include/svl/brdcst.hxx

   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 _SFXBRDCST_HXX
  20 #define _SFXBRDCST_HXX
  21
  22 #include "svl/svldllapi.h"
  23 #include <tools/rtti.hxx>
  24 #include <vector>
  25
  26 class SfxListener;
  27 class SfxHint;
  28
  29 //-------------------------------------------------------------------------
  30
  31 class SVL_DLLPUBLIC SfxBroadcaster
  32 {
  33     friend class SfxListener;
  34     typedef std::vector<SfxListener*> SfxListenerArr_Impl;
  35
  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     size_t                  GetListenerCount() const
  57     {
  58         return m_Listeners.size();
  59     }
  60     SfxListener*            GetListener( sal_uInt16 nNo ) const
  61     {
  62         return m_Listeners[nNo];
  63     }
  64 };
  65
  66 #endif
  67
  68 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */