From f699b1f6dc897a96e4323db65961190e65690eef Mon Sep 17 00:00:00 2001 From: Aleksey Lim Date: Wed, 16 Dec 2009 19:36:06 +0000 Subject: Switch to services --- (limited to 'port/activity.py') diff --git a/port/activity.py b/port/activity.py deleted file mode 100644 index e3b6fdd..0000000 --- a/port/activity.py +++ /dev/null @@ -1,305 +0,0 @@ -# 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 - -"""Extend sugar-toolkit activity class""" - -import gtk -import logging -import telepathy -import gobject - -import sugar.activity.activity as toolkit -from sugar.presence.sugartubeconn import SugarTubeConnection -from sugar.graphics.alert import ConfirmationAlert, NotifyAlert - -_NEW_INSTANCE = 0 -_NEW_INSTANCE = 1 -_PRE_INSTANCE = 2 -_POST_INSTANCE = 3 - -class CursorFactory: - __shared_state = {"cursors": {}} - - def __init__(self): - self.__dict__ = self.__shared_state - - def get_cursor(self, cur_type): - if not self.cursors.has_key(cur_type): - cur = gtk.gdk.Cursor(cur_type) - self.cursors[cur_type] = cur - return self.cursors[cur_type] - -class Activity(toolkit.Activity): - """Basic activity class""" - - def new_instance(self): - """ - New instance was created. - - Will be invoked after __init__() instead of resume_instance(). - Subclass should implement this method to catch creation stage. - """ - pass - - def resume_instance(self, filepath): - """ - Instance was resumed. - - Will be invoked after __init__() instead of new_instance(). - Subclass should implement this method to catch resuming stage. - - """ - pass - - def save_instance(self, filepath): - """ - Save activity instance. - - Subclass should implement this method to save activity data. - """ - raise NotImplementedError - - def on_save_instance(self, cb, *args): - """ Register callback which will be invoked before save_instance """ - self.__on_save_instance.append((cb, args)) - - def share_instance(self, connection, is_initiator): - """ - Activity was shared/joined. - - connection -- SugarTubeConnection object - wich represents telepathy connection - - is_initiator -- boolean - if True activity was shared and - (current activity is an initiator of sharing) - otherwise activity was joined(to existed sharing session) - - Will be invoked after __init__() and {new,resume}_instance(). - Subclass should implement this method to catch sharing stage. - """ - pass - - def notify_alert(self, title, msg): - """Raise standard notify alert""" - alert = NotifyAlert(title=title, msg=msg) - - def response(alert, response_id, self): - self.remove_alert(alert) - - alert.connect('response', response, self) - alert.show_all() - self.add_alert(alert) - - def confirmation_alert(self, title, msg, cb, *cb_args): - """Raise standard confirmation alert""" - alert = ConfirmationAlert(title=title, msg=msg) - - def response(alert, response_id, self, cb, *cb_args): - self.remove_alert(alert) - if response_id is gtk.RESPONSE_OK: - cb(*cb_args) - - alert.connect('response', response, self, cb, *cb_args) - alert.show_all() - self.add_alert(alert) - - def get_cursor(self): - return self._cursor - - def set_cursor(self, cursor): - if not isinstance(cursor, gtk.gdk.Cursor): - cursor = CursorFactory().get_cursor(cursor) - - if self._cursor != cursor: - self._cursor = cursor - self.window.set_cursor(self._cursor) - - def __init__(self, canvas, handle): - """ - Initialise the Activity. - - canvas -- gtk.Widget - root widget for activity content - - handle -- sugar.activity.activityhandle.ActivityHandle - instance providing the activity id and access to the - presence service which *may* provide sharing for this - application - - """ - toolkit.Activity.__init__(self, handle) - - if handle.object_id: - self.__state = _NEW_INSTANCE - else: - self.__state = _NEW_INSTANCE - - self.__resume_filename = None - self.__postponed_share = [] - self.__on_save_instance = [] - - self._cursor = None - self.set_cursor(gtk.gdk.LEFT_PTR) - - # XXX do it after(possible) read_file() invoking - # have to rely on calling read_file() from map_cb in sugar-toolkit - canvas.connect_after('map', self.__map_canvasactivity_cb) - self.set_canvas(canvas) - - def __instance(self): - logging.debug('Activity.__instance') - - if self.__resume_filename: - self.resume_instance(self.__resume_filename) - else: - self.new_instance() - - for i in self.__postponed_share: - self.share_instance(*i) - self.__postponed_share = [] - - self.__state = _POST_INSTANCE - - def read_file(self, filepath): - """Subclass should not override this method""" - logging.debug('Activity.read_file state=%s' % self.__state) - - self.__resume_filename = filepath - - if self.__state == _NEW_INSTANCE: - self.__state = _PRE_INSTANCE - elif self.__state == _PRE_INSTANCE: - self.__instance(); - - def write_file(self, filepath): - """Subclass should not override this method""" - for cb, args in self.__on_save_instance: - cb(*args) - self.save_instance(filepath) - - def __map_canvasactivity_cb(self, widget): - logging.debug('Activity.__map_canvasactivity_cb state=%s' % \ - self.__state) - - if self.__state == _NEW_INSTANCE: - self.__instance() - elif self.__state == _NEW_INSTANCE: - self.__state = _PRE_INSTANCE - elif self.__state == _PRE_INSTANCE: - self.__instance(); - - return False - - def _share(self, tube_conn, initiator): - logging.debug('Activity._share state=%s' % self.__state) - - if self.__state == _NEW_INSTANCE: - self.__postponed_share.append((tube_conn, initiator)) - self.__state = _PRE_INSTANCE - elif self.__state == _PRE_INSTANCE: - self.__postponed_share.append((tube_conn, initiator)) - self.__instance(); - elif self.__state == _POST_INSTANCE: - self.share_instance(tube_conn, initiator) - -class SharedActivity(Activity): - """Basic activity class with sharing features""" - - def __init__(self, canvas, service, handle): - """ - Initialise the Activity. - - canvas -- gtk.Widget - root widget for activity content - - service -- string - dbus service for activity - - handle -- sugar.activity.activityhandle.ActivityHandle - instance providing the activity id and access to the - presence service which *may* provide sharing for this - application - - """ - Activity.__init__(self, canvas, handle) - self.service = service - - self.connect('shared', self._shared_cb) - - # Owner.props.key - if self._shared_activity: - # We are joining the activity - self.connect('joined', self._joined_cb) - if self.get_shared(): - # We've already joined - self._joined_cb() - - def _shared_cb(self, activity): - logging.debug('My activity was shared') - self.__initiator = True - self._sharing_setup() - - logging.debug('This is my activity: making a tube...') - id = self._tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube( - self.service, {}) - - def _joined_cb(self, activity): - if not self._shared_activity: - return - - logging.debug('Joined an existing shared activity') - - self.__initiator = False - self._sharing_setup() - - logging.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 _sharing_setup(self): - if self._shared_activity is None: - logging.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): - logging.error('ListTubes() failed: %s', e) - - def _new_tube_cb(self, id, initiator, type, service, params, state): - logging.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 == self.service): - if state == telepathy.TUBE_STATE_LOCAL_PENDING: - self._tubes_chan[telepathy.CHANNEL_TYPE_TUBES] \ - .AcceptDBusTube(id) - - tube_conn = SugarTubeConnection(self._conn, - self._tubes_chan[telepathy.CHANNEL_TYPE_TUBES], id, - group_iface=self._text_chan[telepathy.CHANNEL_INTERFACE_GROUP]) - - self._share(tube_conn, self.__initiator) -- cgit v0.9.1