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authorTed Gould <ted@gould.cx>2010-03-15 20:30:42 -0500
committerTed Gould <ted@gould.cx>2010-03-15 20:30:42 -0500
commit48ee59d301187097e93727dc2fdea1e85efabac8 (patch)
tree5e3bdb5606fd758078042c1585be0d282aed945a
parentc90b0b458471bf826dbe0402d13bfc9f95793ed7 (diff)
parentcef6711749d305967d0341920f08aef46d6390d7 (diff)
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Grabbing the screensaver gconf key branch
-rw-r--r--src/session-service.c175
1 files changed, 93 insertions, 82 deletions
diff --git a/src/session-service.c b/src/session-service.c
index aff963d..3832e89 100644
--- a/src/session-service.c
+++ b/src/session-service.c
@@ -56,8 +56,9 @@ with this program. If not, see <http://www.gnu.org/licenses/>.
#define GUEST_SESSION_LAUNCHER "/usr/share/gdm/guest-session/guest-session-launch"
-#define LOCKDOWN_DIR "/desktop/gnome/lockdown"
-#define LOCKDOWN_KEY LOCKDOWN_DIR "/disable_user_switching"
+#define LOCKDOWN_DIR "/desktop/gnome/lockdown"
+#define LOCKDOWN_KEY_USER LOCKDOWN_DIR "/disable_user_switching"
+#define LOCKDOWN_KEY_SCREENSAVER LOCKDOWN_DIR "/disable_lock_screen"
typedef struct _ActivateData ActivateData;
struct _ActivateData
@@ -88,8 +89,12 @@ static DbusmenuMenuitem * logout_mi = NULL;
static DbusmenuMenuitem * restart_mi = NULL;
static DbusmenuMenuitem * shutdown_mi = NULL;
+static gboolean can_hibernate = TRUE;
+static gboolean can_suspend = TRUE;
+
static GConfClient * gconf_client = NULL;
-static guint notify_lockdown_id = 0;
+
+static void rebuild_items (DbusmenuMenuitem *root, UsersServiceDbus *service);
static void
lockdown_changed (GConfClient *client,
@@ -97,42 +102,31 @@ lockdown_changed (GConfClient *client,
GConfEntry *entry,
gpointer user_data)
{
- GConfValue *value = gconf_entry_get_value (entry);
- const gchar *key = gconf_entry_get_key (entry);
+ GConfValue *value = gconf_entry_get_value (entry);
+ const gchar *key = gconf_entry_get_key (entry);
- if (!value || !key)
- return;
+ if (value == NULL || key == NULL) {
+ return;
+ }
- if (g_strcmp0 (key, LOCKDOWN_KEY) == 0)
- {
- if (switch_menuitem)
- {
- if (gconf_value_get_bool (value))
- {
- dbusmenu_menuitem_property_set_bool (switch_menuitem, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
- }
- else
- {
- dbusmenu_menuitem_property_set_bool (switch_menuitem, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
- }
- }
- }
+ if (g_strcmp0 (key, LOCKDOWN_KEY_USER) == 0 || g_strcmp0 (key, LOCKDOWN_KEY_SCREENSAVER) == 0) {
+ rebuild_items(root_menuitem, dbus_interface);
+ }
+
+ return;
}
+/* Ensures that we have a GConf client and if we build one
+ set up the signal handler. */
static void
ensure_gconf_client (void)
{
- if (!gconf_client)
- {
- gconf_client = gconf_client_get_default ();
-
- notify_lockdown_id = gconf_client_notify_add (gconf_client,
- LOCKDOWN_KEY,
- lockdown_changed,
- NULL,
- NULL,
- NULL);
- }
+ if (!gconf_client) {
+ gconf_client = gconf_client_get_default ();
+ gconf_client_add_dir(gconf_client, LOCKDOWN_DIR, GCONF_CLIENT_PRELOAD_ONELEVEL, NULL);
+ gconf_client_notify_add(gconf_client, LOCKDOWN_DIR, lockdown_changed, NULL, NULL, NULL);
+ }
+ return;
}
/* A return from the command to sleep the system. Make sure
@@ -184,8 +178,10 @@ suspend_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
}
g_debug("Got Suspend: %s", g_value_get_boolean(&candoit) ? "true" : "false");
- if (suspend_mi != NULL) {
- dbusmenu_menuitem_property_set_value(suspend_mi, DBUSMENU_MENUITEM_PROP_VISIBLE, &candoit);
+ gboolean local_can_suspend = g_value_get_boolean(&candoit);
+ if (local_can_suspend != can_suspend) {
+ can_suspend = local_can_suspend;
+ rebuild_items(root_menuitem, dbus_interface);
}
return;
@@ -207,8 +203,10 @@ hibernate_prop_cb (DBusGProxy * proxy, DBusGProxyCall * call, gpointer userdata)
}
g_debug("Got Hibernate: %s", g_value_get_boolean(&candoit) ? "true" : "false");
- if (suspend_mi != NULL) {
- dbusmenu_menuitem_property_set_value(hibernate_mi, DBUSMENU_MENUITEM_PROP_VISIBLE, &candoit);
+ gboolean local_can_hibernate = g_value_get_boolean(&candoit);
+ if (local_can_hibernate != can_hibernate) {
+ can_hibernate = local_can_hibernate;
+ rebuild_items(root_menuitem, dbus_interface);
}
return;
@@ -275,19 +273,19 @@ setup_up (void) {
UP_ADDRESS,
UP_OBJECT,
DBUS_INTERFACE_PROPERTIES);
+ /* Connect to changed signal */
+ dbus_g_proxy_add_signal(up_main_proxy,
+ "Changed",
+ G_TYPE_INVALID);
+
+ dbus_g_proxy_connect_signal(up_main_proxy,
+ "Changed",
+ G_CALLBACK(up_changed_cb),
+ NULL,
+ NULL);
}
g_return_if_fail(up_prop_proxy != NULL);
- /* Connect to changed signal */
- dbus_g_proxy_add_signal(up_main_proxy,
- "Changed",
- G_TYPE_INVALID);
-
- dbus_g_proxy_connect_signal(up_main_proxy,
- "Changed",
- G_CALLBACK(up_changed_cb),
- NULL,
- NULL);
/* Force an original "changed" event */
up_changed_cb(up_main_proxy, NULL);
@@ -448,29 +446,44 @@ rebuild_items (DbusmenuMenuitem *root,
GList *u;
UserData *user;
gboolean can_activate;
+ gboolean can_lockscreen;
GList *children;
- can_activate = users_service_dbus_can_activate_session (service);
+ /* 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 (service) &&
+ !gconf_client_get_bool (gconf_client, LOCKDOWN_KEY_USER, NULL);
+ can_lockscreen = !gconf_client_get_bool (gconf_client, LOCKDOWN_KEY_SCREENSAVER, NULL);
+ /* Remove the old menu items if that makes sense */
children = dbusmenu_menuitem_take_children (root);
g_list_foreach (children, (GFunc)g_object_unref, NULL);
g_list_free (children);
- lock_menuitem = dbusmenu_menuitem_new();
- dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_LABEL, _("Lock Screen"));
- g_signal_connect(G_OBJECT(lock_menuitem), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(lock_screen), NULL);
- dbusmenu_menuitem_child_append(root, lock_menuitem);
- if (!will_lock_screen()) {
- dbusmenu_menuitem_property_set_bool(lock_menuitem, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
- } else {
- dbusmenu_menuitem_property_set_bool(lock_menuitem, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+ /* Lock screen item */
+ if (can_lockscreen) {
+ lock_menuitem = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_LABEL, _("Lock Screen"));
+ g_signal_connect(G_OBJECT(lock_menuitem), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(lock_screen), NULL);
+ dbusmenu_menuitem_child_append(root, lock_menuitem);
+ if (!will_lock_screen()) {
+ dbusmenu_menuitem_property_set_bool(lock_menuitem, DBUSMENU_MENUITEM_PROP_ENABLED, FALSE);
+ } else {
+ dbusmenu_menuitem_property_set_bool(lock_menuitem, DBUSMENU_MENUITEM_PROP_ENABLED, TRUE);
+ }
}
+ /* Build all of the user switching items */
if (can_activate == TRUE)
{
- DbusmenuMenuitem * separator1 = dbusmenu_menuitem_new();
- dbusmenu_menuitem_property_set(separator1, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
- dbusmenu_menuitem_child_append(root, separator1);
