/*
 * Copyright (C) 2007 Intel Ltd
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as 
 * published by the Free Software Foundation.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Authored by Neil Jagdish Patel <njp@o-hand.com>
 *
 */

/* This is a utility ClutterBehaviour-derived class, in which you can set the
   alphanotify function. It is useful for situations where you do not need the
   full capabilities of the ClutterBehvaiour class, you just want a function to
   be called for each iteration along the timeline
*/

#ifndef _LAUNCHER_BEHAVE_H_
#define _LAUNCHER_BEHAVE_H_

#include <glib-object.h>
#include <clutter/clutter.h>

#define LAUNCHER_TYPE_BEHAVE (launcher_behave_get_type ())

#define LAUNCHER_BEHAVE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),\
	LAUNCHER_TYPE_BEHAVE, LauncherBehave))

#define LAUNCHER_BEHAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass),\
	LAUNCHER_TYPE_BEHAVE, LauncherBehaveClass))

#define CLUTTER_IS_BEHAVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),\
	LAUNCHER_TYPE_BEHAVE))

#define CLUTTER_IS_BEHAVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),\
	LAUNCHER_TYPE_BEHAVE))

#define LAUNCHER_BEHAVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
	LAUNCHER_TYPE_BEHAVE, LauncherBehaveClass))

typedef struct _LauncherBehave        LauncherBehave;
typedef struct _LauncherBehaveClass   LauncherBehaveClass;
typedef struct _LauncherBehavePrivate LauncherBehavePrivate;
 
struct _LauncherBehave
{
  ClutterBehaviour        parent;	
};

struct _LauncherBehaveClass
{
  ClutterBehaviourClass   parent_class;
};

typedef void (*LauncherBehaveAlphaFunc) (ClutterBehaviour *behave, 
                                      guint32 		      alpha_value,
                                      gpointer		      data);

GType launcher_behave_get_type (void) G_GNUC_CONST;

ClutterBehaviour* 
launcher_behave_new (ClutterAlpha         *alpha, 
                  LauncherBehaveAlphaFunc  func,
                  gpointer		          data);


typedef struct _LauncherTextColourPair LauncherTextColourPair;

struct _LauncherTextColourPair
{
  ClutterColor *from;
  ClutterColor *to;
};

void
launcher_colour_behaviour(ClutterBehaviour *behave,
                          guint32          alpha_value,
                          gpointer         data);

#endif /* _LAUNCHER_BEHAVE_H_ */