/* A small wrapper utility to load indicators and put them as menu items into the gnome-panel using it's applet interface. Copyright 2009 Canonical Ltd. Authors: Ted Gould <ted@canonical.com> This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License version 3, as published by the Free Software Foundation. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranties of MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <glib/gi18n.h> #include <dbus/dbus-glib.h> #include <dbus/dbus-glib-bindings.h> #include <libdbusmenu-glib/server.h> #include <libdbusmenu-glib/menuitem.h> #include "dbus-shared-names.h" #define DKP_ADDRESS "org.freedesktop.DeviceKit.Power" #define DKP_OBJECT "/org/freedesktop/DeviceKit/Power" #define DKP_INTERFACE "org.freedesktop.DeviceKit.Power" static DbusmenuMenuitem * root_menuitem = NULL; static GMainLoop * mainloop = NULL; static DBusGProxy * dkp_main_proxy = NULL; static DBusGProxy * dkp_prop_proxy = NULL; static DBusGProxyCall * suspend_call = NULL; static DBusGProxyCall * hibernate_call = NULL; static DbusmenuMenuitem * hibernate_mi = NULL; static DbusmenuMenuitem * suspend_mi = NULL; /* Let's put this machine to sleep, with some info on how it should sleep. */ static void sleep (DbusmenuMenuitem * mi, gpointer userdata) { gchar * type = (gchar *)userdata; if (dkp_main_proxy == NULL) { g_warning("Can not %s as no DeviceKit Power Proxy", type); } dbus_g_proxy_call_no_reply(dkp_main_proxy, type, G_TYPE_INVALID, G_TYPE_INVALID); return; } /* A response to getting the suspend property */ static void suspend_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata) { suspend_call = NULL; GValue candoit = {0}; GError * error = NULL; dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_VALUE, &candoit, G_TYPE_INVALID); if (error != NULL) { g_warning("Unable to check suspend: %s", error->message); g_error_free(error); return; } g_debug("Got Suspend: %s", g_value_get_boolean(&candoit) ? "true" : "false"); if (suspend_mi != NULL) { dbusmenu_menuitem_property_set(suspend_mi, "visible", g_value_get_boolean(&candoit) ? "true" : "false"); } return; } /* Response to getting the hibernate property */ static void hibernate_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata) { hibernate_call = NULL; GValue candoit = {0}; GError * error = NULL; dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_VALUE, &candoit, G_TYPE_INVALID); if (error != NULL) { g_warning("Unable to check hibernate: %s", error->message); g_error_free(error); return; } g_debug("Got Hibernate: %s", g_value_get_boolean(&candoit) ? "true" : "false"); if (suspend_mi != NULL) { dbusmenu_menuitem_property_set(hibernate_mi, "visible", g_value_get_boolean(&candoit) ? "true" : "false"); } return; } /* A signal that we need to recheck to ensure we can still hibernate and/or suspend */ static void dpk_changed_cb (DBusGProxy * proxy, gpointer user_data) { /* Start Async call to see if we can hibernate */ if (suspend_call == NULL) { suspend_call = dbus_g_proxy_begin_call(dkp_prop_proxy, "Get", suspend_prop_cb, NULL, NULL, G_TYPE_STRING, DKP_INTERFACE, G_TYPE_STRING, "can-suspend", G_TYPE_INVALID, G_TYPE_VALUE, G_TYPE_INVALID); } /* Start Async call to see if we can suspend */ if (hibernate_call == NULL) { hibernate_call = dbus_g_proxy_begin_call(dkp_prop_proxy, "Get", hibernate_prop_cb, NULL, NULL, G_TYPE_STRING, DKP_INTERFACE, G_TYPE_STRING, "can-hibernate", G_TYPE_INVALID, G_TYPE_VALUE, G_TYPE_INVALID); } return; } /* This function goes through and sets up what we need for DKp checking. We're even setting up the calls for the props we need */ static void setup_dkp (void) { DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL); g_return_if_fail(bus != NULL); if (dkp_main_proxy == NULL) { dkp_main_proxy = dbus_g_proxy_new_for_name(bus, DKP_ADDRESS, DKP_OBJECT, DKP_INTERFACE); } g_return_if_fail(dkp_main_proxy != NULL); if (dkp_prop_proxy == NULL) { dkp_prop_proxy = dbus_g_proxy_new_for_name(bus, DKP_ADDRESS, DKP_OBJECT, DBUS_INTERFACE_PROPERTIES); } g_return_if_fail(dkp_prop_proxy != NULL); /* Connect to changed signal */ dbus_g_proxy_add_signal(dkp_main_proxy, "Changed", G_TYPE_INVALID); dbus_g_proxy_connect_signal(dkp_main_proxy, "Changed", G_CALLBACK(dpk_changed_cb), NULL, NULL); /* Force an original "changed" event */ dpk_changed_cb(dkp_main_proxy, NULL); return; } /* This is the function to show a dialog on actions that can destroy data. Currently it just calls the GTK version but it seems that in the future it should figure out what's going on and something better. */ static void show_dialog (DbusmenuMenuitem * mi, gchar * type) { gchar * helper = g_build_filename(LIBEXECDIR, "gtk-logout-helper", NULL); gchar * dialog_line = g_strdup_printf("%s --%s", helper, type); g_free(helper); g_debug("Showing dialog '%s'", dialog_line); GError * error = NULL; if (!g_spawn_command_line_async(dialog_line, &error)) { g_warning("Unable to show dialog: %s", error->message); g_error_free(error); } g_free(dialog_line); return; } /* This function creates all of the menuitems that the service provides in the UI. It also connects them to the callbacks. */ static void create_items (DbusmenuMenuitem * root) { DbusmenuMenuitem * mi = NULL; mi = dbusmenu_menuitem_new(); dbusmenu_menuitem_property_set(mi, "label", _("Log Out")); dbusmenu_menuitem_child_append(root, mi); g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "logout"); suspend_mi = dbusmenu_menuitem_new(); dbusmenu_menuitem_property_set(suspend_mi, "visible", "false"); dbusmenu_menuitem_property_set(suspend_mi, "label", _("Suspend")); dbusmenu_menuitem_child_append(root, suspend_mi); g_signal_connect(G_OBJECT(suspend_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(sleep), "Suspend"); hibernate_mi = dbusmenu_menuitem_new(); dbusmenu_menuitem_property_set(hibernate_mi, "visible", "false"); dbusmenu_menuitem_property_set(hibernate_mi, "label", _("Hibernate")); dbusmenu_menuitem_child_append(root, hibernate_mi); g_signal_connect(G_OBJECT(hibernate_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(sleep), "Hibernate"); mi = dbusmenu_menuitem_new(); dbusmenu_menuitem_property_set(mi, "label", _("Restart")); dbusmenu_menuitem_child_append(root, mi); g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "restart"); mi = dbusmenu_menuitem_new(); dbusmenu_menuitem_property_set(mi, "label", _("Shutdown")); dbusmenu_menuitem_child_append(root, mi); g_signal_connect(G_OBJECT(mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "shutdown"); return; } /* Main, is well, main. It brings everything up and throws us into the mainloop of no return. */ int main (int argc, char ** argv) { g_type_init(); DBusGConnection * connection = dbus_g_bus_get(DBUS_BUS_SESSION, NULL); DBusGProxy * bus_proxy = dbus_g_proxy_new_for_name(connection, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS); GError * error = NULL; guint nameret = 0; if (!org_freedesktop_DBus_request_name(bus_proxy, INDICATOR_SESSION_DBUS_NAME, 0, &nameret, &error)) { g_error("Unable to call to request name"); return 1; } if (nameret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) { g_error("Unable to get name"); return 1; } root_menuitem = dbusmenu_menuitem_new(); g_debug("Root ID: %d", dbusmenu_menuitem_get_id(root_menuitem)); create_items(root_menuitem); setup_dkp(); DbusmenuServer * server = dbusmenu_server_new(INDICATOR_SESSION_DBUS_OBJECT); dbusmenu_server_set_root(server, root_menuitem); mainloop = g_main_loop_new(NULL, FALSE); g_main_loop_run(mainloop); return 0; }