1 files changed, 67 insertions, 0 deletions

diff --git a/src/linux/up-backend.c b/src/linux/up-backend.c
index be01763..ddd4472 100644
--- a/src/linux/up-backend.c
+++ b/src/linux/up-backend.c
@@ -45,6 +45,17 @@
 #include "up-device-idevice.h"
 #endif /* HAVE_IDEVICE */
 
+#include <dbus/dbus-glib.h>
+#include <dbus/dbus-glib-lowlevel.h>
+
+#ifdef HAVE_SYSTEMD
+#include <systemd/sd-daemon.h>
+
+#define SD_HIBERNATE_COMMAND	"gdbus call --system --dest org.freedesktop.login1 --object-path /org/freedesktop/login1 --method org.freedesktop.login1.Manager.Hibernate 'true'"
+#define SD_SUSPEND_COMMAND	"gdbus call --system --dest org.freedesktop.login1 --object-path /org/freedesktop/login1 --method org.freedesktop.login1.Manager.Suspend 'true'"
+
+#endif
+
 static void	up_backend_class_init	(UpBackendClass	*klass);
 static void	up_backend_init	(UpBackend		*backend);
 static void	up_backend_finalize	(GObject		*object);
@@ -59,11 +70,13 @@ struct UpBackendPrivate
 	UpDeviceList		*managed_devices;
 	UpDock			*dock;
 	UpConfig		*config;
+	DBusConnection		*connection;
 };
 
 enum {
 	SIGNAL_DEVICE_ADDED,
 	SIGNAL_DEVICE_REMOVED,
+	SIGNAL_RESUMING,
 	SIGNAL_LAST
 };
 
@@ -564,6 +577,11 @@ out:
 const gchar *
 up_backend_get_suspend_command (UpBackend *backend)
 {
+#ifdef HAVE_SYSTEMD
+	if (sd_booted ())
+		return SD_SUSPEND_COMMAND;
+	else
+#endif
 	return UP_BACKEND_SUSPEND_COMMAND;
 }
 
@@ -573,9 +591,24 @@ up_backend_get_suspend_command (UpBackend *backend)
 const gchar *
 up_backend_get_hibernate_command (UpBackend *backend)
 {
+#ifdef HAVE_SYSTEMD
+	if (sd_booted ())
+		return SD_HIBERNATE_COMMAND;
+	else
+#endif
 	return UP_BACKEND_HIBERNATE_COMMAND;
 }
 
+gboolean
+up_backend_emits_resuming (UpBackend *backend)
+{
+#ifdef HAVE_SYSTEMD
+	return TRUE;
+#else
+	return FALSE;
+#endif
+}
+
 /**
  * up_backend_get_powersave_command:
  **/
@@ -609,10 +642,32 @@ up_backend_class_init (UpBackendClass *klass)
 			      G_STRUCT_OFFSET (UpBackendClass, device_removed),
 			      NULL, NULL, up_marshal_VOID__POINTER_POINTER,
 			      G_TYPE_NONE, 2, G_TYPE_POINTER, G_TYPE_POINTER);
+	signals [SIGNAL_RESUMING] =
+		g_signal_new ("resuming",
+			      G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST,
+			      G_STRUCT_OFFSET (UpBackendClass, resuming),
+			      NULL, NULL, g_cclosure_marshal_VOID__VOID,
+			      G_TYPE_NONE, 0);
 
 	g_type_class_add_private (klass, sizeof (UpBackendPrivate));
 }
 
+static DBusHandlerResult
+message_filter (DBusConnection *connection,
+		DBusMessage *message,
+		void *user_data)
+{
+	UpBackend *backend = user_data;
+
+	if (dbus_message_is_signal (message, "org.freedesktop.UPower", "Resuming")) {
+		g_debug ("received Resuming signal");
+		g_signal_emit (backend, signals[SIGNAL_RESUMING], 0);
+		return DBUS_HANDLER_RESULT_HANDLED;
+	}
+
+	return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}
+
 /**
  * up_backend_init:
  **/
@@ -624,6 +679,15 @@ up_backend_init (UpBackend *backend)
 	backend->priv->daemon = NULL;
 	backend->priv->device_list = NULL;
 	backend->priv->managed_devices = up_device_list_new ();
+
+#ifdef HAVE_SYSTEMD
+	if (sd_booted ()) {
+		DBusGConnection *bus;
+		bus = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
+		backend->priv->connection = dbus_g_connection_get_connection (bus);
+		dbus_connection_add_filter (backend->priv->connection, message_filter, backend, NULL);
+	}
+#endif
 }
 
 /**
@@ -648,6 +712,9 @@ up_backend_finalize (GObject *object)
 
 	g_object_unref (backend->priv->managed_devices);
 
+	if (backend->priv->connection)
+		dbus_connection_remove_filter (backend->priv->connection, message_filter, backend);
+
 	G_OBJECT_CLASS (up_backend_parent_class)->finalize (object);
 }