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#! /usr/bin/env python
# Copyright (C) 2009 James D. Simmons
#
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import logging
import dbus
from gi.repository import GObject
_HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
_HARDWARE_MANAGER_SERVICE = 'org.laptop.HardwareManager'
_HARDWARE_MANAGER_OBJECT_PATH = '/org/laptop/HardwareManager'
_logger = logging.getLogger('read-etexts-activity')
# start with sleep off
sleep_inhibit = True
service_activated = False
_idle_timer = 0
_service = None
def setup_idle_timeout():
# Set up for idle suspend
global _service
global service_activated
fname = os.path.join('/etc', 'inhibit-ebook-sleep')
if not os.path.exists(fname):
try:
bus = dbus.SystemBus()
proxy = bus.get_object(_HARDWARE_MANAGER_SERVICE,
_HARDWARE_MANAGER_OBJECT_PATH)
_service = dbus.Interface(proxy, _HARDWARE_MANAGER_INTERFACE)
service_activated = True
logging.debug('Suspend on idle enabled')
except dbus.DBusException, e:
_logger.info('Hardware manager service not found, no idle suspend.')
else:
logging.debug('Suspend on idle disabled')
def turn_on_sleep_timer():
global sleep_inhibit
sleep_inhibit = False
reset_sleep_timer()
def turn_off_sleep_timer():
global sleep_inhibit
sleep_inhibit = True
def reset_sleep_timer():
global _idle_timer
if _idle_timer > 0:
GObject.source_remove(_idle_timer)
_idle_timer = GObject.timeout_add(5000, _suspend)
def suspend():
# If the machine has been idle for 5 seconds, suspend
global _idle_timer
global _service
_idle_timer = 0
if not sleep_inhibit and _service is not None:
_service.set_kernel_suspend()
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