You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
# Copyright (C) 2006-2007 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
|
|
|
|
"""D-bus service providing access to the shell's functionality"""
|
|
import dbus
|
|
import os
|
|
|
|
_DBUS_SERVICE = "org.laptop.Shell"
|
|
_DBUS_SHELL_IFACE = "org.laptop.Shell"
|
|
_DBUS_OWNER_IFACE = "org.laptop.Shell.Owner"
|
|
_DBUS_PATH = "/org/laptop/Shell"
|
|
|
|
_DBUS_RAINBOW_IFACE = "org.laptop.security.Rainbow"
|
|
|
|
class ShellService(dbus.service.Object):
|
|
"""Provides d-bus service to script the shell's operations
|
|
|
|
Uses a shell_model object to observe events such as changes to:
|
|
|
|
* nickname
|
|
* colour
|
|
* icon
|
|
* currently active activity
|
|
|
|
and pass the event off to the methods in the dbus signature.
|
|
|
|
Key method here at the moment is add_bundle, which is used to
|
|
do a run-time registration of a bundle using it's application path.
|
|
|
|
XXX At the moment the d-bus service methods do not appear to do
|
|
anything other than add_bundle
|
|
"""
|
|
|
|
_rainbow = None
|
|
|
|
def __init__(self, shell):
|
|
self._shell = shell
|
|
self._shell_model = shell.get_model()
|
|
|
|
self._owner = self._shell_model.get_owner()
|
|
self._owner.connect('nick-changed', self._owner_nick_changed_cb)
|
|
self._owner.connect('icon-changed', self._owner_icon_changed_cb)
|
|
self._owner.connect('color-changed', self._owner_color_changed_cb)
|
|
|
|
self._home_model = self._shell_model.get_home()
|
|
self._home_model.connect('active-activity-changed',
|
|
self._cur_activity_changed_cb)
|
|
|
|
bus = dbus.SessionBus()
|
|
bus_name = dbus.service.BusName(_DBUS_SERVICE, bus=bus)
|
|
dbus.service.Object.__init__(self, bus_name, _DBUS_PATH)
|
|
|
|
@dbus.service.method(_DBUS_SHELL_IFACE,
|
|
in_signature="s", out_signature="b")
|
|
def ActivateActivity(self, activity_id):
|
|
host = self._shell.get_activity(activity_id)
|
|
if host:
|
|
host.present()
|
|
return True
|
|
|
|
return False
|
|
|
|
@dbus.service.method(_DBUS_SHELL_IFACE,
|
|
in_signature="ss", out_signature="")
|
|
def NotifyLaunch(self, bundle_id, activity_id):
|
|
self._shell.notify_launch(bundle_id, activity_id)
|
|
|
|
@dbus.service.method(_DBUS_SHELL_IFACE,
|
|
in_signature="s", out_signature="")
|
|
def NotifyLaunchFailure(self, activity_id):
|
|
self._shell.notify_launch_failure(activity_id)
|
|
|
|
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
|
|
def ColorChanged(self, color):
|
|
pass
|
|
|
|
def _owner_color_changed_cb(self, new_color):
|
|
self.ColorChanged(new_color.to_string())
|
|
|
|
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
|
|
def NickChanged(self, nick):
|
|
pass
|
|
|
|
def _owner_nick_changed_cb(self, new_nick):
|
|
self.NickChanged(new_nick)
|
|
|
|
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="ay")
|
|
def IconChanged(self, icon_data):
|
|
pass
|
|
|
|
def _owner_icon_changed_cb(self, new_icon):
|
|
self.IconChanged(dbus.ByteArray(new_icon))
|
|
|
|
def _get_rainbow_service(self):
|
|
"""Lazily initializes an interface to the Rainbow security daemon."""
|
|
if self._rainbow is None:
|
|
system_bus = dbus.SystemBus()
|
|
object = system_bus.get_object(_DBUS_RAINBOW_IFACE, '/',
|
|
follow_name_owner_changes=True)
|
|
self._rainbow = dbus.Interface(object,
|
|
dbus_interface=_DBUS_RAINBOW_IFACE)
|
|
return self._rainbow
|
|
|
|
@dbus.service.signal(_DBUS_OWNER_IFACE, signature="s")
|
|
def CurrentActivityChanged(self, activity_id):
|
|
if os.path.exists('/etc/olpc-security'):
|
|
self._get_rainbow_service().ChangeActivity(
|
|
activity_id,
|
|
dbus_interface=_DBUS_RAINBOW_IFACE)
|
|
|
|
def _cur_activity_changed_cb(self, owner, new_activity):
|
|
new_id = ""
|
|
if new_activity:
|
|
new_id = new_activity.get_activity_id()
|
|
if new_id:
|
|
self.CurrentActivityChanged(new_id)
|
|
|