| 1 | /* GIO - GLib Input, Output and Streaming Library | 
| 2 |  * | 
| 3 |  * Copyright (C) 2006-2007 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_LOADABLE_ICON_H__ | 
| 22 | #define __G_LOADABLE_ICON_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 |  | 
| 30 | G_BEGIN_DECLS | 
| 31 |  | 
| 32 | #define G_TYPE_LOADABLE_ICON            (g_loadable_icon_get_type ()) | 
| 33 | #define G_LOADABLE_ICON(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_LOADABLE_ICON, GLoadableIcon)) | 
| 34 | #define G_IS_LOADABLE_ICON(obj)	        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_LOADABLE_ICON)) | 
| 35 | #define G_LOADABLE_ICON_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_LOADABLE_ICON, GLoadableIconIface)) | 
| 36 |  | 
| 37 | /** | 
| 38 |  * GLoadableIcon: | 
| 39 |  * | 
| 40 |  * Generic type for all kinds of icons that can be loaded | 
| 41 |  * as a stream. | 
| 42 |  **/ | 
| 43 | typedef struct _GLoadableIconIface    		GLoadableIconIface; | 
| 44 |  | 
| 45 | /** | 
| 46 |  * GLoadableIconIface: | 
| 47 |  * @g_iface: The parent interface. | 
| 48 |  * @load: Loads an icon. | 
| 49 |  * @load_async: Loads an icon asynchronously. | 
| 50 |  * @load_finish: Finishes an asynchronous icon load. | 
| 51 |  * | 
| 52 |  * Interface for icons that can be loaded as a stream. | 
| 53 |  **/ | 
| 54 | struct _GLoadableIconIface | 
| 55 | { | 
| 56 |   GTypeInterface g_iface; | 
| 57 |  | 
| 58 |   /* Virtual Table */ | 
| 59 |  | 
| 60 |   GInputStream * (* load)        (GLoadableIcon       *icon, | 
| 61 |                                   int                  size, | 
| 62 |                                   char               **type, | 
| 63 |                                   GCancellable        *cancellable, | 
| 64 |                                   GError             **error); | 
| 65 |   void           (* load_async)  (GLoadableIcon       *icon, | 
| 66 |                                   int                  size, | 
| 67 |                                   GCancellable        *cancellable, | 
| 68 |                                   GAsyncReadyCallback  callback, | 
| 69 |                                   gpointer             user_data); | 
| 70 |   GInputStream * (* load_finish) (GLoadableIcon       *icon, | 
| 71 |                                   GAsyncResult        *res, | 
| 72 |                                   char               **type, | 
| 73 |                                   GError             **error); | 
| 74 | }; | 
| 75 |  | 
| 76 | GLIB_AVAILABLE_IN_ALL | 
| 77 | GType         g_loadable_icon_get_type    (void) G_GNUC_CONST; | 
| 78 |  | 
| 79 | GLIB_AVAILABLE_IN_ALL | 
| 80 | GInputStream *g_loadable_icon_load        (GLoadableIcon        *icon, | 
| 81 | 					   int                   size, | 
| 82 | 					   char                **type, | 
| 83 | 					   GCancellable         *cancellable, | 
| 84 | 					   GError              **error); | 
| 85 | GLIB_AVAILABLE_IN_ALL | 
| 86 | void          g_loadable_icon_load_async  (GLoadableIcon        *icon, | 
| 87 | 					   int                   size, | 
| 88 | 					   GCancellable         *cancellable, | 
| 89 | 					   GAsyncReadyCallback   callback, | 
| 90 | 					   gpointer              user_data); | 
| 91 | GLIB_AVAILABLE_IN_ALL | 
| 92 | GInputStream *g_loadable_icon_load_finish (GLoadableIcon        *icon, | 
| 93 | 					   GAsyncResult         *res, | 
| 94 | 					   char                **type, | 
| 95 | 					   GError              **error); | 
| 96 |  | 
| 97 | G_END_DECLS | 
| 98 |  | 
| 99 | #endif /* __G_LOADABLE_ICON_H__ */ | 
| 100 |  |