1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | * |
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19 | */ |
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20 | |
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21 | #include "config.h" |
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22 | |
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23 | #include <stdlib.h> |
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24 | #include <stdio.h> |
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25 | |
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26 | #include <glib.h> |
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27 | #include <glib/gi18n.h> |
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28 | #include <glib-object.h> |
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29 | |
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30 | #include "gdm-display-factory.h" |
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31 | #include "gdm-display-store.h" |
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32 | |
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33 | #define GDM_DISPLAY_FACTORY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_DISPLAY_FACTORY, GdmDisplayFactoryPrivate)) |
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34 | |
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35 | struct GdmDisplayFactoryPrivate |
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36 | { |
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37 | GdmDisplayStore *display_store; |
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38 | }; |
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39 | |
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40 | enum { |
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41 | PROP_0, |
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42 | PROP_DISPLAY_STORE, |
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43 | }; |
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44 | |
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45 | static void gdm_display_factory_class_init (GdmDisplayFactoryClass *klass); |
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46 | static void gdm_display_factory_init (GdmDisplayFactory *factory); |
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47 | static void gdm_display_factory_finalize (GObject *object); |
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48 | |
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49 | G_DEFINE_ABSTRACT_TYPE (GdmDisplayFactory, gdm_display_factory, G_TYPE_OBJECT) |
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50 | |
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51 | GQuark |
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52 | gdm_display_factory_error_quark (void) |
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53 | { |
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54 | static GQuark ret = 0; |
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55 | if (ret == 0) { |
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56 | ret = g_quark_from_static_string ("gdm_display_factory_error"); |
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57 | } |
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58 | |
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59 | return ret; |
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60 | } |
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61 | |
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62 | GdmDisplayStore * |
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63 | gdm_display_factory_get_display_store (GdmDisplayFactory *factory) |
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64 | { |
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65 | g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), NULL); |
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66 | |
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67 | return factory->priv->display_store; |
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68 | } |
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69 | |
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70 | gboolean |
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71 | gdm_display_factory_start (GdmDisplayFactory *factory) |
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72 | { |
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73 | gboolean ret; |
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74 | |
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75 | g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), FALSE); |
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76 | |
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77 | g_object_ref (factory); |
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78 | ret = GDM_DISPLAY_FACTORY_GET_CLASS (factory)->start (factory); |
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79 | g_object_unref (factory); |
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80 | |
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81 | return ret; |
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82 | } |
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83 | |
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84 | gboolean |
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85 | gdm_display_factory_stop (GdmDisplayFactory *factory) |
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86 | { |
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87 | gboolean ret; |
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88 | |
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89 | g_return_val_if_fail (GDM_IS_DISPLAY_FACTORY (factory), FALSE); |
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90 | |
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91 | g_object_ref (factory); |
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92 | ret = GDM_DISPLAY_FACTORY_GET_CLASS (factory)->stop (factory); |
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93 | g_object_unref (factory); |
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94 | |
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95 | return ret; |
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96 | } |
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97 | |
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98 | static void |
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99 | gdm_display_factory_set_display_store (GdmDisplayFactory *factory, |
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100 | GdmDisplayStore *display_store) |
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101 | { |
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102 | if (factory->priv->display_store != NULL) { |
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103 | g_object_unref (factory->priv->display_store); |
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104 | factory->priv->display_store = NULL; |
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105 | } |
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106 | |
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107 | if (display_store != NULL) { |
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108 | factory->priv->display_store = g_object_ref (display_store); |
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109 | } |
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110 | } |
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111 | |
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112 | static void |
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113 | gdm_display_factory_set_property (GObject *object, |
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114 | guint prop_id, |
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115 | const GValue *value, |
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116 | GParamSpec *pspec) |
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117 | { |
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118 | GdmDisplayFactory *self; |
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119 | |
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120 | self = GDM_DISPLAY_FACTORY (object); |
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121 | |
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122 | switch (prop_id) { |
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123 | case PROP_DISPLAY_STORE: |
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124 | gdm_display_factory_set_display_store (self, g_value_get_object (value)); |
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125 | break; |
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126 | default: |
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127 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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128 | break; |
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129 | } |
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130 | } |
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131 | |
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132 | static void |
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133 | gdm_display_factory_get_property (GObject *object, |
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134 | guint prop_id, |
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135 | GValue *value, |
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136 | GParamSpec *pspec) |
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137 | { |
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138 | GdmDisplayFactory *self; |
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139 | |
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140 | self = GDM_DISPLAY_FACTORY (object); |
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141 | |
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142 | switch (prop_id) { |
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143 | case PROP_DISPLAY_STORE: |
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144 | g_value_set_object (value, self->priv->display_store); |
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145 | break; |
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146 | default: |
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147 | G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
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148 | break; |
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149 | } |
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150 | } |
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151 | |
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152 | static void |
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153 | gdm_display_factory_class_init (GdmDisplayFactoryClass *klass) |
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154 | { |
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155 | GObjectClass *object_class = G_OBJECT_CLASS (klass); |
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156 | |
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157 | object_class->get_property = gdm_display_factory_get_property; |
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158 | object_class->set_property = gdm_display_factory_set_property; |
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159 | object_class->finalize = gdm_display_factory_finalize; |
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160 | |
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161 | g_object_class_install_property (object_class, |
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162 | PROP_DISPLAY_STORE, |
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163 | g_param_spec_object ("display-store", |
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164 | "display store", |
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165 | "display store", |
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166 | GDM_TYPE_DISPLAY_STORE, |
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167 | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY)); |
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168 | |
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169 | g_type_class_add_private (klass, sizeof (GdmDisplayFactoryPrivate)); |
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170 | } |
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171 | |
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172 | static void |
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173 | gdm_display_factory_init (GdmDisplayFactory *factory) |
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174 | { |
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175 | factory->priv = GDM_DISPLAY_FACTORY_GET_PRIVATE (factory); |
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176 | } |
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177 | |
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178 | static void |
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179 | gdm_display_factory_finalize (GObject *object) |
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180 | { |
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181 | GdmDisplayFactory *factory; |
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182 | |
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183 | g_return_if_fail (object != NULL); |
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184 | g_return_if_fail (GDM_IS_DISPLAY_FACTORY (object)); |
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185 | |
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186 | factory = GDM_DISPLAY_FACTORY (object); |
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187 | |
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188 | g_return_if_fail (factory->priv != NULL); |
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189 | |
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190 | G_OBJECT_CLASS (gdm_display_factory_parent_class)->finalize (object); |
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191 | } |
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