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/*
Copyright (C) 2000-2007 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_automatable_h__
#define __ardour_automatable_h__
#include <map>
#include <set>
#include <string>
#include <boost/shared_ptr.hpp>
#include "pbd/signals.h"
#include "evoral/ControlSet.hpp"
#include "ardour/types.h"
class XMLNode;
namespace ARDOUR {
class Session;
class AutomationControl;
/** Note this class is abstract, actual objects must either be
* an AutomatableControls or an AutomatableSequence
*/
class Automatable : virtual public Evoral::ControlSet
{
public:
Automatable(Session&);
Automatable (const Automatable& other);
virtual ~Automatable() {}
boost::shared_ptr<Evoral::Control>
control_factory(const Evoral::Parameter& id);
boost::shared_ptr<AutomationControl>
automation_control (const Evoral::Parameter& id, bool create_if_missing=false);
boost::shared_ptr<const AutomationControl>
automation_control (const Evoral::Parameter& id) const;
virtual void add_control(boost::shared_ptr<Evoral::Control>);
void clear_controls ();
virtual void automation_snapshot (framepos_t now, bool force);
virtual void transport_stopped (framepos_t now);
virtual std::string describe_parameter(Evoral::Parameter param);
virtual std::string value_as_string (boost::shared_ptr<AutomationControl>) const;
AutoState get_parameter_automation_state (Evoral::Parameter param);
virtual void set_parameter_automation_state (Evoral::Parameter param, AutoState);
AutoStyle get_parameter_automation_style (Evoral::Parameter param);
void set_parameter_automation_style (Evoral::Parameter param, AutoStyle);
void protect_automation ();
void what_has_visible_data(std::set<Evoral::Parameter>&) const;
const std::set<Evoral::Parameter>& what_can_be_automated() const { return _can_automate_list; }
void mark_automation_visible(Evoral::Parameter, bool);
inline bool should_snapshot (framepos_t now) {
return (_last_automation_snapshot > now
|| (now - _last_automation_snapshot) > _automation_interval);
}
static void set_automation_interval (framecnt_t frames) {
_automation_interval = frames;
}
static framecnt_t automation_interval() {
return _automation_interval;
}
typedef Evoral::ControlSet::Controls Controls;
static const std::string xml_node_name;
int set_automation_xml_state (const XMLNode&, Evoral::Parameter default_param);
XMLNode& get_automation_xml_state();
protected:
Session& _a_session;
void can_automate(Evoral::Parameter);
virtual void automation_list_automation_state_changed (Evoral::Parameter, AutoState) {}
int load_automation (const std::string& path);
int old_set_automation_state(const XMLNode&);
std::set<Evoral::Parameter> _visible_controls;
std::set<Evoral::Parameter> _can_automate_list;
framepos_t _last_automation_snapshot;
static framecnt_t _automation_interval;
private:
PBD::ScopedConnectionList _control_connections; ///< connections to our controls' signals
};
} // namespace ARDOUR
#endif /* __ardour_automatable_h__ */
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