# Copyright (C) 2006, 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 import gobject import wnck from view.home.HomeWindow import HomeWindow from sugar.presence import PresenceService from sugar.graphics.popupcontext import PopupContext from view.ActivityHost import ActivityHost from sugar.activity import ActivityFactory from view.frame.frame import Frame from view.keyhandler import KeyHandler from view.hardwaremanager import HardwareManager from _sugar import AudioManager import sugar class Shell(gobject.GObject): def __init__(self, model): gobject.GObject.__init__(self) self._model = model self._hosts = {} self._screen = wnck.screen_get_default() self._current_host = None self._screen_rotation = 0 self._hw_manager = HardwareManager() self._audio_manager = AudioManager() self._home_window = HomeWindow(self) self._home_window.show() self.set_zoom_level(sugar.ZOOM_HOME) self._key_handler = KeyHandler(self) home_model = self._model.get_home() home_model.connect('activity-added', self._activity_added_cb) home_model.connect('activity-removed', self._activity_removed_cb) home_model.connect('active-activity-changed', self._active_activity_changed_cb) self._popup_context = PopupContext() self._frame = Frame(self) self._frame.show_and_hide(3) self._pservice = PresenceService.get_instance() self.start_activity('org.laptop.JournalActivity') def _activity_added_cb(self, home_model, home_activity): activity_host = ActivityHost(home_activity) self._hosts[activity_host.get_xid()] = activity_host def _activity_removed_cb(self, home_model, home_activity): if not home_activity.get_launched(): return xid = home_activity.get_xid() if self._hosts.has_key(xid): self._hosts[xid].destroy() del self._hosts[xid] def _active_activity_changed_cb(self, home_model, home_activity): if home_activity: host = self._hosts[home_activity.get_xid()] else: host = None if self._current_host: self._current_host.set_active(False) self._current_host = host if self._current_host: self._current_host.set_active(True) def get_hardware_manager(self): return self._hw_manager def get_audio_manager(self): return self._audio_manager def get_model(self): return self._model def get_frame(self): return self._frame def get_popup_context(self): return self._popup_context def _join_success_cb(self, handler, activity, activity_ps, activity_id, activity_type): logging.debug("Joining activity %s (%s)" % (activity_id, activity_type)) activity.join(activity_ps.object_path()) def _join_error_cb(self, handler, err, home_model, activity_id, activity_type): logging.error("Couldn't launch activity %s (%s):\n%s" % (activity_id, activity_type, err)) home_mode.notify_activity_launch_failed(activity_id) def join_activity(self, bundle_id, activity_id): activity = self.get_activity(activity_id) if activity: activity.present() return activity_ps = self._pservice.get_activity(activity_id) if not activity_ps: logging.error("Couldn't find shared activity for %s" % activity_id) return # Get the service name for this activity, if # we have a bundle on the system capable of handling # this activity type breg = self._model.get_bundle_registry() bundle = breg.find_by_default_type(bundle_id) if not bundle: logging.error("Couldn't find activity for type %s" % bundle_id) return act_type = bundle.get_service_name() home_model = self._model.get_home() home_model.notify_activity_launch(activity_id, act_type) handler = ActivityFactory.create(act_type) handler.connect('success', self._join_success_cb, activity_ps, activity_id, act_type) handler.connect('error', self._join_error_cb, home_model, activity_id, act_type) def _find_unique_activity_id(self): # create a new unique activity ID i = 0 act_id = None while i < 10: act_id = sugar.util.unique_id() i += 1 # check through existing activities found = False for xid, act_host in self._hosts.items(): if act_host.get_id() == act_id: found = True break if found: act_id = None continue # check through network activities activities = self._pservice.get_activities() for act in activities: if act_id == act.get_id(): found = True break if found: act_id = None continue return act_id def _start_success_cb(self, handler, activity, activity_id, activity_type): logging.debug("Started activity %s (%s)" % (activity_id, activity_type)) activity.start(activity_id) def _start_error_cb(self, handler, err, home_model, activity_id, activity_type): logging.error("Couldn't launch activity %s (%s):\n%s" % (activity_id, activity_type, err)) home_model.notify_activity_launch_failed(activity_id) def start_activity(self, activity_type): logging.debug('Shell.start_activity') act_id = self._find_unique_activity_id() if not act_id: logging.error("Couldn't find available activity ID.") return None home_model = self._model.get_home() home_model.notify_activity_launch(act_id, activity_type) logging.debug("Shell.start_activity will start %s (%s)" % (act_id, activity_type)) handler = ActivityFactory.create(activity_type) handler.connect('success', self._start_success_cb, act_id, activity_type) handler.connect('error', self._start_error_cb, home_model, act_id, activity_type) # Zoom to Home for launch feedback self.set_zoom_level(sugar.ZOOM_HOME) def set_zoom_level(self, level): if level == sugar.ZOOM_ACTIVITY: self._screen.toggle_showing_desktop(False) else: self._screen.toggle_showing_desktop(True) self._home_window.set_zoom_level(level) def get_current_activity(self): return self._current_host def get_activity(self, activity_id): for host in self._hosts.values(): if host.get_id() == activity_id: return host return None def toggle_chat_visibility(self): act = self.get_current_activity() if not act: return is_visible = self._frame.is_visible() if act.is_chat_visible(): frame_was_visible = act.chat_hide() if not frame_was_visible: self._frame.do_slide_out() else: if not is_visible: self._frame.do_slide_in() act.chat_show(is_visible)