ControlSet.h

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/*
 * Copyright (C) 2008-2015 David Robillard <d@drobilla.net>
 * Copyright (C) 2010-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2010 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2015 Robin Gareus <robin@gareus.org>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef EVORAL_CONTROLLABLE_HPP
#define EVORAL_CONTROLLABLE_HPP
 
#include <set>
#include <map>
#include <memory>
 
#include <boost/noncopyable.hpp>
 
#include "pbd/mutex.h"
#include "pbd/signals.h"
 
#include "temporal/domain_swap.h"
#include "temporal/types.h"
 
#include "evoral/visibility.h"
#include "evoral/Parameter.h"
#include "evoral/ControlList.h"
 
namespace Evoral {
 
class Control;
class ControlEvent;
 
class LIBEVORAL_API ControlSet : public boost::noncopyable, public Temporal::TimeDomainSwapper
{
public:
        ControlSet ();
        ControlSet (const ControlSet&);
        virtual ~ControlSet() {}
 
        virtual std::shared_ptr<Evoral::Control> control_factory(const Evoral::Parameter& id) = 0;
 
        std::shared_ptr<Control>
        control (const Parameter& id, bool create_if_missing=false);
 
        inline std::shared_ptr<const Control>
        control (const Parameter& id) const {
                const Controls::const_iterator i = _controls.find(id);
                return (i != _controls.end() ? i->second : std::shared_ptr<Control>());
        }
 
        typedef std::map< Parameter, std::shared_ptr<Control> > Controls;
        inline Controls&       controls()       { return _controls; }
        inline const Controls& controls() const { return _controls; }
 
        virtual void add_control(std::shared_ptr<Control>);
 
        virtual bool controls_empty() const { return _controls.size() == 0; }
        virtual void clear_controls();
 
        void what_has_data(std::set<Parameter>&) const;
 
        PBD::Mutex& control_lock() const { return _control_lock; }
 
        void start_domain_bounce (Temporal::DomainBounceInfo&);
        void finish_domain_bounce (Temporal::DomainBounceInfo&);
 
protected:
        virtual void control_list_marked_dirty () {}
        virtual void control_list_interpolation_changed (Parameter const&, ControlList::InterpolationStyle) {}
 
        mutable PBD::Mutex _control_lock;
        Controls            _controls;
 
        PBD::ScopedConnectionList _list_connections;
 
private:
 
        PBD::ScopedConnectionList _control_connections;
};
 
 
} // namespace Evoral
 
#endif // EVORAL_CONTROLLABLE_HPP