import os import logging import dbus import dbus.glib import gtk import gobject import wnck from ActivityRegistry import ActivityRegistry from home.HomeWindow import HomeWindow from home.HomeModel import HomeModel from sugar import env from Owner import ShellOwner from sugar.presence.PresenceService import PresenceService from ActivityHost import ActivityHost from ChatController import ChatController from sugar.activity import ActivityFactory from sugar.activity import Activity import sugar.logger class ShellDbusService(dbus.service.Object): def __init__(self, shell, bus_name): dbus.service.Object.__init__(self, bus_name, '/com/redhat/Sugar/Shell') self._shell = shell def __show_people_idle(self): self._shell.show_people() def __show_console_idle(self): self._shell.show_console() @dbus.service.method('com.redhat.Sugar.Shell') def show_people(self): gobject.idle_add(self.__show_people_idle) @dbus.service.method('com.redhat.Sugar.Shell') def show_console(self): gobject.idle_add(self.__show_console_idle) @dbus.service.method('com.redhat.Sugar.Shell') def zoom_in(self): self._shell.zoom_in() @dbus.service.method('com.redhat.Sugar.Shell') def zoom_out(self): self._shell.zoom_out() class Shell(gobject.GObject): ZOOM_MESH = 0 ZOOM_FRIENDS = 1 ZOOM_HOME = 2 ZOOM_ACTIVITY = 3 __gsignals__ = { 'activity-opened': (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, registry): gobject.GObject.__init__(self) self._screen = wnck.screen_get_default() self._registry = registry self._hosts = {} self._zoom_level = Shell.ZOOM_HOME def start(self): session_bus = dbus.SessionBus() bus_name = dbus.service.BusName('com.redhat.Sugar.Shell', bus=session_bus) ShellDbusService(self, bus_name) self._owner = ShellOwner() self._owner.announce() self._chat_controller = ChatController(self) self._chat_controller.listen() home_model = HomeModel(self._registry) self._home_window = HomeWindow(self, home_model) self._home_window.show() self._screen.connect('window-opened', self.__window_opened_cb) self._screen.connect('window-closed', self.__window_closed_cb) def set_console(self, console): self._console = console def __window_opened_cb(self, screen, window): if window.get_window_type() == wnck.WINDOW_NORMAL: host = ActivityHost(self, window) self._hosts[window.get_xid()] = host self.emit('activity-opened', host) def __window_closed_cb(self, screen, window): if window.get_window_type() == wnck.WINDOW_NORMAL: xid = window.get_xid() host = self._hosts[xid] self.emit('activity-closed', host) del self._hosts[xid] def get_activity(self, activity_id): for host in self._hosts.values(): if host.get_id() == activity_id: return host return None def get_current_activity(self): window = self._screen.get_active_window() if window: xid = None if window.get_window_type() == wnck.WINDOW_NORMAL: xid = window.get_xid() elif window.get_window_type() == wnck.WINDOW_DIALOG: parent = window.get_transient() if not parent is None: xid = parent.get_xid() if xid != None: return self._hosts[xid] return None def show_people(self): activity = self.get_current_activity() activity.show_people() def show_console(self): self._console.show() activity = self.get_current_activity() if activity: module = self._registry.get_activity(activity.get_default_type()) self._console.set_page(module.get_id()) def join_activity(self, service): info = self._registry.get_activity(service.get_type()) activity_id = service.get_activity_id() activity = self.get_activity(activity_id) if activity: activity.present() else: pservice = PresenceService() activity_ps = pservice.get_activity(activity_id) if activity_ps: activity = ActivityFactory.create(info.get_id()) activity.set_default_type(service.get_type()) activity.join(activity_ps.object_path()) else: logging.error('Cannot start activity.') def start_activity(self, activity_name): activity = ActivityFactory.create(activity_name) info = self._registry.get_activity_from_id(activity_name) if info: default_type = info.get_default_type() if default_type != None: activity.set_default_type(default_type) activity.execute('test', []) return activity else: logging.error('No such activity in the directory') return None def get_registry(self): return self._registry def get_chat_controller(self): return self._chat_controller def _set_zoom_level(self, level): self._zoom_level = level if level == Shell.ZOOM_ACTIVITY: self._screen.toggle_showing_desktop(False) else: self._screen.toggle_showing_desktop(True) if level == Shell.ZOOM_HOME: self._home_window.set_view(HomeWindow.HOME_VIEW) elif level == Shell.ZOOM_FRIENDS: self._home_window.set_view(HomeWindow.FRIENDS_VIEW) elif level == Shell.ZOOM_MESH: self._home_window.set_view(HomeWindow.MESH_VIEW) def zoom_in(self): level = self._zoom_level + 1 if level <= Shell.ZOOM_ACTIVITY: self._set_zoom_level(level) def zoom_out(self): level = self._zoom_level - 1 if level >= Shell.ZOOM_MESH: self._set_zoom_level(level)