#
# screensaver.py - Screensaver management methods and data
#
# Copyright (C) 2014 Red Hat, Inc. All rights reserved.
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 .
#
# Author(s): David Shea
#
from pyanaconda import safe_dbus
from gi.repository import GLib
import logging
log = logging.getLogger("anaconda")
SCREENSAVER_SERVICE = "org.freedesktop.ScreenSaver"
SCREENSAVER_PATH = "/org/freedesktop/ScreenSaver"
SCREENSAVER_IFACE = "org.freedesktop.ScreenSaver"
SCREENSAVER_INHIBIT_METHOD = "Inhibit"
SCREENSAVER_UNINHIBIT_METHOD = "UnInhibit"
SCREENSAVER_APPLICATION = "anaconda"
SCREENSAVER_REASON = "Installing"
def inhibit_screensaver(connection):
"""
Inhibit the screensaver idle timer.
:param connection: A handle for the session message bus
:type connection: Gio.DBusConnection
:return: The inhibit ID or None
:rtype: int or None
"""
try:
inhibit_id = safe_dbus.call_sync(SCREENSAVER_SERVICE, SCREENSAVER_PATH, SCREENSAVER_IFACE,
SCREENSAVER_INHIBIT_METHOD, GLib.Variant('(ss)',
(SCREENSAVER_APPLICATION, SCREENSAVER_REASON)),
connection)
return inhibit_id[0]
except safe_dbus.DBusCallError as e:
log.info("Unable to inhibit the screensaver: %s", e)
return None
def uninhibit_screensaver(connection, inhibit_id):
"""
Re-enable the screensaver idle timer.
:param connection: A handle for the session message bus
:type connection: Gio.DBusConnection
:param inhibit_id: The ID returned by the inhibit method
:type inhibit_id: int
"""
try:
safe_dbus.call_sync(SCREENSAVER_SERVICE, SCREENSAVER_PATH, SCREENSAVER_IFACE,
SCREENSAVER_UNINHIBIT_METHOD, GLib.Variant('(u)', (inhibit_id,)), connection)
except safe_dbus.DBusCallError as e:
log.info("Unable to uninhibit the screensaver: %s", e)