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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : #include "unotools/unotoolsdllapi.h"
      20             : 
      21             : #ifndef UNOTOOLS_INC_UNOTOOLS_DESKTOPTERMINATIONOBSERVER_HXX
      22             : #define UNOTOOLS_INC_UNOTOOLS_DESKTOPTERMINATIONOBSERVER_HXX
      23             : 
      24             : //........................................................................
      25             : namespace utl
      26             : {
      27             : //........................................................................
      28             : 
      29             :     //====================================================================
      30             :     //= ITerminationListener
      31             :     //====================================================================
      32             :     /** non-UNO version of the com.sun.star.frame::XTerminateListener
      33             :     */
      34          15 :     class ITerminationListener
      35             :     {
      36             :     public:
      37             :         virtual bool    queryTermination() const = 0;
      38             :         virtual void    notifyTermination() = 0;
      39             : 
      40             :     protected:
      41          15 :         ~ITerminationListener() {}
      42             :     };
      43             : 
      44             :     //====================================================================
      45             :     //= DesktopTerminationObserver
      46             :     //====================================================================
      47             :     /** a class which allows non-UNO components to observe the desktop (aka application)
      48             :         for it's shutdown
      49             :     */
      50             :     class UNOTOOLS_DLLPUBLIC DesktopTerminationObserver
      51             :     {
      52             :     public:
      53             :         /** registers a listener which should be notified when the desktop terminates
      54             :             (which means the application is shutting down)
      55             :         */
      56             :         static void    registerTerminationListener( ITerminationListener* _pListener );
      57             : 
      58             :         /** revokes a termination listener
      59             :         */
      60             :         static void    revokeTerminationListener( ITerminationListener* _pListener );
      61             : 
      62             :     private:
      63             :         DesktopTerminationObserver();   // never implemented, only static methods
      64             :     };
      65             : 
      66             : //........................................................................
      67             : } // namespace utl
      68             : //........................................................................
      69             : 
      70             : #endif // UNOTOOLS_INC_UNOTOOLS_DESKTOPTERMINATIONOBSERVER_HXX
      71             : 
      72             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */