diff -r 000000000000 -r ba25891c3a9e ncdengine/provider/storage/inc/ncdfilestorage.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/storage/inc/ncdfilestorage.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,88 @@
+/*
+* Copyright (c) 2006 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 M_NCDFILESTORAGE_H
+#define M_NCDFILESTORAGE_H
+
+class RFs;
+
+/**
+ *  File storage interface
+ *
+ *  ?more_complete_description
+ */
+class MNcdFileStorage
+    {
+public:
+
+    /**
+     * Adds a file to the file storage
+     *
+     * @param aFilepath Path to the file
+     * @param aOverwrite If true, an already existing file is overwritten. 
+     * If false, leaves with KErrAlreadyExists
+     * @throw KErrAlreadyExists if the file was already in the storage and
+     * overwrite-flag was false
+     * @throw KErrBadName if the given filepath was invalid
+     * @note Moves the file to the storage dir
+     */
+    virtual void AddFileL( const TDesC& aFilepath, 
+        TBool aOverwrite = EFalse ) = 0;
+     
+    /**
+     * Removes the file from the storage
+     *
+     * @param aFilename Filename (without any path information)
+     * @throw KErrNotFound if the file doesn't exist in the storage
+     * @throw KErrBadName if the given filename was empty
+     */     
+    virtual void RemoveFileL( const TDesC& aFilename ) = 0;
+
+
+    /**
+     * Opens the file from the storage with the given file server session
+     *
+     * @param aFilename Filename
+     * @param aFileMode File mode. See TFileMode in S60 documentation
+     * @return A handle to the opened file
+     * @throw KErrNotFound if the file doesn't exist in the storage
+     * @throw KErrBadName if the filename was empty
+     * @throw Error code returned by RFile::Open()
+     * @note This should be used if the file is supposed to be shared
+     * with the client.
+     */     
+    virtual RFile OpenFileL( RFs& aFs, const TDesC& aFilename, 
+        TUint aFileMode ) = 0;
+
+
+    /**
+     * Storage UID getter
+     *
+     * @return Storage UID
+     */
+    virtual const TDesC& Uid() const = 0;
+
+protected:
+
+    virtual ~MNcdFileStorage()
+        {
+        }
+    };
+
+
+#endif // M_NCDFILESTORAGE_H