include/svl/broadcast.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   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:
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  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
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  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 _SVT_BROADCAST_HXX
  20 #define _SVT_BROADCAST_HXX
  21
  22 #include "svl/svldllapi.h"
  23 #include <tools/rtti.hxx>
  24
  25 class SvtListener;
  26 class SfxHint;
  27 class SvtListenerBase;
  28
  29 //-------------------------------------------------------------------------
  30
  31 class SVL_DLLPUBLIC SvtBroadcaster
  32 {
  33 friend class SvtListener;
  34 friend class SvtListenerBase;
  35 friend class SvtListenerIter;
  36     SvtListenerBase* pRoot;
  37
  38     const SvtBroadcaster&   operator=(const SvtBroadcaster &); // verboten
  39
  40 protected:
  41     virtual void            ListenersGone();
  42
  43 public:
  44                             TYPEINFO();
  45
  46                             SvtBroadcaster();
  47                             SvtBroadcaster( const SvtBroadcaster &rBC );
  48     virtual                 ~SvtBroadcaster();
  49
  50     void                    Broadcast( const SfxHint &rHint );
  51
  52     sal_Bool                    HasListeners() const { return 0 != pRoot; }
  53 };
  54
  55
  56 #endif
  57
  58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */