1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
|
# -*- coding: utf-8 -*-
## src/common/location_listener.py
##
## Copyright (C) 2009-2010 Yann Leboulanger <asterix AT lagaule.org>
##
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
from datetime import datetime
from common import gajim
from common import pep
from common import dbus_support
if dbus_support.supported:
import dbus
import dbus.glib
class LocationListener:
_instance = None
@classmethod
def get(cls):
if cls._instance is None:
cls._instance = cls()
return cls._instance
def __init__(self):
self._data = {}
def get_data(self):
bus = dbus.SessionBus()
try:
# Initializes Geoclue.
obj = bus.get_object('org.freedesktop.Geoclue.Master',
'/org/freedesktop/Geoclue/Master')
# get MasterClient path
path = obj.Create()
# get MasterClient
cli = bus.get_object('org.freedesktop.Geoclue.Master', path)
cli.SetRequirements(1, 0, True, 1023)
self._get_address(cli)
self._get_position(cli)
except:
self._on_geoclue_position_changed()
return
def _get_address(self, cli):
bus = dbus.SessionBus()
cli.AddressStart()
# Check that there is a provider
name, description, service, path = cli.GetAddressProvider()
if path:
provider = bus.get_object(service, path)
timestamp, address, accuracy = provider.GetAddress()
self._on_geoclue_address_changed(timestamp, address, accuracy)
def _get_position(self, cli):
bus = dbus.SessionBus()
cli.PositionStart()
# Check that there is a provider
name, description, service, path = cli.GetPositionProvider()
if path:
provider = bus.get_object(service, path)
fields, timestamp, lat, lon, alt, accuracy = provider.GetPosition()
self._on_geoclue_position_changed(fields, timestamp, lat, lon, alt,
accuracy)
def start(self):
self.location_info = {}
self.get_data()
bus = dbus.SessionBus()
# Geoclue
bus.add_signal_receiver(self._on_geoclue_address_changed,
'AddressChanged', 'org.freedesktop.Geoclue.Address')
bus.add_signal_receiver(self._on_geoclue_position_changed,
'PositionChanged', 'org.freedesktop.Geoclue.Position')
def shut_down(self):
pass
def _on_geoclue_address_changed(self, timestamp=None, address={},
accuracy=None):
# update data with info we just received
for field in ['country', 'countrycode', 'locality', 'postalcode',
'region', 'street']:
self._data[field] = address.get(field, None)
if timestamp:
self._data['timestamp'] = self._timestamp_to_utc(timestamp)
if accuracy:
# in PEP it's horizontal accuracy
self._data['accuracy'] = accuracy[1]
self._send_location()
def _on_geoclue_position_changed(self, fields=[], timestamp=None, lat=None,
lon=None, alt=None, accuracy=None):
# update data with info we just received
_dict = {'lat': lat, 'lon': lon, 'alt': alt}
for field in _dict:
if _dict[field] is not None:
self._data[field] = _dict[field]
if timestamp:
self._data['timestamp'] = self._timestamp_to_utc(timestamp)
if accuracy:
# in PEP it's horizontal accuracy
self._data['accuracy'] = accuracy[1]
self._send_location()
def _send_location(self):
accounts = gajim.connections.keys()
for acct in accounts:
if not gajim.account_is_connected(acct):
continue
if not gajim.config.get_per('accounts', acct, 'publish_location'):
continue
if self.location_info == self._data:
continue
if 'timestamp' in self.location_info and 'timestamp' in self._data:
last_data = self.location_info.copy()
del last_data['timestamp']
new_data = self._data.copy()
del new_data['timestamp']
if last_data == new_data:
continue
gajim.connections[acct].send_location(self._data)
self.location_info = self._data.copy()
def _timestamp_to_utc(self, timestamp):
time = datetime.utcfromtimestamp(timestamp)
return time.strftime('%Y-%m-%dT%H:%MZ')
def enable():
listener = LocationListener.get()
listener.start()
def disable():
listener = LocationListener.get()
listener.shut_down()
|