src/seat-xremote.c

   1 /*
   2  * Copyright (C) 2010-2011 Robert Ancell.
   3  * Author: Robert Ancell <robert.ancell@canonical.com>
   4  *
   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
   9  * license.
  10  */
  11
  12 #include <string.h>
  13
  14 #include "seat-xremote.h"
  15 #include "configuration.h"
  16 #include "x-server-remote.h"
  17
  18 G_DEFINE_TYPE (SeatXRemote, seat_xremote, SEAT_TYPE);
  19
  20 static void
  21 seat_xremote_setup (Seat *seat)
  22 {
  23     seat_set_can_switch (seat, FALSE);
  24     SEAT_CLASS (seat_xremote_parent_class)->setup (seat);
  25 }
  26
  27 static DisplayServer *
  28 seat_xremote_create_display_server (Seat *seat, const gchar *session_type, gboolean is_greeter)
  29 {
  30     XServerRemote *x_server;
  31     const gchar *hostname;
  32     gint number;
  33
  34     if (strcmp (session_type, "x") != 0)
  35     {
  36         l_warning (seat, "X remote seat only supports X display servers, not '%s'", session_type);
  37         return NULL;
  38     }
  39
  40     hostname = seat_get_string_property (seat, "xserver-hostname");
  41     if (!hostname)
  42         hostname = "localhost";
  43     number = seat_get_integer_property (seat, "xserver-display-number");
  44
  45     l_debug (seat, "Starting remote X display %s:%d", hostname, number);
  46
  47     x_server = x_server_remote_new (hostname, number, NULL);
  48
  49     return DISPLAY_SERVER (x_server);
  50 }
  51
  52 static Greeter *
  53 seat_xremote_create_greeter_session (Seat *seat)
  54 {
  55     Greeter *greeter_session;
  56     const gchar *xdg_seat;
  57
  58     greeter_session = SEAT_CLASS (seat_xremote_parent_class)->create_greeter_session (seat);
  59     xdg_seat = seat_get_string_property (seat, "xdg-seat");
  60     if (!xdg_seat)
  61         xdg_seat = "seat0";
  62     l_debug (seat, "Setting XDG_SEAT=%s", xdg_seat);
  63     session_set_env (SESSION (greeter_session), "XDG_SEAT", xdg_seat);
  64
  65     return greeter_session;
  66 }
  67
  68 static Session *
  69 seat_xremote_create_session (Seat *seat)
  70 {
  71     Session *session;
  72     const gchar *xdg_seat;
  73
  74     session = SEAT_CLASS (seat_xremote_parent_class)->create_session (seat);
  75     xdg_seat = seat_get_string_property (seat, "xdg-seat");
  76     if (!xdg_seat)
  77         xdg_seat = "seat0";
  78     l_debug (seat, "Setting XDG_SEAT=%s", xdg_seat);
  79     session_set_env (SESSION (session), "XDG_SEAT", xdg_seat);
  80
  81     return session;
  82 }
  83
  84 static void
  85 seat_xremote_run_script (Seat *seat, DisplayServer *display_server, Process *script)
  86 {
  87     XServerRemote *x_server;
  88
  89     x_server = X_SERVER_REMOTE (display_server);
  90     process_set_env (script, "DISPLAY", x_server_get_address (X_SERVER (x_server)));
  91     process_set_env (script, "REMOTE_HOST", x_server_get_hostname (X_SERVER (x_server)));
  92
  93     SEAT_CLASS (seat_xremote_parent_class)->run_script (seat, display_server, script);
  94 }
  95
  96 static void
  97 seat_xremote_init (SeatXRemote *seat)
  98 {
  99 }
 100
 101 static void
 102 seat_xremote_class_init (SeatXRemoteClass *klass)
 103 {
 104     SeatClass *seat_class = SEAT_CLASS (klass);
 105
 106     seat_class->setup = seat_xremote_setup;
 107     seat_class->create_display_server = seat_xremote_create_display_server;
 108     seat_class->create_greeter_session = seat_xremote_create_greeter_session;
 109     seat_class->create_session = seat_xremote_create_session;
 110     seat_class->run_script = seat_xremote_run_script;
 111 }