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/*
* 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_
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