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1 /*
2   performer-group-performer.hh -- declare Performer_group_performer
3
4   (c) 1996--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
5                  Jan Nieuwenhuizen <janneke@gnu.org>
6  */
7
8 #ifndef PERFORMER_GROUP_PERFORMER_HH
9 #define PERFORMER_GROUP_PERFORMER_HH
10
11 #include "lily-proto.hh"
12 #include "parray.hh"
13 #include "performer.hh"
14 #include "translator-group.hh"
15
16 typedef void (Performer::*Performer_method) (void);
17
18 class Performer_group_performer : public Performer, public virtual Translator_group {
19 public:
20   TRANSLATOR_DECLARATIONS(Performer_group_performer);
21   
22   virtual void do_announces ();
23   virtual void announce_element (Audio_element_info);
24 protected:
25   Array<Audio_element_info> announce_infos_;
26
27 private:
28   void acknowledge_audio_elements ();
29 };
30
31 void performer_each (SCM list, Performer_method method);
32
33 #endif // PERFORMER_GROUP_PERFORMER_HH
34