+ if (can_lockscreen) {
+ DbusmenuMenuitem * separator1 = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set(separator1, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
+ dbusmenu_menuitem_child_append(root, separator1);
+ }
if (check_guest_session ())
{
@@ -484,22 +497,12 @@ rebuild_items (DbusmenuMenuitem *root,
if (check_new_session ())
{
- ensure_gconf_client ();
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 (root, switch_menuitem);
g_signal_connect (G_OBJECT (switch_menuitem), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK (activate_new_session), NULL);
-
- if (gconf_client_get_bool (gconf_client, LOCKDOWN_KEY, NULL))
- {
- dbusmenu_menuitem_property_set_bool (switch_menuitem, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
- }
- else
- {
- dbusmenu_menuitem_property_set_bool (switch_menuitem, DBUSMENU_MENUITEM_PROP_VISIBLE, TRUE);
- }
}
GList * users = NULL;
@@ -552,9 +555,15 @@ rebuild_items (DbusmenuMenuitem *root,
g_list_free(users);
}
- DbusmenuMenuitem * separator = dbusmenu_menuitem_new();
- dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
- dbusmenu_menuitem_child_append(root, separator);
+ /* If there were a bunch of items before us, we need a
+ separator. */
+ if (can_lockscreen || can_activate) {
+ DbusmenuMenuitem * separator = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set(separator, DBUSMENU_MENUITEM_PROP_TYPE, DBUSMENU_CLIENT_TYPES_SEPARATOR);
+ dbusmenu_menuitem_child_append(root, separator);
+ }
+
+ /* Start going through the session based items. */
logout_mi = dbusmenu_menuitem_new();
if (supress_confirmations()) {
@@ -565,17 +574,19 @@ rebuild_items (DbusmenuMenuitem *root,
dbusmenu_menuitem_child_append(root, logout_mi);
g_signal_connect(G_OBJECT(logout_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(show_dialog), "logout");
- suspend_mi = dbusmenu_menuitem_new();
- dbusmenu_menuitem_property_set_bool(suspend_mi, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
- dbusmenu_menuitem_property_set(suspend_mi, DBUSMENU_MENUITEM_PROP_LABEL, _("Sleep"));
- dbusmenu_menuitem_child_append(root, suspend_mi);
- g_signal_connect(G_OBJECT(suspend_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(machine_sleep), "Suspend");
-
- hibernate_mi = dbusmenu_menuitem_new();
- dbusmenu_menuitem_property_set_bool(hibernate_mi, DBUSMENU_MENUITEM_PROP_VISIBLE, FALSE);
- dbusmenu_menuitem_property_set(hibernate_mi, DBUSMENU_MENUITEM_PROP_LABEL, _("Hibernate"));
- dbusmenu_menuitem_child_append(root, hibernate_mi);
- g_signal_connect(G_OBJECT(hibernate_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(machine_sleep), "Hibernate");
+ if (can_suspend) {
+ suspend_mi = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set(suspend_mi, DBUSMENU_MENUITEM_PROP_LABEL, _("Sleep"));
+ dbusmenu_menuitem_child_append(root, suspend_mi);
+ g_signal_connect(G_OBJECT(suspend_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(machine_sleep), "Suspend");
+ }
+
+ if (can_hibernate) {
+ hibernate_mi = dbusmenu_menuitem_new();
+ dbusmenu_menuitem_property_set(hibernate_mi, DBUSMENU_MENUITEM_PROP_LABEL, _("Hibernate"));
+ dbusmenu_menuitem_child_append(root, hibernate_mi);
+ g_signal_connect(G_OBJECT(hibernate_mi), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(machine_sleep), "Hibernate");
+ }
restart_mi = dbusmenu_menuitem_new();
dbusmenu_menuitem_property_set(restart_mi, DBUSMENU_MENUITEM_PROP_TYPE, RESTART_ITEM_TYPE);