/*
- 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--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+ 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 "musical-request.hh"
#include "audio-item.hh"
-#include "lily-proto.hh"
#include "performer.hh"
-#include "array.hh"
+#include "stream-event.hh"
+#include "translator.icc"
-class Lyric_performer : public Performer {
+class Lyric_performer : public Performer
+{
public:
- VIRTUAL_COPY_CONS(Translator);
- Lyric_performer ();
-
+ TRANSLATOR_DECLARATIONS (Lyric_performer);
protected:
- virtual bool try_music (Music* req_l);
- virtual void stop_translation_timestep ();
- virtual void create_audio_elements ();
-
+ void stop_translation_timestep ();
+ void process_music ();
+ void listen_lyric (Stream_event *);
private:
- Link_array<Lyric_req> lreq_arr_;
- Audio_text* audio_p_;
+ vector<Stream_event *> events_;
+ Audio_text *audio_;
};
-ADD_THIS_TRANSLATOR (Lyric_performer);
-
-Lyric_performer::Lyric_performer ()
+Lyric_performer::Lyric_performer (Context *c)
+ : Performer (c)
{
- audio_p_ = 0;
+ audio_ = 0;
}
-
void
-Lyric_performer::create_audio_elements ()
+Lyric_performer::process_music ()
{
// FIXME: won't work with fancy lyrics
- if (lreq_arr_.size ()
- && gh_string_p (lreq_arr_[0]->get_mus_property ("text"))
- && ly_scm2string (lreq_arr_[0]->get_mus_property ("text")).length_i ())
+ if (events_.size ()
+ && scm_is_string (events_[0]->get_property ("text"))
+ && ly_scm2string (events_[0]->get_property ("text")).length ())
{
- audio_p_ = new Audio_text (Audio_text::LYRIC,
- ly_scm2string (lreq_arr_[0]->get_mus_property ("text")));
- Audio_element_info info (audio_p_, lreq_arr_[0]);
+ audio_ = new Audio_text (Audio_text::LYRIC,
+ ly_scm2string (events_[0]->get_property ("text")));
+ Audio_element_info info (audio_, events_[0]);
announce_element (info);
}
- lreq_arr_.clear();
+ events_.clear ();
}
void
Lyric_performer::stop_translation_timestep ()
{
- if (audio_p_)
+ if (audio_)
{
- play_element (audio_p_);
- audio_p_ = 0;
+ audio_ = 0;
}
- lreq_arr_.clear();
+ events_.clear ();
}
-bool
-Lyric_performer::try_music (Music* req_l)
+void
+Lyric_performer::listen_lyric (Stream_event *event)
{
- if (Lyric_req *lr = dynamic_cast <Lyric_req *> (req_l))
- {
- lreq_arr_.push (lr);
- return true;
- }
- return false;
+ events_.push_back (event);
+}
+
+void
+Lyric_performer::boot ()
+{
+ ADD_LISTENER (Lyric_performer, lyric);
}
+ADD_TRANSLATOR (Lyric_performer,
+ /* doc */
+ "",
+
+ /* create */
+ "",
+
+ /* read */
+ "",
+
+ /* write */
+ ""
+ );