--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/satengine/SatServer/Commands/DisplayTextCmd/inc/CClearScreenHandler.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,104 @@
+/*
+* Copyright (c) 2002-2006 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:  ClearScreen handler is responsible for clearing screen when
+*                DisplayText has sent immediate response and it is still active
+*                when any other command starts to execute.
+*
+*/
+
+
+
+#ifndef CCLEARSCREENHANDLER_H
+#define CCLEARSCREENHANDLER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "MSatEventObserver.h"
+
+// CONSTANTS
+
+// FORWARD DECLARATIONS
+class MSatUtils;
+
+// CLASS DECLARATION
+
+/**
+*  CClearScreenHandler for ClearScreen event
+*
+*  @lib DisplayTextCmd.lib
+*  @since Series 60 3.0
+*/
+class CClearScreenHandler : public CBase,
+                            public MSatEventObserver
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aUtils SAT Utils interface
+        */
+        static CClearScreenHandler* NewL( MSatUtils& aUtils );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CClearScreenHandler();
+
+    public: // New functions
+
+        /**
+        * Updates immediate response state to ETrue or EFalse
+        * @param aState new state
+        */
+        void UpdateImmediateState( TBool aState );
+
+    public: // From MSatEventObserver
+
+        /**
+        * Notification of event.
+        * @param aEvent Identifies the event.
+        */
+        void Event( TInt aEvent );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        * @param aUtils SAT Utils interface
+        */
+        CClearScreenHandler( MSatUtils& aUtils );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        /**
+        * Sends the request for clear screen.
+        */
+        void ClearScreen();
+
+    private:    // Data
+
+        // Holds immediate response's status.
+        TBool iImmediateResponse;
+
+        // Utils interface
+        MSatUtils& iUtils;
+
+    };
+
+#endif      // CCLEARSCREENHANDLER_H
+
+// End of File