diff -r 6369bfd1b60d -r 08b5eae9f9ff upnpsharing/upnpsharingalgorithm/inc/upnpsharingalgorithm.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpsharing/upnpsharingalgorithm/inc/upnpsharingalgorithm.h	Wed Nov 03 11:45:09 2010 +0200
@@ -0,0 +1,89 @@
+/*
+* 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:  upnpsharingalgorithm interface
+*
+*/
+
+#ifndef M_UPNP_SHARING_ALGORITHM_H
+#define M_UPNP_SHARING_ALGORITHM_H
+
+//  INCLUDES
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class CUpnpCdsLiteObjectArray;
+
+/**
+ *  Defines the upnp sharing algorithm interface
+ *
+ *  @lib upnpsharingalgorithm.lib
+ *  @since S60 5.2
+ */
+class MUpnpSharingAlgorithm
+    {
+
+public:
+
+    /**
+     * Shares the given file using the local M-DMS. Does not share the same
+     * file twice. Checks the validity of the parameter, existance of the
+     * file and drm protection. Leaves with KErrArgument if the given 
+     * parameter is invalid or if the file does not exist. Leaves with 
+     * KErrAccessDenied if the file is drm protected. Leaves normally if 
+     * out-of-memory.
+     *
+     * @since S60 5.2
+     * @param aFileName, file to be shared
+     */
+    virtual void ShareFileL( const TFileName &aFileName ) = 0;
+
+    /**
+     * Unshares the given file using the local M-DMS. Does not do anything if
+     * the file is not shared. Leaves with KErrCorrupt if the component's
+     * internal object array is corrupted. Leaves normally if out-of-memory.
+     *
+     * @since S60 5.2
+     * @param aFileName, file to be unshared
+     */
+    virtual void UnshareFileL( const TFileName &aFileName ) = 0;
+
+    /**
+     * Reads the shared content from UPnPSharingalgoritm
+     *
+     * @since S60 5.2
+     * @return a reference to the shared content array in UPnPSharingalgoritm.
+     */
+    virtual CUpnpCdsLiteObjectArray& ReadSharedContent() = 0;
+
+    /**
+     * Deletes the object and frees its resources.
+     *
+     * @since S60 5.2
+     */
+    virtual void Close() = 0;
+
+    /**
+     * 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
+     */
+    virtual TBool IsFileSharedL( const TFileName &aFileName ) = 0;
+    };
+
+#endif /* M_UPNP_SHARING_ALGORITHM_H */
+
+//  End of File
+