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Diffstat (limited to 'src/model/BuddyModel.py')
| -rw-r--r-- | src/model/BuddyModel.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/model/BuddyModel.py b/src/model/BuddyModel.py new file mode 100644 index 0000000..11c6567 --- /dev/null +++ b/src/model/BuddyModel.py @@ -0,0 +1,164 @@ +# 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') |