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# Copyright (C) 2006-2007 Red Hat, Inc.
#
# 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
import logging
from sugar.presence import presenceservice
from sugar.graphics.xocolor import XoColor
import gobject
_NOT_PRESENT_COLOR = "#888888,#BBBBBB"
class BuddyModel(gobject.GObject):
__gsignals__ = {
'appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'nick-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'color-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'icon-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([])),
'current-activity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self, key=None, buddy=None, nick=None):
if (key and buddy) or (not key and not buddy):
raise RuntimeError("Must specify only _one_ of key or buddy.")
gobject.GObject.__init__(self)
self._ba_handler = None
self._pc_handler = None
self._dis_handler = None
self._bic_handler = None
self._cac_handler = None
self._pservice = presenceservice.get_instance()
self._buddy = None
if not buddy:
self._key = key
# connect to the PS's buddy-appeared signal and
# wait for the buddy to appear
self._ba_handler = self._pservice.connect('buddy-appeared',
self._buddy_appeared_cb)
# Set color to 'inactive'/'disconnected'
self._set_color_from_string(_NOT_PRESENT_COLOR)
self._nick = nick
self._pservice.get_buddies_async(reply_handler=self._get_buddies_cb)
else:
self._update_buddy(buddy)
def _get_buddies_cb(self, list):
buddy = None
for iter_buddy in list:
if iter_buddy.props.key == self._key:
buddy = iter_buddy
break
if buddy:
if self._ba_handler:
# Once we have the buddy, we no longer need to
# monitor buddy-appeared events
self._pservice.disconnect(self._ba_handler)
self._ba_handler = None
self._update_buddy(buddy)
def _set_color_from_string(self, color_string):
self._color = XoColor(color_string)
def get_key(self):
return self._key
def get_nick(self):
return self._nick
def get_color(self):
return self._color
def get_buddy(self):
return self._buddy
def is_owner(self):
if not self._buddy:
return False
return self._buddy.props.owner
def is_present(self):
if self._buddy:
return True
return False
def get_current_activity(self):
if self._buddy:
return self._buddy.props.current_activity
return None
def _update_buddy(self, buddy):
if not buddy:
raise ValueError("Buddy cannot be None.")
self._buddy = buddy
self._key = self._buddy.props.key
self._nick = self._buddy.props.nick
self._set_color_from_string(self._buddy.props.color)
self._pc_handler = self._buddy.connect('property-changed', self._buddy_property_changed_cb)
self._bic_handler = self._buddy.connect('icon-changed', self._buddy_icon_changed_cb)
def _buddy_appeared_cb(self, pservice, buddy):
if self._buddy or buddy.props.key != self._key:
return
if self._ba_handler:
# Once we have the buddy, we no longer need to
# monitor buddy-appeared events
self._pservice.disconnect(self._ba_handler)
self._ba_handler = None
self._update_buddy(buddy)
self.emit('appeared')
def _buddy_property_changed_cb(self, buddy, keys):
if not self._buddy:
return
if 'color' in keys:
self._set_color_from_string(self._buddy.props.color)
self.emit('color-changed', self.get_color())
if 'current-activity' in keys:
self.emit('current-activity-changed', buddy.props.current_activity)
if 'nick' in keys:
self._nick = self._buddy.props.nick
self.emit('nick-changed', self.get_nick())
def _buddy_disappeared_cb(self, buddy):
if buddy != self._buddy:
return
self._buddy.disconnect(self._pc_handler)
self._buddy.disconnect(self._dis_handler)
self._buddy.disconnect(self._bic_handler)
self._buddy.disconnect(self._cac_handler)
self._set_color_from_string(_NOT_PRESENT_COLOR)
self.emit('disappeared')
self._buddy = None
def _buddy_icon_changed_cb(self, buddy):
self.emit('icon-changed')
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