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# Copyright (C) 2006, Owen Williams.
#
# 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 gobject
from sugar.graphics.canvasicon import CanvasIcon
from sugar.graphics import style
from model.homeactivity import HomeActivity
class HomeModel(gobject.GObject):
__gsignals__ = {
'activity-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'activity-removed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self, shell):
gobject.GObject.__init__(self)
self._activities = []
self._shell = shell
shell.connect('activity-opened', self.__activity_opened_cb)
shell.connect('activity-closed', self.__activity_closed_cb)
def __iter__(self):
return iter(self._activities)
def __len__(self):
return len(self._activities)
def __getitem__(self, i):
return self._activities[i]
def __activity_opened_cb(self, model, activity):
self._add_activity(activity)
def __activity_closed_cb(self, model, activity):
self._remove_activity(activity)
def _add_activity(self, activity):
h_activity = HomeActivity(activity)
self._activities.append(h_activity)
self.emit('activity-added', h_activity)
def _remove_activity(self, activity):
i = 0
for h_activity in self._activities:
if h_activity.get_id() == activity.get_id():
self.emit('activity-removed', self._activities[i])
del self._activities[i]
return
i += 1
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