diff -r 000000000000 -r a2952bb97e68 mmappcomponents/mmmtpdataprovider/inc/mmmtpdputility.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/mmmtpdataprovider/inc/mmmtpdputility.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,159 @@
+/*
+* 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:  Definition for MTP Utility File
+*
+*/
+
+
+#ifndef MMMTPDPUTILITY_H
+#define MMMTPDPUTILITY_H
+
+#include <mtp/mtpprotocolconstants.h>
+
+#include "mmmtpdpfiledefs.h"
+
+// forward declacration
+class CMTPObjectMetaData;
+class MMTPDataProviderFramework;
+
+class MmMtpDpUtility
+    {
+public:
+    /**
+    * Utility function to get the type of an object from the filename
+    * @param aFullFileName, full path of file name
+    * @return TMTPFormatCode for the passed file name
+    */
+    IMPORT_C static TMTPFormatCode FormatFromFilename( const TDesC& aFullFileName );
+
+    /**
+    * Utility function to decide if has metadata
+    * @param aObjFormatCode, object format code
+    * @return TBool for decide if has metadata
+    */
+    static TBool HasMetadata( TUint16 aObjFormatCode );
+
+    /**
+    * Utility function to decide if the file is video.
+    * @param aFullFileName, the full file name
+    * @return TBool for decide if the file is video
+    */
+    IMPORT_C static TBool IsVideoL( const TDesC& aFullFileName );
+
+    /**
+    * Utility function to decide if the file is video.
+    * For internal use, this is fast version by querying framework DB
+    * @param aFullFileName, the full file name
+    * @param aFramework, the mtp framework instance pointer, default is null
+    * @return TBool for decide if the file is video
+    */
+    static TBool IsVideoL( const TDesC& aFullFileName, const MMTPDataProviderFramework& aFramework );
+
+    /**
+    * Check the filename length to see if it exceeds Symbian 256 limit.
+    * @param aPathName, the path name of the file
+    * @param aFileName, the file to be check
+    * @return TBool for decide if the file name validate
+    */
+    static TBool ValidateFilename( const TDesC& aPathName,
+        const TDesC& aFileName );
+
+    /**
+    * Check the file size, if file doesn't exist, leave
+    * @param aFs, handle of file server session
+    * @param aFileName, fine name
+    * @return TUint64 size for specified file
+    */
+    static TUint64 GetObjectSizeL( RFs& aFs, const TDesC& aFileName );
+
+    /**
+    * Get file date modified info
+    * @param aFs , handle of file server session
+    * @param aFullFileName, fine name
+    * @return TTime for specified file
+    */
+    static TTime GetObjectDateModifiedL( RFs& aFs, const TDesC& aFullFileName );
+
+    /**
+    * Check if file is read-only, if file doesn't exist, leave
+    * @param aFs , handle of file server session
+    * @param aFullFileName, the file to be check
+    */
+    static TUint16 GetProtectionStatusL( RFs& aFs, const TDesC& aFullFileName );
+
+    /**
+    * Check if prop type and data type match
+    * @param aPropertyCode, the proptery code
+    * @param aDataType, the data type
+    * @param TMTPResponseCode, decide if match
+    */
+    static TMTPResponseCode CheckPropType( TUint16 aPropertyCode,
+            TUint16 aDataType );
+
+    /**
+    * Update object file name
+    * @param aFs
+    * @param aPathName, the path name of the file
+    * @param aFullFileName, the file to be check
+    */
+    static TInt UpdateObjectFileName( RFs& aFs,
+        const TDesC& aFullFileName,
+        TDes& aNewName );
+
+    /**
+    * Get the mime type of file, support mp4/3gp now
+    * @param aFullPath, full path of file
+    * @return mime type string, if return NULL, no mime or failed
+    */
+    static HBufC8* ContainerMimeType( const TDesC& aFullPath );
+
+    /**
+    * Get the Mime from Mp4 file
+    * @param aFullFileName, full path of file
+    * @return mime type string, if return NULL, no mime or failed
+    */
+    static HBufC8* Mp4MimeTypeL( const TDesC& aFullFileName );
+
+    /**
+    * Get the Mime from Odf file
+    * @param aFullFileName, full path of file
+    * @return mime type string, if return NULL, no mime or failed
+    */
+    static HBufC8* OdfMimeTypeL( const TDesC& aFullFileName );
+
+    /**
+    * Get the Mime from Asf file
+    * @param aFullFileName, full path of file
+    * @return mime type string, if return NULL, no mime or failed
+    */
+    static HBufC8* AsfMimeTypeL( const TDesC& aFullFileName );
+
+    /**
+    * get the sub format code by mime
+    * @param aMimeType, mime type
+    * @param aSubFormatCode, output the sub format code
+    * @return if success, return KErrNone, otherwise, error code
+    */
+    static TInt SubFormatCodeFromMime( const TDesC8& aMimeType, TMmMtpSubFormatCode& aSubFormatCode );
+
+    /**
+    * Get DRM status
+    * @param aFullFileName, full file name
+    * @return return DRM status code
+    */
+    IMPORT_C static TInt GetDrmStatus( const TDesC& aFullFileName );
+
+    };
+
+#endif // MMMTPDPUTILITY_H