include/svl/listener.hxx

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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19 #ifndef INCLUDED_SVL_LISTENER_HXX
  20 #define INCLUDED_SVL_LISTENER_HXX
  21
  22 #include <svl/svldllapi.h>
  23
  24 #include <unordered_set>
  25
  26 class SvtBroadcaster;
  27 class SfxHint;
  28
  29 class SVL_DLLPUBLIC SvtListener
  30 {
  31     typedef std::unordered_set<SvtBroadcaster*> BroadcastersType;
  32     BroadcastersType maBroadcasters;
  33
  34     const SvtListener&  operator=(const SvtListener &) = delete;
  35
  36 public:
  37     class SVL_DLLPUBLIC QueryBase
  38     {
  39         sal_uInt16 mnId;
  40     public:
  41         QueryBase( sal_uInt16 nId );
  42         virtual ~QueryBase();
  43
  44         sal_uInt16 getId() const;
  45     };
  46
  47     SvtListener();
  48     SvtListener( const SvtListener &r );
  49     virtual ~SvtListener();
  50
  51     bool StartListening( SvtBroadcaster& rBroadcaster );
  52     bool EndListening( SvtBroadcaster& rBroadcaster );
  53     void EndListeningAll();
  54
  55     void CopyAllBroadcasters( const SvtListener& r );
  56     bool HasBroadcaster() const;
  57
  58     virtual void Notify( const SfxHint& rHint );
  59     virtual void Query( QueryBase& rQuery ) const;
  60 };
  61
  62
  63 #endif
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */