| 1 | /* GIO - GLib Input, Output and Streaming Library | 
| 2 |  * | 
| 3 |  * Copyright (C) 2009 Red Hat, Inc. | 
| 4 |  * | 
| 5 |  * This library is free software; you can redistribute it and/or | 
| 6 |  * modify it under the terms of the GNU Lesser General Public | 
| 7 |  * 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 |  * This library is distributed in the hope that it will be useful, | 
| 11 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
| 12 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
| 13 |  * Lesser General Public License for more details. | 
| 14 |  * | 
| 15 |  * 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 |  * Author: Alexander Larsson <alexl@redhat.com> | 
| 19 |  */ | 
| 20 |  | 
| 21 | #ifndef __G_ASYNC_INITABLE_H__ | 
| 22 | #define __G_ASYNC_INITABLE_H__ | 
| 23 |  | 
| 24 | #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION) | 
| 25 | #error "Only <gio/gio.h> can be included directly." | 
| 26 | #endif | 
| 27 |  | 
| 28 | #include <gio/giotypes.h> | 
| 29 | #include <gio/ginitable.h> | 
| 30 |  | 
| 31 | G_BEGIN_DECLS | 
| 32 |  | 
| 33 | #define G_TYPE_ASYNC_INITABLE            (g_async_initable_get_type ()) | 
| 34 | #define G_ASYNC_INITABLE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_ASYNC_INITABLE, GAsyncInitable)) | 
| 35 | #define G_IS_ASYNC_INITABLE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_ASYNC_INITABLE)) | 
| 36 | #define G_ASYNC_INITABLE_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_ASYNC_INITABLE, GAsyncInitableIface)) | 
| 37 | #define G_TYPE_IS_ASYNC_INITABLE(type)   (g_type_is_a ((type), G_TYPE_ASYNC_INITABLE)) | 
| 38 |  | 
| 39 | /** | 
| 40 |  * GAsyncInitable: | 
| 41 |  * | 
| 42 |  * Interface for asynchronously initializable objects. | 
| 43 |  * | 
| 44 |  * Since: 2.22 | 
| 45 |  **/ | 
| 46 | typedef struct _GAsyncInitableIface GAsyncInitableIface; | 
| 47 |  | 
| 48 | /** | 
| 49 |  * GAsyncInitableIface: | 
| 50 |  * @g_iface: The parent interface. | 
| 51 |  * @init_async: Starts initialization of the object. | 
| 52 |  * @init_finish: Finishes initialization of the object. | 
| 53 |  * | 
| 54 |  * Provides an interface for asynchronous initializing object such that | 
| 55 |  * initialization may fail. | 
| 56 |  * | 
| 57 |  * Since: 2.22 | 
| 58 |  **/ | 
| 59 | struct _GAsyncInitableIface | 
| 60 | { | 
| 61 |   GTypeInterface g_iface; | 
| 62 |  | 
| 63 |   /* Virtual Table */ | 
| 64 |  | 
| 65 |   void     (* init_async)  (GAsyncInitable      *initable, | 
| 66 | 			    int                  io_priority, | 
| 67 | 			    GCancellable        *cancellable, | 
| 68 | 			    GAsyncReadyCallback  callback, | 
| 69 | 			    gpointer             user_data); | 
| 70 |   gboolean (* init_finish) (GAsyncInitable      *initable, | 
| 71 | 			    GAsyncResult        *res, | 
| 72 | 			    GError             **error); | 
| 73 | }; | 
| 74 |  | 
| 75 | GLIB_AVAILABLE_IN_ALL | 
| 76 | GType    g_async_initable_get_type    (void) G_GNUC_CONST; | 
| 77 |  | 
| 78 |  | 
| 79 | GLIB_AVAILABLE_IN_ALL | 
| 80 | void     g_async_initable_init_async       (GAsyncInitable       *initable, | 
| 81 | 					    int                   io_priority, | 
| 82 | 					    GCancellable         *cancellable, | 
| 83 | 					    GAsyncReadyCallback   callback, | 
| 84 | 					    gpointer              user_data); | 
| 85 | GLIB_AVAILABLE_IN_ALL | 
| 86 | gboolean g_async_initable_init_finish      (GAsyncInitable       *initable, | 
| 87 | 					    GAsyncResult         *res, | 
| 88 | 					    GError              **error); | 
| 89 |  | 
| 90 | GLIB_AVAILABLE_IN_ALL | 
| 91 | void     g_async_initable_new_async        (GType                 object_type, | 
| 92 | 					    int                   io_priority, | 
| 93 | 					    GCancellable         *cancellable, | 
| 94 | 					    GAsyncReadyCallback   callback, | 
| 95 | 					    gpointer              user_data, | 
| 96 | 					    const gchar          *first_property_name, | 
| 97 | 					    ...); | 
| 98 |  | 
| 99 | G_GNUC_BEGIN_IGNORE_DEPRECATIONS | 
| 100 |  | 
| 101 | GLIB_DEPRECATED_IN_2_54_FOR(g_object_new_with_properties and g_async_initable_init_async) | 
| 102 | void     g_async_initable_newv_async       (GType                 object_type, | 
| 103 | 					    guint                 n_parameters, | 
| 104 | 					    GParameter           *parameters, | 
| 105 | 					    int                   io_priority, | 
| 106 | 					    GCancellable         *cancellable, | 
| 107 | 					    GAsyncReadyCallback   callback, | 
| 108 | 					    gpointer              user_data); | 
| 109 |  | 
| 110 | G_GNUC_END_IGNORE_DEPRECATIONS | 
| 111 |  | 
| 112 | GLIB_AVAILABLE_IN_ALL | 
| 113 | void     g_async_initable_new_valist_async (GType                 object_type, | 
| 114 | 					    const gchar          *first_property_name, | 
| 115 | 					    va_list               var_args, | 
| 116 | 					    int                   io_priority, | 
| 117 | 					    GCancellable         *cancellable, | 
| 118 | 					    GAsyncReadyCallback   callback, | 
| 119 | 					    gpointer              user_data); | 
| 120 | GLIB_AVAILABLE_IN_ALL | 
| 121 | GObject *g_async_initable_new_finish       (GAsyncInitable       *initable, | 
| 122 | 					    GAsyncResult         *res, | 
| 123 | 					    GError              **error); | 
| 124 |  | 
| 125 |  | 
| 126 |  | 
| 127 | G_END_DECLS | 
| 128 |  | 
| 129 |  | 
| 130 | #endif /* __G_ASYNC_INITABLE_H__ */ | 
| 131 |  |