#include <stdio.h>
#include <stdlib.h>
#include <clutter/clutter.h>

static gint level = 1;

static void
on_timeline_started (ClutterScore    *score,
                     ClutterTimeline *timeline)
{
  gint i;

  for (i = 0; i < level; i++)
    g_print (" ");

  g_print ("Started timeline: `%s'\n",
           g_object_get_data (G_OBJECT (timeline), "timeline-name"));

  level += 1;
}

static void
on_timeline_completed (ClutterScore    *score,
                       ClutterTimeline *timeline)
{
  gint i;

  level -= 1;

  for (i = 0; i < level; i++)
    g_print (" ");

  g_print ("Completed timeline: `%s'\n",
           g_object_get_data (G_OBJECT (timeline), "timeline-name"));
}

int
main (int argc, char **argv)
{
  ClutterScore    *score;
  ClutterTimeline *timeline_1;
  ClutterTimeline *timeline_2;
  ClutterTimeline *timeline_3;
  ClutterTimeline *timeline_4;

  clutter_init (&argc, &argv);

  timeline_1 = clutter_timeline_new (10, 120);
  g_object_set_data_full (G_OBJECT (timeline_1),
                          "timeline-name", g_strdup ("Timeline 1"),
                          g_free);

  timeline_2 = clutter_timeline_clone (timeline_1);
  g_object_set_data_full (G_OBJECT (timeline_2),
                          "timeline-name", g_strdup ("Timeline 2"),
                          g_free);

  timeline_3 = clutter_timeline_clone (timeline_1);
  g_object_set_data_full (G_OBJECT (timeline_3),
                          "timeline-name", g_strdup ("Timeline 3"),
                          g_free);

  timeline_4 = clutter_timeline_clone (timeline_1);
  g_object_set_data_full (G_OBJECT (timeline_4),
                          "timeline-name", g_strdup ("Timeline 4"),
                          g_free);


  score = clutter_score_new();
  g_signal_connect (score, "timeline-started",
                    G_CALLBACK (on_timeline_started),
                    NULL);
  g_signal_connect (score, "timeline-completed",
                    G_CALLBACK (on_timeline_completed),
                    NULL);
  g_signal_connect (score, "completed",
                    G_CALLBACK (clutter_main_quit),
                    NULL);

  clutter_score_append (score, NULL, timeline_1);
  clutter_score_append (score, timeline_1, timeline_2);
  clutter_score_append (score, timeline_1, timeline_3);
  clutter_score_append (score, timeline_3, timeline_4);

  clutter_score_start (score);

  clutter_main ();

  g_object_unref (score);
  g_object_unref (timeline_1);
  g_object_unref (timeline_2);
  g_object_unref (timeline_3);
  g_object_unref (timeline_4);

  return EXIT_SUCCESS;
}