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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar - generic backend class
*
* Copyright (C) 2000 Ximian, Inc.
* Copyright (C) 2000 Ximian, Inc.
*
* Authors: Federico Mena-Quintero <federico@ximian.com>
* Rodrigo Moya <rodrigo@ximian.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 of the License, 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 CAL_BACKEND_H
#define CAL_BACKEND_H
#include <libgnome/gnome-defs.h>
#include <libgnomevfs/gnome-vfs.h>
#include <cal-util/cal-util.h>
#include <cal-util/cal-component.h>
#include "evolution-calendar.h"
#include "cal-common.h"
#include "cal.h"
BEGIN_GNOME_DECLS
#define CAL_BACKEND_TYPE (cal_backend_get_type ())
#define CAL_BACKEND(obj) (GTK_CHECK_CAST ((obj), CAL_BACKEND_TYPE, CalBackend))
#define CAL_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), CAL_BACKEND_TYPE, \
CalBackendClass))
#define IS_CAL_BACKEND(obj) (GTK_CHECK_TYPE ((obj), CAL_BACKEND_TYPE))
#define IS_CAL_BACKEND_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_BACKEND_TYPE))
/* Open status values */
typedef enum {
CAL_BACKEND_OPEN_SUCCESS, /* Loading OK */
CAL_BACKEND_OPEN_ERROR, /* We need better error reporting in libversit */
CAL_BACKEND_OPEN_NOT_FOUND
} CalBackendOpenStatus;
/* Result codes for ::get_alarms_in_range() */
typedef enum {
CAL_BACKEND_GET_ALARMS_SUCCESS,
CAL_BACKEND_GET_ALARMS_NOT_FOUND,
CAL_BACKEND_GET_ALARMS_INVALID_RANGE
} CalBackendGetAlarmsForObjectResult;
struct _CalBackend {
GtkObject object;
GList *clients;
};
struct _CalBackendClass {
GtkObjectClass parent_class;
/* Notification signals */
void (* last_client_gone) (CalBackend *backend);
void (* cal_added) (CalBackend *backend, Cal *cal);
void (* opened) (CalBackend *backend, CalBackendOpenStatus status);
void (* obj_updated) (CalBackend *backend, const char *uid);
void (* obj_removed) (CalBackend *backend, const char *uid);
/* Virtual methods */
GnomeVFSURI *(* get_uri) (CalBackend *backend);
CalBackendOpenStatus (* open) (CalBackend *backend, GnomeVFSURI *uri,
gboolean only_if_exists);
gboolean (* is_loaded) (CalBackend *backend);
/* General object acquirement and information related virtual methods */
int (* get_n_objects) (CalBackend *backend, CalObjType type);
char *(* get_object) (CalBackend *backend, const char *uid);
CalComponent *(* get_object_component) (CalBackend *backend, const char *uid);
char *(* get_timezone_object) (CalBackend *backend, const char *tzid);
GList *(* get_uids) (CalBackend *backend, CalObjType type);
GList *(* get_objects_in_range) (CalBackend *backend, CalObjType type,
time_t start, time_t end);
char *(* get_free_busy) (CalBackend *backend, time_t start, time_t end);
/* Change related virtual methods */
GNOME_Evolution_Calendar_CalObjChangeSeq * (* get_changes) (
CalBackend *backend, CalObjType type, const char *change_id);
/* Alarm related virtual methods */
GNOME_Evolution_Calendar_CalComponentAlarmsSeq *(* get_alarms_in_range) (
CalBackend *backend, time_t start, time_t end);
GNOME_Evolution_Calendar_CalComponentAlarms *(* get_alarms_for_object) (
CalBackend *backend, const char *uid,
time_t start, time_t end, gboolean *object_found);
/* Object manipulation virtual methods */
gboolean (* update_objects) (CalBackend *backend, const char *calobj);
gboolean (* remove_object) (CalBackend *backend, const char *uid);
/* Timezone related virtual methods */
icaltimezone *(* get_timezone) (CalBackend *backend, const char *tzid);
};
GtkType cal_backend_get_type (void);
GnomeVFSURI *cal_backend_get_uri (CalBackend *backend);
void cal_backend_add_cal (CalBackend *backend, Cal *cal);
CalBackendOpenStatus cal_backend_open (CalBackend *backend, GnomeVFSURI *uri,
gboolean only_if_exists);
gboolean cal_backend_is_loaded (CalBackend *backend);
int cal_backend_get_n_objects (CalBackend *backend, CalObjType type);
char *cal_backend_get_object (CalBackend *backend, const char *uid);
CalComponent *cal_backend_get_object_component (CalBackend *backend, const char *uid);
char *cal_backend_get_timezone_object (CalBackend *backend, const char *tzid);
CalObjType cal_backend_get_type_by_uid (CalBackend *backend, const char *uid);
GList *cal_backend_get_uids (CalBackend *backend, CalObjType type);
GList *cal_backend_get_objects_in_range (CalBackend *backend, CalObjType type,
time_t start, time_t end);
char *cal_backend_get_free_busy (CalBackend *backend, time_t start, time_t end);
GNOME_Evolution_Calendar_CalObjChangeSeq * cal_backend_get_changes (
CalBackend *backend, CalObjType type, const char *change_id);
GNOME_Evolution_Calendar_CalComponentAlarmsSeq *cal_backend_get_alarms_in_range (
CalBackend *backend, time_t start, time_t end, gboolean *valid_range);
GNOME_Evolution_Calendar_CalComponentAlarms *cal_backend_get_alarms_for_object (
CalBackend *backend, const char *uid,
time_t start, time_t end,
CalBackendGetAlarmsForObjectResult *result);
gboolean cal_backend_update_objects (CalBackend *backend, const char *calobj);
gboolean cal_backend_remove_object (CalBackend *backend, const char *uid);
icaltimezone* cal_backend_get_timezone (CalBackend *backend, const char *tzid);
void cal_backend_last_client_gone (CalBackend *backend);
void cal_backend_opened (CalBackend *backend, CalBackendOpenStatus status);
void cal_backend_obj_updated (CalBackend *backend, const char *uid);
void cal_backend_obj_removed (CalBackend *backend, const char *uid);
END_GNOME_DECLS
#endif
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