diff -r 5cc91383ab1e -r 7333d7932ef7 installationservices/swinstallationfw/common/inc/usifcommon.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/installationservices/swinstallationfw/common/inc/usifcommon.h	Tue Aug 31 15:21:33 2010 +0300
@@ -0,0 +1,78 @@
+/*
+* Copyright (c) 2008-2009 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 header defines common USIF entities
+*
+*/
+
+
+/**
+ @file
+ @publishedAll
+ @released
+*/
+
+#ifndef USIFCOMMON_H
+#define USIFCOMMON_H
+
+#include <e32base.h>
+
+namespace Usif
+	{
+	/**
+		This enumeration defines the possible states of a software component. According to the SCOMO specification
+		a component may be Deactivated or Activated. New software components are activated during installation by
+		default. However, the 'InstallInactive' param can be passed to the SIF in order not to activated a newly installed
+		component. Please refer to the SIF API documentation for more details.
+	 */
+	enum TScomoState
+		{
+		EDeactivated = 0,
+		EActivated   = 1
+		};
+
+	/**
+		This enumeration defines the possible options for user dialogs. 
+		If EAllowed is selected then the response to the user option dialog is treated as 'Yes'
+		If ENotAllowed is selected then the response to the user option dialog is treated as 'No'
+		If EUserConfirm is selected then user option dialog is presented to the user.
+	*/
+	enum TSifPolicy
+		{
+		EAllowed		= 0,
+		ENotAllowed		= 1,
+		EUserConfirm	= 2
+		};
+
+	/**
+		TComponentId defines an instance of a software component in the Software Component Registry. Two different components cannot 
+		have the same id on the system, however, it is not global and different components may have the same component id
+		on separate devices.Please refer to @see GlobalId for a unique identifier for software components across different devices.
+	*/
+	typedef TInt TComponentId;
+	
+	/**
+		Pre-defined software type names for the Universal Software Install Framework. 
+		'native' stands for Symbian native components delivered in the SIS/SISX packages.
+		'java' stands for Java MIDlets.
+		'widget' stands for Widgets
+	*/
+	_LIT(KSoftwareTypeNative, "native");
+	_LIT(KSoftwareTypeJava, "java");
+	_LIT(KSoftwareTypeWidget, "widget");
+
+	
+	} // end namespace Usif
+
+#endif