/* -*- mode: c; style: linux -*- */

/* location.h
 * Copyright (C) 2000 Helix Code, Inc.
 *
 * Written by Bradford Hovinen (hovinen@helixcode.com)
 *
 * This program 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, or (at your option)
 * any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifndef __LOCATION_H
#define __LOCATION_H

#include <gnome.h>

#include "config-log.h"

#define LOCATION(obj)          GTK_CHECK_CAST (obj, location_get_type (), Location)
#define LOCATION_CLASS(klass)  GTK_CHECK_CLASS_CAST (klass, location_get_type (), LocationClass)
#define IS_LOCATION(obj)       GTK_CHECK_TYPE (obj, location_get_type ())

typedef struct _LocationClass LocationClass;
typedef struct _LocationPrivate LocationPrivate;
typedef struct _Archive Archive;

typedef int (*LocationBackendCB) (Location *, gchar *, gpointer);

struct _Location 
{
	GtkObject object;

	LocationPrivate *p;
};

struct _LocationClass 
{
	GtkObjectClass parent;
};

guint location_get_type (void);

GtkObject *location_new            (Archive *archive, 
				    const gchar *locid, 
				    Location *inherits);
GtkObject *location_open           (Archive *archive, 
				    const gchar *locid);

void location_close                (Location *location);
void location_delete               (Location *location);

void location_store                (Location *location, 
				    gchar *backend_id, 
				    FILE *input);

void location_rollback_backend_to  (Location *location,
				    struct tm *date, 
				    gchar *backend_id,
				    gboolean parent_chain);
void location_rollback_backends_to (Location *location,
				    struct tm *date,
				    GList *backends,
				    gboolean parent_chain);
void location_rollback_all_to      (Location *location,
				    struct tm *date,
				    gboolean parent_chain);

void location_rollback_backend_by  (Location *location,
				    guint steps, 
				    gchar *backend_id,
				    gboolean parent_chain);

void location_rollback_id          (Location *location,
				    gint id);

void location_dump_rollback_data   (Location *location,
				    struct tm *date,
				    guint steps,
				    gchar *backend_id,
				    gboolean parent_chain,
				    FILE *output);

gboolean location_contains         (Location *location, gchar *backend_id);
gint location_add_backend          (Location *location, gchar *backend_id);
void location_remove_backend       (Location *location, gchar *backend_id);

void location_foreach_backend      (Location *location,
				    LocationBackendCB callback,
				    gpointer data);

GList *location_find_path_from_common_parent (Location *location, 
					      Location *location2);

Location *location_get_parent      (Location *location);
const gchar *location_get_path     (Location *location);
const gchar *location_get_label    (Location *location);
const gchar *location_get_id       (Location *location);

void location_set_id               (Location *location, const gchar *locid);

#endif /* __LOCATION */