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# Copyright (C) 2008 One Laptop Per Child
#
# 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 sys
import logging
import dbus
from sugar import dispatch
from jarabe import config
_DBUS_SERVICE = "org.freedesktop.Notifications"
_DBUS_IFACE = "org.freedesktop.Notifications"
_DBUS_PATH = "/org/freedesktop/Notifications"
class NotificationService(dbus.service.Object):
def __init__(self):
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(_DBUS_SERVICE, bus=bus)
dbus.service.Object.__init__(self, bus_name, _DBUS_PATH)
self._notification_counter = 0
self.notification_received = dispatch.Signal()
self.notification_cancelled = dispatch.Signal()
@dbus.service.method(_DBUS_IFACE,
in_signature='susssava{sv}i', out_signature='u')
def Notify(self, app_name, replaces_id, app_icon, summary, body, actions,
hints, expire_timeout):
logging.debug('Received notification: %r' % ([app_name, replaces_id,
app_icon, summary, body, actions, hints, expire_timeout]))
if replaces_id > 0:
notification_id = replaces_id
else:
if self._notification_counter == sys.maxint:
self._notification_counter = 1
else:
self._notification_counter += 1
notification_id = self._notification_counter
self.notification_received.send(self, app_name=app_name,
replaces_id=replaces_id, app_icon=app_icon, summary=summary,
body=body, actions=actions, hints=hints,
expire_timeout=expire_timeout)
return notification_id
@dbus.service.method(_DBUS_IFACE, in_signature='u', out_signature='')
def CloseNotification(self, notification_id):
self.notification_cancelled.send(self, notification_id=notification_id)
@dbus.service.method(_DBUS_IFACE, in_signature='', out_signature='as')
def GetCapabilities(self):
return []
@dbus.service.method(_DBUS_IFACE, in_signature='', out_signature='sss')
def GetServerInformation(self, name, vendor, version):
return 'Sugar Shell', 'Sugar', config.version
@dbus.service.signal(_DBUS_IFACE, signature="uu")
def NotificationClosed(self, notification_id, reason):
pass
@dbus.service.signal(_DBUS_IFACE, signature="us")
def ActionInvoked(self, notification_id, action_key):
pass
_instance = None
def get_service():
global _instance
if not _instance:
_instance = NotificationService()
return _instance
def init():
get_service()
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