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#! /usr/bin/env python
#
# Copyright (C) 2006, 2007 Simon Schampijer
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
from gettext import gettext as _
import gobject
import gtk
import os
import logging
import telepathy
import telepathy.client
import hippo
from sugar.activity.activity import Activity
from sugar.activity.activity import ActivityToolbox
from sugar.presence import presenceservice
from tubeconn import TubeConnection
from playview import PlayView
from buddiespanel import BuddiesPanel
from infopanel import InfoPanel
from controller import Controller
_logger = logging.getLogger('activity')
class MemosonoActivity(Activity):
def __init__(self, handle):
Activity.__init__(self, handle)
_logger.debug('Starting Memosono activity...')
self.set_title(_('Memsosono Activity'))
w = self.get_screen().get_width()
h = self.get_screen().get_height()
### FIXME: do better grid calculation
if w <= 1024:
self.pv = PlayView(600, 600, 32)
else:
self.pv = PlayView(800, 800, 32)
self.buddies_panel = BuddiesPanel()
self.info_panel = InfoPanel()
vbox = hippo.CanvasBox(spacing=4,
orientation=hippo.ORIENTATION_VERTICAL)
hbox = hippo.CanvasBox(spacing=4,
orientation=hippo.ORIENTATION_HORIZONTAL)
hbox.append(self.buddies_panel)
hbox.append(self.pv, hippo.PACK_EXPAND)
vbox.append(hbox, hippo.PACK_EXPAND)
vbox.append(self.info_panel, hippo.PACK_END)
canvas = hippo.Canvas()
canvas.set_root(vbox)
self.set_canvas(canvas)
self.show_all()
toolbox = ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.show()
self.pservice = presenceservice.get_instance()
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.initiating = None
self.ctrl = None
toolbox = ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.show()
# connect to the in/out events of the memosono activity
self.connect('focus_in_event', self._focus_in)
self.connect('focus_out_event', self._focus_out)
self.connect('destroy', self._cleanup_cb)
self.info_panel.show('To play, share!')
self.connect('shared', self._shared_cb)
owner = self.pservice.get_owner()
self.owner = owner
if self._shared_activity:
# we are joining the activity
self.buddies_panel.add_watcher(owner)
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():
# oh, OK, we've already joined
self._joined_cb()
else:
# we are creating the activity
self.buddies_panel.add_player(owner)
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
# XXX: we're assuming that we have Buddy objects for all contacts -
# this might break when the server becomes scalable.
return self.pservice.get_buddy_by_telepathy_handle(self.tp_conn_name,
self.tp_conn_path, handle)
def _shared_cb(self, activity):
_logger.debug('My Memosono activity was shared')
self.initiating = True
self._setup()
for buddy in self._shared_activity.get_joined_buddies():
self.buddies_panel.add_watcher(buddy)
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, 'org.fredektop.Telepathy.Tube.Memosono', {})
_logger.debug('Tube address: %s', self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].GetDBusServerAddress(id))
self.info_panel.show('Waiting for another player to join')
# 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 self.ctrl is not None:
return
if not self._shared_activity:
return
for buddy in self._shared_activity.get_joined_buddies():
self.buddies_panel.add_watcher(buddy)
_logger.debug('Joined an existing Memosono game')
self.info_panel.show('Joined a game. Waiting for my turn...')
self.initiating = False
self._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 _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 (self.ctrl is None and type == telepathy.TUBE_TYPE_DBUS and
service == 'org.fredektop.Telepathy.Tube.Memosono'):
if state == telepathy.TUBE_STATE_LOCAL_PENDING:
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].AcceptTube(id)
tube_conn = TubeConnection(self.conn,
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES],
id, group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])
self.ctrl = Controller(tube_conn, self.pv, self.initiating,
self.buddies_panel, self.info_panel, self.owner,
self._get_buddy, self)
def _buddy_joined_cb(self, activity, buddy):
_logger.debug('buddy joined')
self.buddies_panel.add_watcher(buddy)
def _buddy_left_cb(self, activity, buddy):
_logger.debug('buddy left')
self.buddies_panel.remove_watcher(buddy)
def write_file(self, file_path):
"""Store game state in Journal.
Handling the Journal is provided by Activity - we only need
to define this method.
"""
_logger.debug(" Write game state. ")
f = open(file_path, 'w')
try:
f.write('erikos won the game')
finally:
f.close()
def _focus_in(self, event, data=None):
if self.ctrl != None:
self.ctrl.cs.start()
_logger.debug(" Memosono is visible: start csound server. ")
def _focus_out(self, event, data=None):
if self.ctrl != None:
self.ctrl.cs.start()
_logger.debug(" Memosono is invisible: pause csound server. ")
def _cleanup_cb(self, data=None):
if self.ctrl != None:
self.ctrl.cs.quit()
_logger.debug(" Memosono closes: close csound server. ")
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