import java.io.File;
import scala.swing._;

import org.gstreamer.Gst;
import org.gstreamer.State;
import org.gstreamer.elements.PlayBin;
import org.gstreamer.swing.VideoComponent;
import org.gstreamer.Bus;
import org.gstreamer.GstObject;
import java.util.concurrent.TimeUnit;
import javax.swing.Timer;
import java.lang.Math;
import java.awt.event._;

object VideoPlayer {
  def rand = (Math.random * 500).asInstanceOf[Int]
  def randSeek = (Math.random * 90000).asInstanceOf[Int]
  var t : Timer = null
  var playBin : PlayBin = null
  var rand1 = 500
  var rand2 = 1

  def setNewTimer : Timer = {
    if (Math.random() < 0.2) {
      rand1 = rand
      rand2 = randSeek
    }
    new Timer(rand1, new ActionListener() {
      def actionPerformed(e: ActionEvent) {
        playBin.seek(rand2, TimeUnit.MILLISECONDS )
        t.stop
        t = setNewTimer
        t.start
      }
    });
  }
  def main(args : Array[String]) {
    val gstArgs = Gst.init("VideoPlayer", args)
    playBin = new PlayBin("VideoPlayer")
    playBin.setInputFile(new File(gstArgs(0)))

    Swing.onEDT {
      val videoComponent = new VideoComponent;
      playBin.setVideoSink(videoComponent.getElement)

      val panel = new BorderPanel {
        add(Component.wrap(videoComponent), BorderPanel.Position.Center)
      }
      val frame = new MainFrame {
        title = "VideoPlayer"
        preferredSize = new Dimension(320, 240)
        contents = panel
        open
      }
      var i = 0
      var count = 0;
      t = setNewTimer
      t.start
      playBin.setState(State.PLAYING)
    }

    Gst.main
    playBin.setState(State.NULL)
  }
}