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authorConor Curran <conor.curran@canonical.com>2011-07-15 12:54:17 +0100
committerConor Curran <conor.curran@canonical.com>2011-07-15 12:54:17 +0100
commit019030dc92107fb553e1f791cc2225b67b74968b (patch)
tree8043c9396576f983ec94ecf6ecccc4bb7c002e8a /src/user-menu-mgr.c
parenta25c68ce0d98e56921f38683a81e6d996446f744 (diff)
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first step - it compiles
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
+/*
+ * user-menu-mgr.c
+ * Copyright (C) Conor Curran 2011 <conor.curran@canonical.com>
+ *
+ * user-menu-mgr.c is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * user-menu-mgr.c is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY 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 <libdbusmenu-gtk3/menuitem.h>
+#include <libdbusmenu-glib/client.h>
+
+#include "user-menu-mgr.h"
+#include "gconf-helper.h"
+#include "dbus-shared-names.h"
+#include "dbusmenu-shared.h"
+#include "lock-helper.h"
+
+
+static GConfClient * gconf_client = NULL;
+static DbusmenuMenuitem *switch_menuitem = NULL;
+
+G_DEFINE_TYPE (UserMenuMgr, user_menu_mgr, G_TYPE_OBJECT);
+
+static void activate_new_session (DbusmenuMenuitem * mi,
+ guint timestamp,
+ gpointer user_data);
+static void activate_user_session (DbusmenuMenuitem *mi,
+ guint timestamp,
+ gpointer user_data);
+static gint compare_users_by_username (const gchar *a,
+ const gchar *b);
+static void activate_online_accounts (DbusmenuMenuitem *mi,
+ guint timestamp,
+ gpointer user_data);
+static void user_menu_mgr_rebuild_items (UserMenuMgr *self);
+static gboolean check_new_session ();
+static void user_change (UsersServiceDbus *service,
+ const gchar *user_id,
+ gpointer user_data);
+
+
+static void
+user_menu_mgr_init (UserMenuMgr *self)
+{
+ self->users_dbus_interface = g_object_new (USERS_SERVICE_DBUS_TYPE, NULL);
+ self->root_item = dbusmenu_menuitem_new ();
+ user_menu_mgr_rebuild_items (self);
+ g_signal_connect (G_OBJECT (self->users_dbus_interface),
+ "user-added",
+ G_CALLBACK (user_change),
+ self);
+ g_signal_connect (G_OBJECT (self->users_dbus_interface),
+ "user-removed",
+ G_CALLBACK (user_change),
+ self);
+}
+
+static void
+user_menu_mgr_finalize (GObject *object)
+{
+ /* TODO: Add deinitalization code here */
+ G_OBJECT_CLASS (user_menu_mgr_parent_class)->finalize (object);
+}
+
+static void
+user_menu_mgr_class_init (UserMenuMgrClass *klass)
+{
+ GObjectClass* object_class = G_OBJECT_CLASS (klass);
+ //GObjectClass* parent_class = G_OBJECT_CLASS (klass);
+
+ object_class->finalize = user_menu_mgr_finalize;
+}
+
+/* Ensures that we have a GConf client and if we build one
+ set up the signal handler. */
+static void
+ensure_gconf_client ()
+{
+ if (!gconf_client) {
+ gconf_client = gconf_client_get_default ();
+ gconf_client_add_dir (gconf_client, LOCKDOWN_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+ gconf_client_add_dir (gconf_client, KEYBINDING_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+ }
+}
+
+/* Builds up the menu for us */
+static void
+user_menu_mgr_rebuild_items (UserMenuMgr *self)
+{
+ DbusmenuMenuitem *mi = NULL;
+ DbusmenuMenuitem *guest_mi = NULL;
+ GList *u;
+ UserData *user;
+ gboolean can_activate;
+ GList *children;
+
+ /* Make sure we have a valid GConf client, and build one
+ if needed */
+ ensure_gconf_client ();
