2 * Copyright (C) 2010-2011 Robert Ancell.
3 * Author: Robert Ancell <robert.ancell@canonical.com>
5 * This program is free software: you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free Software
7 * Foundation, either version 3 of the License, or (at your option) any later
8 * version. See http://www.gnu.org/copyleft/gpl.html the full text of the
14 #include "seat-xlocal.h"
15 #include "configuration.h"
16 #include "x-server-local.h"
17 #include "unity-system-compositor.h"
21 G_DEFINE_TYPE (SeatXLocal, seat_xlocal, SEAT_TYPE);
24 seat_xlocal_get_start_local_sessions (Seat *seat)
26 return !seat_get_string_property (seat, "xdmcp-manager");
30 seat_xlocal_setup (Seat *seat)
32 seat_set_can_switch (seat, TRUE);
33 seat_set_share_display_server (seat, seat_get_boolean_property (seat, "xserver-share"));
34 SEAT_CLASS (seat_xlocal_parent_class)->setup (seat);
38 seat_xlocal_start (Seat *seat)
40 return SEAT_CLASS (seat_xlocal_parent_class)->start (seat);
44 display_server_ready_cb (DisplayServer *display_server, Seat *seat)
51 display_server_transition_plymouth_cb (DisplayServer *display_server, Seat *seat)
53 /* Quit Plymouth if we didn't do the transition */
54 if (plymouth_get_is_running ())
55 plymouth_quit (FALSE);
57 g_signal_handlers_disconnect_matched (display_server, G_SIGNAL_MATCH_FUNC, 0, 0, NULL, display_server_transition_plymouth_cb, NULL);
61 get_vt (Seat *seat, DisplayServer *display_server)
65 /* If Plymouth is running, stop it */
66 if (plymouth_get_is_active () && plymouth_has_active_vt ())
68 gint active_vt = vt_get_active ();
69 if (active_vt >= vt_get_min ())
72 g_signal_connect (display_server, "ready", G_CALLBACK (display_server_ready_cb), seat);
73 g_signal_connect (display_server, "stopped", G_CALLBACK (display_server_transition_plymouth_cb), seat);
74 plymouth_deactivate ();
77 l_debug (seat, "Plymouth is running on VT %d, but this is less than the configured minimum of %d so not replacing it", active_vt, vt_get_min ());
79 if (plymouth_get_is_active ())
80 plymouth_quit (FALSE);
82 vt = vt_get_unused ();
87 static DisplayServer *
88 create_x_server (Seat *seat)
90 XServerLocal *x_server;
91 const gchar *command = NULL, *layout = NULL, *config_file = NULL, *xdmcp_manager = NULL, *key_name = NULL, *xdg_seat = NULL;
95 x_server = x_server_local_new ();
97 vt = get_vt (seat, DISPLAY_SERVER (x_server));
99 x_server_local_set_vt (x_server, vt);
102 l_debug (seat, "Starting local X display on VT %d", vt);
104 l_debug (seat, "Starting local X display");
106 /* If running inside an X server use Xephyr instead */
107 if (g_getenv ("DISPLAY"))
110 command = seat_get_string_property (seat, "xserver-command");
112 x_server_local_set_command (x_server, command);
114 layout = seat_get_string_property (seat, "xserver-layout");
116 x_server_local_set_layout (x_server, layout);
118 xdg_seat = seat_get_string_property (seat, "xdg-seat");
120 x_server_local_set_xdg_seat (x_server, xdg_seat);
122 config_file = seat_get_string_property (seat, "xserver-config");
124 x_server_local_set_config (x_server, config_file);
126 allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp");
127 x_server_local_set_allow_tcp (x_server, allow_tcp);
129 xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
131 x_server_local_set_xdmcp_server (x_server, xdmcp_manager);
133 port = seat_get_integer_property (seat, "xdmcp-port");
135 x_server_local_set_xdmcp_port (x_server, port);
137 key_name = seat_get_string_property (seat, "xdmcp-key");
143 GError *error = NULL;
145 dir = config_get_string (config_get_instance (), "LightDM", "config-directory");
146 path = g_build_filename (dir, "keys.conf", NULL);
149 keys = g_key_file_new ();
150 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
152 l_debug (seat, "Error getting key %s", error->message);
153 g_clear_error (&error);
159 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
