--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swinstallationfw/source/sifutils.cpp	Tue Aug 31 15:21:33 2010 +0300
@@ -0,0 +1,73 @@
+/*
+* Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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: 
+* This file implements the SifUtils library
+*
+*/
+
+
+#include <usif/scr/scr.h>
+#include <usif/sts/sts.h>
+#include "sifutils.h"
+#include "scr_internal.h"
+
+EXPORT_C void Usif::UninstallL(TComponentId aComponentId)
+	{
+	// Connect to the SCR and start a transaction
+	RSoftwareComponentRegistry scr;
+	User::LeaveIfError(scr.Connect());
+	CleanupClosePushL(scr);
+	scr.CreateTransactionL();
+		// Connect to the STS and start a transaction
+	RStsSession sts;
+	sts.CreateTransactionL();
+	CleanupClosePushL(sts);
+		// Get a list of files to be deleted
+	RSoftwareComponentRegistryFilesList fileList;
+	fileList.OpenListL(scr, aComponentId);
+	CleanupClosePushL(fileList);
+		// Unregister and delete the files from iFileList
+	HBufC* file = NULL;
+	while ((file = fileList.NextFileL()) != NULL)
+		{
+		CleanupStack::PushL(file);
+		sts.RemoveL(*file);
+		CleanupStack::PopAndDestroy(file);
+		}
+	CleanupStack::PopAndDestroy(&fileList);
+	
+	// Delete the component from the SCR
+	scr.DeleteComponentL(aComponentId);
+
+	// Commit the STS & SCR transactions
+	sts.CommitL();
+	scr.CommitTransactionL();
+	CleanupStack::PopAndDestroy(2, &scr);
+	}
+	
+EXPORT_C TUid Usif::GenerateNewAppUidL()
+    {
+    // Connect to SCR using the internal client.
+    RScrInternalClient scr;
+    User::LeaveIfError(scr.Connect());
+    CleanupClosePushL(scr);
+    
+	//Request for an unused UID.
+    TUid generatedUid = scr.GenerateNewAppUidL();
+    
+    CleanupStack::PopAndDestroy(&scr);
+    return generatedUid;
+}
+
+