/* GStreamer Editing Services
 * Copyright (C) 2009 Edward Hervey <bilboed@bilboed.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "ges-timeline.h"

/**
 * GESTimelinePipeline
 *
 * Top-level container for pipelines
 * 
 * Contains a list of TimelineLayer which users should use to arrange the
 * various timeline objects.
 *
 */

G_DEFINE_TYPE (GESTimeline, ges_timeline, GST_TYPE_BIN)

#define GET_PRIVATE(o) \
  (G_TYPE_INSTANCE_GET_PRIVATE ((o), GES_TYPE_TIMELINE, GESTimelinePrivate))

typedef struct _GESTimelinePrivate GESTimelinePrivate;

struct _GESTimelinePrivate {
  GList *tracks;	/* TimelineTracks */
};

static void
ges_timeline_get_property (GObject *object, guint property_id,
                              GValue *value, GParamSpec *pspec)
{
  switch (property_id) {
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}

static void
ges_timeline_set_property (GObject *object, guint property_id,
                              const GValue *value, GParamSpec *pspec)
{
  switch (property_id) {
  default:
    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
  }
}

static void
ges_timeline_dispose (GObject *object)
{
  G_OBJECT_CLASS (ges_timeline_parent_class)->dispose (object);
}

static void
ges_timeline_finalize (GObject *object)
{
  G_OBJECT_CLASS (ges_timeline_parent_class)->finalize (object);
}

static void
ges_timeline_class_init (GESTimelineClass *klass)
{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);

  g_type_class_add_private (klass, sizeof (GESTimelinePrivate));

  object_class->get_property = ges_timeline_get_property;
  object_class->set_property = ges_timeline_set_property;
  object_class->dispose = ges_timeline_dispose;
  object_class->finalize = ges_timeline_finalize;
}

static void
ges_timeline_init (GESTimeline *self)
{
  self->layers = NULL;
  self->tracks = NULL;
}

GESTimeline*
ges_timeline_new (void)
{
  return g_object_new (GES_TYPE_TIMELINE, NULL);
}

GESTimeline*
ges_timeline_load_from_uri (gchar *uri)
{
  /* FIXME : IMPLEMENT */
  return NULL;
}

gboolean
ges_timeline_save (GESTimeline *timeline, gchar *uri)
{
  /* FIXME : IMPLEMENT */
  return FALSE;
}

gboolean
ges_timeline_add_layer (GESTimeline *timeline, GESTimelineLayer *layer)
{
  /* FIXME : IMPLEMENT */

  /* Add to the list of layers, make sure we don't already control it */

  /* Assign Tracks to it */

  return FALSE;
}

gboolean
ges_timeline_remove_layer (GESTimeline *timeline, GESTimelineLayer *layer)
{
  /* FIXME : IMPLEMENT */

  /* Unassign tracks from the given layer */
  return FALSE;
}

gboolean
ges_timeline_add_track (GESTimeline *timeline, GESTrack *track)
{
  /* FIXME : IMPLEMENT */

  /* Add to the list of tracks, make sure we don't already control it */


  return FALSE;
}
gboolean
ges_timeline_remove_track (GESTimeline *timeline, GESTrack *track)
{
  /* FIXME : IMPLEMENT */

  /* Signal track removal to all layers/objects */

  /* */
}