sugar-toolkit-gtk3/shell/Shell.py

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import os
import logging
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import dbus
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import dbus.glib
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import gtk
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import gobject
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import wnck
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from home.HomeWindow import HomeWindow
from Owner import ShellOwner
from sugar.presence import PresenceService
from ActivityHost import ActivityHost
from ChatController import ChatController
from sugar.activity import ActivityFactory
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from sugar.activity import Activity
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from frame.Frame import Frame
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from globalkeys import KeyGrabber
import conf
from sugar import env
import sugar
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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_console_idle(self):
self._shell.show_console()
@dbus.service.method('com.redhat.Sugar.Shell')
def show_console(self):
gobject.idle_add(self.__show_console_idle)
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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]))
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}
def __init__(self):
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gobject.GObject.__init__(self)
self._screen = wnck.screen_get_default()
self._hosts = {}
self._current_window = None
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self._key_grabber = KeyGrabber()
self._key_grabber.connect('key-pressed', self.__global_key_pressed_cb)
self._key_grabber.grab('F1')
self._key_grabber.grab('F2')
self._key_grabber.grab('F3')
self._key_grabber.grab('F4')
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self._key_grabber.grab('F5')
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self._key_grabber.grab('F6')
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self._home_window = HomeWindow(self)
self._home_window.show()
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)
session_bus = dbus.SessionBus()
bus_name = dbus.service.BusName('com.redhat.Sugar.Shell', bus=session_bus)
ShellDbusService(self, bus_name)
PresenceService.start()
self._pservice = PresenceService.get_instance()
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self._owner = ShellOwner()
self._owner.announce()
self._home_window.set_owner(self._owner)
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self._chat_controller = ChatController(self)
self._chat_controller.listen()
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self._frame = Frame(self, self._owner)
self._frame.show_and_hide(10)
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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.toggle_visibility()
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elif key == 'F6':
ActivityFactory.create('org.sugar.Terminal')
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 __active_window_changed_cb(self, screen):
window = screen.get_active_window()
if window and window.get_window_type() == wnck.WINDOW_NORMAL:
if self._current_window != window:
self._current_window = window
self.emit('activity-changed', self.get_current_activity())
def __window_closed_cb(self, screen, window):
if window.get_window_type() == wnck.WINDOW_NORMAL:
xid = window.get_xid()
if self._hosts.has_key(xid):
host = self._hosts[xid]
self.emit('activity-closed', host)
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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):
if self._current_window != None:
xid = self._current_window.get_xid()
return self._hosts[xid]
else:
return None
def show_console(self):
self._console.show()
activity = self.get_current_activity()
if activity:
registry = conf.get_activity_registry()
module = registry.get_activity(activity.get_type())
self._console.set_page(module.get_id())
def join_activity(self, bundle_id, activity_id):
activity = self.get_activity(activity_id)
if activity:
activity.present()
else:
activity_ps = self._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
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def get_chat_controller(self):
return self._chat_controller
def set_zoom_level(self, level):
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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)