--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sysstatemgmt/syslangutil/ssmlangselcmd/src/ssmlanguageloader.cpp	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,137 @@
+/*
+* 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:
+* Implementation of SsmLanguageLoader class.
+*
+*/
+
+#include <e32std.h>
+#include <hal.h>
+
+#include "ssmlanguageloader.h"
+#include "trace.h"
+
+_LIT( KLocaleDllNameBase, "ELOCL" );
+_LIT( KLocaleDllExtensionFormat, ".%u" );
+_LIT( KLocaleDllExtensionPadding, "0" );
+_LIT( KDefaultLocaleDllNameExtension, ".LOC" );
+const TInt KMaxLocaleDllNameLength = 16;
+const TInt KMaxLocaleDllExtensionLength = 6;
+const TInt KMinLocaleDllExtensionLength = 3;
+const TInt KLocaleDllExtensionPaddingPosition = 1;
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// SsmLanguageLoader::LoadLanguage
+//
+// ---------------------------------------------------------------------------
+//
+TInt SsmLanguageLoader::LoadLanguage( const TInt aLanguage )
+    {
+    FUNC_LOG;
+    INFO_1( "Loading language %d", aLanguage );
+
+    TInt errorCode = StoreLanguageToHal( aLanguage );
+    ERROR( errorCode, "Failed to store language code to HAL" );
+
+    errorCode = LoadLocaleDll( aLanguage );
+    ERROR( errorCode, "Failed to load locale DLL" );
+
+    return errorCode;
+    }
+
+
+// -----------------------------------------------------------------------------
+// SsmLanguageLoader::StoreLanguageToHal
+//
+// -----------------------------------------------------------------------------
+//
+TInt SsmLanguageLoader::StoreLanguageToHal( const TInt aLanguage )
+    {
+    FUNC_LOG;
+
+    TInt errorCode = HAL::Set( HAL::ELanguageIndex, aLanguage );
+    return errorCode;
+    }
+
+
+// -----------------------------------------------------------------------------
+// SsmLanguageLoader::LoadLocaleDll
+//
+// -----------------------------------------------------------------------------
+//
+TInt SsmLanguageLoader::LoadLocaleDll( const TInt aLanguage )
+    {
+    FUNC_LOG;
+
+    // Dot plus five digit locale
+    TBuf<KMaxLocaleDllExtensionLength> extension; 
+    extension.Format( KLocaleDllExtensionFormat, aLanguage );
+    
+    // Padd ".1" to ".01" for compatibility.
+    if ( extension.Length() < KMinLocaleDllExtensionLength ) 
+        {
+        extension.Insert( KLocaleDllExtensionPaddingPosition,
+                          KLocaleDllExtensionPadding );
+        }
+    
+    TBuf<KMaxLocaleDllNameLength> localeDllName;
+    localeDllName = KLocaleDllNameBase;
+    localeDllName.Append( extension );
+
+    INFO_1( "Loading DLL named '%S'", &localeDllName );
+
+    TInt errorCode = ChangeLocale( localeDllName );
+
+    if ( errorCode == KErrNotFound ) // Try default locale
+        {
+        INFO( "SsmLanguageLoader: Loading default locale" );
+
+        localeDllName = KLocaleDllNameBase;
+        localeDllName.Append( KDefaultLocaleDllNameExtension );
+
+        errorCode = ChangeLocale( localeDllName );
+        }
+
+    if ( errorCode == KErrNone )
+        {
+        TLocale().Set();
+        }
+
+    return errorCode;
+    }
+
+
+// -----------------------------------------------------------------------------
+// SsmLanguageLoader::ChangeLocale
+//
+// -----------------------------------------------------------------------------
+//
+TInt SsmLanguageLoader::ChangeLocale( const TDesC& aLocaleDllName )
+    {
+    FUNC_LOG;
+
+    TExtendedLocale extLocale;
+    TInt errorCode = extLocale.LoadLocale( aLocaleDllName );
+    ERROR( errorCode, "Failed to load locale" );
+
+    if ( errorCode == KErrNone )
+        {
+        errorCode = extLocale.SaveSystemSettings();
+        ERROR( errorCode, "Failed to set locale" );
+        }
+
+    return errorCode;
+    }