lily/performer-group-performer.cc

   1 /*
   2   performer-group-performer.cc -- implement Performer_group_performer
   3
   4   source file of the GNU LilyPond music typesetter
   5
   6   (c) 1996--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
   7                Jan Nieuwenhuizen <janneke@gnu.org>
   8  */
   9
  10 #include "performer-group-performer.hh"
  11
  12 #include "debug.hh"
  13
  14
  15 ADD_THIS_TRANSLATOR(Performer_group_performer);
  16
  17
  18 void
  19 Performer_group_performer::announce_element (Audio_element_info info)
  20 {
  21   announce_info_arr_.push (info);
  22   Performer::announce_element (info);
  23 }
  24
  25
  26
  27 void
  28 Performer_group_performer::do_announces()
  29 {
  30   for (SCM p = trans_group_list_; gh_pair_p (p); p =gh_cdr ( p))
  31     {
  32       Translator * t = unsmob_translator (gh_car (p));
  33       dynamic_cast<Performer_group_performer*> (t)->do_announces ();
  34     }
  35
  36   while (announce_info_arr_.size ())
  37     {
  38       for (int j =0; j < announce_info_arr_.size(); j++)
  39         {
  40           Audio_element_info info = announce_info_arr_[j];
  41
  42           for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr (p))
  43             {
  44               Translator * t = unsmob_translator (gh_car (p));
  45               Performer * eng = dynamic_cast<Performer*> (t);
  46               if (eng && eng!= info.origin_trans_l_)
  47                 eng->acknowledge_element (info);
  48             }
  49         }
  50       announce_info_arr_.clear ();
  51       for (SCM p = simple_trans_list_; gh_pair_p (p); p = gh_cdr ( p))
  52         {
  53           Translator * t = unsmob_translator (gh_car (p));
  54           Performer * eng = dynamic_cast<Performer*> (t);
  55           if (eng)
  56             eng->process_acknowledged ();
  57         }
  58     }
  59 }
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