f300006b76
Add a TakeScreenshot dbus method and have the shell call it when the activity can safely take a screenshot to use as a preview.
71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# Copyright (C) 2006-2007 Red Hat, Inc.
|
|
#
|
|
# This library is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
# License as published by the Free Software Foundation; either
|
|
# version 2 of the License, or (at your option) any later version.
|
|
#
|
|
# This library 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
|
|
# Lesser General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
# License along with this library; if not, write to the
|
|
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
# Boston, MA 02111-1307, USA.
|
|
|
|
import logging
|
|
|
|
import dbus
|
|
import dbus.service
|
|
|
|
_ACTIVITY_SERVICE_NAME = "org.laptop.Activity"
|
|
_ACTIVITY_SERVICE_PATH = "/org/laptop/Activity"
|
|
_ACTIVITY_INTERFACE = "org.laptop.Activity"
|
|
|
|
class ActivityService(dbus.service.Object):
|
|
"""Base dbus service object that each Activity uses to export dbus methods.
|
|
|
|
The dbus service is separate from the actual Activity object so that we can
|
|
tightly control what stuff passes through the dbus python bindings."""
|
|
|
|
def __init__(self, activity):
|
|
"""Initialise the service for the given activity
|
|
|
|
activity -- sugar.activity.activity.Activity instance
|
|
|
|
Creates dbus services that use the instance's activity_id
|
|
as discriminants among all active services
|
|
of this type. That is, the services are all available
|
|
as names/paths derived from the instance's activity_id.
|
|
|
|
The various methods exposed on dbus are just forwarded
|
|
to the client Activity object's equally-named methods.
|
|
"""
|
|
activity.realize()
|
|
|
|
activity_id = activity.get_id()
|
|
service_name = _ACTIVITY_SERVICE_NAME + activity_id
|
|
object_path = _ACTIVITY_SERVICE_PATH + "/" + activity_id
|
|
|
|
bus = dbus.SessionBus()
|
|
bus_name = dbus.service.BusName(service_name, bus=bus)
|
|
dbus.service.Object.__init__(self, bus_name, object_path)
|
|
|
|
self._activity = activity
|
|
|
|
@dbus.service.method(_ACTIVITY_INTERFACE)
|
|
def SetActive(self, active):
|
|
logging.debug('ActivityService.set_active: %s.' % active)
|
|
self._activity.props.active = active
|
|
|
|
@dbus.service.method(_ACTIVITY_INTERFACE)
|
|
def Invite(self, buddy_key):
|
|
self._activity.invite(buddy_key)
|
|
|
|
@dbus.service.method(_ACTIVITY_INTERFACE)
|
|
def TakeScreenshot(self):
|
|
self._activity.take_screenshot()
|
|
|