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annotate pkui-icon.c @ 15:c7eac2574c76

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author Guido Berhoerster <guido@berhoerster.name>
date Thu, 20 Oct 2011 09:06:52 +0200
parents 64f05992d8ec
children 9537882d759f
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14
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1 /*
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2 * (C) 2011 Guido Berhoerster <gber@opensuse.org>
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3 *
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4 * Licensed under the GNU General Public License Version 2
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5 *
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6 * This program is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 2 of the License, or
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9 * (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program; if not, write to the Free Software
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18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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19 */
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20
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21 #include <glib/gi18n.h>
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22 #include <libnotify/notify.h>
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23 #include "pkui-backend.h"
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24 #include "pkui-icon.h"
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25
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26 G_DEFINE_TYPE(PkuiIcon, pkui_icon, G_TYPE_OBJECT)
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27
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28 #define UPDATE_VIEWER_COMMAND "/usr/bin/gpk-update-viewer"
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29
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30 #define PKUI_ICON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
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31 PKUI_TYPE_ICON, PkuiIconPrivate))
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32
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33 struct _PkuiIconPrivate
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34 {
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35 PkuiBackend *backend;
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36
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37 GtkStatusIcon *status_icon;
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38 GtkWidget *status_icon_popup_menu;
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39 NotifyNotification *notification;
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40 };
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41
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42 static GtkWidget* icon_popup_menu_create(PkuiIcon *self);
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43 static void icon_popup_menu_popup(GtkStatusIcon *status_icon, guint button,
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44 guint activate_time, gpointer user_data);
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45 static void icon_activated(GtkStatusIcon *status_icon, gpointer user_data);
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46 static void backend_state_changed(PkuiBackend *backend, gpointer user_data);
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47
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48 static void
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49 pkui_icon_finalize(GObject *gobject)
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50 {
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51 PkuiIcon *self = PKUI_ICON(gobject);
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52
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53 gtk_widget_destroy(self->priv->status_icon_popup_menu);
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54 g_object_unref(self->priv->status_icon_popup_menu);
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55 g_object_unref(self->priv->status_icon);
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56 if (self->priv->notification != NULL) {
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57 notify_notification_close(self->priv->notification, NULL);
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58 g_object_unref(self->priv->notification);
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59 }
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60 g_object_unref(self->priv->backend);
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61
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62 G_OBJECT_CLASS(pkui_icon_parent_class)->finalize(gobject);
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63 }
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64
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65 static void
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66 pkui_icon_class_init(PkuiIconClass *klass)
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67 {
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68 GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
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69
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70 gobject_class->finalize = pkui_icon_finalize;
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71
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72 g_type_class_add_private(klass, sizeof (PkuiIconPrivate));
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73 }
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74
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75 static void
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76 pkui_icon_init(PkuiIcon *self)
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77 {
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78 self->priv = PKUI_ICON_GET_PRIVATE(self);
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79
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80 gtk_window_set_default_icon_name("system-software-update");
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81
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82 self->priv->status_icon_popup_menu = icon_popup_menu_create(self);
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83 g_object_ref(self->priv->status_icon_popup_menu);
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84 g_object_ref_sink(GTK_OBJECT(self->priv->status_icon_popup_menu));
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85
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86 self->priv->status_icon = gtk_status_icon_new();
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87 gtk_status_icon_set_title(self->priv->status_icon,
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88 _("Software Updates"));
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89 gtk_status_icon_set_visible(self->priv->status_icon, FALSE);
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90 g_signal_connect(G_OBJECT(self->priv->status_icon), "activate",
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91 G_CALLBACK(icon_activated), self);
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92 g_signal_connect(G_OBJECT(self->priv->status_icon), "popup-menu",
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93 G_CALLBACK(icon_popup_menu_popup), self);
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94
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95 self->priv->notification = NULL;
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96
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97 self->priv->backend = NULL;
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98 }
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99
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100 static void
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101 backend_check_now(GtkMenuItem *menu_item, gpointer user_data)
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102 {
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103 PkuiIcon *self = PKUI_ICON(user_data);
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104
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105 g_return_if_fail(PKUI_IS_BACKEND(self->priv->backend));
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106
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107 pkui_backend_check_now(self->priv->backend);
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108 }
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109
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110 static GtkWidget*
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111 icon_popup_menu_create(PkuiIcon *self)
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112 {
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113 GtkWidget *popup_menu = gtk_menu_new();
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114 GtkWidget *item;
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115 GtkWidget *image;
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116
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117 item = gtk_image_menu_item_new_with_mnemonic(_("_Check for Updates"));
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118 image = gtk_image_new_from_icon_name(GTK_STOCK_REFRESH,
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119 GTK_ICON_SIZE_MENU);
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120 gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(item), image);
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121 gtk_menu_shell_append(GTK_MENU_SHELL(popup_menu), item);
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122 g_signal_connect(G_OBJECT(item), "activate",
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123 G_CALLBACK(backend_check_now), self);
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124
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125 gtk_widget_show_all(GTK_WIDGET(popup_menu));
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126
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127 return (popup_menu);
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128 }
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129
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130 static void
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131 icon_popup_menu_popup(GtkStatusIcon *status_icon, guint button,
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132 guint activate_time, gpointer user_data)
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133 {
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134 PkuiIcon *self = PKUI_ICON(user_data);
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135
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136 gtk_menu_popup(GTK_MENU(self->priv->status_icon_popup_menu), NULL, NULL,
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137 NULL, NULL, button, activate_time);
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138 }
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139
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140 static void
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141 update_notification(PkuiIcon *self, guint updates_normal,
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142 guint updates_important)
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143 {
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144 gchar *message;
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145 gchar *title = updates_important ?
