--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_akn/javalcdui/inc/MMIDCanvasExtended.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,51 @@
+/*
+* Copyright (c) 2003 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 observing Canvas visibility changes.
+*
+*/
+
+
+#ifndef MMIDCANVASEXTENDED_H
+#define MMIDCANVASEXTENDED_H
+
+#include <lcdui.h>
+
+//  CLASS DEFINITION
+/*
+-----------------------------------------------------------------------------
+
+    DESCRIPTION
+
+    Interface for observing canvas' visibility changes
+
+-----------------------------------------------------------------------------
+*/
+
+class MMIDCanvasExtended : public MMIDCanvas
+{
+public:
+    /**
+     * Adds new observer. Observer will be informed when display gains or loses focus.
+     * @param aDirectScreenAccess Interface which will be informed of visibility changes.
+     */
+    virtual void AddCanvasVisibilityObserver(MDirectScreenAccess* aDirectScreenAccess) = 0;
+
+    /**
+     * Removes observer.
+     * @param aDirectScreenAccess Observer which will be removed.
+     */
+    virtual void RemoveCanvasVisibilityObserver(MDirectScreenAccess* aDirectScreenAccess) = 0;
+};
+
+#endif // MMIDCANVASEXTENDED_H