clfwrapper/ClientSrc/CCLFDbItemProvider.h
changeset 0 c53acadfccc6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/clfwrapper/ClientSrc/CCLFDbItemProvider.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* 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 CCLFDBITEMPROVIDER_H
+#define CCLFDBITEMPROVIDER_H
+
+//  INCLUDES
+#include <CLFContentListing.hrh>
+#include <CLFContentListing.h>
+#include <mdesession.h>
+#include <bamdesca.h>
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class MCLFItem;
+class MCLFItemProviderObserver;
+class CCLFDbItemContainer;
+class CCLFContainerItem;
+class CCLFQueryAdapter;
+
+// CLASS DECLARATION
+
+/**
+*  Helper class to get items from CLF server.
+*
+*  @lib ContentListingFramework.lib
+*  @since Series 60 3.0
+*/
+NONSHARABLE_CLASS( CCLFDbItemProvider ) : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CCLFDbItemProvider* NewL( CCLFDbItemContainer& aDbItemContainer,
+                                         CCLFQueryAdapter& aQueryAdapter, CMdESession* iMdESession );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CCLFDbItemProvider();
+
+    public: // New functions
+
+        /**
+        * Async function for fething items from server.
+        * @since Series 60 3.0
+        * @param aMimeTypeArray
+        * @param aMediaTypeArray
+        * @param aObserver item provider observer
+        */
+        void PrepareItemsL( const MDesCArray& aMimeTypeArray,
+                            const TArray<TInt>& aMediaTypeArray,
+                            MCLFItemProviderObserver& aObserver );
+
+        void PrepareItemsL( const TArray<TCLFItemId>& aItemIDArray,
+                            MCLFItemProviderObserver& aObserver );
+
+        /**
+        * Get items.
+        * @since Series 60 3.0
+        * @param aItemArray
+        * @return system-wide error code
+        */
+        TInt GetItems( RPointerArray<MCLFItem>& aItemArray );
+
+    protected:  // New functions
+
+        /**
+        * From CActive
+        */
+        void DoRunL();
+
+        /**
+        * From CActive
+        */
+        TInt RunError( TInt aError );
+
+        void DoFetchMdSIdDataCachedL();
+        void DoFetchMdSDataL();
+        void DoFetchMdSIdDataL( RArray< TCLFItemId >& aItemIDArray );
+        void CreateCLFItemL( CCLFContainerItem& aCItem );
+    protected:  // Functions from base classes
+
+        /**
+        * From CActive
+        */
+        void DoCancel();
+
+        /**
+        * From CActive
+        */
+        void RunL();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CCLFDbItemProvider( CCLFDbItemContainer& aDbItemContainer,
+                                   CCLFQueryAdapter& aQueryAdapter, CMdESession* aMdESession );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    private:    // Data
+
+        enum TCLFItemProviderState
+            {
+            EPrepareItemIds = 0x1,
+            EPrepareItems,
+            EItemsReady
+            };
+
+        // Own
+        TCLFItemProviderState iProviderState;
+        // Ref
+        MCLFItemProviderObserver* iObserver;
+        // Own
+        RPointerArray< MCLFItem > iItemArray;
+        // Ref
+        CCLFDbItemContainer& iDbItemContainer;
+        // Ref
+        CCLFQueryAdapter& iQueryAdapter;        
+        // Own
+        CMdEObjectQuery* iObjectQuery;
+        // Ref
+        const TDesC* iObjDefStr;
+        // Ref
+        CMdESession* iMdESession;
+    };
+
+#endif      // CCLFDBITEMPROVIDER_H
+
+// End of File