/* This file is part of Patchage.
 * Copyright 2007-2020 David Robillard <d@drobilla.net>
 *
 * Patchage 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 3 of the License, or (at your option)
 * any later version.
 *
 * Patchage 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 details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Patchage.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef PATCHAGE_DRIVER_HPP
#define PATCHAGE_DRIVER_HPP

#include "PatchageEvent.hpp"

#include <sigc++/sigc++.h>

class PatchagePort;
class PatchageCanvas;

/** Trival driver base class */
class Driver
{
public:
	Driver() = default;

	Driver(const Driver&) = delete;
	Driver& operator=(const Driver&) = delete;

	Driver(Driver&&) = delete;
	Driver& operator=(Driver&&) = delete;

	virtual ~Driver() = default;

	virtual void process_events(Patchage* app) = 0;

	virtual void attach(bool launch_daemon) = 0;
	virtual void detach()                   = 0;
	virtual bool is_attached() const        = 0;

	virtual void refresh()     = 0;
	virtual void destroy_all() = 0;

	virtual PatchagePort*
	create_port_view(Patchage* patchage, const PortID& id) = 0;

	virtual bool connect(PatchagePort* src_port, PatchagePort* dst_port) = 0;

	virtual bool disconnect(PatchagePort* src_port, PatchagePort* dst_port) = 0;

	sigc::signal<void> signal_attached;
	sigc::signal<void> signal_detached;
};

#endif // PATCHAGE_DRIVER_HPP