QuickScreenJob.java

/*
    This file is part of JFLICKS.

    JFLICKS 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.

    JFLICKS 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 JFLICKS.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.jflicks.ui.view.metadata;

import java.io.File;
import java.io.IOException;

import org.jflicks.job.AbstractJob;
import org.jflicks.job.JobContainer;
import org.jflicks.job.JobEvent;
import org.jflicks.job.JobListener;
import org.jflicks.job.JobManager;
import org.jflicks.nms.Video;

/**
 * A job that creates images from a video file.
 *
 * @author Doug Barnum
 * @version 1.0
 */
public class QuickScreenJob extends AbstractJob implements JobListener {

    private Video video;
    private File imageFile;

    /**
     * Constructor with 1 required argument.
     *
     * @param v A Video instance.
     */
    public QuickScreenJob(Video v) {

        setVideo(v);
    }

    private Video getVideo() {
        return (video);
    }

    private void setVideo(Video v) {
        video = v;
    }

    /**
     * Access the image file generated using a File instance.
     *
     * @return A File instance.
     */
    public File getImageFile() {
        return (imageFile);
    }

    private void setImageFile(File f) {
        imageFile = f;
    }

    /**
     * {@inheritDoc}
     */
    public void start() {

        Video v = getVideo();
        if (v != null) {

            try {

                File tmp = File.createTempFile("generate", ".png");
                setImageFile(tmp);
                ThumbnailerJob job =
                    new ThumbnailerJob(v.getPath(), tmp.getPath(), 300);
                job.addJobListener(this);
                JobContainer jc = JobManager.getJobContainer(job);
                jc.start();
                setTerminate(false);

            } catch (IOException ex) {
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    public void run() {

        while (!isTerminate()) {

            JobManager.sleep(getSleepTime());
        }

        fireJobEvent(JobEvent.COMPLETE);
    }

    /**
     * {@inheritDoc}
     */
    public void stop() {

        setTerminate(true);
    }

    /**
     * {@inheritDoc}
     */
    public void jobUpdate(JobEvent event) {

        if (event.getType() == JobEvent.COMPLETE) {

            stop();
        }
    }

}