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/*
Copyright (C) 2002 Paul Davis
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_automation_event_h__
#define __ardour_automation_event_h__
#include <stdint.h>
#include <cstdlib>
#include <list>
#include <cmath>
#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"
namespace ARDOUR {
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 (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<ControlList> create(const Evoral::Parameter& id,
const Evoral::ParameterDescriptor& desc);
AutomationList& operator= (const AutomationList&);
void thaw ();
void set_automation_state (AutoState);
AutoState automation_state() const { return _state; }
PBD::Signal1<void, AutoState> automation_state_changed;
void set_automation_style (AutoStyle m);
AutoStyle automation_style() const { return _style; }
PBD::Signal0<void> automation_style_changed;
bool automation_playback() const {
return (_state & Play) || ((_state & Touch) && !touching());
}
bool automation_write () const {
return ((_state & Write) || ((_state & Touch) && touching()));
}
PBD::Signal0<void> StateChanged;
static PBD::Signal1<void,AutomationList*> AutomationListCreated;
void start_write_pass (double when);
void write_pass_finished (double when, double thinning_factor=0.0);
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 ();
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;
gint _touching;
bool operator== (const AutomationList&) const { /* not called */ abort(); return false; }
XMLNode* _before; //used for undo of touch start/stop pairs.
};
} // namespace
#endif /* __ardour_automation_event_h__ */
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