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/*
 * disco.h - Headers for Gabble service discovery
 *
 * Copyright (C) 2006 Collabora Ltd.
 * Copyright (C) 2006 Nokia Corporation
 *
 * 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
 *
 * -- LET'S DISCO!!!  \o/ \o_ _o/ /\o/\ _/o/- -\o\_ --
 */

#ifndef __GABBLE_DISCO_H__
#define __GABBLE_DISCO_H__

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

#include "types.h"

G_BEGIN_DECLS

typedef enum
{
  GABBLE_DISCO_TYPE_INFO,
  GABBLE_DISCO_TYPE_ITEMS
} GabbleDiscoType;

typedef struct _GabbleDiscoClass GabbleDiscoClass;
typedef struct _GabbleDiscoPrivate GabbleDiscoPrivate;
typedef struct _GabbleDiscoRequest GabbleDiscoRequest;

/**
 * GabbleDiscoError:
 * @GABBLE_DISCO_ERROR_CANCELLED: The DISCO request was cancelled
 * @GABBLE_DISCO_ERROR_TIMEOUT: The DISCO request timed out
 * @GABBLE_DISCO_ERROR_UNKNOWN: An unknown error occured
 */
typedef enum
{
  GABBLE_DISCO_ERROR_CANCELLED,
  GABBLE_DISCO_ERROR_TIMEOUT,
  GABBLE_DISCO_ERROR_UNKNOWN
} GabbleDiscoError;

GQuark gabble_disco_error_quark (void);
#define GABBLE_DISCO_ERROR gabble_disco_error_quark ()

GType gabble_disco_get_type (void);

/* TYPE MACROS */
#define GABBLE_TYPE_DISCO \
  (gabble_disco_get_type ())
#define GABBLE_DISCO(obj) \
  (G_TYPE_CHECK_INSTANCE_CAST((obj), GABBLE_TYPE_DISCO, GabbleDisco))
#define GABBLE_DISCO_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_CAST((klass), GABBLE_TYPE_DISCO, GabbleDiscoClass))
#define GABBLE_IS_DISCO(obj) \
  (G_TYPE_CHECK_INSTANCE_TYPE((obj), GABBLE_TYPE_DISCO))
#define GABBLE_IS_DISCO_CLASS(klass) \
  (G_TYPE_CHECK_CLASS_TYPE((klass), GABBLE_TYPE_DISCO))
#define GABBLE_DISCO_GET_CLASS(obj) \
  (G_TYPE_INSTANCE_GET_CLASS ((obj), GABBLE_TYPE_DISCO, GabbleDiscoClass))

struct _GabbleDiscoClass {
    GObjectClass parent_class;
};

struct _GabbleDisco {
    GObject parent;
    GabbleDiscoPrivate *priv;
};

typedef void (*GabbleDiscoCb)(GabbleDisco *self, GabbleDiscoRequest *request,
    const gchar *jid, const gchar *node, LmMessageNode *query_result,
    GError* error, gpointer user_data);

GabbleDisco *gabble_disco_new (GabbleConnection *);

GabbleDiscoRequest *gabble_disco_request (GabbleDisco *self,
    GabbleDiscoType type, const gchar *jid, const char *node,
    GabbleDiscoCb callback, gpointer user_data, GObject *object,
    GError **error);
GabbleDiscoRequest *gabble_disco_request_with_timeout (GabbleDisco *self,
    GabbleDiscoType type, const gchar *jid, const char *node,
    guint timeout, GabbleDiscoCb callback, gpointer user_data,
    GObject *object, GError **error);

void gabble_disco_cancel_request (GabbleDisco *, GabbleDiscoRequest *);

/* Pipelines */

typedef struct _GabbleDiscoItem GabbleDiscoItem;

struct _GabbleDiscoItem {
    const gchar *jid;
    const char *name;
    const char *category;
    const char *type;
    GHashTable *features;
};

typedef void (*GabbleDiscoPipelineCb)(gpointer pipeline,
                                      GabbleDiscoItem *item,
                                      gpointer user_data);

typedef void (*GabbleDiscoEndCb)(gpointer pipeline,
                                 gpointer user_data);

gpointer gabble_disco_pipeline_init (GabbleDisco *disco,
                                     GabbleDiscoPipelineCb callback,
                                     GabbleDiscoEndCb end_callback,
                                     gpointer user_data);

void gabble_disco_pipeline_run (gpointer self, const char *server);
void gabble_disco_pipeline_destroy (gpointer self);

/* Service discovery */

const GabbleDiscoItem *
gabble_disco_service_find (GabbleDisco *disco,
                           const char *category,
                           const char *type,
                           const char *feature);

G_END_DECLS

#endif