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diff --git a/sfx2/inc/sfx2/docstoragemodifylistener.hxx b/sfx2/inc/sfx2/docstoragemodifylistener.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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 SFX2_DOCSTORAGEMODIFYLISTENER_HXX
+#define SFX2_DOCSTORAGEMODIFYLISTENER_HXX
+
+#include "sfx2/dllapi.h"
+
+/** === begin UNO includes === **/
+#include <com/sun/star/util/XModifyListener.hpp>
+/** === end UNO includes === **/
+
+#include <cppuhelper/implbase1.hxx>
+
+
+//........................................................................
+namespace sfx2
+{
+//........................................................................
+
+    //====================================================================
+    //= IModifiableDocument
+    //====================================================================
+    /** callback for the DocumentStorageModifyListener class
+    */
+    class SAL_NO_VTABLE IModifiableDocument
+    {
+    public:
+        /// indicates the root or a sub storage of the document has been modified
+        virtual void storageIsModified() = 0;
+    };
+
+    //====================================================================
+    //= DocumentStorageModifyListener
+    //====================================================================
+    typedef ::cppu::WeakImplHelper1 < ::com::sun::star::util::XModifyListener > DocumentStorageModifyListener_Base;
+
+    class SFX2_DLLPUBLIC DocumentStorageModifyListener : public DocumentStorageModifyListener_Base
+    {
+        IModifiableDocument*    m_pDocument;
+        ::osl::SolarMutex&      m_rMutex;
+
+    public:
+        DocumentStorageModifyListener( IModifiableDocument& _rDocument, ::osl::SolarMutex& _rMutex );
+
+        void dispose();
+
+        // XModifyListener
+        virtual void SAL_CALL modified( const ::com::sun::star::lang::EventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+
+        // XEventListener
+        virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException);
+
+    protected:
+        virtual ~DocumentStorageModifyListener();
+
+    private:
+        DocumentStorageModifyListener();                                                    // never implemented
+        DocumentStorageModifyListener( const DocumentStorageModifyListener& );              // never implemented
+        DocumentStorageModifyListener& operator=( const DocumentStorageModifyListener& );   // never implemented
+    };
+
+//........................................................................
+} // namespace sfx2
+//........................................................................
+
+#endif // SFX2_DOCSTORAGEMODIFYLISTENER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */