116 lines
3.6 KiB
Python
116 lines
3.6 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import logging
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import gtk
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from sugar.presence import PresenceService
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from sugar.activity.activityservice import ActivityService
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from sugar import env
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class Activity(gtk.Window):
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"""Base Activity class that all other Activities derive from."""
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def __init__(self):
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gtk.Window.__init__(self)
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self.connect('destroy', self._destroy_cb)
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self._shared = False
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self._activity_id = None
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self._service = None
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self._pservice = PresenceService.get_instance()
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self.realize()
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group = gtk.Window()
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group.realize()
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self.window.set_group(group.window)
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self._bus = ActivityService(self)
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def start(self, activity_id):
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"""Start the activity."""
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if self._activity_id != None:
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logging.warning('The activity has been already started.')
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return
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self._activity_id = activity_id
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self.present()
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def get_type(self):
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"""Gets the activity type."""
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return env.get_bundle_service_name()
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def get_default_type(self):
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"""Gets the type of the default activity network service"""
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return env.get_bundle_default_type()
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def get_shared(self):
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"""Returns TRUE if the activity is shared on the mesh."""
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return self._shared
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def get_id(self):
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"""Get the unique activity identifier."""
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return self._activity_id
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def join(self, activity_ps):
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"""Join an activity shared on the network."""
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if self._activity_id != None:
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logging.warning('The activity has been already started.')
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return
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self._activity_id = activity_ps.get_id()
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self._shared = True
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# Publish the default service, it's a copy of
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# one of those we found on the network.
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default_type = self.get_default_type()
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services = activity_ps.get_services_of_type(default_type)
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if len(services) > 0:
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service = services[0]
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addr = service.get_address()
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port = service.get_port()
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properties = service.get_published_values()
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self._service = self._pservice.share_activity(
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self, default_type, properties, addr, port)
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else:
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logging.error('Cannot join the activity')
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self.present()
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def share(self):
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"""Share the activity on the network."""
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logging.debug('Share activity %s on the network.' % self.get_id())
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default_type = self.get_default_type()
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self._service = self._pservice.share_activity(self, default_type)
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self._shared = True
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def execute(self, command, args):
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"""Execute the given command with args"""
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return False
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def _destroy_cb(self, window):
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if self._bus:
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del self._bus
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self._bus = None
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if self._service:
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self._pservice.unregister_service(self._service)
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