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diff --git a/vcl/inc/salsession.hxx b/vcl/inc/salsession.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 _VCL_SALSESSION_HXX
+#define _VCL_SALSESSION_HXX
+
+#include "vcl/dllapi.h"
+
+enum SalSessionEventType
+{
+    Interaction,
+    SaveRequest,
+    ShutdownCancel,
+    Quit
+};
+
+struct SalSessionEvent
+{
+    SalSessionEventType         m_eType;
+
+    SalSessionEvent( SalSessionEventType eType )
+            : m_eType( eType )
+    {}
+};
+
+struct SalSessionInteractionEvent : public SalSessionEvent
+{
+    bool                        m_bInteractionGranted;
+
+    SalSessionInteractionEvent( bool bGranted )
+            : SalSessionEvent( Interaction ),
+              m_bInteractionGranted( bGranted )
+    {}
+};
+
+struct SalSessionSaveRequestEvent : public SalSessionEvent
+{
+    bool                        m_bShutdown;
+    bool                        m_bCancelable;
+
+    SalSessionSaveRequestEvent( bool bShutdown, bool bCancelable )
+            : SalSessionEvent( SaveRequest ),
+              m_bShutdown( bShutdown ),
+              m_bCancelable( bCancelable )
+    {}
+};
+
+struct SalSessionShutdownCancelEvent : public SalSessionEvent
+{
+    SalSessionShutdownCancelEvent()
+            : SalSessionEvent( ShutdownCancel )
+    {}
+};
+
+struct SalSessionQuitEvent : public SalSessionEvent
+{
+    SalSessionQuitEvent()
+            : SalSessionEvent( Quit )
+    {}
+};
+
+typedef void(*SessionProc)( SalSessionEvent *pEvent);
+
+class VCL_PLUGIN_PUBLIC SalSession
+{
+    SessionProc         m_aProc;
+public:
+    SalSession()
+            : m_aProc( 0 )
+    {}
+    virtual ~SalSession();
+
+    void SetCallback( SessionProc aCallback )
+    {
+        m_aProc = aCallback;
+    }
+    void CallCallback( SalSessionEvent* pEvent )
+    {
+        if( m_aProc )
+            m_aProc( pEvent );
+    }
+
+    // query the session manager for a user interaction slot
+    virtual void queryInteraction() = 0;
+    // signal the session manager that we're done with user interaction
+    virtual void interactionDone() = 0;
+    // signal that we're done saving
+    virtual void saveDone() = 0;
+    // try to cancel the sutdown in progress
+    virtual bool cancelShutdown() = 0;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */