diff -r 6369bfd1b60d -r 08b5eae9f9ff upnpsharing/upnpsharingalgorithm/inc/upnpsharingalgorithmimpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpsharing/upnpsharingalgorithm/inc/upnpsharingalgorithmimpl.h	Wed Nov 03 11:45:09 2010 +0200
@@ -0,0 +1,231 @@
+/*
+* Copyright (c) 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:  Header file for the CUPnPSharingAlgorithm class.
+*
+*/
+
+#ifndef C_UPNP_SHARING_ALGORITHM_IMPL_H
+#define C_UPNP_SHARING_ALGORITHM_IMPL_H
+
+//  INCLUDES
+#include <upnpmediaserverclient.h>
+#include "upnpsharingalgorithm.h"
+
+// FORWARD DECLARATIONS
+class CUpnpContainer;
+class CUpnpItem;
+class CUpnpSharingAO;
+class CUpnpCdsLiteObjectArray;
+class CUpnpCdsLiteObject;
+class CUpnpContainerResolver;
+
+// CLASS DECLARATION
+
+/**
+*  CUPnPSharingAlgorithm class definition
+*
+*  @lib upnpsharingalgorithm.lib
+*  @since S60 5.2
+*/
+NONSHARABLE_CLASS( CUpnpSharingAlgorithmImpl )
+                    : public CBase,
+                      MUpnpSharingAlgorithm
+    {
+
+    public: // Constructors and destructor
+
+        /**
+         * Two-phased constructor.
+         */
+        static CUpnpSharingAlgorithmImpl* NewL();
+
+        /**
+         * Two-phased constructor.
+         */
+        static CUpnpSharingAlgorithmImpl* NewLC();
+
+        /**
+         * Destructor.
+         */
+        virtual ~CUpnpSharingAlgorithmImpl();
+
+    public:
+
+        /**
+         * Check if item is shared based on item filename
+         *
+         * @since S60 5.2
+         * @param aFileName, file to be checked
+         * @return TBool, ETrue if item is shared, EFalse otherwise
+         */
+        IMPORT_C TBool IsFileSharedL( const TFileName &aFileName );
+
+    public:
+
+    // From base class MUpnpSharingAlgorithm
+
+        /**
+         * From MUpnpSharingAlgorithm
+         * See base class definition
+         */
+        void ShareFileL( const TFileName &aFileName );
+
+        /**
+         * From MUpnpSharingAlgorithm
+         * See base class definition
+         */
+        void UnshareFileL( const TFileName &aFileName );
+
+        /**
+         * From MUpnpSharingAlgorithm
+         * See base class definition
+         */
+        CUpnpCdsLiteObjectArray& ReadSharedContent( );
+
+        /**
+        * From MUpnpSharingAlgorithm
+        * See base class definition
+        */
+        void Close();
+
+    private: // Private business logic methods
+
+        /**
+         * Checks if file exists
+         * Leaves with KErrArgument if file not exist
+         *
+         * @since S60 5.2
+         * @param aFileName, filename with path
+         */
+        void CheckFileExistenceL( const TFileName& aFileName );
+
+        /**
+         * Checks if there are empty containers in the tree and
+         * unshares them
+         * Leaves with symbian error codes in error cases
+         *
+         * @since S60 5.2
+         * @param aParentId, parent container id where item locates
+         * @return TBool, ETrue if container is unshared, EFalse otherwise
+         */
+        TBool UnshareEmptyContainersL( TDesC8& aParentId );
+
+        /**
+         * Shares containers based on item metadata
+         * Leaves with Symbian error codes if error
+         *
+         * @since S60 5.2
+         * @param aContainerArray, container structure for item
+         */
+        void ShareContainersL(
+                    RPointerArray<CUpnpContainer>& aContainerArray );
+
+        /**
+         * Unshares objects and removes from cdsliteobjectarray
+         * Leaves with Symbian error codes if error
+         *
+         * @since S60 5.2
+         * @param aContainerArray, container structure
+         */
+        void RemoveSharedObjectsL(
+                    RPointerArray<CUpnpContainer>& aContainerArray );
+
+        /**
+         * Shares reference items with containers
+         * Leaves with Symbian error codes if error
+         *
+         * @since S60 5.2
+         * @param aItem, item to be shared
+         */
+        void ShareReferenceObjectsL( CUpnpItem* aItem );
+
+        /**
+         * Shares reference item with container
+         * Leaves with Symbian error codes if error
+         *
+         * @since S60 5.2
+         * @param aContainerArray, reference container array
+         * @param aOriginalObject, original item
+         * @param aItem, reference item to be shared. Item gets data on
+         *               sharing based on original item data
+         */
+        void ShareReferenceObjectL(
+                            RPointerArray<CUpnpContainer>& aContainerArray,
+                            CUpnpCdsLiteObject& aOriginalObject,
+                            CUpnpItem& aItem );
+
+        /**
+         * Finds original object's reference objects and ushares them.
+         * Leaves with Symbian error codes if error
+         *
+         * @since S60 5.2
+         * @param aOriginalObject, original cds object
+         */
+        void UnshareReferenceObjectsL( CUpnpCdsLiteObject& aOriginalObject );
+
+        /**
+         * Starts server offline mode if not started yet
+         *
+         * @since S60 5.2
+         */
+        void StartServer();
+
+        /**
+         * Checks if file is protected
+         * Leaves with KErrAccessDenied if file is protected
+         *
+         * @since S60 5.2
+         * @param aFileName, filename with path
+         */
+        void CheckFileProtectionL( const TFileName& aFileName );
+        
+    private: // Second-phase contstruction
+
+        /**
+         * Default c++ constructor
+         */
+        CUpnpSharingAlgorithmImpl() {};
+
+        /**
+         * Second-phase constructor.
+         */
+        void ConstructL();
+
+    private: // Data members
+
+        /**
+         * Asyncronous file sharing handler. Owned
+         */
+        CUpnpSharingAO*                         iSharingAO;
+
+        /**
+         * Shared content array. Owned.
+         */
+        CUpnpCdsLiteObjectArray*                iSharedContentArray;
+
+        /**
+         * Media server session handle. Owned
+         */
+        RUpnpMediaServerClient                  iMediaServer;
+
+        /**
+         * Container structure resolver. Owned
+         */
+        CUpnpContainerResolver*                 iContainerResolver;
+
+    };
+
+#endif // C_UPNP_SHARING_ALGORITHM_IMPL_H
+
+// End of file