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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             : 
      20             : #ifndef INCLUDED_SLIDESHOW_DISPOSABLE_HXX
      21             : #define INCLUDED_SLIDESHOW_DISPOSABLE_HXX
      22             : 
      23             : #include <sal/types.h>
      24             : #include <boost/shared_ptr.hpp>
      25             : 
      26             : 
      27             : /* Definition of Disposable interface */
      28             : 
      29             : namespace slideshow
      30             : {
      31             :     namespace internal
      32             :     {
      33             :         /** Disposable interface
      34             : 
      35             :             With ref-counted objects, deleting object networks
      36             :             containing cycles requires a dispose() call, to enforce
      37             :             every object to call dispose on and release local
      38             :             references.
      39             :          */
      40           0 :         class Disposable
      41             :         {
      42             :         public:
      43           0 :             virtual ~Disposable() {}
      44             : 
      45             :             /** Dispose all object references.
      46             : 
      47             :                 An implementor of this method must first call
      48             :                 dispose() on any of its external references, and
      49             :                 release them after that.
      50             :              */
      51             :             virtual void dispose() = 0;
      52             :         };
      53             : 
      54             :     }
      55             : }
      56             : 
      57             : #endif /* INCLUDED_SLIDESHOW_DISPOSABLE_HXX */
      58             : 
      59             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */