113 lines
3.8 KiB
Python
113 lines
3.8 KiB
Python
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# Copyright (C) 2009-2014 Yann Leboulanger <asterix AT lagaule.org>
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#
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# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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import logging
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from datetime import datetime
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from gi.repository import GLib
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from nbxmpp.structs import LocationData
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from gajim.common import app
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if app.is_installed('GEOCLUE'):
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from gi.repository import Geoclue # pylint: disable=ungrouped-imports,no-name-in-module
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log = logging.getLogger('gajim.c.dbus.location')
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class LocationListener:
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_instance = None
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@classmethod
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def get(cls):
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if cls._instance is None:
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cls._instance = cls()
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return cls._instance
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def __init__(self):
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self._data = {}
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self.location_info = {}
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self.simple = None
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# Note: do not remove third parameter `param`
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# because notify signal expects three parameters
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def _on_location_update(self, simple, _param=None):
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location = simple.get_location()
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timestamp = location.get_property("timestamp")[0]
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lat = location.get_property("latitude")
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lon = location.get_property("longitude")
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alt = location.get_property("altitude")
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# in XEP-0080 it's horizontal accuracy
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acc = location.get_property("accuracy")
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# update data with info we just received
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self._data = {'lat': lat, 'lon': lon, 'alt': alt, 'accuracy': acc}
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self._data['timestamp'] = self._timestamp_to_utc(timestamp)
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self._send_location()
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def _on_simple_ready(self, _obj, result):
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try:
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self.simple = Geoclue.Simple.new_finish(result)
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except GLib.Error as error:
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log.warning("Could not enable geolocation: %s", error.message)
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else:
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self.simple.connect('notify::location', self._on_location_update)
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self._on_location_update(self.simple)
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def get_data(self):
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Geoclue.Simple.new("org.gajim.Gajim",
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Geoclue.AccuracyLevel.EXACT,
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None,
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self._on_simple_ready)
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def start(self):
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self.location_info = {}
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self.get_data()
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def _send_location(self):
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accounts = app.connections.keys()
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for acct in accounts:
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if not app.account_is_available(acct):
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continue
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if not app.settings.get_account_setting(acct, 'publish_location'):
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continue
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if self.location_info == self._data:
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continue
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if 'timestamp' in self.location_info and 'timestamp' in self._data:
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last_data = self.location_info.copy()
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del last_data['timestamp']
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new_data = self._data.copy()
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del new_data['timestamp']
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if last_data == new_data:
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continue
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app.connections[acct].get_module('UserLocation').set_location(
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LocationData(**self._data))
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self.location_info = self._data.copy()
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@staticmethod
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def _timestamp_to_utc(timestamp):
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time = datetime.utcfromtimestamp(timestamp)
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return time.strftime('%Y-%m-%dT%H:%MZ')
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def enable():
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if not app.is_installed('GEOCLUE'):
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log.warning('GeoClue not installed')
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return
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listener = LocationListener.get()
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listener.start()
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