diff -r 000000000000 -r 4e1aa6a622a0 devicesrv_plat/syslangutil_api/inc/syslangutil.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devicesrv_plat/syslangutil_api/inc/syslangutil.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,96 @@
+/*
+* Copyright (c) 2000-2007 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:  Declaration of SysLangUtil class.
+*
+*/
+
+
+#ifndef SYSLANGUTIL_H
+#define SYSLANGUTIL_H
+
+#include <e32base.h>
+
+class RFs;
+
+/**
+*  Language selection -related utility methods.
+*
+*  ?more_complete_description
+*
+*  @lib SysLangUtil.lib
+*  @since S60 3.0
+*/
+class SysLangUtil
+    {
+
+public:
+
+    /**
+    * Checks if language given as an argument is valid i.e. installed
+    * language.
+    * @param aLanguage returned Symbian language code matching SIM one.
+    * @param aFileServerSession Optional file server session handle. If
+    *           omitted, new one will be created.
+    * @return ETrue if language is installed, otherwise returns EFalse.
+    */
+    IMPORT_C static TBool IsValidLanguage(
+        const TInt& aLanguage,
+        RFs* aFileServerSession = NULL );
+
+    /**
+    * Checks and returns the default language in a param given.
+    * @param aLanguage  Symbian language as a number
+    * @param aFileServerSession Optional file server session handle. If
+    *           omitted, new one will be created.
+    * @return returns KErrNone if everything went OK, otherwise returns
+    *           the errorcode.
+    */
+    IMPORT_C static TInt GetDefaultLanguage(
+        TInt& aLanguage,
+        RFs* aFileServerSession = NULL );
+
+    /**
+    * Checks and returns installed languages in a param given.
+    * @param aLanguages  Symbian languages as a arrayfixflat<int>, ownership
+    *           given to user, so user must take care of proper cleanup!
+    * @param aFileServerSession Optional file server session handle. If
+    *           omitted, new one will be created.
+    * @return returns KErrNone if everything went OK, otherwise returns
+    *           the errorcode.
+    */
+    IMPORT_C static TInt GetInstalledLanguages(
+        CArrayFixFlat<TInt>*& aLanguages,
+        RFs* aFileServerSession = NULL );
+
+    /**
+    * Returns SIM preferred languages in a param given.
+    * @param aLanguage Language that was stored in flash file system
+    * @param aFileServerSession Optional file server session handle. If
+    *           omitted, new one will be created.
+    * @return returns KErrNone if everything went OK, otherwise returns
+    *           the errorcode.
+    */
+    IMPORT_C static TInt RestoreSIMLanguage(
+        TInt &aLanguage,
+        RFs* aFileServerSession = NULL );
+
+private:
+
+    // Utility:
+
+    static RFs* CheckFS( RFs* aRFs, TBool &aExist, TInt &aErr );
+
+    };
+
+#endif // SYSLANGUTIL_H