PositionReachedCondition.java

/*
 * This file is part of VLCJ.
 *
 * VLCJ 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.
 *
 * VLCJ 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 VLCJ.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright 2009-2016 Caprica Software Limited.
 */

package uk.co.caprica.vlcj.player.condition.conditions;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import uk.co.caprica.vlcj.player.MediaPlayer;
import uk.co.caprica.vlcj.player.condition.DefaultCondition;

/**
 * Implementation of a condition that waits for the media player to report that
 * it has reached/passed a particular position.
 */
public class PositionReachedCondition extends DefaultCondition<Float> {

    /**
     * Log.
     */
    private final Logger logger = LoggerFactory.getLogger(PositionReachedCondition.class);

    /**
     * Target position (percentage, 0.0 to 1.0).
     */
    protected final float targetPosition;

    /**
     * Create a condition.
     *
     * @param mediaPlayer media player
     * @param targetPosition target position (percentage, 0.0 to 1.0)
     */
    public PositionReachedCondition(MediaPlayer mediaPlayer, float targetPosition) {
        super(mediaPlayer);
        this.targetPosition = targetPosition;
    }

    @Override
    public void positionChanged(MediaPlayer mediaPlayer, float newPosition) {
        if(newPosition >= targetPosition) {
            logger.debug("Target position {} reached", targetPosition);
            ready(targetPosition);
        }
    }
}