/elec/propeller-clock

/*

 * mode_base.h

 *

 * Copyright (C) 2011 Tim Marston <tim@ed.am> and Dan Marston.

 *

 * This file is part of propeller-clock (hereafter referred to as "this

 * program"). See http://ed.am/dev/software/arduino/propeller-clock for more

 * information.

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU Lesser General Public License as published

 * by the Free Software Foundation, either version 3 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 Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef _MODE_BASE_H_

#define _MODE_BASE_H_

class Drawer;

class ModeBase

{

public:

	/**

	 * Called to inform the mode that there has been a (short) button press.

	 */

	virtual void press() = 0;

	/**

	 * Called when this major mode is becoming active

	 */

	virtual void activate() = 0;

	/**

	 * Retrieve a drawer.

	 *

	 * @return drawer

	 */

	virtual Drawer &get_drawer() = 0;

};

#endif //_MODE_BASE_H_