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 void
  26 Performer_group_performer::do_announces()
  27 {
  28    for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  29     {
  30       if (Performer_group_performer *trg =  dynamic_cast <Performer_group_performer *> (p->car_))
  31         trg->do_announces ();
  32     }
  33
  34
  35
  36
  37   while (announce_info_arr_.size ())
  38     {
  39       for (int j =0; j < announce_info_arr_.size(); j++)
  40         {
  41           Audio_element_info info = announce_info_arr_[j];
  42           for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  43             {
  44               if (!dynamic_cast <Performer_group_performer *> (p->car_))
  45                 {
  46                   Performer * eng = dynamic_cast<Performer*> (p->car_);
  47                   // urg, huh? core dump?
  48                   //if (eng && eng!= info.origin_trans_l_arr ()[0])
  49                   if (eng && info.origin_trans_l_arr (this).size ()
  50                       && eng!= info.origin_trans_l_arr (this)[0])
  51                     eng->acknowledge_element (info);
  52                 }
  53             }
  54           announce_info_arr_.clear ();
  55
  56
  57           for (Cons<Translator> *p = trans_p_list_.head_; p; p = p->next_)
  58             {
  59               if (!dynamic_cast <Performer_group_performer *> (p->car_))
  60                 {
  61                   Performer * eng = dynamic_cast<Performer*> (p->car_);
  62                   if (eng)
  63                     eng->process_acknowledged ();
  64                 }
  65             }
  66         }
  67     }
  68 }
  69