--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clfwrapper/ClientSrc/CCLFEngineImpl.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,258 @@
+/*
+* 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: 
+*
+*/
+
+
+#ifndef CCLFENGINEIMPL_H
+#define CCLFENGINEIMPL_H
+
+//  INCLUDES
+#include "MCLFContentListingEngine.h"
+#include "MCLFEventHandlerObserver.h"
+#include "MCLFProcessObserver.h"
+#include "CCLFServerProxy.h"
+#include "MCLFItemProviderObserver.h"
+#include "MCLFChangedItemProvider.h"
+#include <MCLFItem.h>
+#include <badesca.h>
+#include <mdesession.h>
+
+// FORWARD DECLARATIONS
+class CCLFEventHandler;
+class CCLFDbItemContainer;
+class CCLFDbItemProvider;
+class CCLFQueryAdapter;
+class CCLFServerProxy;
+
+// CLASS DECLARATION
+
+/**
+*  Implements MCLFContentListingEngine, MCLFEventHandlerObserver and MCLFItemProviderObserver
+*  interfaces
+*
+*  @lib ContentListingFramework.lib
+*  @since Series 60 3.0
+*/
+NONSHARABLE_CLASS( CCLFEngineImpl ) : public CBase,
+                                      public MCLFContentListingEngine,
+                                      public MCLFEventHandlerObserver,
+                                      public MCLFItemProviderObserver,
+                                      public MMdESessionObserver
+    {
+    private:
+
+        NONSHARABLE_CLASS( CCLFTempModel ) : public CBase,
+                                             public MCLFChangedItemProvider
+            {
+            public: // Constructors and destructor
+
+                /**
+                * Two-phased constructor.
+                */
+                CCLFTempModel();
+
+                 /**
+                * Destructor.
+                */               
+                virtual ~CCLFTempModel();
+
+            public: // New functions
+
+                void AddObserverL( MCLFChangedItemProviderObserver* aObserver );
+
+                void ResetModelArray();
+
+                void NotifyObserverL();
+
+            protected: // Functions from base classes
+
+                /**
+                * From MCLFChangedItemProvider
+                */
+                TBool IsItemsForModel(
+                                const MDesCArray& aMimeTypes,
+                                const TArray<TInt>& aMediaTypes,
+                                const TArray<TCLFItemId>& aModelItemIds );
+
+                /**
+                * From MCLFChangedItemProvider
+                */
+                void RemoveChangedItemProviderObserver(
+                            MCLFChangedItemProviderObserver* aObserver );
+
+            protected: // New functions
+
+                void PrepareModelL();
+
+
+            public: // Data
+            
+                // Own: temp model for changed items
+                RPointerArray<MCLFItem> iItemArray;
+                RArray<TCLFItemId> iChangedItemIdArray;
+
+            private: // Data
+
+                // Ref. observers
+                RPointerArray<MCLFChangedItemProviderObserver>
+                                            iChangedItemProviderObserverArray;
+                CDesCArraySeg iMimeTypeArray;
+                RArray<TInt> iMediaTypeArray;
+
+            };
+
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CCLFEngineImpl* NewLC();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CCLFEngineImpl();
+
+    protected:  // Functions from base classes
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        MCLFItemListModel* CreateListModelLC(
+                                    MCLFOperationObserver& aObserver );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        MCLFItemListModel* CreateListModelLC(
+                                    MCLFOperationObserver& aObserver,
+                                    TResourceReader& aReader );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void UpdateItemsL();
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void UpdateItemsL( const TArray<TCLFItemId>& aItemIDArray );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void AddChangedItemObserverL(
+                                    MCLFChangedItemObserver& aObserver );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void RemoveChangedItemObserver(
+                                    MCLFChangedItemObserver& aObserver );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void UpdateItemsL( TInt aSemanticId, const TDesC8& aOpaqueData );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void AddCLFProcessObserverL(
+                        MCLFProcessObserver& aObserver );
+
+        /**
+        * From MCLFContentListingEngine
+        */
+        void RemoveCLFProcessObserver(
+                        MCLFProcessObserver& aObserver );
+
+        /**
+        * From MCLFEventHandlerObserver
+        */
+        void HandleUpdateEndEventL( TInt aError );
+
+        /**
+        * From MCLFEventHandlerObserver
+        */
+        void HandleUpdateStartEventL( TInt aError );
+
+        /**
+        * From MCLFItemProviderObserver
+        */
+        void OperationCompleteL( TInt aError );
+
+        /**
+         * From MMdESessionObserver
+         */
+        void HandleSessionOpened( CMdESession& aSession, TInt aError );
+
+        /**
+         * From MMdESessionObserver
+         */
+        void HandleSessionError( CMdESession& aSession, TInt aError );
+        
+        
+    private:  // New functions
+
+        void StopEventHandling();
+
+        void NotifyProcessObserversL( TCLFProcessEvent aEvent );
+
+        static void CleanupTempModel( TAny* aObj );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CCLFEngineImpl();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private:    // Data
+        // Own
+        CCLFServerProxy* iCLFServerProxy;
+        // Own
+        CMdESession* iMdESession;
+        // Own
+        TInt iError;
+        // Own
+        CActiveSchedulerWait iActiveSchedulerWait;
+        // Own
+        CCLFEventHandler* iUpdateStartEventHandler;
+        // Own
+        CCLFEventHandler* iUpdateEndEventHandler;
+        // Ref. observers
+        RPointerArray< MCLFChangedItemObserver > iChangedItemObserverArray;
+        // Ref. observers
+        RPointerArray< MCLFProcessObserver > iProcessObserverArray;
+        // Own:
+        CCLFDbItemContainer* iDbItemContainer;
+        // Own. to get changed items
+        CCLFDbItemProvider* iItemProvider;
+        // Own:
+        CCLFTempModel iChangedItemModel;
+        // Own
+        CCLFQueryAdapter* iQueryAdapter;        
+    };
+
+#endif      // CCLFENGINEIMPL_H
+
+// End of File