/*
 * Clutter.
 *
 * An OpenGL based 'interactive canvas' library.
 *
 * Authored By: Emmanuele Bassi <ebassi@linux.intel.com>
 *
 * Copyright (C) 2009  Intel Corporation.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __CLUTTER_MASTER_CLOCK_H__
#define __CLUTTER_MASTER_CLOCK_H__

#include <clutter/clutter-timeline.h>

G_BEGIN_DECLS

#define CLUTTER_TYPE_MASTER_CLOCK               (_clutter_master_clock_get_type ())
#define CLUTTER_MASTER_CLOCK(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_MASTER_CLOCK, ClutterMasterClock))
#define CLUTTER_IS_MASTER_CLOCK(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_MASTER_CLOCK))
#define CLUTTER_MASTER_CLOCK_GET_IFACE(obj)     (G_TYPE_INSTANCE_GET_INTERFACE ((obj), CLUTTER_TYPE_MASTER_CLOCK, ClutterMasterClockIface))

typedef struct _ClutterMasterClock      ClutterMasterClock; /* dummy */
typedef struct _ClutterMasterClockIface ClutterMasterClockIface;

struct _ClutterMasterClockIface
{
  /*< private >*/
  GTypeInterface parent_iface;

  void (* add_timeline)           (ClutterMasterClock *master_clock,
                                   ClutterTimeline    *timeline);
  void (* remove_timeline)        (ClutterMasterClock *master_clock,
                                   ClutterTimeline    *timeline);
  void (* start_running)          (ClutterMasterClock *master_clock);
  void (* ensure_next_iteration)  (ClutterMasterClock *master_clock);
  void (* set_paused)             (ClutterMasterClock *master_clock,
                                   gboolean            paused);
};

GType _clutter_master_clock_get_type (void) G_GNUC_CONST;

ClutterMasterClock *    _clutter_master_clock_get_default               (void);
void                    _clutter_master_clock_add_timeline              (ClutterMasterClock *master_clock,
                                                                         ClutterTimeline    *timeline);
void                    _clutter_master_clock_remove_timeline           (ClutterMasterClock *master_clock,
                                                                         ClutterTimeline    *timeline);
void                    _clutter_master_clock_start_running             (ClutterMasterClock *master_clock);
void                    _clutter_master_clock_ensure_next_iteration     (ClutterMasterClock *master_clock);
void                    _clutter_master_clock_set_paused                (ClutterMasterClock *master_clock,
                                                                         gboolean            paused);

void                    _clutter_timeline_advance                       (ClutterTimeline    *timeline,
                                                                         gint64              tick_time);
gint64                  _clutter_timeline_get_delta                     (ClutterTimeline    *timeline);
void                    _clutter_timeline_do_tick                       (ClutterTimeline    *timeline,
                                                                         gint64              tick_time);

G_END_DECLS

#endif /* __CLUTTER_MASTER_CLOCK_H__ */
