diff -r 000000000000 -r ff3b6d0fd310 networkhandling/networkhandlingengine/NetworkHandlingGsmInc/CNWNetworkHZCbCacheHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkhandling/networkhandlingengine/NetworkHandlingGsmInc/CNWNetworkHZCbCacheHandler.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,238 @@
+/*
+* Copyright (c) 2002-2009 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:  This file contains the header file of the CNWNetworkViagCbEngine class.
+*
+*/
+
+
+
+#ifndef CNWNETWORKHZCACHEHANDLER_H
+#define CNWNETWORKHZCACHEHANDLER_H
+
+//  INCLUDES
+#include <rmmcustomapi.h>
+#include <e32property.h>
+#include "CNWNetworkViagTimer.h"
+#include "MHZCachesInitialisationObserver.h"
+#include "MNWNetworkEFReaderObserver.h"
+#include "CNWNetworkEFReader.h"
+
+// CONSTANTS
+
+// DATA TYPES
+enum THomeZoneCacheId
+    {
+    EHZ_HomeZoneCache1 = 1,
+    EHZ_HomeZoneCache2 = 2,
+    EHZ_HomeZoneCache3 = 3,
+    EHZ_CityZoneCache = 4,
+    EHZ_AllCaches = 100
+    };    
+
+enum TInitializingStatus
+    {
+    ECBSHZCacheReader_NotInitialised = 0,
+    ECBSHZCacheReader_Initialising_Cache_HZ1,
+    ECBSHZCacheReader_Ready = 100
+    };
+    
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+class MNWNetworkEFReaderObserver;
+/**
+*  Handles HomeZone cache reading, searching and updating
+*  
+*
+*  @lib networkhandling.lib
+*  @since Series 60_3.0
+*/
+NONSHARABLE_CLASS( CNWNetworkHZCbCacheHandler ) : public CBase, 
+    public MNWNetworkEFReaderObserver
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        */
+        static CNWNetworkHZCbCacheHandler* NewL( RMmCustomAPI& aCustomAPI );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CNWNetworkHZCbCacheHandler( );
+
+    public:
+
+        /**
+        *   This function is called for finding an item from cache.
+        *
+        *   @param  aCacheId            Source cache
+        *   @return                     Result code. Index inside the cache. 
+        *                               KErrNotFound if match didn't happen
+        */
+        TInt Find( THomeZoneCacheId aCacheId, 
+            RMmCustomAPI::TViagCacheRecordContent aRecord );
+
+        /**
+        *   This function is called when adding an item in cache.
+        *
+        *   @param  aCache              Target cache
+        *   @param  aRecord             A record to be added
+        *   @return                     Result code.
+        */
+        TInt Insert( const THomeZoneCacheId aCacheId,
+            const RMmCustomAPI::TViagCacheRecordContent aRecord );
+             
+        /**
+        *   This function is called for removing an item from cache.
+        *
+        *   @param  aRecord               Target cache
+        *   @param  aCacheId              A record to be removed
+        *   @return                       Result code.
+        */
+        TInt Remove( const THomeZoneCacheId aCacheId, const TInt aIndex );
+     
+        /**
+        *   This function is called for clearing a cache,
+        *
+        *   @param  aRecord               Target cache
+        *   @return                       Result code.
+        */
+        TInt Clear( const THomeZoneCacheId aCacheId );
+
+        /**
+        *   This function is called for refreshing local cache from SIM data
+        *
+        *   @return                       None
+        */
+        void InitialiseHomeZoneCachesAsync( 
+            MHZCachesInitialisationObserver * aObserver );
+        
+        /**
+        *   This function is called for getting object internal status
+        *
+        *   @param  aStatus               New status
+        *   @return                       Objects current status
+        */
+        TInitializingStatus InitialisingStatus( ) const;
+
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CNWNetworkHZCbCacheHandler( RMmCustomAPI& aCustomAPI );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL( );
+        
+        /**
+        *   This function is called internally form reading HZ cache items 
+        *   from SIM to an array.
+        *
+        *   @param  aDestArray            Items to be insereted
+        *   @param  aCacheId              Source cache.
+        *   @param  aNumberofItems        The amount of items to be read.
+        *   @return                       Result code.
+        */
+        TInt ReadCacheFromSIM( 
+            RArray<RMmCustomAPI::TViagCacheRecordContent> & aDestArray,
+            const THomeZoneCacheId aCacheId, const TInt aNumberofItems );
+
+        /**
+        *   This function is called internally to get a pointer in local 
+        *   caches.
+        *
+        *   @param  THomeZoneCacheId      Souce cache.
+        *   @return                       Cache pointer.
+        */
+        RArray<RMmCustomAPI::TViagCacheRecordContent> * Cache( 
+            const THomeZoneCacheId aCacheId );
+
+        /**
+        *   This function is called internally when adding a HomeZone
+        *   cache item in cache.
+        *
+        *   @param  aRecord               A record to be added.
+        *   @param  aCacheId              Target cacge.
+        *   @return                       Result code.
+        */
+        TInt DoInsertInHomeZoneCache( 
+            const RMmCustomAPI::TViagCacheRecordContent aRecord,
+            const THomeZoneCacheId aCacheId );
+
+        /**
+        *   This function is called  internally when adding a CityZone
+        *   cache item in cache.
+        *
+        *   @param  aRecord               A Record to be added
+        *   @return                       Result code.
+        */
+        TInt DoInsertInCityZoneCache( 
+            const RMmCustomAPI::TViagCacheRecordContent aRecord );
+            
+        /**
+        *   This function is called  internally for find empty slot
+        *   from a cache,
+        *
+        *   @param  aCacheId              Source cache
+        *   @return                       Result code.
+        */
+        TInt FindNullEntry( const THomeZoneCacheId aCacheId );
+
+        /**
+        *   This function is called for setting object internal status
+        *
+        *   @param  aStatus               New status
+        *   @return                       None
+        */
+        void SetInitialisingStatus( 
+            const TInitializingStatus aStatus );
+
+        
+    public: // From MNWNetworkEFReaderObserver
+       
+        /**
+        *   This function is called when Cache is ready for reading.
+        *
+        *   @return                       None
+        *
+        */            
+        void ReadCbCacheSync( TInt aStatus );
+            
+        
+     private:
+        // Custom API for SIM activities.
+        RMmCustomAPI& iCustomAPI;   // Uses only
+        
+        // Caches
+        RArray<RMmCustomAPI::TViagCacheRecordContent> iSimCache1;
+        RArray<RMmCustomAPI::TViagCacheRecordContent> iSimCache2;
+        RArray<RMmCustomAPI::TViagCacheRecordContent> iSimCache3;
+        RArray<RMmCustomAPI::TViagCacheRecordContent> iDynCache;
+        // Internal status
+        TInitializingStatus    iInitialisingStatus;
+        // Observer to notify
+        MHZCachesInitialisationObserver * iObserver;
+        // Cache Reader
+        CNWNetworkEFReader *   iSimCacheMonitor;
+    };
+
+#endif      // CNWNETWORKHZCACHEHANDLER_H
+            
+// End of File