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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_embed_XStateChangeListener_idl__
+#define __com_sun_star_embed_XStateChangeListener_idl__
+
+#ifndef __com_sun_star_lang_XEventListener_idl__
+#include <com/sun/star/lang/XEventListener.idl>
+#endif
+
+#ifndef __com_sun_star_lang_EventObject_idl__
+#include <com/sun/star/lang/EventObject.idl>
+#endif
+
+#ifndef __com_sun_star_embed_WrongStateException_idl__
+#include <com/sun/star/embed/WrongStateException.idl>
+#endif
+
+//============================================================================
+
+module com {  module sun {  module star {  module embed {
+
+//============================================================================
+
+/** makes it possible to receive events when an embedded object changes it's
+    state.
+ */
+published interface XStateChangeListener: com::sun::star::lang::XEventListener
+{
+    //------------------------------------------------------------------------
+    /** is called just before the object changes state.
+
+        <p>
+        Actually the listener can try to complain about state changing, but
+        it is up to object to decide whether the state change can be
+        prevented. Anyway the possibility to complain must be used very
+        carefully.
+        </p>
+
+        @param aEvent
+            specifies the object that is going to change own state
+
+        @param nOldState
+            specifies the old state of the object
+
+        @param nNewState
+            specifies the new state of the object
+
+        @throws ::com::sun::star::embed::WrongStateException
+            the state change is unexpected by listener
+     */
+    void changingState( [in] com::sun::star::lang::EventObject aEvent,
+                        [in] long nOldState,
+                        [in] long nNewState )
+        raises( ::com::sun::star::embed::WrongStateException );
+
+    //------------------------------------------------------------------------
+    /** is called after the object has changed state.
+
+        @param aEvent
+            specifies the object that has changed own state
+
+        @param nOldState
+            specifies the old state of the object
+
+        @param nNewState
+            specifies the new state of the object
+     */
+    void stateChanged( [in] com::sun::star::lang::EventObject aEvent,
+                        [in] long nOldState,
+                        [in] long nNewState );
+};
+
+//============================================================================
+
+}; }; }; };
+
+#endif
+