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# Copyright (C) 2012 Aleksey Lim
#
# 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 3 of the License, or
# (at your option) any later version.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
import json
import logging
import subprocess
from os.path import abspath, dirname
from gettext import gettext as _
import gtk
import dbus
import gobject
from sugar.graphics.alert import NotifyAlert, ErrorAlert
from sugar_network import sugar, api_url, server_mode
from active_toolkit.options import Option
from jarabe import plugins
ORDER = 5
TITLE = _('Sugar Network integration')
SN_BROWSER_NAME = 'sugar-network-browser'
SN_MASER_URL = 'http://api-testing.network.sugarlabs.org'
_ALERT_SEVERITIES = {
# severity: (alert_class, alert_message)
'error': (ErrorAlert, _('Sugar Network error')),
None: (NotifyAlert, _('Sugar Network')),
}
_logger = logging.getLogger('plugins.sn')
_bundleregistry = None
_launcher = None
_client = None
_browser = None
Option.seek('local', [api_url, server_mode])
def init():
global _bundleregistry
if api_url.value and api_url.value != SN_MASER_URL:
# For now, keep only global SN server to make testing more relibale
api_url.value = SN_MASER_URL
Option.save()
# Activities are assumed to be handled by SN
plugins.blacklist('cpsection', 'updater')
import jarabe.model.bundleregistry
from .bundleregistry import BundleRegistry
_bundleregistry = BundleRegistry()
jarabe.model.bundleregistry.get_registry = lambda: _bundleregistry
from jarabe.model.shell import Activity
from jarabe.view import palettes
from .browser import Palette
Activity.get_bundle_path = _get_bundle_path
palettes.predefined[SN_BROWSER_NAME] = Palette
def start():
global _launcher
_bundleregistry.populate()
from jarabe.journal import misc
from .launcher import Launcher
_launcher = Launcher()
misc.launch = _launcher.launch
from jarabe.model.shell import get_model
shell = get_model()
def delayed_start():
get_client().Publish({'event': 'delayed-start'})
get_browser()
def activity_added_cb(model, activity):
if activity.is_journal():
shell.disconnect_by_func(activity_added_cb)
gobject.idle_add(delayed_start)
shell.connect('activity-added', activity_added_cb)
def binding():
srcroot = dirname(abspath(__file__))
return ['export XDG_DATA_DIRS=%s:$XDG_DATA_DIRS' % srcroot]
def control_panel_section():
section = gtk.VBox()
server_box = gtk.VBox()
section.pack_start(server_box)
master_button = gtk.RadioButton()
master_button.props.label = _('Connect to master server')
server_box.pack_start(master_button, expand=False)
discover_button = gtk.RadioButton(master_button)
discover_button.props.label = _('Auto discover server in local network')
server_box.pack_start(discover_button, expand=False)
if api_url.value:
master_button.props.active = True
else:
discover_button.props.active = True
server_mode_button = gtk.CheckButton()
server_mode_button.props.label = _('Behave as a Sugar Network server ' \
'providing data from mounted device')
server_mode_button.props.active = server_mode.value
section.pack_start(server_mode_button, expand=False)
def master_toggled_cb(button, url):
api_url.value = url
Option.save()
master_button.connect('toggled', master_toggled_cb, SN_MASER_URL)
discover_button.connect('toggled', master_toggled_cb, '')
def server_mode_toggled_cb(button):
server_mode.value = button.props.active
Option.save()
server_mode_button.connect('toggled', server_mode_toggled_cb)
section.show_all()
return section
def get_registry():
return _bundleregistry
def get_client():
global _client
if _client is None:
_client = _Client()
return _client
def get_browser():
global _browser
if _browser is None:
from .browser import Browser
_browser = Browser()
return _browser
def add_alert(severity, callback=None, **kwargs):
window = get_browser()
def response_cb(alert, response_id):
window.remove_alert(alert)
if callback is not None:
callback()
del alert
cls, title = _ALERT_SEVERITIES.get(severity) or _ALERT_SEVERITIES[None]
if 'title' not in kwargs:
kwargs['title'] = title
alert = cls(**kwargs)
alert.connect('response', response_cb)
window.add_alert(alert)
window.reveal()
def _get_bundle_path(self):
# pylint: disable-msg=W0212
if not self._windows:
return None
pid = self._windows[0].get_pid()
with file('/proc/%d/environ' % pid) as f:
for env in f.read().split('\0'):
if env.startswith('SUGAR_BUNDLE_PATH='):
return env.split('=', 1)[-1]
class _Client(object):
def __init__(self):
self._event_callbacks = []
self._client = dbus.Interface(
dbus.SessionBus().get_object(
'org.sugarlabs.Network',
'/org/sugarlabs/Network'),
'org.sugarlabs.Network')
self._client.connect_to_signal('Event', self.__Event_cb)
def connect_to_signal(self, signal, callback):
if signal == 'Event':
self._event_callbacks.append(callback)
else:
return self._client.connect_to_signal(signal, callback)
def __getattr__(self, name):
return getattr(self._client, name)
def __Event_cb(self, event):
event = json.loads(event)
for callback in self._event_callbacks:
try:
callback(event)
except Exception:
_logger.exception('%r callback failed on %r SN event',
callback, event)
event_type = event.get('event')
if event.get('event') == 'alert':
add_alert(event['severity'], msg=event['message'])
elif event_type == 'sync_complete':
add_alert('info', msg=_('Synchronization completed'))
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