diff -r 1f0034e370aa -r 71ad690e91f5 javauis/eswt_qt/org.eclipse.swt/Eclipse_SWT_PI/qt/org/eclipse/swt/internal/qt/SymbianWindowVisibilityListener.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/eswt_qt/org.eclipse.swt/Eclipse_SWT_PI/qt/org/eclipse/swt/internal/qt/SymbianWindowVisibilityListener.java	Mon Oct 04 11:29:25 2010 +0300
@@ -0,0 +1,24 @@
+/*******************************************************************************
+ * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Nokia Corporation - initial implementation
+ *******************************************************************************/
+
+package org.eclipse.swt.internal.qt;
+
+import org.eclipse.swt.widgets.Widget;
+
+public interface SymbianWindowVisibilityListener {
+    /**
+     * Notifies the listeners when the visibility of a window owing widget is changing.
+     * May be sent either before or after the actual visibility is changed.
+     * @param widget - the window owing widget who's visibility is being changed.
+     * @param visible - true when the widget is becoming visible.
+     */
+    public abstract void handleSymbianWindowVisibilityChange(Widget widget, boolean visible);
+}