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annotate pkui-icon.c @ 14:64f05992d8ec

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GObject-based rewrite use asynchronous packagekit-glib API use persistent menu widget and notification object update existing notification when new updates become available, close it when no updates are available show status icon when updates are available, hide it when no updates are available hide icon when gpk-update-viewer is executed, check for updates when gpk-update-viewer exits introduce a startup delay before the first check for updates is made add context menu item to manually trigger a check for updates remove context menu item for quitting pk-update-icon
author Guido Berhoerster <guido@berhoerster.name>
date Thu, 20 Oct 2011 08:19:22 +0200
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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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diff changeset
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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diff changeset
211
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212 g_return_if_fail(PKUI_IS_BACKEND(backend));
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diff changeset
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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diff changeset
221
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222 static void
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diff changeset
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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diff changeset
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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diff changeset
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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diff changeset
233 }
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diff changeset
234
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diff changeset
235 static void
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parents:
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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diff changeset
239 static const gchar *argv[] = { UPDATE_VIEWER_COMMAND, NULL };
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diff changeset
240 GPid pid;
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diff changeset
241 gboolean retval;
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diff changeset
242
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diff changeset
243 g_return_if_fail(PKUI_IS_BACKEND(self->priv->backend));
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diff changeset
244
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diff changeset
245 retval = g_spawn_async(NULL, (gchar **)argv, NULL,
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parents:
diff changeset
246 G_SPAWN_DO_NOT_REAP_CHILD, NULL, NULL, &pid, NULL);
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parents:
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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parents:
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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diff changeset
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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parents:
diff changeset
263 g_signal_connect(icon->priv->backend, "state-changed",
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parents:
diff changeset
264 G_CALLBACK(backend_state_changed), icon);
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diff changeset
265
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parents:
diff changeset
266 return (icon);
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parents:
diff changeset
267 }