fix crash when copy'ing latent plugins

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

diff --git a/libs/ardour/ardour/automation_list.h b/libs/ardour/ardour/automation_list.h
index 69c8e38c9510771bdc4d0dc318c53129c5fc3e26..a57460c31bb5cde87831e34c2cff0c467617ed36 100644 (file)
--- a/libs/ardour/ardour/automation_list.h
+++ b/libs/ardour/ardour/automation_list.h
@@ -21,78 +21,119 @@
 #define __ardour_automation_event_h__
 
 #include <stdint.h>
+#include <cstdlib>
 #include <list>
 #include <cmath>
 
-#include <sigc++/signal.h>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
+
+#include "evoral/ControlList.hpp"
+#include "evoral/Parameter.hpp"
 
 #include "pbd/undo.h"
 #include "pbd/xml++.h"
 #include "pbd/statefuldestructible.h"
+#include "pbd/properties.h"
 
 #include "ardour/ardour.h"
 
-#include "evoral/ControlList.hpp"
-
 namespace ARDOUR {
 
-class AutomationList : public PBD::StatefulDestructible, public Evoral::ControlList
+class AutomationList;
+
+/** A SharedStatefulProperty for AutomationLists */
+class LIBARDOUR_API AutomationListProperty : public PBD::SharedStatefulProperty<AutomationList>
+{
+public:
+       AutomationListProperty (PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > d, Ptr p)
+               : PBD::SharedStatefulProperty<AutomationList> (d.property_id, p)
+       {}
+
+       AutomationListProperty (PBD::PropertyDescriptor<boost::shared_ptr<AutomationList> > d, Ptr o, Ptr c)
+               : PBD::SharedStatefulProperty<AutomationList> (d.property_id, o, c)
+       {}
+
+       PBD::PropertyBase* clone () const;
+
+private:
+       /* No copy-construction nor assignment */
+       AutomationListProperty (AutomationListProperty const &);
+       AutomationListProperty& operator= (AutomationListProperty const &);
+};
+
+/** AutomationList is a stateful wrapper around Evoral::ControlList.
+ * It includes session-specifics (such as automation state), control logic (e.g. touch, signals)
+ * and acts as proxy to the underlying ControlList which holds the actual data.
+ */
+class LIBARDOUR_API AutomationList : public PBD::StatefulDestructible, public Evoral::ControlList
 {
   public:
-       AutomationList (Evoral::Parameter id);
+       AutomationList (const Evoral::Parameter& id, const Evoral::ParameterDescriptor& desc);
+       AutomationList (const Evoral::Parameter& id);
        AutomationList (const XMLNode&, Evoral::Parameter id);
        AutomationList (const AutomationList&);
        AutomationList (const AutomationList&, double start, double end);
        ~AutomationList();
 
-       virtual boost::shared_ptr<Evoral::ControlList> create(Evoral::Parameter id);
+       virtual boost::shared_ptr<ControlList> create(const Evoral::Parameter&           id,
+                                                     const Evoral::ParameterDescriptor& desc);
 
        AutomationList& operator= (const AutomationList&);
-       bool operator== (const AutomationList&);
 
-       void freeze();
        void thaw ();
-       void mark_dirty () const;
 
        void set_automation_state (AutoState);
        AutoState automation_state() const { return _state; }
-       sigc::signal<void> automation_state_changed;
+       PBD::Signal1<void, AutoState> automation_state_changed;
 
        void set_automation_style (AutoStyle m);
        AutoStyle automation_style() const { return _style; }
-       sigc::signal<void> automation_style_changed;
+       PBD::Signal0<void> automation_style_changed;
 
        bool automation_playback() const {
-               return (_state & Play) || ((_state & Touch) && !_touching);
+               return (_state & Play) || ((_state & Touch) && !touching());
        }
        bool automation_write () const {
-               return (_state & Write) || ((_state & Touch) && _touching);
+               return ((_state & Write) || ((_state & Touch) && touching()));
        }
 
-       sigc::signal<void> StateChanged;
+       PBD::Signal0<void> StateChanged;
+
+       static PBD::Signal1<void,AutomationList*> AutomationListCreated;
 
-       static sigc::signal<void, AutomationList*> AutomationListCreated;
-       mutable sigc::signal<void> Dirty;
+       void start_write_pass (double when);
+       void write_pass_finished (double when, double thinning_factor=0.0);
 
-       void start_touch ();
-       void stop_touch ();
-       bool touching() const { return _touching; }
+       void start_touch (double when);
+       void stop_touch (bool mark, double when);
+        bool touching() const { return g_atomic_int_get (const_cast<gint*>(&_touching)); }
+       bool writing() const { return _state == Write; }
+       bool touch_enabled() const { return _state == Touch; }
 
-       XMLNode& get_state (); 
+       XMLNode& get_state ();
        int set_state (const XMLNode &, int version);
        XMLNode& state (bool full);
        XMLNode& serialize_events ();
 
+       Command* memento_command (XMLNode* before, XMLNode* after);
+
+       bool operator!= (const AutomationList &) const;
+
+       XMLNode* before () { XMLNode* rv = _before; _before = 0; return rv; }
+       void clear_history ();
   private:
        void create_curve_if_necessary ();
        int deserialize_events (const XMLNode&);
 
        void maybe_signal_changed ();
 
-       AutoState _state;
-       AutoStyle _style;
-       bool      _touching;
+       AutoState    _state;
+       AutoStyle    _style;
+       gint         _touching;
+
+       bool operator== (const AutomationList&) const { /* not called */ abort(); return false; }
+       XMLNode* _before; //used for undo of touch start/stop pairs.
+
 };
 
 } // namespace