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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 logging
from gettext import gettext as _
import gtk
import wnck
import gconf
import gobject
from sugar_network import launch
from sugar import wm
from sugar.graphics.xocolor import XoColor
from sugar.activity.activityfactory import create_activity_id
from jarabe.view.launcher import LaunchWindow
from jarabe.journal import model
from jarabe.model import shell
from jarabe.plugins.sn import get_client, get_registry, add_alert, get_browser
_logger = logging.getLogger('plugins.sn.launcher')
class Launcher(object):
def __init__(self):
self._launches = {}
self._screen = wnck.screen_get_default()
self._screen.connect('window-opened', self.__window_opened_cb)
get_client().connect_to_signal('Event', self.__Event_cb)
def launch(self, bundle, activity_id=None, object_id=None, uri=None,
color=None, invited=None, args=None):
if activity_id:
activity = shell.get_model().get_activity_by_id(activity_id)
if activity is not None:
_logger.debug('Resume %r activity', activity_id)
activity.get_window().activate(gtk.get_current_event_time())
return
def found_jobject(props):
self._launch(bundle,
props.get('activity_id') or activity_id,
props.get('object_id') or object_id,
uri,
XoColor(props['icon-color']) if 'icon-color' in props
else color,
args)
def not_found_jobject(error):
_logger.exception('Failed to launch %r: %s',
bundle.get_bundle_id(), error)
# pylint: disable-msg=W0212
if activity_id and not object_id:
_logger.debug('Look for jobject for %r activity_id', activity_id)
model._get_datastore().find({'activity_id': activity_id}, ['uid'],
reply_handler=lambda jobjects, total:
found_jobject(jobjects[0] if total else {}),
error_handler=not_found_jobject, byte_arrays=True)
elif object_id and not activity_id:
_logger.debug('Look for %r jobject', object_id)
model._get_datastore().get_properties(object_id,
reply_handler=found_jobject,
error_handler=not_found_jobject, byte_arrays=True)
else:
self._launch(bundle, activity_id, object_id, uri, color, args)
def _launch(self, bundle, activity_id, object_id, uri, color, extra_args):
if not activity_id:
activity_id = create_activity_id()
if color is None:
gc = gconf.client_get_default()
color = XoColor(gc.get_string('/desktop/sugar/user/color'))
args = ['-b', bundle.get_bundle_id()]
if activity_id:
args.extend(['-a', activity_id])
if object_id:
args.extend(['-o', object_id])
if uri:
args.extend(['-u', uri])
if extra_args:
args.extend(extra_args)
_logger.info('Starting %r: activity_id=%r object_id=%r uri=%r',
bundle.get_bundle_id(), activity_id, object_id, uri)
pipe = launch(bundle.mountpoint, bundle.get_bundle_id(), 'activity',
args)
gobject.io_add_watch(pipe.fileno(), gobject.IO_IN | gobject.IO_HUP,
self.__progress_cb, pipe, activity_id)
window = LaunchWindow(activity_id, bundle.get_icon(), color)
window.connect('realize', self.__window_realize_cb,
bundle.get_bundle_id(), activity_id)
window.show()
self._launches[activity_id] = window
def _stop_launcher(self, activity_id):
if activity_id not in self._launches:
return
_logger.debug('Stop %r launcher', activity_id)
window = self._launches.pop(activity_id)
window.destroy()
def _failure_report(self, event):
kwargs = {'context': event.get('context')}
if 'implementation' in event:
kwargs['implementation'] = event['implementation']
if 'log_path' in event:
kwargs['filename'] = event['log_path']
get_browser().open_report(**kwargs)
def __window_opened_cb(self, screen, window):
if window.get_window_type() != wnck.WINDOW_NORMAL or \
wm.get_sugar_window_type(window) == 'launcher':
return
activity_id = wm.get_activity_id(window)
if activity_id:
self._stop_launcher(activity_id)
def __window_realize_cb(self, widget, bundle_id, activity_id):
wm.set_activity_id(widget.window, str(activity_id))
widget.window.property_change('_SUGAR_WINDOW_TYPE', 'STRING', 8,
gtk.gdk.PROP_MODE_REPLACE, 'launcher')
wm.set_bundle_id(widget.window, str(bundle_id))
def __Event_cb(self, event):
if event.get('event') != 'launch':
return
bundle = get_registry().get_bundle(
event['context'], event['mountpoint'])
if bundle is None:
add_alert('error', msg=_('Cannot find %s activity to launch') %
event['context'])
else:
self.launch(bundle, object_id=event['object_id'], uri=event['uri'],
args=event['args'])
def __progress_cb(self, source, cb_condition, pipe, activity_id):
event = pipe.read()
if event is None:
return False
_logger.debug('Execution progress for %r: %r', activity_id, event)
try:
if event['state'] == 'failure':
_logger.warning('Activity %r failed', activity_id)
self._stop_launcher(activity_id)
self._failure_report(event)
except Exception:
_logger.exception('Failed to process event')
return True
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