237 lines
6.8 KiB
Python
237 lines
6.8 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gtk
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import gobject
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import wnck
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import view.stylesheet
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from sugar.graphics import style
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from view.home.HomeWindow import HomeWindow
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from sugar.presence import PresenceService
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from view.ActivityHost import ActivityHost
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from sugar.activity import ActivityFactory
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from sugar.activity import Activity
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from view.frame.Frame import Frame
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from view.dconmanager import DCONManager
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from _sugar import KeyGrabber
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import sugar
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class Shell(gobject.GObject):
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__gsignals__ = {
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'activity-opened': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
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'activity-changed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
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'activity-closed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self, model):
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gobject.GObject.__init__(self)
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self._model = model
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self._hosts = {}
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self._screen = wnck.screen_get_default()
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self._current_host = None
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style.load_stylesheet(view.stylesheet)
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self._dcon_manager = DCONManager()
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self._key_grabber = KeyGrabber()
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self._key_grabber.connect('key-pressed',
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self.__global_key_pressed_cb)
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self._key_grabber.connect('key-released',
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self.__global_key_released_cb)
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self._key_grabber.grab('F1')
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self._key_grabber.grab('F2')
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self._key_grabber.grab('F3')
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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._key_grabber.grab('F7')
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self._key_grabber.grab('F8')
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self._key_grabber.grab('0xDC') # Camera key
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self._key_grabber.grab('0xE0') # Overlay key
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self._key_grabber.grab('0x93') # Frame key
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# For non-OLPC machines
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self._key_grabber.grab('<shft><alt>F9')
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self._key_grabber.grab('<shft><alt>F10')
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self._key_grabber.grab('<shft><alt>F11')
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self._home_window = HomeWindow(self)
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self._home_window.show()
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self.set_zoom_level(sugar.ZOOM_HOME)
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self._screen.connect('window-opened', self.__window_opened_cb)
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self._screen.connect('window-closed', self.__window_closed_cb)
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self._screen.connect('active-window-changed',
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self.__active_window_changed_cb)
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self._frame = Frame(self)
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self._frame.show_and_hide(3)
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def _open_terminal_cb(self):
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self.start_activity('org.sugar.Terminal')
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return False
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def __global_key_pressed_cb(self, grabber, key):
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if key == 'F1':
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self.set_zoom_level(sugar.ZOOM_MESH)
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elif key == 'F2':
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self.set_zoom_level(sugar.ZOOM_FRIENDS)
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elif key == 'F3':
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self.set_zoom_level(sugar.ZOOM_HOME)
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elif key == 'F4':
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self.set_zoom_level(sugar.ZOOM_ACTIVITY)
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elif key == 'F5':
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self._dcon_manager.decrease_brightness()
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elif key == 'F6':
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self._dcon_manager.increase_brightness()
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elif key == 'F7':
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self._dcon_manager.set_mode(DCONManager.COLOR_MODE)
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elif key == 'F8':
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self._dcon_manager.set_mode(DCONManager.BLACK_AND_WHITE_MODE)
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elif key == '<shft><alt>F9':
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self._frame.notify_key_press()
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elif key == '<shft><alt>F10':
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self.toggle_chat_visibility()
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elif key == '<shft><alt>F11':
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gobject.idle_add(self._open_terminal_cb)
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elif key == '0xDC': # Camera key
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pass
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elif key == '0xE0': # Overlay key
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self.toggle_chat_visibility()
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elif key == '0x93': # Frame key
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self._frame.notify_key_press()
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def __global_key_released_cb(self, grabber, key):
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if key == '<shft><alt>F9':
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self._frame.notify_key_release()
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elif key == '0x93':
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self._frame.notify_key_release()
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def __window_opened_cb(self, screen, window):
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if window.get_window_type() == wnck.WINDOW_NORMAL:
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activity_host = ActivityHost(self.get_model(), window)
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self._hosts[activity_host.get_xid()] = activity_host
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self.emit('activity-opened', activity_host)
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def __active_window_changed_cb(self, screen):
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window = screen.get_active_window()
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if not window or window.get_window_type() != wnck.WINDOW_NORMAL:
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return
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if not self._hosts.has_key(window.get_xid()):
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return
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activity_host = self._hosts[window.get_xid()]
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current = self._model.get_current_activity()
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if activity_host.get_id() == current:
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return
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self._set_current_activity(activity_host)
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def __window_closed_cb(self, screen, window):
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if window.get_window_type() != wnck.WINDOW_NORMAL:
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return
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if not self._hosts.has_key(window.get_xid()):
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return
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host = self._hosts[window.get_xid()]
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host.destroy()
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self.emit('activity-closed', host)
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del self._hosts[window.get_xid()]
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if len(self._hosts) == 0:
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self._set_current_activity(None)
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def _set_current_activity(self, host):
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if host:
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self._model.set_current_activity(host.get_id())
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else:
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self._model.set_current_activity(None)
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if self._current_host:
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self._current_host.set_active(False)
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self._current_host = host
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if self._current_host:
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self._current_host.set_active(True)
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self.emit('activity-changed', host)
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def get_model(self):
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return self._model
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def join_activity(self, bundle_id, activity_id):
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pservice = PresenceService.get_instance()
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activity = self._get_activity(activity_id)
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if activity:
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activity.present()
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else:
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activity_ps = pservice.get_activity(activity_id)
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if activity_ps:
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activity = ActivityFactory.create(bundle_id)
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activity.join(activity_ps.object_path())
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else:
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logging.error('Cannot start activity.')
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def start_activity(self, activity_type):
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activity = ActivityFactory.create(activity_type)
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activity.execute('test', [])
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return activity
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def set_zoom_level(self, level):
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if level == sugar.ZOOM_ACTIVITY:
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self._screen.toggle_showing_desktop(False)
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else:
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self._screen.toggle_showing_desktop(True)
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self._home_window.set_zoom_level(level)
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def get_current_activity(self):
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activity_id = self._model.get_current_activity()
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if activity_id:
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return self._get_activity(activity_id)
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else:
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return None
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def _get_activity(self, activity_id):
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for host in self._hosts.values():
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if host.get_id() == activity_id:
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return host
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return None
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def toggle_chat_visibility(self):
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act = self.get_current_activity()
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if not act:
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return
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is_visible = self._frame.is_visible()
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if act.is_chat_visible():
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frame_was_visible = act.chat_hide()
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if not frame_was_visible:
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self._frame.do_slide_out()
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else:
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if not is_visible:
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self._frame.do_slide_in()
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act.chat_show(is_visible)
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