/*
**  Xbox360 USB Gamepad Userspace Driver
**  Copyright (C) 2011 Ingo Ruhnke <grumbel@gmail.com>
**
**  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 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 General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include "buttonfilter/toggle_button_filter.hpp"

#include <string>

ToggleButtonFilter::ToggleButtonFilter()
    : m_state(false), m_last_value(false) {}

bool ToggleButtonFilter::filter(bool value) {
  if (value != m_last_value) {
    if (value) {
      m_state = !m_state;
    }

    m_last_value = value;
  }
  return m_state;
}

std::string ToggleButtonFilter::str() const { return "toggle"; }

/* EOF */
