src/display-server.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 "display-server.h"
  15
  16 enum {
  17     READY,
  18     STOPPED,
  19     LAST_SIGNAL
  20 };
  21 static guint signals[LAST_SIGNAL] = { 0 };
  22
  23 G_DEFINE_TYPE (DisplayServer, display_server, G_TYPE_OBJECT);
  24
  25 static void
  26 display_server_real_setup_session (DisplayServer *server, Session *session)
  27 {
  28 }
  29
  30 void
  31 display_server_setup_session (DisplayServer *server, Session *session)
  32 {
  33     g_return_if_fail (server != NULL);
  34
  35     DISPLAY_SERVER_GET_CLASS (server)->setup_session (server, session);
  36 }
  37
  38 static gboolean
  39 display_server_real_start (DisplayServer *server)
  40 {
  41     return FALSE;
  42 }
  43
  44 gboolean
  45 display_server_start (DisplayServer *server)
  46 {
  47     g_return_val_if_fail (server != NULL, FALSE);
  48     return DISPLAY_SERVER_GET_CLASS (server)->start (server);
  49 }
  50
  51 void
  52 display_server_set_ready (DisplayServer *server)
  53 {
  54     g_return_if_fail (server != NULL);
  55     g_signal_emit (server, signals[READY], 0);
  56 }
  57
  58 static gboolean
  59 display_server_real_restart (DisplayServer *server)
  60 {
  61     return FALSE;
  62 }
  63
  64 gboolean
  65 display_server_restart (DisplayServer *server)
  66 {
  67     g_return_val_if_fail (server != NULL, FALSE);
  68     return DISPLAY_SERVER_GET_CLASS (server)->restart (server);
  69 }
  70
  71 static void
  72 display_server_real_stop (DisplayServer *server)
  73 {
  74 }
  75
  76 void
  77 display_server_stop (DisplayServer *server)
  78 {
  79     g_return_if_fail (server != NULL);
  80     DISPLAY_SERVER_GET_CLASS (server)->stop (server);
  81 }
  82
  83 void
  84 display_server_set_stopped (DisplayServer *server)
  85 {
  86     g_return_if_fail (server != NULL);
  87     g_signal_emit (server, signals[STOPPED], 0);
  88 }
  89
  90 static void
  91 display_server_init (DisplayServer *server)
  92 {
  93 }
  94
  95 static void
  96 display_server_class_init (DisplayServerClass *klass)
  97 {
  98     klass->setup_session = display_server_real_setup_session;
  99     klass->start = display_server_real_start;
 100     klass->restart = display_server_real_restart;
 101     klass->stop = display_server_real_stop;
 102
 103     signals[READY] =
 104         g_signal_new ("ready",
 105                       G_TYPE_FROM_CLASS (klass),
 106                       G_SIGNAL_RUN_LAST,
 107                       G_STRUCT_OFFSET (DisplayServerClass, ready),
 108                       NULL, NULL,
 109                       g_cclosure_marshal_VOID__VOID,
 110                       G_TYPE_NONE, 0);
 111     signals[STOPPED] =
 112         g_signal_new ("stopped",
 113                       G_TYPE_FROM_CLASS (klass),
 114                       G_SIGNAL_RUN_LAST,
 115                       G_STRUCT_OFFSET (DisplayServerClass, stopped),
 116                       NULL, NULL,
 117                       g_cclosure_marshal_VOID__VOID,
 118                       G_TYPE_NONE, 0);
 119 }