+
+ /* Check to see which menu items we're allowed to have */
+ can_activate = users_service_dbus_can_activate_session (self->users_dbus_interface) &&
+ !gconf_client_get_bool (gconf_client, LOCKDOWN_KEY_USER, NULL);
+
+ /* Remove the old menu items if that makes sense */
+ children = dbusmenu_menuitem_take_children (self->root_item);
+ g_list_foreach (children, (GFunc)g_object_unref, NULL);
+ g_list_free (children);
+
+ /* Set to NULL just incase we don't end up building one */
+ users_service_dbus_set_guest_item(self->users_dbus_interface, NULL);
+
+ /* Build all of the user switching items */
+ if (can_activate == TRUE)
+ {
+ if (check_new_session ()){
+ switch_menuitem = dbusmenu_menuitem_new ();
+ dbusmenu_menuitem_property_set (switch_menuitem,
+ DBUSMENU_MENUITEM_PROP_TYPE,
+ MENU_SWITCH_TYPE);
+ dbusmenu_menuitem_property_set (switch_menuitem,
+ MENU_SWITCH_USER,
+ g_get_user_name());
+ dbusmenu_menuitem_child_append (self->root_item, switch_menuitem);
+ g_signal_connect (G_OBJECT (switch_menuitem),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK (activate_new_session),
+ self->users_dbus_interface);
+ }
+
+ GList * users = NULL;
+ users = users_service_dbus_get_user_list (self->users_dbus_interface);
+ self->user_count = g_list_length(users);
+
+ // TODO !!!!!
+ // g_debug ("USER COUNT = %i", user_count);
+ // We only want to show this menu when we have more than one registered
+ // user
+ // session_dbus_set_user_menu_visibility (session_dbus, user_count > 1);
+
+ if (self->user_count > MINIMUM_USERS && self->user_count < MAXIMUM_USERS) {
+ users = g_list_sort (users, (GCompareFunc)compare_users_by_username);
+ }
+
+ for (u = users; u != NULL; u = g_list_next (u)) {
+ user = u->data;
+ user->service = self->users_dbus_interface;
+
+ g_debug ("%i %s", (gint)user->uid, user->user_name);
+
+ if (g_strcmp0(user->user_name, "guest") == 0) {
+ /* Check to see if the guest has sessions and so therefore should
+ get a check mark. */
+ if (user->sessions != NULL) {
+ dbusmenu_menuitem_property_set_bool (guest_mi,
+ USER_ITEM_PROP_LOGGED_IN,
+ TRUE);
+ }
+ /* If we're showing user accounts, keep going through the list */
+ if (self->user_count > MINIMUM_USERS && self->user_count < MAXIMUM_USERS) {
+ continue;
+ }
+ /* If not, we can stop here */
+ break;
+ }
+
+ if (self->user_count > MINIMUM_USERS && self->user_count < MAXIMUM_USERS) {
+ mi = dbusmenu_menuitem_new ();
+ dbusmenu_menuitem_property_set (mi, DBUSMENU_MENUITEM_PROP_TYPE, USER_ITEM_TYPE);
+ if (user->real_name_conflict) {
+ gchar * conflictedname = g_strdup_printf("%s (%s)", user->real_name, user->user_name);
+ dbusmenu_menuitem_property_set (mi, USER_ITEM_PROP_NAME, conflictedname);
+ g_free(conflictedname);
+ } else {
+ dbusmenu_menuitem_property_set (mi, USER_ITEM_PROP_NAME, user->real_name);
+ }
+ dbusmenu_menuitem_property_set_bool (mi,
+ USER_ITEM_PROP_LOGGED_IN,
+ user->sessions != NULL);
+ if (user->icon_file != NULL && user->icon_file[0] != '\0') {
+ dbusmenu_menuitem_property_set(mi, USER_ITEM_PROP_ICON, user->icon_file);
+ } else {
+ dbusmenu_menuitem_property_set(mi, USER_ITEM_PROP_ICON, USER_ITEM_ICON_DEFAULT);
+ }
+
+ gboolean logged_in = g_strcmp0 (user->user_name, g_get_user_name()) == 0;
+ dbusmenu_menuitem_property_set_bool (mi,
+ USER_ITEM_PROP_IS_CURRENT_USER,
+ logged_in);
+ // TODO
+ // Figure where this lives.
