/*
 * wocky-roster.h - Header for WockyRoster
 * Copyright (C) 2009 Collabora Ltd.
 * @author Jonny Lamb <jonny.lamb@collabora.co.uk>
 *
 * This library 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 2.1 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#if !defined (WOCKY_H_INSIDE) && !defined (WOCKY_COMPILATION)
# error "Only <wocky/wocky.h> can be included directly."
#endif

#ifndef __WOCKY_ROSTER_H__
#define __WOCKY_ROSTER_H__

#include <glib-object.h>

#include "wocky-types.h"
#include "wocky-xmpp-connection.h"

G_BEGIN_DECLS

typedef struct _WockyRoster WockyRoster;

/**
 * WockyRosterClass:
 *
 * The class of a #WockyRoster.
 */
typedef struct _WockyRosterClass WockyRosterClass;
typedef struct _WockyRosterPrivate WockyRosterPrivate;

GQuark wocky_roster_error_quark (void);

struct _WockyRosterClass {
  /*<private>*/
  GObjectClass parent_class;
};

struct _WockyRoster {
  /*<private>*/
  GObject parent;

  WockyRosterPrivate *priv;
};

GType wocky_roster_get_type (void);

#define WOCKY_TYPE_ROSTER \
  (wocky_roster_get_type ())
#define WOCKY_ROSTER(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj), WOCKY_TYPE_ROSTER, \
   WockyRoster))
#define WOCKY_ROSTER_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass), WOCKY_TYPE_ROSTER, \
   WockyRosterClass))
#define WOCKY_IS_ROSTER(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj), WOCKY_TYPE_ROSTER))
#define WOCKY_IS_ROSTER_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass), WOCKY_TYPE_ROSTER))
#define WOCKY_ROSTER_GET_CLASS(obj) \
  (G_TYPE_INSTANCE_GET_CLASS ((obj), WOCKY_TYPE_ROSTER, \
   WockyRosterClass))

/**
 * WockyRosterSubscriptionFlags:
 * @WOCKY_ROSTER_SUBSCRIPTION_TYPE_NONE: the user does not have a
 *   subscription to the contact's presence information, and the
 *   contact does not have a subscription to the user's presence
 *   information
 * @WOCKY_ROSTER_SUBSCRIPTION_TYPE_TO: the user has a subscription to
 *   the contact's presence information, but the contact does not have
 *   a subscription to the user's presence information
 * @WOCKY_ROSTER_SUBSCRIPTION_TYPE_FROM: the contact has a
 *   subscription to the user's presence information, but the user
 *   does not have a subscription to the contact's presence
 *   information
 * @WOCKY_ROSTER_SUBSCRIPTION_TYPE_BOTH: both the user and the contact
 * have subscriptions to each other's presence information
 *
 * Flags to document the subscription information between contacts.
 */
typedef enum
{
  WOCKY_ROSTER_SUBSCRIPTION_TYPE_NONE = 0,
  WOCKY_ROSTER_SUBSCRIPTION_TYPE_TO   = 1 << 0,
  WOCKY_ROSTER_SUBSCRIPTION_TYPE_FROM = 1 << 1,
  WOCKY_ROSTER_SUBSCRIPTION_TYPE_BOTH =
    WOCKY_ROSTER_SUBSCRIPTION_TYPE_TO | WOCKY_ROSTER_SUBSCRIPTION_TYPE_FROM,
  /*< private >*/
  LAST_WOCKY_ROSTER_SUBSCRIPTION_TYPE = WOCKY_ROSTER_SUBSCRIPTION_TYPE_BOTH
} WockyRosterSubscriptionFlags;

/**
 * WockyRosterError:
 * @WOCKY_ROSTER_ERROR_INVALID_STANZA : received an invalid roster stanza
 * from the server
 * @WOCKY_ROSTER_ERROR_NOT_IN_ROSTER : the contact is not in the roster
 *
 * The #WockyRosterError specific errors.
 */
typedef enum {
  WOCKY_ROSTER_ERROR_INVALID_STANZA,
  WOCKY_ROSTER_ERROR_NOT_IN_ROSTER,
} WockyRosterError;

GQuark wocky_roster_error_quark (void);

/**
 * WOCKY_ROSTER_ERROR:
 *
 * Get access to the error quark of the roster.
 */
#define WOCKY_ROSTER_ERROR (wocky_roster_error_quark ())

WockyRoster * wocky_roster_new (WockySession *session);

void wocky_roster_fetch_roster_async (WockyRoster *self,
    GCancellable *cancellable, GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_fetch_roster_finish (WockyRoster *self,
    GAsyncResult *result, GError **error);

WockyBareContact * wocky_roster_get_contact (WockyRoster *self,
    const gchar *jid);

GSList * wocky_roster_get_all_contacts (WockyRoster *self);

void wocky_roster_add_contact_async (WockyRoster *self,
    const gchar *jid,
    const gchar *name,
    const gchar * const * groups,
    GCancellable *cancellable,
    GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_add_contact_finish (WockyRoster *self,
    GAsyncResult *result,
    GError **error);

void wocky_roster_remove_contact_async (WockyRoster *self,
    WockyBareContact *contact,
    GCancellable *cancellable,
    GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_remove_contact_finish (WockyRoster *self,
    GAsyncResult *result,
    GError **error);

void wocky_roster_change_contact_name_async (WockyRoster *self,
    WockyBareContact *contact,
    const gchar *name,
    GCancellable *cancellable,
    GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_change_contact_name_finish (WockyRoster *self,
    GAsyncResult *result,
    GError **error);

void wocky_roster_contact_add_group_async (WockyRoster *self,
    WockyBareContact *contact,
    const gchar *group,
    GCancellable *cancellable,
    GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_contact_add_group_finish (WockyRoster *self,
    GAsyncResult *result,
    GError **error);

void wocky_roster_contact_remove_group_async (WockyRoster *self,
    WockyBareContact *contact,
    const gchar *group,
    GCancellable *cancellable,
    GAsyncReadyCallback callback,
    gpointer user_data);

gboolean wocky_roster_contact_remove_group_finish (WockyRoster *self,
    GAsyncResult *result,
    GError **error);

/* For debugging only */
const gchar * wocky_roster_subscription_to_string (
    WockyRosterSubscriptionFlags subscription);

G_END_DECLS

#endif /* #ifndef __WOCKY_ROSTER_H__*/