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#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
Copyright (C) 2007 Achim Bohnet <[email protected]>

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.
"""

import sys
from   PyQt4 import QtCore, Qt
import dbus
import dbus.mainloop.qt
import distutils.spawn

kbtcmd    = [ 'kbluetooth' ]
quitprogs = [ 'kdebluetooth', 'kbluemon', 'kinputwizard' ]  # FIXME: quit kbluelock too?


app = Qt.QCoreApplication(sys.argv)
	
dbus.mainloop.qt.DBusQtMainLoop(set_as_default=True)
bus = dbus.SystemBus()

try:
        manager = dbus.Interface(bus.get_object('org.bluez', '/'), 'org.bluez.Manager')
except:
        print "Unable to connect to bluez."
        sys.exit(1)

if len(manager.ListAdapters()):
        print "# of devices at startup:", len(manager.ListAdapters())
        distutils.spawn.spawn(kbtcmd)
else:
        print "No BT device found"


def slotAdapterAdded(device):
        print "bt dev added:", device, "# of devices:", len(manager.ListAdapters())
        distutils.spawn.spawn(kbtcmd)

def slotAdapterRemoved(device):
        print "bt dev removed:", device, "# num of devices:", len(manager.ListAdapters())
        if len(manager.ListAdapters()) == 0:
                for p in quitprogs:
                        print "exiting:", p, " ..."
                        try:
                                distutils.spawn.spawn(['dcop', p, 'MainApplication-Interface', 'quit'])
                        except:
                                pass

manager.connect_to_signal("AdapterAdded", slotAdapterAdded)
manager.connect_to_signal("AdapterRemoved", slotAdapterRemoved)

print "waiting for bt device (un)plug events ..."

app.exec_()