X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=lily%2Flyric-performer.cc;h=9ba25c5bf1f1e6c839c4a7d05b319ba8a40251be;hb=2fef7b7eb7ac5d7a2ed237bf22a6ec6fe5d946d9;hp=248f8a83bb692bcb01f6a72c2cda30420fa5efee;hpb=c096fc32f688080a3be3eb78ae92f7f1553584be;p=lilypond.git

diff --git a/lily/lyric-performer.cc b/lily/lyric-performer.cc
index 248f8a83bb..9ba25c5bf1 100644
--- a/lily/lyric-performer.cc
+++ b/lily/lyric-performer.cc
@@ -1,54 +1,95 @@
 /*
-  lyric-performer.cc -- implement Lyric_performer
+  This file is part of LilyPond, the GNU music typesetter.
 
-  source file of the GNU LilyPond music typesetter
+  Copyright (C) 1997--2015 Jan Nieuwenhuizen <janneke@gnu.org>
 
-  (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+  LilyPond is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  LilyPond is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-#include "lyric-performer.hh"
-#include "text-def.hh"
-#include "musical-request.hh"
 #include "audio-item.hh"
+#include "performer.hh"
+#include "stream-event.hh"
+#include "translator.icc"
 
+class Lyric_performer : public Performer
+{
+public:
+  TRANSLATOR_DECLARATIONS (Lyric_performer);
+protected:
 
+  void stop_translation_timestep ();
+  void process_music ();
+  void listen_lyric (Stream_event *);
+private:
+  vector<Stream_event *> events_;
+  Audio_text *audio_;
+};
 
-IMPLEMENT_IS_TYPE_B1(Lyric_performer,Performer);
-ADD_THIS_PERFORMER(Lyric_performer);
-
-Lyric_performer::Lyric_performer()
+Lyric_performer::Lyric_performer (Context *c)
+  : Performer (c)
 {
+  audio_ = 0;
 }
 
-Lyric_performer::~Lyric_performer()
+void
+Lyric_performer::process_music ()
 {
+  // FIXME: won't work with fancy lyrics
+  if (events_.size ()
+      && scm_is_string (events_[0]->get_property ("text"))
+      && ly_scm2string (events_[0]->get_property ("text")).length ())
+    {
+      audio_ = new Audio_text (Audio_text::LYRIC,
+                               ly_scm2string (events_[0]->get_property ("text")));
+      Audio_element_info info (audio_, events_[0]);
+      announce_element (info);
+    }
+  events_.clear ();
 }
 
-void 
-Lyric_performer::do_print() const
+void
+Lyric_performer::stop_translation_timestep ()
 {
-#ifndef NPRINT
-    if ( lreq_arr_.size() )
-    	lreq_arr_[ 0 ]->print();
-#endif
+  if (audio_)
+    {
+      audio_ = 0;
+    }
+  events_.clear ();
 }
 
 void
-Lyric_performer::process_requests()
+Lyric_performer::listen_lyric (Stream_event *event)
 {
-    if ( lreq_arr_.size() && lreq_arr_[ 0 ]->tdef_p_->text_str_.length_i() )
-	play( new Audio_text( Audio_text::LYRIC, lreq_arr_[ 0 ]->tdef_p_->text_str_ ) );
-    lreq_arr_.clear();
+  events_.push_back (event);
 }
 
-bool
-Lyric_performer::do_try_request( Request* req_l )
+void
+Lyric_performer::boot ()
 {
-    Musical_req* m_l = req_l->musical();
-    if ( !m_l || ! m_l->lreq_l() ) 
-	return false;
-    lreq_arr_.push( m_l->lreq_l() );
-
-    return true;
+  ADD_LISTENER (Lyric_performer, lyric);
 }
 
+ADD_TRANSLATOR (Lyric_performer,
+                /* doc */
+                "",
+
+                /* create */
+                "",
+
+                /* read */
+                "",
+
+                /* write */
+                ""
+               );