From e466736e2d11459a0bbc403ece5ed26733658436 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 8 Apr 2022 11:56:24 -0600
Subject: [PATCH] temporal: remove MementoBinder API for tempo map undo/redo

---
 libs/temporal/tempo.cc         | 11 -----------
 libs/temporal/temporal/tempo.h |  9 ---------
 2 files changed, 20 deletions(-)

diff --git a/libs/temporal/tempo.cc b/libs/temporal/tempo.cc
index 0f982bc604..539765ba62 100644
--- a/libs/temporal/tempo.cc
+++ b/libs/temporal/tempo.cc
@@ -3179,17 +3179,6 @@ TempoMap::twist_tempi (TempoSection* ts, const Tempo& bpm, const framepos_t fram
 
 #endif
 
-void
-TempoMap::MementoBinder::set_state (XMLNode const & node, int version) const
-{
-	/* fetch a writable copy of this thread's tempo map */
-	TempoMap::WritableSharedPtr map (write_copy());
-	/* change the state of the copy */
-	map->set_state (node, version);
-	/* do the update step of RCU. This will also update this thread's map pointer */
-	update (map);
-}
-
 void
 TempoMap::init ()
 {
diff --git a/libs/temporal/temporal/tempo.h b/libs/temporal/temporal/tempo.h
index 6825d83218..2f395506c8 100644
--- a/libs/temporal/temporal/tempo.h
+++ b/libs/temporal/temporal/tempo.h
@@ -870,15 +870,6 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
 
 	LIBTEMPORAL_API XMLNode& get_state() const;
 
-	class MementoBinder : public MementoCommandBinder<TempoMap> {
-  public:
-		LIBTEMPORAL_API MementoBinder () {}
-		LIBTEMPORAL_API void set_state (XMLNode const & node, int version) const;
-		LIBTEMPORAL_API XMLNode& get_state () const { return TempoMap::use()->get_state(); }
-		LIBTEMPORAL_API std::string type_name() const { return "Temporal::TempoMap"; }
-		LIBTEMPORAL_API void add_state (XMLNode*) {}
-	};
-
 	typedef boost::intrusive::list<TempoPoint, boost::intrusive::base_hook<tempo_hook>> Tempos;
 	typedef boost::intrusive::list<MeterPoint, boost::intrusive::base_hook<meter_hook>> Meters;
 	typedef boost::intrusive::list<MusicTimePoint, boost::intrusive::base_hook<bartime_hook>> MusicTimes;