/*
 * e-extensible.h
 *
 * This program 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) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 */

#if !defined (__LIBEBACKEND_H_INSIDE__) && !defined (LIBEBACKEND_COMPILATION)
#error "Only <libebackend/libebackend.h> should be included directly."
#endif

#ifndef E_EXTENSIBLE_H
#define E_EXTENSIBLE_H

#include <glib-object.h>

/* Standard GObject macros */
#define E_TYPE_EXTENSIBLE \
	(e_extensible_get_type ())
#define E_EXTENSIBLE(obj) \
	(G_TYPE_CHECK_INSTANCE_CAST \
	((obj), E_TYPE_EXTENSIBLE, EExtensible))
#define E_EXTENSIBLE_INTERFACE(cls) \
	(G_TYPE_CHECK_CLASS_CAST \
	((cls), E_TYPE_EXTENSIBLE, EExtensibleInterface))
#define E_IS_EXTENSIBLE(obj) \
	(G_TYPE_CHECK_INSTANCE_TYPE \
	((obj), E_TYPE_EXTENSIBLE))
#define E_IS_EXTENSIBLE_INTERFACE(cls) \
	(G_TYPE_CHECK_CLASS_TYPE \
	((cls), E_TYPE_EXTENSIBLE))
#define E_EXTENSIBLE_GET_INTERFACE(obj) \
	(G_TYPE_INSTANCE_GET_INTERFACE \
	((obj), E_TYPE_EXTENSIBLE, EExtensibleInterface))

G_BEGIN_DECLS

typedef struct _EExtensible EExtensible;
typedef struct _EExtensibleInterface EExtensibleInterface;

struct _EExtensibleInterface {
	GTypeInterface parent_interface;
};

GType		e_extensible_get_type		(void) G_GNUC_CONST;
void		e_extensible_load_extensions	(EExtensible *extensible);
GList *		e_extensible_list_extensions	(EExtensible *extensible,
						 GType extension_type);

G_END_DECLS

#endif /* E_EXTENSIBLE_H */
