/*
 * JFugue, an Application Programming Interface (API) for Music Programming
 * http://www.jfugue.org
 *
 * Copyright (C) 2003-2014 David Koelle
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jfugue.tools;

import org.jfugue.midi.MidiDefaults;
import org.jfugue.parser.ParserListenerAdapter;
import org.jfugue.theory.Note;

/**
 * @author David Koelle
 * @version 5.0
 */
public class ComputeDurationForEachTrackTool extends ParserListenerAdapter
{
    private double[] durations;
    private double durationOfCurrentFirstNote;
    private int currentTrack;

    public ComputeDurationForEachTrackTool()
    {
        durations = new double[MidiDefaults.TRACKS];
        currentTrack = 0;
    }

    @Override
    public void onTrackChanged(byte track) {
        this.currentTrack = track;
    }
   
    @Override
    public void onNoteParsed(Note note) {
        if (note.isFirstNote()) {
            this.durationOfCurrentFirstNote = note.getDuration();
            durations[currentTrack] += note.getDuration();
        }
//        if (note.isHarmonicNote()) {
//            
//        }
        durations[currentTrack] += note.getDuration();
    }
    
    public double[] getDurations() {
        return this.durations;
    }
}