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# Copyright 2007 World Wide Workshop Foundation
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# If you find this activity useful or end up using parts of it in one of your
# own creations we would love to hear from you at info@WorldWideWorkshop.org !
#
import telepathy
#import telepathy.client
from sugar.presence.tubeconn import TubeConnection
from sugar.presence import presenceservice
#import dbus
import logging
logger = logging.getLogger('tube_helper')
GAME_IDLE = (10, 'idle')
GAME_SELECTED = (20, 'selected')
GAME_STARTED = (30, 'started')
GAME_FINISHED = (40, 'finished')
GAME_QUIT = (50, 'quit')
class TubeHelper (object):
""" Tube handling mixin for activities """
def __init__(self, tube_class, service):
"""Set up the tubes for this activity."""
self.tube_class = tube_class
self.service = service
self.pservice = presenceservice.get_instance()
#bus = dbus.Bus()
name, path = self.pservice.get_preferred_connection()
self.tp_conn_name = name
self.tp_conn_path = path
#self.conn = telepathy.client.Connection(name, path)
self.game_tube = False
self.initiating = None
# Buddy object for you
owner = self.pservice.get_owner()
self.owner = owner
self.connect('shared', self._shared_cb)
self.connect('joined', self._joined_cb)
#if self._shared_activity:
# # we are joining the activity
# self.conn = self._shared_activity.telepathy_conn
# self.tubes_chan = self._shared_activity.telepathy_tubes_chan
# self.text_chan = self._shared_activity.telepathy_text_chan
# self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube',
# self._new_tube_cb)
# self.connect('joined', self._joined_cb)
# self._shared_activity.connect('buddy-joined',
# self._buddy_joined_cb)
# self._shared_activity.connect('buddy-left',
# self._buddy_left_cb)
# if self.get_shared():
# # we've already joined
# self._joined_cb()
def _sharing_setup(self):
if self._shared_activity is None:
logger.error('Failed to share or join activity')
return
self.conn = self._shared_activity.telepathy_conn
self.tubes_chan = self._shared_activity.telepathy_tubes_chan
self.text_chan = self._shared_activity.telepathy_text_chan
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube',
self._new_tube_cb)
self._shared_activity.connect('buddy-joined', self._buddy_joined_cb)
self._shared_activity.connect('buddy-left', self._buddy_left_cb)
def _shared_cb(self, activity):
logger.debug('My activity was shared')
self.initiating = True
self._sharing_setup()
logger.debug('This is my activity: making a tube...')
id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
self.service, {})
self.shared_cb()
#def _shared_cb(self, activity):
# logger.debug('My activity was shared')
# self.initiating = True
# #self._setup()
#
# self.conn = self._shared_activity.telepathy_conn
# self.tubes_chan = self._shared_activity.telepathy_tubes_chan
# self.text_chan = self._shared_activity.telepathy_text_chan
# self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube',
# self._new_tube_cb)
#
# for buddy in self._shared_activity.get_joined_buddies():
# pass # Can do stuff with newly acquired buddies here
#
# self._shared_activity.connect('buddy-joined', self._buddy_joined_cb)
# self._shared_activity.connect('buddy-left', self._buddy_left_cb)
#
# logger.debug('This is my activity: making a tube...')
# # id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferTube(
# # telepathy.TUBE_TYPE_DBUS, self.service, {})
#
# self.shared_cb()
def shared_cb (self):
""" override this """
