registryd: Remove some unused code
[platform/upstream/at-spi2-core.git] / registryd / registry-main.c
1 /*
2  * AT-SPI - Assistive Technology Service Provider Interface
3  * (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
4  *
5  * Copyright 2001, 2002 Sun Microsystems Inc.,
6  * Copyright 2001, 2002 Ximian, Inc.
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Library General Public
10  * License as published by the Free Software Foundation; either
11  * version 2 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Library General Public License for more details.
17  *
18  * You should have received a copy of the GNU Library General Public
19  * License along with this library; if not, write to the
20  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21  * Boston, MA 02111-1307, USA.
22  */
23
24 #include <stdlib.h>
25 #include <config.h>
26 #include <string.h>
27 #include <glib.h>
28 #include <gio/gio.h>
29 #include <stdio.h>
30 #include <dlfcn.h>
31
32 #include <dbus/dbus.h>
33
34 #include "paths.h"
35 #include "registry.h"
36 #include "deviceeventcontroller.h"
37 #include "atspi/atspi.h"
38
39 static GMainLoop *mainloop;
40 static gchar *dbus_name = NULL;
41 static gboolean use_gnome_session = FALSE;
42
43 static GOptionEntry optentries[] =
44 {
45   {"dbus-name", 0, 0, G_OPTION_ARG_STRING, &dbus_name, "Well-known name to register with D-Bus", NULL},
46   {"use-gnome-session", 0, 0, G_OPTION_ARG_NONE, &use_gnome_session, "Should register with gnome session manager", NULL},
47   {NULL}
48 };
49
50 static GDBusProxy      *sm_proxy = NULL;
51 static char            *client_id = NULL;
52 static GDBusProxy      *client_proxy = NULL;
53
54 #define SM_DBUS_NAME      "org.gnome.SessionManager"
55 #define SM_DBUS_PATH      "/org/gnome/SessionManager"
56 #define SM_DBUS_INTERFACE "org.gnome.SessionManager"
57
58 #define SM_CLIENT_DBUS_INTERFACE "org.gnome.SessionManager.ClientPrivate"
59
60 static void
61 on_session_over (GDBusProxy *proxy,
62                  gchar      *sender_name,
63                  gchar      *signal_name,
64                  GVariant   *parameters,
65                  gpointer    user_data)
66 {
67         if (g_strcmp0 (signal_name, "SessionOver") == 0) {
68                 g_main_loop_quit (mainloop);
69         }
70 }
71
72 static gboolean
73 session_manager_connect (void)
74 {
75
76         sm_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, 0, NULL,
77                                               SM_DBUS_NAME,
78                                               SM_DBUS_PATH,
79                                               SM_DBUS_INTERFACE, NULL, NULL);
80
81         g_signal_connect (G_OBJECT (sm_proxy), "g-signal",
82                           G_CALLBACK (on_session_over), NULL);
83
84         return (sm_proxy != NULL);
85 }
86
87 static gboolean
88 end_session_response (gboolean is_okay, const gchar *reason)
89 {
90   GVariant *ret;
91         GError *error = NULL;
92
93         if (!reason)
94                 reason = "";
95
96         ret = g_dbus_proxy_call_sync (client_proxy, "EndSessionResponse",
97                                       g_variant_new ("(bs)", is_okay, reason),
98                                       0, 1000, NULL, &error);
99
100         if (!ret) {
101                 g_warning ("Failed to send session response %s", error->message);
102                 g_error_free (error);
103                 return FALSE;
104         }
105         else
106                 g_variant_unref (ret);
107
108         return TRUE;
109 }
110
111 static void
112 client_proxy_signal_cb (GDBusProxy *proxy,
113                         gchar *sender_name,
114                         gchar *signal_name,
115                         GVariant *parameters,
116                         gpointer user_data)
117 {
118         if (g_strcmp0 (signal_name, "QueryEndSession") == 0) {
119                 g_debug ("Got QueryEndSession signal");
120                 end_session_response (TRUE, NULL);
121         } else if (g_strcmp0 (signal_name, "EndSession") == 0) {
122                 g_debug ("Got EndSession signal");
