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 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, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
19 *
20 * Author: Alexander Larsson <alexl@redhat.com>
21 */
22
23#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
24#error "Only <gio/gio.h> can be included directly."
25#endif
26
27#ifndef __G_LOADABLE_ICON_H__
28#define __G_LOADABLE_ICON_H__
29
30#include <gio/giotypes.h>
31
32G_BEGIN_DECLS
33
34#define G_TYPE_LOADABLE_ICON            (g_loadable_icon_get_type ())
35#define G_LOADABLE_ICON(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_LOADABLE_ICON, GLoadableIcon))
36#define G_IS_LOADABLE_ICON(obj)	        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_LOADABLE_ICON))
37#define G_LOADABLE_ICON_GET_IFACE(obj)  (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_LOADABLE_ICON, GLoadableIconIface))
38
39/**
40 * GLoadableIcon:
41 *
42 * Generic type for all kinds of icons that can be loaded
43 * as a stream.
44 **/
45typedef struct _GLoadableIconIface    		GLoadableIconIface;
46
47/**
48 * GLoadableIconIface:
49 * @g_iface: The parent interface.
50 * @load: Loads an icon.
51 * @load_async: Loads an icon asynchronously.
52 * @load_finish: Finishes an asynchronous icon load.
53 *
54 * Interface for icons that can be loaded as a stream.
55 **/
56struct _GLoadableIconIface
57{
58  GTypeInterface g_iface;
59
60  /* Virtual Table */
61
62  GInputStream * (* load)        (GLoadableIcon       *icon,
63                                  int                  size,
64                                  char               **type,
65                                  GCancellable        *cancellable,
66                                  GError             **error);
67  void           (* load_async)  (GLoadableIcon       *icon,
68                                  int                  size,
69                                  GCancellable        *cancellable,
70                                  GAsyncReadyCallback  callback,
71                                  gpointer             user_data);
72  GInputStream * (* load_finish) (GLoadableIcon       *icon,
73                                  GAsyncResult        *res,
74                                  char               **type,
75                                  GError             **error);
76};
77
78GType         g_loadable_icon_get_type    (void) G_GNUC_CONST;
79
80GInputStream *g_loadable_icon_load        (GLoadableIcon        *icon,
81					   int                   size,
82					   char                **type,
83					   GCancellable         *cancellable,
84					   GError              **error);
85void          g_loadable_icon_load_async  (GLoadableIcon        *icon,
86					   int                   size,
87					   GCancellable         *cancellable,
88					   GAsyncReadyCallback   callback,
89					   gpointer              user_data);
90GInputStream *g_loadable_icon_load_finish (GLoadableIcon        *icon,
91					   GAsyncResult         *res,
92					   char                **type,
93					   GError              **error);
94
95G_END_DECLS
96
97#endif /* __G_LOADABLE_ICON_H__ */
98