diff -r 000000000000 -r 164170e6151a securitydialogs/lockapp/inc/lockappstatecontrolinterface.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/securitydialogs/lockapp/inc/lockappstatecontrolinterface.h	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 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:  Interface for controls that want to modify lock status
+ *
+*/
+
+
+#ifndef __LOCKAPPSTATECONTROLINTERFACE_H__
+#define __LOCKAPPSTATECONTROLINTERFACE_H__
+
+// INCLUDES
+#include "lockapp.hrh"
+
+/**
+ *  MLockAppStateControl class offers safe interface methods for lockapp controls.
+ *  All internal child controls should use this interface for modifying
+ *  the phone lock state.
+ *
+ *  @lib    lockapp
+ *  @since  5.0
+ *  @author Joona Petrell
+ *  @author Tamas Koteles
+ */
+class MLockAppStateControl
+	{
+	public:
+
+		/** 
+		 * Activate keyguard lock.
+		 *
+		 * @param aWithNote if "keys locked" note is shown
+		 * @return KErrAlreadyExists if already enabled
+		 *         KErrPermissionDenied if devicelock is activated
+		 *         KErrNone if succeeded
+		 */
+		virtual TInt EnableKeyguardL( TBool aWithNote ) = 0;
+
+		/**
+		 * Dectivate keyguard lock.
+		 *
+		 * @param aWithNote if "keys active" note is shown.
+		 * @return KErrAlreadyExists if already disabled
+		 *         KErrPermissionDenied if devicelock is activated
+		 *         KErrNone if succeeded
+		 */
+		virtual TInt DisableKeyguardL( TBool aWithNote ) = 0;
+
+		/**
+		 * Activate devicelock.
+		 * 
+		 * @param aReason the device locking reason.
+		 * @return KErrAlreadyExists if already enabled.
+		 *         KErrNone if succeeded
+		 */
+		virtual TInt EnableDevicelockL( TDevicelockReason aReason = EDevicelockManual ) = 0;
+
+		/**
+		 * Dectivate devicelock.
+		 *
+		 * @return KErrAlreadyExists if already disabled
+		 *         KErrPermissionDenied if keyguard is activated
+		 *         KErrNone if succeeded
+		 */
+		virtual TInt DisableDevicelockL( ) = 0;
+
+		/**
+		 * Offer to enable keyguard by showing "offerkeylock" note.
+		 * 
+		 * @return KErrPermissionDenied if keyguard/devicelock already activated
+		 *         KErrNone if succeeded
+		 */
+		virtual TInt OfferKeyguard( ) = 0;
+
+		/**
+		 * Offer to enable keyguard by showing "offerkeylock" note.
+		 * 
+		 * @return KErrNone if succeeded
+		 *         KErrPermissionDenied if keyguard is not enabled
+		 */
+		virtual TInt ShowKeysLockedNote( ) = 0;
+
+		/**
+		 * External access to lock state
+		 *
+		 * @return Current lock state
+		 */
+		virtual TLockStatus LockStatus( ) const = 0;
+
+		/**
+		 * External access to lock environment
+		 *
+		 * @return Current environment state
+		 */
+		virtual TUint EnvironmentStatus( ) const = 0;
+
+		/**
+		 * Used for internal testing only, disabled normally
+		 * 
+		 * @return error code
+		 */
+		virtual TInt ExecuteInternalTest( ) = 0;
+
+	};
+
+#endif // __LOCKAPPSTATECONTROLINTERFACE_H__
+// End of File