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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             : #ifndef INCLUDED_SVL_BRDCST_HXX
      20             : #define INCLUDED_SVL_BRDCST_HXX
      21             : 
      22             : #include <svl/svldllapi.h>
      23             : #include <tools/rtti.hxx>
      24             : #include <vector>
      25             : 
      26             : class SfxListener;
      27             : class SfxHint;
      28             : class SfxBroadcasterTest;
      29             : 
      30             : class SVL_DLLPUBLIC SfxBroadcaster
      31             : {
      32             :     typedef std::vector<SfxListener*> SfxListenerArr_Impl;
      33             : 
      34             :     /** Contains the positions of removed listeners. */
      35             :     std::vector<size_t>     m_RemovedPositions;
      36             :     SfxListenerArr_Impl     m_Listeners;
      37             : 
      38             : private:
      39             :     void                    AddListener( SfxListener& rListener );
      40             :     void                    RemoveListener( SfxListener& rListener );
      41             :     const SfxBroadcaster&   operator=(const SfxBroadcaster &); // verboten
      42             : 
      43             : protected:
      44             :     void                    Forward(SfxBroadcaster& rBC, const SfxHint& rHint);
      45             :     virtual void            ListenersGone();
      46             : 
      47             : public:
      48             :                             TYPEINFO();
      49             : 
      50             :                             SfxBroadcaster();
      51             :                             SfxBroadcaster( const SfxBroadcaster &rBC );
      52             :     virtual                 ~SfxBroadcaster();
      53             : 
      54             :     void                    Broadcast( const SfxHint &rHint );
      55             :     bool                    HasListeners() const;
      56             : 
      57             :     /** Get the number of listeners which are registered at this broadcaster */
      58             :     size_t                  GetListenerCount() const;
      59             : 
      60             :     /** Get the size of the internally stored vector.
      61             :      * Use it to iterate over all listeners.
      62             :      */
      63      185406 :     size_t                  GetSizeOfVector() const {
      64      185406 :         return m_Listeners.size();
      65             :     }
      66             : 
      67             :     /** Get a listener by its position in the internally stored vector.
      68             :      * Note that this method may return NULL
      69             :      */
      70     2173368 :     SfxListener*            GetListener( size_t nNo ) const {
      71     2173368 :         return m_Listeners[nNo];
      72             :     }
      73             : 
      74             :     friend class SfxListener;
      75             :     friend class ::SfxBroadcasterTest;
      76             : };
      77             : 
      78             : #endif
      79             : 
      80             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */