationsListChangeHandler : public CActive,
+        public MCsConversationListChangeObserver
+{
+
+public:
+
+    /**
+     * Default constructor.
+     */
+    explicit ConversationsListChangeHandler(
+        ConversationsEnginePrivate* convEnginePrivate,
+        ConversationsSummaryModel* conversationsSummaryModel);
+
+    /**
+     * Destructor.
+     */
+    ~ConversationsListChangeHandler();
+
+public:
+    // CActive callbacks
+
+    /**
+     * RunL.
+     */
+    void RunL();
+
+    /**
+     * DoCancel.
+     */
+    void DoCancel();
+
+    /**
+     * ConversationList
+     * This is for handling GetEntryList results asynchronusly
+     * from the server.
+     * 
+     * @param aClientConversationList List of client conversations
+     * returned by server.
+     */
+    void ConversationListL(
+        RPointerArray<CCsClientConversation>& aClientConversationList);
+
+public:
+
+    // -------------From MCsConversationListChangeObserver-----------------------
+
+    /**  
+     * AddConversationList
+     * This is for handling new conversation event
+     * asynchronusly from the server 
+     * 
+     * @param aClientConversation client conversation 
+     */
+    void AddConversationList(const CCsClientConversation& aClientConversation);
+
+    /**  
+     * DeleteConversationList
+     * This is for handling delete conversation event
+     * asynchronusly from the server 
+     * 
+     * @param aClientConversation client conversation 
+     */
+    void DeleteConversationList(
+        const CCsClientConversation& aClientConversation);
+
+    /**  
+     * ModifyConversationList
+     * This is for handling modify conversation asynchronusly
+     * from the server 
+     * 
+     * @param aClientConversation client conversation 
+     */
+
+    void ModifyConversationList(
+        const CCsClientConversation& aClientConversation);
+    
+	/**
+	 * PartialDeleteConversationList
+	 * This is for handling the partial delete of conversation event from server
+	 * @param aClientConversation CCsClientConversation& - reference to client conversation
+	 */
+    void PartialDeleteConversationList(
+            const CCsClientConversation& aClientConversation);
+    /**
+     * RefreshConversationList
+     * This is for handling refresh asynchronusly from the server.
+     */
+    void RefreshConversationList();
+
+private:
+
+    /**
+     * IssueRequest
+     * Make the active object alive
+     */
+    void IssueRequest();
+
+    /** 
+     * Handles Conversation List received from server and updates into model
+     */
+    void HandleConversationListL();
+    
+    /**
+     * CompareByConvTimeStamp
+     * Helper method to compare conversations by timestamp
+     * 
+     * @param aObj1  CCsConversation object
+     * @param aObj2  CCsConversation object
+     * @return value based of timestamp comparison
+     */
+    static TInt CompareByConvTimeStamp(const CCsClientConversation& aObj1,
+            const CCsClientConversation& aObj2);
+   
+private:
+    // data
+
+    enum ConvListChangeHandlerStates
+    {
+        EInit = 200, 
+        EInitialCache, 
+        EListenToEvents
+    };
+
+    /**
+     * mCurrentState
+     * Holds Current state
+     */
+    ConvListChangeHandlerStates mCurrentState;
+    
+    /**
+     * First list of conversation List entires updated
+     * Own.
+     */    
+    TBool mFirstWindowCached;
+    
+    /**
+     * Current entry being processed
+     * Own.
+     */       
+    TInt mCurrentIndex;    
+
+    /**
+     * ConversationsSummaryModel object
+     * Not Own.
+     */
+    ConversationsSummaryModel* mConvSummaryModel;
+
+    /**
+     * ConversationsEnginePrivate object
+     * Not Own.
+     */
+    ConversationsEnginePrivate* mConvEnginePrivate;
+
+    /**
+     * List of CCsClientConversation entries
+     * Own.
+     */    
+    RPointerArray<CCsClientConversation> mClientConversationList;
+
+};
+
+#endif // CONVERSATIONSLIST_CHANGEHANDLER_H
+// EOF