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)
64 const gchar *xdg_seat = seat_get_string_property (seat, "xdg-seat");
66 /* If Plymouth is running, stop it */
67 if (plymouth_get_is_active () && plymouth_has_active_vt ())
69 gint active_vt = vt_get_active ();
70 if (active_vt >= vt_get_min ())
73 g_signal_connect (display_server, "ready", G_CALLBACK (display_server_ready_cb), seat);
74 g_signal_connect (display_server, "stopped", G_CALLBACK (display_server_transition_plymouth_cb), seat);
75 plymouth_deactivate ();
78 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 ());
80 if (plymouth_get_is_active ())
81 plymouth_quit (FALSE);
84 if (vt < 0 && g_strcmp0 (xdg_seat, "seat0") == 0)
85 vt = vt_get_unused ();
90 static DisplayServer *
91 create_x_server (Seat *seat)
93 XServerLocal *x_server;
94 const gchar *command = NULL, *layout = NULL, *config_file = NULL, *xdmcp_manager = NULL, *key_name = NULL;
98 x_server = x_server_local_new ();
100 vt = get_vt (seat, DISPLAY_SERVER (x_server));
102 x_server_local_set_vt (x_server, vt);
105 l_debug (seat, "Starting local X display on VT %d", vt);
107 l_debug (seat, "Starting local X display");
109 /* If running inside an X server use Xephyr instead */
110 if (g_getenv ("DISPLAY"))
113 command = seat_get_string_property (seat, "xserver-command");
115 x_server_local_set_command (x_server, command);
117 layout = seat_get_string_property (seat, "xserver-layout");
119 x_server_local_set_layout (x_server, layout);
121 x_server_local_set_xdg_seat (x_server, seat_get_name (seat));
123 config_file = seat_get_string_property (seat, "xserver-config");
125 x_server_local_set_config (x_server, config_file);
127 allow_tcp = seat_get_boolean_property (seat, "xserver-allow-tcp");
128 x_server_local_set_allow_tcp (x_server, allow_tcp);
130 xdmcp_manager = seat_get_string_property (seat, "xdmcp-manager");
132 x_server_local_set_xdmcp_server (x_server, xdmcp_manager);
134 port = seat_get_integer_property (seat, "xdmcp-port");
136 x_server_local_set_xdmcp_port (x_server, port);
138 key_name = seat_get_string_property (seat, "xdmcp-key");
144 GError *error = NULL;
146 dir = config_get_string (config_get_instance (), "LightDM", "config-directory");
147 path = g_build_filename (dir, "keys.conf", NULL);
150 keys = g_key_file_new ();
151 result = g_key_file_load_from_file (keys, path, G_KEY_FILE_NONE, &error);
153 l_debug (seat, "Error getting key %s", error->message);
154 g_clear_error (&error);
160 if (g_key_file_has_key (keys, "keyring", key_name, NULL))
161 key = g_key_file_get_string (keys, "keyring", key_name, NULL);
163 l_debug (seat, "Key %s not defined", key_name);
166 x_server_local_set_xdmcp_key (x_server, key);
171 g_key_file_free (keys);
174 return DISPLAY_SERVER (x_server);
177 static DisplayServer *
178 create_unity_system_compositor (Seat *seat)
180 UnitySystemCompositor *compositor;
181 const gchar *command;
185 compositor = unity_system_compositor_new ();
187 command = seat_get_string_property (seat, "unity-compositor-command");
189 unity_system_compositor_set_command (compositor, command);
191 timeout = seat_get_integer_property (seat, "unity-compositor-timeout");
194 unity_system_compositor_set_timeout (compositor, timeout);
196 vt = get_vt (seat, DISPLAY_SERVER (compositor));
198 unity_system_compositor_set_vt (compositor, vt);
202 socket_name = g_strdup_printf ("/tmp/lightdm-mir-%d", i);
203 if (!g_file_test (socket_name, G_FILE_TEST_EXISTS))
206 unity_system_compositor_set_socket (compositor, socket_name);
207 g_free (socket_name);
209 unity_system_compositor_set_enable_hardware_cursor (compositor, TRUE);
211 return DISPLAY_SERVER (compositor);
214 static DisplayServer *
215 seat_xlocal_create_display_server (Seat *seat, const gchar *session_type)
217 if (strcmp (session_type, "x") == 0)
218 return create_x_server (seat);
219 else if (strcmp (session_type, "mir") == 0)
220 return create_unity_system_compositor (seat);
223 l_warning (seat, "Can't create unsupported display server '%s'", session_type);
229 seat_xlocal_create_greeter_session (Seat *seat)
231 Greeter *greeter_session;
233 greeter_session = SEAT_CLASS (seat_xlocal_parent_class)->create_greeter_session (seat);
234 session_set_env (SESSION (greeter_session), "XDG_SEAT", seat_get_name (seat));
236 return greeter_session;
240 seat_xlocal_create_session (Seat *seat)
244 session = SEAT_CLASS (seat_xlocal_parent_class)->create_session (seat);
245 session_set_env (SESSION (session), "XDG_SEAT", seat_get_name (seat));
251 seat_xlocal_set_active_session (Seat *seat, Session *session)
253 gint vt = display_server_get_vt (session_get_display_server (session));
257 SEAT_CLASS (seat_xlocal_parent_class)->set_active_session (seat, session);
261 seat_xlocal_get_active_session (Seat *seat)
266 vt = vt_get_active ();
270 for (link = seat_get_sessions (seat); link; link = link->next)
272 Session *session = link->data;
273 DisplayServer *display_server;
275 display_server = session_get_display_server (session);
276 if (display_server && display_server_get_vt (display_server) == vt)
284 seat_xlocal_run_script (Seat *seat, DisplayServer *display_server, Process *script)
287 XServerLocal *x_server;
289 x_server = X_SERVER_LOCAL (display_server);
290 path = x_server_local_get_authority_file_path (x_server);
291 process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
292 process_set_env (script, "XAUTHORITY", path);
294 SEAT_CLASS (seat_xlocal_parent_class)->run_script (seat, display_server, script);
298 seat_xlocal_init (SeatXLocal *seat)
303 seat_xlocal_class_init (SeatXLocalClass *klass)
305 SeatClass *seat_class = SEAT_CLASS (klass);
307 seat_class->get_start_local_sessions = seat_xlocal_get_start_local_sessions;
308 seat_class->setup = seat_xlocal_setup;
309 seat_class->start = seat_xlocal_start;
310 seat_class->create_display_server = seat_xlocal_create_display_server;
311 seat_class->create_greeter_session = seat_xlocal_create_greeter_session;
312 seat_class->create_session = seat_xlocal_create_session;
313 seat_class->set_active_session = seat_xlocal_set_active_session;
314 seat_class->get_active_session = seat_xlocal_get_active_session;
315 seat_class->run_script = seat_xlocal_run_script;