import gtk import gobject import wnck from sugar.canvas.Grid import Grid from view.home.HomeWindow import HomeWindow from sugar.presence import PresenceService from view.ActivityHost import ActivityHost from sugar.activity import ActivityFactory from sugar.activity import Activity from view.frame.Frame import Frame from globalkeys import KeyGrabber import sugar class Shell(gobject.GObject): __gsignals__ = { 'activity-opened': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'activity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])), 'activity-closed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])) } def __init__(self, model): gobject.GObject.__init__(self) self._model = model self._hosts = {} self._screen = wnck.screen_get_default() self._grid = Grid() self._key_grabber = KeyGrabber() self._key_grabber.connect('key-pressed', self.__global_key_pressed_cb) self._key_grabber.connect('key-released', self.__global_key_released_cb) self._key_grabber.grab('F1') self._key_grabber.grab('F2') self._key_grabber.grab('F3') self._key_grabber.grab('F4') self._key_grabber.grab('F5') self._key_grabber.grab('F6') self._home_window = HomeWindow(self) self._home_window.show() self.set_zoom_level(sugar.ZOOM_HOME) self._screen.connect('window-opened', self.__window_opened_cb) self._screen.connect('window-closed', self.__window_closed_cb) self._screen.connect('active-window-changed', self.__active_window_changed_cb) self._frame = Frame(self) self._frame.show_and_hide(3) def __global_key_pressed_cb(self, grabber, key): if key == 'F1': self.set_zoom_level(sugar.ZOOM_ACTIVITY) elif key == 'F2': self.set_zoom_level(sugar.ZOOM_HOME) elif key == 'F3': self.set_zoom_level(sugar.ZOOM_FRIENDS) elif key == 'F4': self.set_zoom_level(sugar.ZOOM_MESH) elif key == 'F5': self._frame.notify_key_press() elif key == 'F6': self.start_activity('org.sugar.Terminal') def __global_key_released_cb(self, grabber, key): if key == 'F5': self._frame.notify_key_release() def __window_opened_cb(self, screen, window): if window.get_window_type() == wnck.WINDOW_NORMAL: activity_host = ActivityHost(self, window) self._hosts[activity_host.get_xid()] = activity_host self.emit('activity-opened', activity_host) def __active_window_changed_cb(self, screen): window = screen.get_active_window() if window == None: self._model.set_current_activity(None) self.emit('activity-changed', None) elif window.get_window_type() == wnck.WINDOW_NORMAL: activity_host = self._hosts[window.get_xid()] current = self._model.get_current_activity() if activity_host.get_id() == current: return self._model.set_current_activity(activity_host.get_id()) self.emit('activity-changed', activity_host) def __window_closed_cb(self, screen, window): if window.get_window_type() == wnck.WINDOW_NORMAL: if self._hosts.has_key(window.get_xid()): host = self._hosts[window.get_xid()] self.emit('activity-closed', host) del self._hosts[window.get_xid()] def get_model(self): return self._model def get_grid(self): return self._grid def join_activity(self, bundle_id, activity_id): pservice = PresenceService.get_instance() activity = self._model.get_activity(activity_id) if activity: activity.present() else: activity_ps = pservice.get_activity(activity_id) if activity_ps: activity = ActivityFactory.create(bundle_id) activity.join(activity_ps.object_path()) else: logging.error('Cannot start activity.') def start_activity(self, activity_type): activity = ActivityFactory.create(activity_type) activity.execute('test', []) return activity 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): activity_id = self._model.get_current_activity() if activity_id: return self._get_activity(activity_id) else: return None def _get_activity(self, activity_id): for host in self._hosts.values(): if host.get_id() == activity_id: return host return None