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# Copyright 2007 Collabora Ltd.
#
# 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
"""HelloMesh Activity: A case study for collaboration using Tubes."""
"""Actividad HelloMesh: Un caso de estudio para colaboracion usando Tubos."""
import logging
import telepathy
from sugar.activity.activity import Activity, ActivityToolbox
from sugar.presence import presenceservice
from sugar.presence.tubeconn import TubeConnection
import stopwatch
import gobject
import dobject
import cPickle
import gtk.gdk
SERVICE = "org.laptop.StopWatch"
class StopWatchActivity(Activity):
"""StopWatch Activity as specified in activity.info"""
def __init__(self, handle):
"""Set up the StopWatch activity."""
Activity.__init__(self, handle)
self._logger = logging.getLogger('stopwatch-activity')
gobject.threads_init()
# top toolbar with share and close buttons:
OLD_TOOLBAR = False
try:
from sugar.graphics.toolbarbox import ToolbarBox, ToolbarButton
from sugar.activity.widgets import ActivityToolbarButton, StopButton, \
ShareButton, TitleEntry, ActivityButton
except ImportError:
OLD_TOOLBAR = True
if OLD_TOOLBAR:
toolbox = ActivityToolbox(self)
self.set_toolbox(toolbox)
toolbox.show()
else:
toolbar_box = ToolbarBox()
self.activity_button = ActivityButton(self)
toolbar_box.toolbar.insert(self.activity_button, 0)
self.activity_button.show()
title_entry = TitleEntry(self)
toolbar_box.toolbar.insert(title_entry, -1)
title_entry.show()
share_button = ShareButton(self)
toolbar_box.toolbar.insert(share_button, -1)
share_button.show()
separator = gtk.SeparatorToolItem()
separator.props.draw = False
separator.set_expand(True)
toolbar_box.toolbar.insert(separator, -1)
separator.show()
stop_button = StopButton(self)
toolbar_box.toolbar.insert(stop_button, -1)
stop_button.show()
self.set_toolbar_box(toolbar_box)
self.tubebox = dobject.TubeBox()
self.timer = dobject.TimeHandler("main", self.tubebox)
self.gui = stopwatch.GUIView(self.tubebox, self.timer)
self.set_canvas(self.gui.display)
self.show_all()
self.initiating = False
# get the Presence Service
self.pservice = presenceservice.get_instance()
# Buddy object for you
owner = self.pservice.get_owner()
self.owner = owner
self.connect('shared', self._shared_cb)
self.connect('joined', self._joined_cb)
self.add_events(gtk.gdk.VISIBILITY_NOTIFY_MASK)
self.connect("visibility-notify-event", self._visible_cb)
self.connect("notify::active", self._active_cb)
def _shared_cb(self, activity):
self._logger.debug('My activity was shared')
self.initiating = True
self._sharing_setup()
self._logger.debug('This is my activity: making a tube...')
id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
SERVICE, {})
def _sharing_setup(self):
if self._shared_activity is None:
self._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)
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):
self._logger.error('ListTubes() failed: %s', e)
def _joined_cb(self, activity):
if not self._shared_activity:
return
self._logger.debug('Joined an existing shared activity')
self.initiating = False
self._sharing_setup()
self._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):
self._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 == SERVICE):
if state == telepathy.TUBE_STATE_LOCAL_PENDING:
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
tube_conn = TubeConnection(self.conn,
self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES],
id, group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])
self.tubebox.insert_tube(tube_conn, self.initiating)
def read_file(self, file_path):
f = open(file_path, 'r')
q = cPickle.load(f)
f.close()
self.gui.set_all(q)
def write_file(self, file_path):
self.metadata['mime_type'] = 'application/x-stopwatch-activity'
q = self.gui.get_all()
f = open(file_path, 'w')
cPickle.dump(q, f)
f.close()
def _active_cb(self, widget, event):
self._logger.debug("_active_cb")
if self.props.active:
self.gui.resume()
else:
self.gui.pause()
def _visible_cb(self, widget, event):
self._logger.debug("_visible_cb")
if event.state == gtk.gdk.VISIBILITY_FULLY_OBSCURED:
self.gui.pause()
else:
self.gui.resume()
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