BushidoInternalButtonPressListener.java

/*
*    Copyright (c) 2013, Will Szumski
*    Copyright (c) 2013, Doug Szumski
*
*    This file is part of Cyclismo.
*
*    Cyclismo 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.
*
*    Cyclismo 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 Cyclismo.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.cowboycoders.turbotrainers.bushido.headunit;


import org.cowboycoders.ant.events.BroadcastListener;
import org.cowboycoders.ant.messages.data.AcknowledgedDataMessage;
import org.cowboycoders.turbotrainers.bushido.headunit.BushidoButtonPressDescriptor.Button;

import java.util.HashMap;
import java.util.Map;

import static org.cowboycoders.ant.utils.ArrayUtils.arrayStartsWith;

class BushidoInternalButtonPressListener implements BroadcastListener<AcknowledgedDataMessage> {
  Byte[] data;
  public static Byte[] BUTTON_PRESS_SIGNATURE = {(byte) 0xdd, 0x10};
  public static int BUTTON_PRESS_INDEX = 2;
  private BushidoInternalListener bushidoListener;

  public BushidoInternalButtonPressListener(BushidoInternalListener bushidoListener) {
    this.bushidoListener = bushidoListener;
    initDispatcherMap();
  }

  private Map<Button, ButtonPressDispatcher> dispatcherMap = new HashMap<Button,
      ButtonPressDispatcher>();

  public void initDispatcherMap() {
    for (Button b : Button.values()) {
      dispatcherMap.put(b, new ButtonPressDispatcher(bushidoListener));
    }
  }


  @Override
  public void receiveMessage(AcknowledgedDataMessage message) {
    data = message.getData();
    if (arrayStartsWith(BUTTON_PRESS_SIGNATURE, data)) {
      BushidoButtonPressDescriptor descriptor = BushidoButtonPressDescriptor.fromByte
          (data[BUTTON_PRESS_INDEX]);
      if (descriptor != null) {
        dispatcherMap.get(descriptor.getButton()).submitButtonPress(descriptor);
      }
    }
  }


}