pass
# # FIXME: presence service should be tubes-aware and give us more help
# # with this
# def _setup(self):
# if self._shared_activity is None:
# logger.error('Failed to share or join activity')
# return
#
# bus_name, conn_path, channel_paths =\
# self._shared_activity.get_channels()
#
# # Work out what our room is called and whether we have Tubes already
# room = None
# tubes_chan = None
# text_chan = None
# for channel_path in channel_paths:
# channel = telepathy.client.Channel(bus_name, channel_path)
# htype, handle = channel.GetHandle()
# if htype == telepathy.HANDLE_TYPE_ROOM:
# logger.debug('Found our room: it has handle#%d "%s"',
# handle, self.conn.InspectHandles(htype, [handle])[0])
# room = handle
# ctype = channel.GetChannelType()
# if ctype == telepathy.CHANNEL_TYPE_TUBES:
# logger.debug('Found our Tubes channel at %s', channel_path)
# tubes_chan = channel
# elif ctype == telepathy.CHANNEL_TYPE_TEXT:
# logger.debug('Found our Text channel at %s', channel_path)
# text_chan = channel
#
# if room is None:
# logger.error("Presence service didn't create a room")
# return
# if text_chan is None:
# logger.error("Presence service didn't create a text channel")
# return
#
# # Make sure we have a Tubes channel - PS doesn't yet provide one
# if tubes_chan is None:
# logger.debug("Didn't find our Tubes channel, requesting one...")
# tubes_chan = self.conn.request_channel(telepathy.CHANNEL_TYPE_TUBES,
# telepathy.HANDLE_TYPE_ROOM, room, True)
#
# self.tubes_chan = tubes_chan
# self.text_chan = text_chan
#
# tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube',
# self._new_tube_cb)
def _list_tubes_reply_cb(self, tubes):
for tube_info in tubes:
self._new_tube_cb(*tube_info)
def _list_tubes_error_cb(self, e):
logger.error('ListTubes() failed: %s', e)
def _joined_cb(self, activity):
if not self._shared_activity:
return
for buddy in self._shared_activity.get_joined_buddies():
self._buddy_joined_cb(self, buddy)
logger.debug('Joined an existing shared activity')
self.initiating = False
self._sharing_setup()
logger.debug('This is not my activity: waiting for a tube...')
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
reply_handler=self._list_tubes_reply_cb,
error_handler=self._list_tubes_error_cb)
def joined_cb (self):
""" override this """
pass
def _new_tube_cb(self, id, initiator, type, service, params, state):
logger.debug('New tube: ID=%d initator=%d type=%d service=%s '
'params=%r state=%d', id, initiator, type, service,
params, state)
if (type == telepathy.TUBE_TYPE_DBUS and
service == self.service):
if state == telepathy.TUBE_STATE_LOCAL_PENDING:
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
self.tube_conn = TubeConnection(self.conn,
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES],
id, group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])
logger.debug("creating game tube")
self.game_tube = self.tube_class(self.tube_conn, self.initiating, self)
self.new_tube_cb()
def get_bus_name (self):
return self.tube_conn.participants.get(self.tubes_chan[telepathy.CHANNEL_INTERFACE_GROUP].GetSelfHandle(), None)
def new_tube_cb (self):
""" override this """
pass
def _get_buddy(self, cs_handle):
"""Get a Buddy from a channel specific handle."""
logger.debug('Trying to find owner of handle %u...', cs_handle)
group = self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP]
my_csh = group.GetSelfHandle()
logger.debug('My handle in that group is %u', my_csh)
if my_csh == cs_handle:
handle = self.conn.GetSelfHandle()
logger.debug('CS handle %u belongs to me, %u', cs_handle, handle)
elif group.GetGroupFlags() & telepathy.CHANNEL_GROUP_FLAG_CHANNEL_SPECIFIC_HANDLES:
handle = group.GetHandleOwners([cs_handle])[0]
logger.debug('CS handle %u belongs to %u', cs_handle, handle)
else:
handle = cs_handle
logger.debug('non-CS handle %u belongs to itself', handle)
# XXX: deal with failure to get the handle owner
assert handle != 0
return self.pservice.get_buddy_by_telepathy_handle(self.tp_conn_name,
self.tp_conn_path, handle)
def _buddy_joined_cb (self, activity, buddy):
logger.debug('Buddy %s joined' % buddy.props.nick)
self.buddy_joined_cb(buddy)
def buddy_joined_cb (self, buddy):
""" override this """
pass
def _buddy_left_cb (self, activity, buddy):
logger.debug('Buddy %s left' % buddy.props.nick)
self.buddy_left_cb(buddy)
def buddy_left_cb (self, buddy):
""" override this """
pass
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