gasyncinitable.h 4.25 KB
Newer Older
1 2 3 4 5 6 7
/* GIO - GLib Input, Output and Streaming Library
 *
 * Copyright (C) 2009 Red Hat, Inc.
 *
 * 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
8
 * version 2.1 of the License, or (at your option) any later version.
9 10 11 12 13 14 15
 *
 * 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
16
 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 18 19 20
 *
 * Author: Alexander Larsson <alexl@redhat.com>
 */

21 22 23
#ifndef __G_ASYNC_INITABLE_H__
#define __G_ASYNC_INITABLE_H__

24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
#error "Only <gio/gio.h> can be included directly."
#endif

#include <gio/giotypes.h>
#include <gio/ginitable.h>

G_BEGIN_DECLS

#define G_TYPE_ASYNC_INITABLE            (g_async_initable_get_type ())
#define G_ASYNC_INITABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_ASYNC_INITABLE, GAsyncInitable))
#define G_IS_ASYNC_INITABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_ASYNC_INITABLE))
#define G_ASYNC_INITABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_ASYNC_INITABLE, GAsyncInitableIface))
#define G_TYPE_IS_ASYNC_INITABLE(type)   (g_type_is_a ((type), G_TYPE_ASYNC_INITABLE))

/**
 * GAsyncInitable:
 *
 * Interface for asynchronously initializable objects.
 *
 * Since: 2.22
 **/
typedef struct _GAsyncInitableIface GAsyncInitableIface;

/**
 * GAsyncInitableIface:
 * @g_iface: The parent interface.
 * @init_async: Starts initialization of the object.
 * @init_finish: Finishes initialization of the object.
 *
 * Provides an interface for asynchronous initializing object such that
 * initialization may fail.
 *
 * Since: 2.22
 **/
struct _GAsyncInitableIface
{
  GTypeInterface g_iface;

  /* Virtual Table */

  void     (* init_async)  (GAsyncInitable      *initable,
			    int                  io_priority,
			    GCancellable        *cancellable,
			    GAsyncReadyCallback  callback,
			    gpointer             user_data);
  gboolean (* init_finish) (GAsyncInitable      *initable,
			    GAsyncResult        *res,
			    GError             **error);
};

75
GLIB_AVAILABLE_IN_ALL
76 77 78
GType    g_async_initable_get_type    (void) G_GNUC_CONST;


79
GLIB_AVAILABLE_IN_ALL
80 81 82 83 84
void     g_async_initable_init_async       (GAsyncInitable       *initable,
					    int                   io_priority,
					    GCancellable         *cancellable,
					    GAsyncReadyCallback   callback,
					    gpointer              user_data);
85
GLIB_AVAILABLE_IN_ALL
86 87 88 89
gboolean g_async_initable_init_finish      (GAsyncInitable       *initable,
					    GAsyncResult         *res,
					    GError              **error);

90
GLIB_AVAILABLE_IN_ALL
91 92 93 94 95 96 97
void     g_async_initable_new_async        (GType                 object_type,
					    int                   io_priority,
					    GCancellable         *cancellable,
					    GAsyncReadyCallback   callback,
					    gpointer              user_data,
					    const gchar          *first_property_name,
					    ...);
98
GLIB_DEPRECATED_IN_2_54_FOR(g_object_new_with_properties and g_async_initable_init_async)
99 100 101 102 103 104 105
void     g_async_initable_newv_async       (GType                 object_type,
					    guint                 n_parameters,
					    GParameter           *parameters,
					    int                   io_priority,
					    GCancellable         *cancellable,
					    GAsyncReadyCallback   callback,
					    gpointer              user_data);
106
GLIB_AVAILABLE_IN_ALL
107 108 109 110 111 112 113
void     g_async_initable_new_valist_async (GType                 object_type,
					    const gchar          *first_property_name,
					    va_list               var_args,
					    int                   io_priority,
					    GCancellable         *cancellable,
					    GAsyncReadyCallback   callback,
					    gpointer              user_data);
114
GLIB_AVAILABLE_IN_ALL
115 116 117 118 119 120 121 122 123 124
GObject *g_async_initable_new_finish       (GAsyncInitable       *initable,
					    GAsyncResult         *res,
					    GError              **error);



G_END_DECLS


#endif /* __G_ASYNC_INITABLE_H__ */