vca_manager.h

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/*
 * Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2017-2019 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.
 */
 
#pragma once
 
#include <string>
#include <list>
 
#include <memory>
 
#include "pbd/mutex.h"
#include "pbd/signals.h"
#include "pbd/statefuldestructible.h"
 
#include "ardour/session_handle.h"
#include "ardour/types.h"
#include "ardour/libardour_visibility.h"
 
namespace ARDOUR {
 
class VCA;
 
class LIBARDOUR_API VCAManager : public SessionHandleRef, public PBD::StatefulDestructible
{
public:
        VCAManager (ARDOUR::Session&);
        ~VCAManager ();
 
        VCAList create_vca (uint32_t how_many, std::string const & name = std::string());
        void remove_vca (std::shared_ptr<VCA>);
 
        std::shared_ptr<VCA> vca_by_number(int32_t) const;
        std::shared_ptr<VCA> vca_by_name (std::string const&) const;
 
        VCAList vcas() const;
        VCAList::size_type n_vcas() const { return _vcas.size(); }
 
        PBD::Signal<void(VCAList&)> VCAAdded;
        PBD::Signal<void()> VCACreated; /*<< is not emitted during set_state */
 
        XMLNode& get_state() const;
        int set_state (XMLNode const&, int version);
 
        bool vcas_loaded() const { return _vcas_loaded; }
        void clear_all_solo_state ();
 
        static std::string xml_node_name;
 
private:
        mutable PBD::Mutex lock;
        VCAList _vcas;
        bool _vcas_loaded;
 
        void clear ();
};
 
} // namespace