/*
 * Copyright (C) 2009, Nokia <ivan.frade@nokia.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA.
 */

#ifndef __TRACKER_WRITEBACK_MODULE_H__
#define __TRACKER_WRITEBACK_MODULE_H__

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

#include <libtracker-sparql/tracker-sparql.h>

G_BEGIN_DECLS

#define TRACKER_TYPE_WRITEBACK_MODULE    (tracker_writeback_module_get_type ())
#define TRACKER_WRITEBACK_MODULE(module) (G_TYPE_CHECK_INSTANCE_CAST ((module), TRACKER_TYPE_WRITEBACK_MODULE, TrackerWritebackModule))

#define TRACKER_TYPE_WRITEBACK         (tracker_writeback_get_type())
#define TRACKER_WRITEBACK(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), TRACKER_TYPE_WRITEBACK, TrackerWriteback))
#define TRACKER_WRITEBACK_CLASS(c)     (G_TYPE_CHECK_CLASS_CAST ((c), TRACKER_TYPE_WRITEBACK, TrackerWritebackClass))
#define TRACKER_IS_WRITEBACK(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), TRACKER_TYPE_WRITEBACK))
#define TRACKER_IS_WRITEBACK_CLASS(c)  (G_TYPE_CHECK_CLASS_TYPE ((c),  TRACKER_TYPE_WRITEBACK))
#define TRACKER_WRITEBACK_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), TRACKER_TYPE_WRITEBACK, TrackerWritebackClass))

typedef struct TrackerWriteback TrackerWriteback;
typedef struct TrackerWritebackClass TrackerWritebackClass;
typedef struct TrackerWritebackModule TrackerWritebackModule;
typedef struct TrackerWritebackModuleClass TrackerWritebackModuleClass;

struct TrackerWriteback {
	GObject parent_instance;
};

struct TrackerWritebackClass {
	GObjectClass parent_class;

	gboolean (* write_metadata)  (TrackerWriteback         *writeback,
	                              TrackerResource          *resource,
	                              GCancellable             *cancellable,
	                              GError                  **error);
};

struct TrackerWritebackModule {
	GTypeModule parent_instance;

	GModule *module;
	gchar *name;

	TrackerWriteback *    (* create)        (GTypeModule *module);
	const gchar * const * (* get_rdf_types) (void);
};

struct TrackerWritebackModuleClass {
	GTypeModuleClass parent_class;
};

GType                   tracker_writeback_get_type          (void) G_GNUC_CONST;
gboolean                tracker_writeback_write_metadata    (TrackerWriteback  *writeback,
                                                             TrackerResource   *resource,
                                                             GCancellable      *cancellable,
                                                             GError           **error);

/* Entry functions to be defined by modules */
TrackerWriteback *      writeback_module_create             (GTypeModule              *module);
const gchar * const *   writeback_module_get_rdf_types      (void);

GType                   tracker_writeback_module_get_type      (void) G_GNUC_CONST;

TrackerWritebackModule *tracker_writeback_module_get           (const gchar             *name);
TrackerWriteback *      tracker_writeback_module_create        (TrackerWritebackModule  *module);
const gchar * const *   tracker_writeback_module_get_rdf_types (TrackerWritebackModule  *module);
GList *                 tracker_writeback_modules_list         (void);

G_END_DECLS

#endif /* __TRACKER_WRITEBACK_MODULE_H__ */
