logind: expose a boolean on the bus explaining whether logind thinks the lid is closed

This copies how we already expose a "Docked" boolean the reflects
whether we are in a docking station or not.

3 files changed, 14 insertions, 0 deletions

diff --git a/src/login/logind-core.c b/src/login/logind-core.c
index 24f7c1439f..5608486284 100644
--- a/src/login/logind-core.c
+++ b/src/login/logind-core.c
@@ -566,6 +566,17 @@ int manager_spawn_autovt(Manager *m, unsigned vtnr) {
         return 0;
 }
 
+bool manager_is_lid_closed(Manager *m) {
+        Iterator i;
+        Button *b;
+
+        HASHMAP_FOREACH(b, m->buttons, i)
+                if (b->lid_closed)
+                        return true;
+
+        return false;
+}
+
 static bool manager_is_docked(Manager *m) {
         Iterator i;
         Button *b;
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c
index 927e304a0c..e3fc9a050e 100644
--- a/src/login/logind-dbus.c
+++ b/src/login/logind-dbus.c
@@ -274,6 +274,7 @@ static int property_get_scheduled_shutdown(
 
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction);
 static BUS_DEFINE_PROPERTY_GET(property_get_docked, "b", Manager, manager_is_docked_or_external_displays);
+static BUS_DEFINE_PROPERTY_GET(property_get_lid_closed, "b", Manager, manager_is_lid_closed);
 static BUS_DEFINE_PROPERTY_GET_GLOBAL(property_get_compat_user_tasks_max, "t", CGROUP_LIMIT_MAX);
 static BUS_DEFINE_PROPERTY_GET_REF(property_get_hashmap_size, "t", Hashmap *, (uint64_t) hashmap_size);
 
@@ -2666,6 +2667,7 @@ const sd_bus_vtable manager_vtable[] = {
         SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0),
         SD_BUS_PROPERTY("ScheduledShutdown", "(st)", property_get_scheduled_shutdown, 0, 0),
         SD_BUS_PROPERTY("Docked", "b", property_get_docked, 0, 0),
+        SD_BUS_PROPERTY("LidClosed", "b", property_get_lid_closed, 0, 0),
         SD_BUS_PROPERTY("RemoveIPC", "b", bus_property_get_bool, offsetof(Manager, remove_ipc), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("RuntimeDirectorySize", "t", NULL, offsetof(Manager, runtime_dir_size), SD_BUS_VTABLE_PROPERTY_CONST),
         SD_BUS_PROPERTY("InhibitorsMax", "t", NULL, offsetof(Manager, inhibitors_max), SD_BUS_VTABLE_PROPERTY_CONST),
diff --git a/src/login/logind.h b/src/login/logind.h
index 5398cca8c4..7b774f49e0 100644
--- a/src/login/logind.h
+++ b/src/login/logind.h
@@ -146,6 +146,7 @@ int manager_get_idle_hint(Manager *m, dual_timestamp *t);
 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
 
+bool manager_is_lid_closed(Manager *m);
 bool manager_is_docked_or_external_displays(Manager *m);
 bool manager_is_on_external_power(void);
 bool manager_all_buttons_ignored(Manager *m);