123                 end_session_response (TRUE, NULL);
124                 g_main_loop_quit (mainloop);
125         } else if (g_strcmp0 (signal_name, "Stop") == 0) {
126                 g_debug ("Got Stop signal");
127                 g_main_loop_quit (mainloop);
128         }
129 }
130
131 static gboolean
132 register_client (void)
133 {
134         GError     *error;
135   GVariant *res;
136         const char *startup_id;
137         const char *app_id;
138
139         startup_id = g_getenv ("DESKTOP_AUTOSTART_ID");
140         if (!startup_id)
141                 startup_id = "";
142         app_id = "at-spi-registryd.desktop";
143
144         error = NULL;
145         res = g_dbus_proxy_call_sync (sm_proxy,
146                                  "RegisterClient",
147                                       g_variant_new ("(ss)", app_id,
148                                                      startup_id),
149                                       0, 1000, NULL, &error);
150         if (! res) {
151                 const char *message = (error && error->message ? error->message
152                                        : "no error");
153                 g_warning ("Failed to register client: %s", message);
154                 if (error)
155                   g_error_free (error);
156                 return FALSE;
157         }
158         g_variant_get (res, "(o)", &client_id);
159         g_variant_unref (res);
160
161         client_proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, 0, NULL,
162                                                   SM_DBUS_NAME,
163                                                   client_id,
164                                                   SM_CLIENT_DBUS_INTERFACE,
165                                                   NULL, NULL);
166
167         g_signal_connect (client_proxy, "g-signal",
168                           G_CALLBACK (client_proxy_signal_cb), NULL);
169
170         g_unsetenv ("DESKTOP_AUTOSTART_ID");
171
172         return TRUE;
173 }
174
175 /*---------------------------------------------------------------------------*/
176
177
178 /*---------------------------------------------------------------------------*/
179
180 typedef GObject *(*gconf_client_get_default_t) ();
181 typedef gboolean (*gconf_client_get_bool_t)(GObject *, const char *, void *);
182
183 int
184 main (int argc, char **argv)
185 {
186   SpiRegistry *registry;
187   SpiDEController *dec;
188
189   DBusConnection *bus = NULL;
190
191   GOptionContext *opt;
192
193   GError *err = NULL;
194   int ret;
195
196   /*Parse command options*/
197   opt = g_option_context_new(NULL);
198   g_option_context_add_main_entries(opt, optentries, NULL);
199
200   if (!g_option_context_parse(opt, &argc, &argv, &err))
201     {
202       g_error("Option parsing failed: %s\n", err->message);
203       g_clear_error (&err);
204     }
205
206   if (dbus_name == NULL)
207       dbus_name = SPI_DBUS_NAME_REGISTRY;
208
209   bus = atspi_get_a11y_bus ();
210   if (!bus)
211   {
212     return 0;
213   }
214
215   mainloop = g_main_loop_new (NULL, FALSE);
216   atspi_dbus_connection_setup_with_g_main(bus, NULL);
217
218   ret = dbus_bus_request_name(bus, dbus_name, DBUS_NAME_FLAG_DO_NOT_QUEUE, NULL);
219   if (ret == DBUS_REQUEST_NAME_REPLY_EXISTS)
220     {
221       exit (0); /* most likely already running */
222     }
223   else
224     {
225       g_print ("SpiRegistry daemon is running with well-known name - %s\n", dbus_name);
226     }
227
228   registry = spi_registry_new (bus);
229   dec = spi_registry_dec_new (registry, bus);
230
231   if (use_gnome_session)
232     {
233       if (!session_manager_connect ())
234           g_warning ("Unable to connect to session manager");
235
236       if (!register_client ())
237           g_warning ("Unable to register client with session manager");
238     }
239
240   g_main_loop_run (mainloop);
241
242   dbus_connection_close (bus);
243   dbus_connection_unref (bus);
244   g_object_unref (dec);
245   g_object_unref (registry);
246
247   return 0;
248 }