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diff --git a/sfx2/source/inc/docundomanager.hxx b/sfx2/source/inc/docundomanager.hxx
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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 DOCUMENT_UNDO_MANAGER_HXX
+#define DOCUMENT_UNDO_MANAGER_HXX
+
+#include "sfx2/sfxbasemodel.hxx"
+
+/** === begin UNO includes === **/
+#include <com/sun/star/document/XUndoManager.hpp>
+/** === end UNO includes === **/
+
+#include <cppuhelper/implbase1.hxx>
+
+#include <boost/scoped_ptr.hpp>
+#include <boost/noncopyable.hpp>
+
+namespace svl
+{
+    class IUndoManager;
+}
+
+//......................................................................................................................
+namespace sfx2
+{
+//......................................................................................................................
+
+    //==================================================================================================================
+    //= DocumentUndoManager
+    //==================================================================================================================
+    typedef ::cppu::ImplHelper1 <   ::com::sun::star::document::XUndoManager
+                                >   DocumentUndoManager_Base;
+    struct DocumentUndoManager_Impl;
+    class DocumentUndoManager   :public DocumentUndoManager_Base
+                                ,public SfxModelSubComponent
+                                ,public ::boost::noncopyable
+    {
+        friend struct DocumentUndoManager_Impl;
+
+    public:
+        DocumentUndoManager( SfxBaseModel& i_document );
+        virtual ~DocumentUndoManager();
+
+        // SfxModelSubComponent overridables
+        virtual void    disposing();
+
+        // non-UNO API for our owner
+        /** determines whether we have an open Undo context. No mutex locking within this method, no disposal check - this
+            is the responsibility of the owner.
+        */
+        bool    isInContext() const;
+
+        // XInterface
+        virtual void SAL_CALL acquire(  ) throw ();
+        virtual void SAL_CALL release(  ) throw ();
+
+        // XUndoManager
+        virtual void SAL_CALL enterUndoContext( const ::rtl::OUString& i_title ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL enterHiddenUndoContext(  ) throw (::com::sun::star::document::EmptyUndoStackException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL leaveUndoContext(  ) throw (::com::sun::star::util::InvalidStateException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL addUndoAction( const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoAction >& i_action ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL undo(  ) throw (::com::sun::star::document::EmptyUndoStackException, ::com::sun::star::document::UndoContextNotClosedException, ::com::sun::star::document::UndoFailedException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL redo(  ) throw (::com::sun::star::document::EmptyUndoStackException, ::com::sun::star::document::UndoContextNotClosedException, ::com::sun::star::document::UndoFailedException, ::com::sun::star::uno::RuntimeException);
+        virtual ::sal_Bool SAL_CALL isUndoPossible(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::sal_Bool SAL_CALL isRedoPossible(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getCurrentUndoActionTitle(  ) throw (::com::sun::star::document::EmptyUndoStackException, ::com::sun::star::uno::RuntimeException);
+        virtual ::rtl::OUString SAL_CALL getCurrentRedoActionTitle(  ) throw (::com::sun::star::document::EmptyUndoStackException, ::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getAllUndoActionTitles(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getAllRedoActionTitles(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL clear(  ) throw (::com::sun::star::document::UndoContextNotClosedException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL clearRedo(  ) throw (::com::sun::star::document::UndoContextNotClosedException, ::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL reset(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL addUndoManagerListener( const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManagerListener >& i_listener ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL removeUndoManagerListener( const ::com::sun::star::uno::Reference< ::com::sun::star::document::XUndoManagerListener >& i_listener ) throw (::com::sun::star::uno::RuntimeException);
+
+        // XLockable, base of XUndoManager
+        virtual void SAL_CALL lock(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL unlock(  ) throw (::com::sun::star::util::NotLockedException, ::com::sun::star::uno::RuntimeException);
+        virtual ::sal_Bool SAL_CALL isLocked(  ) throw (::com::sun::star::uno::RuntimeException);
+
+        // XChild, base of XUndoManager
+        virtual ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL getParent(  ) throw (::com::sun::star::uno::RuntimeException);
+        virtual void SAL_CALL setParent( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& Parent ) throw (::com::sun::star::lang::NoSupportException, ::com::sun::star::uno::RuntimeException);
+
+    private:
+        ::boost::scoped_ptr< DocumentUndoManager_Impl > m_pImpl;
+    };
+
+//......................................................................................................................
+} // namespace sfx2
+//......................................................................................................................
+
+#endif // DOCUMENT_UNDO_MANAGER_HXX