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#!/usr/bin/env python

usage = """Usage:
python example-signal-emitter.py &
python example-signal-recipient.py
python example-signal-recipient.py --exit-service
"""

# Copyright (C) 2004-2006 Red Hat Inc. <http://www.redhat.com/>
# Copyright (C) 2005-2007 Collabora Ltd. <http://www.collabora.co.uk/>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use, copy,
# modify, merge, publish, distribute, sublicense, and/or sell copies
# of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

import gobject

import dbus
import dbus.service
import dbus.mainloop.glib

class TestObject(dbus.service.Object):
    def __init__(self, conn, object_path='/com/example/TestService/object'):
        dbus.service.Object.__init__(self, conn, object_path)

    @dbus.service.signal('com.example.TestService')
    def HelloSignal(self, message):
        # The signal is emitted when this method exits
        # You can have code here if you wish
        pass

    @dbus.service.method('com.example.TestService')
    def emitHelloSignal(self):
        #you emit signals by calling the signal's skeleton method
        self.HelloSignal('Hello')
        return 'Signal emitted'

    @dbus.service.method("com.example.TestService",
                         in_signature='', out_signature='')
    def Exit(self):
        loop.quit()

if __name__ == '__main__':
    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

    session_bus = dbus.SessionBus()
    name = dbus.service.BusName('com.example.TestService', session_bus)
    object = TestObject(session_bus)

    loop = gobject.MainLoop()
    print "Running example signal emitter service."
    print usage
    loop.run()