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diff --git a/offapi/com/sun/star/drawing/XSlidePreviewCacheListener.idl b/offapi/com/sun/star/drawing/XSlidePreviewCacheListener.idl
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef __com_sun_star_drawing_XSlidePreviewCacheListener_idl__
+#define __com_sun_star_drawing_XSlidePreviewCacheListener_idl__
+
+#ifndef __com_sun_star_uno_XInterface_idl__
+#include <com/sun/star/uno/XInterface.idl>
+#endif
+
+module com { module sun { module star { module drawing {
+
+/** Listener for asynchronous preview creations.  Called when a slide
+    preview has been created that was previously requested via a call to
+    <method>XSlidePreviewCache::getSlidePreview()</method>.  The
+    implementor may then call <method>getSlidePreview()</method> a second
+    time to get the up-to-date version of the preview.
+*/
+interface XSlidePreviewCacheListener
+{
+    /** Called by a <interface>XSlidePreviewCache</interface> object when a
+        preview has been created for the slide with the given index.
+        @param nSlideIndex
+            The index of the slide for which a new preview has been created.
+    */
+    void notifyPreviewCreation ([in] long nSlideIndex);
+};
+
+}; }; }; }; // ::com::sun::star::drawing
+
+#endif