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# Copyright (C) 2008, Red Hat, Inc.
#
# 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 gtk
import dbus
import os
import signal
import sys
import logging
from sugar import session
from sugar import env
_session_manager = None
class SessionManager(session.SessionManager):
MODE_LOGOUT = 0
MODE_SHUTDOWN = 1
MODE_REBOOT = 2
def __init__(self):
session.SessionManager.__init__(self)
self._logout_mode = None
def logout(self):
self._logout_mode = self.MODE_LOGOUT
self.initiate_shutdown()
def shutdown(self):
self._logout_mode = self.MODE_SHUTDOWN
self.initiate_shutdown()
def reboot(self):
self._logout_mode = self.MODE_REBOOT
self.initiate_shutdown()
def shutdown_completed(self):
if env.is_emulator():
self._close_emulator()
elif self._logout_mode != self.MODE_LOGOUT:
try:
bus = dbus.SystemBus()
proxy = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/devices/computer')
pm = dbus.Interface(proxy, \
'org.freedesktop.Hal.Device.SystemPowerManagement')
if self._logout_mode == self.MODE_SHUTDOWN:
pm.Shutdown()
elif self._logout_mode == self.MODE_REBOOT:
pm.Reboot()
except:
logging.exception('Can not stop sugar')
self.session.cancel_shutdown()
return
session.SessionManager.shutdown_completed(self)
gtk.main_quit()
def _close_emulator(self):
gtk.main_quit()
if os.environ.has_key('SUGAR_EMULATOR_PID'):
pid = int(os.environ['SUGAR_EMULATOR_PID'])
os.kill(pid, signal.SIGTERM)
# Need to call this ASAP so the atexit handlers get called before we get
# killed by the X (dis)connection
sys.exit()
def get_session_manager():
global _session_manager
if _session_manager == None:
_session_manager = SessionManager()
return _session_manager
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