+ /*if (logged_in == TRUE){
+ g_debug ("about to set the users real name to %s for user %s",
+ user->real_name, user->user_name);
+ session_dbus_set_users_real_name (session_dbus, user->real_name);
+ }*/
+
+ dbusmenu_menuitem_child_append (self->root_item, mi);
+ g_signal_connect (G_OBJECT (mi),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK (activate_user_session),
+ user);
+ user->menuitem = mi;
+ }
+ }
+ g_list_free(users);
+ }
+ // Add the online accounts and separator
+ DbusmenuMenuitem * separator1 = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (separator1,
+ DBUSMENU_MENUITEM_PROP_TYPE,
+ DBUSMENU_CLIENT_TYPES_SEPARATOR);
+ dbusmenu_menuitem_child_append (self->root_item, separator1);
+ DbusmenuMenuitem * online_accounts_item = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set (online_accounts_item,
+ DBUSMENU_MENUITEM_PROP_TYPE,
+ DBUSMENU_CLIENT_TYPES_DEFAULT);
+ dbusmenu_menuitem_property_set (online_accounts_item,
+ DBUSMENU_MENUITEM_PROP_LABEL,
+ _("Online Accounts..."));
+
+ g_signal_connect (G_OBJECT (online_accounts_item),
+ DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED,
+ G_CALLBACK (activate_online_accounts),
+ NULL);
+
+ dbusmenu_menuitem_child_append (self->root_item, online_accounts_item);
+}
+
+/* Checks to see if we can create sessions */
+// TODO what is this ?
+static gboolean
+check_new_session ()
+{
+ return TRUE;
+}
+
+/* Check to see if the lockdown key is protecting from
+ locking the screen. If not, lock it. */
+static void
+lock_if_possible (void) {
+ ensure_gconf_client ();
+
+ if (!gconf_client_get_bool (gconf_client, LOCKDOWN_KEY_SCREENSAVER, NULL)) {
+ lock_screen(NULL, 0, NULL);
+ }
+
+ return;
+}
+
+
+/* Starts a new generic session */
+static void
+activate_new_session (DbusmenuMenuitem * mi, guint timestamp, gpointer user_data)
+{
+ lock_if_possible();
+
+ users_service_dbus_show_greeter (USERS_SERVICE_DBUS(user_data));
+
+ return;
+}
+
+/* Activates a session for a particular user. */
+static void
+activate_user_session (DbusmenuMenuitem *mi, guint timestamp, gpointer user_data)
+{
+ UserData *user = (UserData *)user_data;
+ UsersServiceDbus *service = user->service;
+
+ lock_if_possible();
+
+ users_service_dbus_activate_user_session (service, user);
+}
+
+/* Comparison function to look into the UserData struct
+ to compare by using the username value */
+static gint
+compare_users_by_username (const gchar *a,
+ const gchar *b)
+{
+ UserData *user1 = (UserData *)a;
+ UserData *user2 = (UserData *)b;
+
+ gint retval = g_strcmp0 (user1->real_name, user2->real_name);
+
+ /* If they're the same, they're both in conflict. */
+ if (retval == 0) {
+ user1->real_name_conflict = TRUE;
+ user2->real_name_conflict = TRUE;
+ }
+
+ return retval;
+}
+
+// TODO
+// Wait until dialog is complete to find out name to pass
+// to the control centre.
+static void
+activate_online_accounts (DbusmenuMenuitem *mi,
+ guint timestamp,
+ gpointer user_data)
+{
+ GError * error = NULL;
+ if (!g_spawn_command_line_async("gnome-control-center online-accounts", &error))
+ {
+ g_warning("Unable to show control centre: %s", error->message);
+ g_error_free(error);
+ }
+}
+
+/* Signal called when a user is added. It updates the count and
+ rebuilds the menu */
+static void
+user_change (UsersServiceDbus *service,
+ const gchar *user_id,
+ gpointer user_data)
+{
+ //DbusmenuMenuitem *root = (DbusmenuMenuitem *)user_data;
+ // TODO sort this out.
+ //rebuild_user_items (root, service);
+ return;
+}
+
+