160 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
162 l_debug (seat, "Key %s not defined", key_name);
165 x_server_local_set_xdmcp_key (x_server, key);
170 g_key_file_free (keys);
173 return DISPLAY_SERVER (x_server);
176 static DisplayServer *
177 create_unity_system_compositor (Seat *seat)
179 UnitySystemCompositor *compositor;
180 const gchar *command;
184 compositor = unity_system_compositor_new ();
186 command = seat_get_string_property (seat, "unity-compositor-command");
188 unity_system_compositor_set_command (compositor, command);
190 timeout = seat_get_integer_property (seat, "unity-compositor-timeout");
193 unity_system_compositor_set_timeout (compositor, timeout);
195 vt = get_vt (seat, DISPLAY_SERVER (compositor));
197 unity_system_compositor_set_vt (compositor, vt);
201 socket_name = g_strdup_printf ("/tmp/lightdm-mir-%d", i);
202 if (!g_file_test (socket_name, G_FILE_TEST_EXISTS))
205 unity_system_compositor_set_socket (compositor, socket_name);
206 g_free (socket_name);
208 return DISPLAY_SERVER (compositor);
211 static DisplayServer *
212 seat_xlocal_create_display_server (Seat *seat, const gchar *session_type)
214 if (strcmp (session_type, "x") == 0)
215 return create_x_server (seat);
216 else if (strcmp (session_type, "mir") == 0)
217 return create_unity_system_compositor (seat);
220 l_warning (seat, "Can't create unsupported display server '%s'", session_type);
226 seat_xlocal_create_greeter_session (Seat *seat)
228 Greeter *greeter_session;
229 const gchar *xdg_seat;
231 greeter_session = SEAT_CLASS (seat_xlocal_parent_class)->create_greeter_session (seat);
232 xdg_seat = seat_get_string_property (seat, "xdg-seat");
235 l_debug (seat, "Setting XDG_SEAT=%s", xdg_seat);
236 session_set_env (SESSION (greeter_session), "XDG_SEAT", xdg_seat);
238 return greeter_session;
242 seat_xlocal_create_session (Seat *seat)
245 const gchar *xdg_seat;
247 session = SEAT_CLASS (seat_xlocal_parent_class)->create_session (seat);
248 xdg_seat = seat_get_string_property (seat, "xdg-seat");
251 l_debug (seat, "Setting XDG_SEAT=%s", xdg_seat);
252 session_set_env (SESSION (session), "XDG_SEAT", xdg_seat);
258 seat_xlocal_set_active_session (Seat *seat, Session *session)
260 gint vt = display_server_get_vt (session_get_display_server (session));
264 SEAT_CLASS (seat_xlocal_parent_class)->set_active_session (seat, session);
268 seat_xlocal_get_active_session (Seat *seat)
273 vt = vt_get_active ();
277 for (link = seat_get_sessions (seat); link; link = link->next)
279 Session *session = link->data;
280 DisplayServer *display_server;
282 display_server = session_get_display_server (session);
283 if (display_server && display_server_get_vt (display_server) == vt)
291 seat_xlocal_run_script (Seat *seat, DisplayServer *display_server, Process *script)
294 XServerLocal *x_server;
296 x_server = X_SERVER_LOCAL (display_server);
297 path = x_server_local_get_authority_file_path (x_server);
298 process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
299 process_set_env (script, "XAUTHORITY", path);
301 SEAT_CLASS (seat_xlocal_parent_class)->run_script (seat, display_server, script);
305 seat_xlocal_init (SeatXLocal *seat)
310 seat_xlocal_class_init (SeatXLocalClass *klass)
312 SeatClass *seat_class = SEAT_CLASS (klass);
314 seat_class->get_start_local_sessions = seat_xlocal_get_start_local_sessions;
315 seat_class->setup = seat_xlocal_setup;
316 seat_class->start = seat_xlocal_start;
317 seat_class->create_display_server = seat_xlocal_create_display_server;
318 seat_class->create_greeter_session = seat_xlocal_create_greeter_session;
319 seat_class->create_session = seat_xlocal_create_session;
320 seat_class->set_active_session = seat_xlocal_set_active_session;
321 seat_class->get_active_session = seat_xlocal_get_active_session;
322 seat_class->run_script = seat_xlocal_run_script;