patch::: 1.3.8.uu1

[lilypond.git] / lily / performer-group-performer.cc

diff --git a/lily/performer-group-performer.cc b/lily/performer-group-performer.cc
index 525b6202fcec0583147eb23c755d8d42bbc70018..b0278c661d17cc955ba55c49574200fd703acc72 100644 (file)
--- a/lily/performer-group-performer.cc
+++ b/lily/performer-group-performer.cc
@@ -3,14 +3,67 @@
 
   source file of the GNU LilyPond music typesetter
 
-  (c) 1996, 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-               Jan Nieuwenhuizen <jan@digicash.com>
+  (c) 1996,  1997--1999 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+               Jan Nieuwenhuizen <janneke@gnu.org>
  */
 
 #include "performer-group-performer.hh"
 
 #include "debug.hh"
 
-IMPLEMENT_IS_TYPE_B2(Performer_group_performer,Performer, Translator_group);
+
 ADD_THIS_TRANSLATOR(Performer_group_performer);
 
+
+void
+Performer_group_performer::announce_element (Audio_element_info info)
+{
+  announce_info_arr_.push (info);
+  Performer::announce_element (info);
+}
+
+void
+Performer_group_performer::do_announces()
+{
+  Link_array<Translator_group> groups = group_l_arr ();
+  for (int i=0; i < groups.size(); i++) 
+    {
+      Performer_group_performer * group = dynamic_cast<Performer_group_performer*> (groups[i]);
+      if (group)
+       {
+         group->do_announces();
+       }
+    }
+  
+  Request dummy_req;
+
+  Link_array<Translator> nongroups = nongroup_l_arr ();
+  while (announce_info_arr_.size ())
+    {
+      for (int j =0; j < announce_info_arr_.size(); j++)
+       {
+         Audio_element_info info = announce_info_arr_[j];
+         
+         if (!info.req_l_)
+           info.req_l_ = &dummy_req;
+         for (int i=0; i < nongroups.size(); i++) 
+           {   // Is this good enough?
+             Performer * eng = dynamic_cast<Performer*> (nongroups[i]);
+             // urg, huh? core dump?
+             //if (eng && eng!= info.origin_trans_l_arr_[0])
+             if (eng && info.origin_trans_l_arr_.size ()
+                 && eng!= info.origin_trans_l_arr_[0])
+               eng->acknowledge_element (info);
+           }
+       }
+      announce_info_arr_.clear ();
+      for (int i=0; i < nongroups.size(); i++)
+       {
+         Performer * eng = dynamic_cast<Performer*> (nongroups[i]);
+         if (eng)
+           eng->process_acknowledged ();
+       }
+
+    }
+}
+