--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imservices/instantmessagingcache/imcacheclient/inc/cimcacheclient.h	Thu Dec 17 08:54:49 2009 +0200
@@ -0,0 +1,218 @@
+/*
+* 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:  client class to connect to server
+*
+*/
+
+
+
+#ifndef __CIMCACHECLIENT_H__
+#define __CIMCACHECLIENT_H__
+
+#include <e32base.h>
+#include <imcachedefs.h>
+#include "mimcacheclient.h"
+
+class MIMCacheEventHandler;
+class CIMCacheEventHandler;
+class MIMCacheEventHandler;
+class CIMCacheAccessEventHandler;
+/**
+ * CIMCacheClient ClientServer 
+  */
+class CIMCacheClient : public CBase,
+					   public RSessionBase,
+					   public MIMCacheClient
+    {
+    
+    public:     // Constructor and destructor
+    	/*
+    	* CIMCacheClient
+       	*/
+         CIMCacheClient();
+        
+        /*
+    	* ~CIMCacheClient
+       	*/
+        ~CIMCacheClient();
+
+
+    public:     // New methods
+
+		/**
+    	* Connect
+       	*/
+        TInt Connect();      
+       
+       	/**
+    	* Register to observer converstaionitems data updates
+    	* @param aObserver the observer interface
+    	*/
+        void RegisterUpdateObserverL( MIMCacheEventHandler& aObserver );
+
+    	/**
+    	* Unregister a converstaionitems data update observer
+    	* @param aObserver the observer interface
+    	*/
+        void UnRegisterUpdateObserver( MIMCacheEventHandler& aObserver );
+		/**
+    	* Register to observer converstaionitems data access
+    	* @param aObserver the observer interface
+    	*/
+        void RegisterAccessObserverL( MIMCacheEventHandler& aObserver );
+
+    	/**
+    	* Unregister a converstaionitems data access observer
+    	* @param aObserver the observer interface
+    	*/
+        void UnRegisterAccessObserver( MIMCacheEventHandler& aObserver);
+
+		/**
+    	* start the transaction and perform the operation
+    	* @param aOperationType , operation to perform
+    	*/
+        TInt StartTransactionL( EIMCacheOperations aOperationType );
+        
+		/**
+    	* start the transaction and perform the operation 
+    	* @param aText ,text to send to server
+		* @param aOperationType operation to perform
+    	*/
+		void StartTransactionL( EIMCacheOperations aOperationType,
+								const TDesC& aText
+								) ;
+									   
+		/**
+    	* start the transaction and perform the operation 
+    	* @param aServiceId service id to use
+		* @param aUserId user id to use
+		* @param aOperationType operation to perform
+    	*/
+		void StartTransactionL(	EIMCacheOperations aOperationType ,
+								TInt aServiceId,
+								const TDesC& aText
+								);
+        
+       	/**
+    	* start the transaction and perform the operation 
+    	* @param aServiceId service id to use
+		* @param aSender user id to use
+		* @param aRecipient,recipient user id
+		* @param aOperationType operation to perform
+    	*/						
+		void StartTransactionL( EIMCacheOperations aOperationType,
+								TInt aServiceId,
+								const TDesC& aText1 ,
+						   	  	const TDesC& aText2
+						   		) ;
+									   		
+		 
+		/**
+    	* to get the all unread message count from server
+    	* @param , aOwnUserId logged in user id
+    	* @return number of unread msg count
+    	*/
+		TInt GetInformationL(EIMCacheOperations aOperationType , TInt aServiceId,const TDesC& aBuddyId );
+		
+	   /**
+    	* to get the count from server
+        * @param aOperationType operation to perform
+    	* @param aServiceId, service id used
+    	* @param , aOwnUserId logged in user id
+    	* @return number of all unread msg count
+    	*/
+        TInt GetInformationL(EIMCacheOperations aOperationType, TInt aServiceId );	
+      
+		
+		/**
+    	* to get the list of availabe chats from server
+       	* @param aServiceId, service id used
+       	* @return list buffer
+    	*/
+	    TPtr8 GetChatListL( const TInt& aServiceId = -1);
+									   										   		
+private: 
+		
+		/**
+    	* CreateArgumentsL pack the given parameters 
+    	* @param aServiceId service id to use
+		* @param aUserId user id to use
+		* @param aText,a text to send 
+		* @return TIpcArgs, packed arguments
+	   	*/									   		
+		TIpcArgs CreateArgumentsL( TInt aServiceId, const TDesC& aText1  ,
+									   const TDesC& aText2  );
+									   
+	   	/**
+    	* CreateArgumentsL pack the given parameters  
+    	* @param aServiceId service id to use
+		* @param aUserId user id to use
+		* @return TIpcArgs, packed arguments
+    	*/	
+        TIpcArgs CreateArgumentsL( TInt aServiceId ,
+								  const TDesC& aText  );
+		
+
+
+
+public: // MIMCacheClient
+
+		/**
+    	* Registeres the cache update observer to server
+    	* @param aStatus status message to regisetr
+		* @param aRight,right is operations
+    	*/
+        void RegisterObserverToServerL( TRequestStatus& aStatus,EIMCacheOperations aRight ) ;
+        
+       
+        /**
+    	* unRegisteres the cache update  observer to server
+    	* @param aStatus status message to regisetr
+		* @param aRight,right is operations
+    	*/
+        void UnRegisterObserverToServerL(  TRequestStatus& aStatus, EIMCacheOperations aRight ) ;
+        
+        /**
+         * cancels any outstanding requests pending from the server
+         * @param aStatus status message to regisetr
+         * @param aRight,right is operations
+         */
+        void CancelRequestL( TRequestStatus& aStatus, EIMCacheOperations aRight);
+         
+        /**
+        * Gets called when data update is available.
+        * Client can then decide wether to use the old one
+        * @param aRight, operations
+        * @param abuuferptr 
+        */
+        TPtr8 GetBufferedDataL(EIMCacheOperations aOperationType );
+       
+	private:
+		
+		 // owned , a array for all client who has 
+		 // register update data change event 
+		 CIMCacheEventHandler* iUpdateObserver;
+		 // owned , a array for all client who has 
+		 // register update data change event 
+		 CIMCacheAccessEventHandler* iAccessObserver;
+		 //owned buffer to get chats from server.
+		 HBufC8* iChatBuffer;
+		
+    };
+
+#endif      //  __CIMCACHECLIENT_H__
+
+
+//  END OF FILE
+