change API for GainControl, VCA and VCAManager

[ardour.git] / libs / ardour / ardour / gain_control.h

diff --git a/libs/ardour/ardour/gain_control.h b/libs/ardour/ardour/gain_control.h
index 7845679220f8fece5f738a1ccd0814c24739d682..93d9c4fec0280de0273592a0f747b2ff655c36f2 100644 (file)
--- a/libs/ardour/ardour/gain_control.h
+++ b/libs/ardour/ardour/gain_control.h
@@ -20,7 +20,7 @@
 #define __ardour_gain_control_h__
 
 #include <string>
-#include <list>
+#include <set>
 
 #include <boost/shared_ptr.hpp>
 #include <glibmm/threads.h>
@@ -54,20 +54,28 @@ class LIBARDOUR_API GainControl : public AutomationControl {
        double range_db;
 
        gain_t get_master_gain () const;
-       void add_master (boost::shared_ptr<GainControl>);
-       void remove_master (boost::shared_ptr<GainControl>);
+       void add_master (boost::shared_ptr<VCA>);
+       void remove_master (boost::shared_ptr<VCA>);
        void clear_masters ();
-       bool slaved_to (boost::shared_ptr<GainControl>) const;
+       bool slaved_to (boost::shared_ptr<VCA>) const;
+       std::vector<uint32_t> masters () const;
+
+       int set_state (XMLNode const&, int);
+       XMLNode& get_state();
 
   private:
        void _set_value (double val, PBD::Controllable::GroupControlDisposition group_override);
 
        mutable Glib::Threads::Mutex master_lock;
 
-       typedef std::list<boost::shared_ptr<GainControl> > Masters;
+       typedef std::set<boost::shared_ptr<GainControl> > Masters;
        Masters _masters;
+       PBD::ScopedConnectionList masters_connections;
+       std::set<uint32_t> _masters_numbers;
+       std::string _masters_state_string ();
 
        gain_t get_master_gain_locked () const;
+       void master_going_away (boost::weak_ptr<VCA>);
 };
 
 } /* namespace */