src/greeter-session.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 <config.h>
  13
  14 #include <string.h>
  15 #include <errno.h>
  16
  17 #include "greeter-session.h"
  18
  19 struct GreeterSessionPrivate
  20 {
  21     /* Greeter running inside this session */
  22     Greeter *greeter;
  23 };
  24
  25 G_DEFINE_TYPE (GreeterSession, greeter_session, SESSION_TYPE);
  26
  27 GreeterSession *
  28 greeter_session_new (void)
  29 {
  30     return g_object_new (GREETER_SESSION_TYPE, NULL);
  31 }
  32
  33 Greeter *
  34 greeter_session_get_greeter (GreeterSession *session)
  35 {
  36     g_return_val_if_fail (session != NULL, NULL);
  37     return session->priv->greeter;
  38 }
  39
  40 static gboolean
  41 setup_cb (Greeter *greeter, int input_fd, int output_fd, gpointer user_data)
  42 {
  43     Session *session = user_data;
  44     gchar *value;
  45
  46     /* Let the greeter session know how to communicate with the daemon */
  47     value = g_strdup_printf ("%d", input_fd);
  48     session_set_env (session, "LIGHTDM_TO_SERVER_FD", value);
  49     g_free (value);
  50     value = g_strdup_printf ("%d", output_fd);
  51     session_set_env (session, "LIGHTDM_FROM_SERVER_FD", value);
  52     g_free (value);
  53
  54     return SESSION_CLASS (greeter_session_parent_class)->start (session);
  55 }
  56
  57 static gboolean
  58 greeter_session_start (Session *session)
  59 {
  60     GreeterSession *s = GREETER_SESSION (session);
  61     return greeter_start (s->priv->greeter, setup_cb, session);
  62 }
  63
  64 static void
  65 greeter_session_stop (Session *session)
  66 {
  67     GreeterSession *s = GREETER_SESSION (session);
  68
  69     greeter_stop (s->priv->greeter);
  70
  71     SESSION_CLASS (greeter_session_parent_class)->stop (session);
  72 }
  73
  74 static void
  75 greeter_session_init (GreeterSession *session)
  76 {
  77     session->priv = G_TYPE_INSTANCE_GET_PRIVATE (session, GREETER_SESSION_TYPE, GreeterSessionPrivate);
  78     session->priv->greeter = greeter_new ();
  79 }
  80
  81 static void
  82 greeter_session_finalize (GObject *object)
  83 {
  84     GreeterSession *self = GREETER_SESSION (object);
  85
  86     g_clear_object (&self->priv->greeter);
  87
  88     G_OBJECT_CLASS (greeter_session_parent_class)->finalize (object);
  89 }
  90
  91 static void
  92 greeter_session_class_init (GreeterSessionClass *klass)
  93 {
  94     SessionClass *session_class = SESSION_CLASS (klass);
  95     GObjectClass *object_class = G_OBJECT_CLASS (klass);
  96
  97     session_class->start = greeter_session_start;
  98     session_class->stop = greeter_session_stop;
  99     object_class->finalize = greeter_session_finalize;
 100
 101     g_type_class_add_private (klass, sizeof (GreeterSessionPrivate));
 102 }