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146 ngettext("Important Software Update", "Important Software Updates",
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147 updates_important + updates_normal) :
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148 ngettext("Software Update", "Software Updates", updates_important +
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149 updates_normal);
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150 gchar *icon = updates_important ? "software-update-urgent" :
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151 "software-update-available";
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152
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153 if (updates_important > 0)
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154 if (updates_normal > 0)
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155 message = g_strdup_printf(ngettext("There are %d "
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156 "software updates available, %d of them is "
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157 "important.", "There are %d software updates "
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158 "available, %d of them are important.",
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159 updates_important),
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160 updates_normal + updates_important,
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161 updates_important);
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162 else
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163 message = g_strdup_printf(ngettext("There is an "
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164 "important software update available.", "There are "
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165 "%d important software updates available.",
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166 updates_important), updates_important);
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167 else
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168 message = g_strdup_printf(ngettext("There is a software update "
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169 "available.", "There are %d software updates available.",
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170 updates_normal), updates_normal);
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171
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172 gtk_status_icon_set_tooltip(self->priv->status_icon, message);
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173 gtk_status_icon_set_from_icon_name(self->priv->status_icon, icon);
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174 gtk_status_icon_set_visible(self->priv->status_icon, TRUE);
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175
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176 if (self->priv->notification == NULL)
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177 self->priv->notification = notify_notification_new(title,
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178 message, icon
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179 #if (NOTIFY_VERSION_MAJOR == 0 && NOTIFY_VERSION_MINOR < 7)
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180 , NULL
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181 #endif
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182 );
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183 else
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184 notify_notification_update(self->priv->notification, title,
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185 message, icon);
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186
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187 notify_notification_set_timeout(self->priv->notification,
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188 NOTIFY_EXPIRES_NEVER);
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189 notify_notification_set_urgency(self->priv->notification,
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190 updates_important ? NOTIFY_URGENCY_CRITICAL :
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191 NOTIFY_URGENCY_NORMAL);
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192 notify_notification_show(self->priv->notification, NULL);
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193
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194 g_free(message);
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195 }
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196
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197 static void
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198 hide_notification(PkuiIcon *self)
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199 {
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200 gtk_status_icon_set_visible(self->priv->status_icon, FALSE);
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201 notify_notification_close(self->priv->notification, NULL);
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202 }
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203
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204
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205 static void
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206 backend_state_changed(PkuiBackend *backend, gpointer user_data)
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207 {
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208 PkuiIcon *self = PKUI_ICON(user_data);
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209 guint updates_normal;
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210 guint updates_important;
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211
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212 g_return_if_fail(PKUI_IS_BACKEND(backend));
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213
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214 updates_normal = pkui_backend_get_updates_normal(backend);
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215 updates_important = pkui_backend_get_updates_important(backend);
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216 if (updates_normal > 0 || updates_important > 0)
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217 update_notification(self, updates_normal, updates_important);
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218 else if (updates_normal + updates_important == 0)
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219 hide_notification(self);
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220 }
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221
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222 static void
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223 update_viewer_exited(GPid pid, gint status, gpointer user_data)
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224 {
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225 PkuiIcon *self = PKUI_ICON(user_data);
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226
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227 g_return_if_fail(PKUI_IS_BACKEND(self->priv->backend));
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228
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229 g_spawn_close_pid(pid);
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diff changeset
230
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231 pkui_backend_check_now(self->priv->backend);
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232 pkui_backend_set_inhibit_check(self->priv->backend, FALSE);
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233 }
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234
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235 static void
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diff changeset
236 icon_activated(GtkStatusIcon *status_icon, gpointer user_data)
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diff changeset
237 {
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238 PkuiIcon *self = PKUI_ICON(user_data);
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239 static const gchar *argv[] = { UPDATE_VIEWER_COMMAND, NULL };
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240 GPid pid;
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diff changeset
241 gboolean retval;
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diff changeset
242
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243 g_return_if_fail(PKUI_IS_BACKEND(self->priv->backend));
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244
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diff changeset
245 retval = g_spawn_async(NULL, (gchar **)argv, NULL,
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diff changeset
246 G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL);
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diff changeset
247 if (!retval) {
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diff changeset
248 g_warning("Could not execute" UPDATE_VIEWER_COMMAND);
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diff changeset
249 return;
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diff changeset
250 }
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diff changeset
251 g_child_watch_add(pid, (GChildWatchFunc)update_viewer_exited, self);
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diff changeset
252
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253 pkui_backend_set_inhibit_check(self->priv->backend, TRUE);
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diff changeset
254 hide_notification(self);
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diff changeset
255 }
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diff changeset
256
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diff changeset
257 PkuiIcon *
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diff changeset
258 pkui_icon_new(guint startup_delay, guint check_interval)
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diff changeset
259 {
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diff changeset
260 PkuiIcon *icon = g_object_new(PKUI_TYPE_ICON, NULL);
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diff changeset
261
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diff changeset
262 icon->priv->backend = pkui_backend_new(startup_delay, check_interval);
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diff changeset
263 g_signal_connect(icon->priv->backend, "state-changed",
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diff changeset
264 G_CALLBACK(backend_state_changed), icon);
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diff changeset
265
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diff changeset
266 return (icon);
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diff changeset
267 }