1 /* GIO - GLib Input, Output and Streaming Library
2  *
3  * Copyright (C) 2010 Collabora, Ltd.
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: Nicolas Dufresne <nicolas.dufresne@collabora.co.uk>
19  */
20 
21 #ifndef __G_PROXY_RESOLVER_H__
22 #define __G_PROXY_RESOLVER_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_PROXY_RESOLVER         (g_proxy_resolver_get_type ())
33 #define G_PROXY_RESOLVER(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_PROXY_RESOLVER, GProxyResolver))
34 #define G_IS_PROXY_RESOLVER(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_PROXY_RESOLVER))
35 #define G_PROXY_RESOLVER_GET_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_PROXY_RESOLVER, GProxyResolverInterface))
36 
37 /**
38  * G_PROXY_RESOLVER_EXTENSION_POINT_NAME:
39  *
40  * Extension point for proxy resolving functionality.
41  * See [Extending GIO][extending-gio].
42  */
43 #define G_PROXY_RESOLVER_EXTENSION_POINT_NAME "gio-proxy-resolver"
44 
45 typedef struct _GProxyResolverInterface GProxyResolverInterface;
46 
47 struct _GProxyResolverInterface {
48   GTypeInterface g_iface;
49 
50   /* Virtual Table */
51   gboolean (* is_supported)  (GProxyResolver       *resolver);
52 
53   gchar	** (* lookup)        (GProxyResolver       *resolver,
54 			      const gchar          *uri,
55 			      GCancellable         *cancellable,
56 			      GError              **error);
57 
58   void     (* lookup_async)  (GProxyResolver       *resolver,
59 			      const gchar          *uri,
60 			      GCancellable         *cancellable,
61 			      GAsyncReadyCallback   callback,
62 			      gpointer              user_data);
63 
64   gchar	** (* lookup_finish) (GProxyResolver       *resolver,
65 			      GAsyncResult         *result,
66 			      GError              **error);
67 };
68 
69 GLIB_AVAILABLE_IN_ALL
70 GType		g_proxy_resolver_get_type       (void) G_GNUC_CONST;
71 GLIB_AVAILABLE_IN_ALL
72 GProxyResolver *g_proxy_resolver_get_default    (void);
73 
74 GLIB_AVAILABLE_IN_ALL
75 gboolean        g_proxy_resolver_is_supported   (GProxyResolver       *resolver);
76 GLIB_AVAILABLE_IN_ALL
77 gchar	      **g_proxy_resolver_lookup		(GProxyResolver       *resolver,
78 						 const gchar          *uri,
79 						 GCancellable         *cancellable,
80 						 GError              **error);
81 GLIB_AVAILABLE_IN_ALL
82 void		g_proxy_resolver_lookup_async   (GProxyResolver       *resolver,
83 						 const gchar          *uri,
84 						 GCancellable         *cancellable,
85 						 GAsyncReadyCallback   callback,
86 						 gpointer              user_data);
87 GLIB_AVAILABLE_IN_ALL
88 gchar	      **g_proxy_resolver_lookup_finish  (GProxyResolver       *resolver,
89 						 GAsyncResult         *result,
90 						 GError              **error);
91 
92 
93 G_END_DECLS
94 
95 #endif /* __G_PROXY_RESOLVER_H__ */
96