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326 lines
12 KiB
Python
326 lines
12 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 logging
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import gtk
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import gobject
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import wnck
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import dbus
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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 hardwaremanager import HardwareManager
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from _sugar import KeyGrabber
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from _sugar import AudioManager
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import sugar
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class Shell(gobject.GObject):
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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._hw_manager = HardwareManager()
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self._audio_manager = AudioManager()
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self._key_grabber = KeyGrabber()
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self._key_grabber.connect('key-pressed',
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self._key_pressed_cb)
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self._key_grabber.connect('key-released',
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self._key_released_cb)
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self._grab_keys()
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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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home_model = self._model.get_home()
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home_model.connect('activity-added', self._activity_added_cb)
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home_model.connect('activity-removed', self._activity_removed_cb)
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home_model.connect('active-activity-changed',
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self._active_activity_changed_cb)
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self._frame = Frame(self)
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self._frame.show_and_hide(3)
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self._pservice = PresenceService.get_instance()
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#self.start_activity('org.laptop.JournalActivity')
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def _handle_camera_key(self):
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if self._current_host:
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if self._current_host.execute('camera', []):
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return
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self.start_activity('org.laptop.CameraActivity')
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def _grab_keys(self):
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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('F9')
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self._key_grabber.grab('F10')
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self._key_grabber.grab('F11')
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self._key_grabber.grab('F12')
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self._key_grabber.grab('<alt>F5')
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self._key_grabber.grab('<alt>F8')
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self._key_grabber.grab('<alt>=')
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self._key_grabber.grab('<alt>0')
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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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self._key_grabber.grab('0x7C') # Power key
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self._key_grabber.grab('0x86') # Keyboard brightness
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self._key_grabber.grab('<alt>Tab')
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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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def _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._hw_manager.set_display_brightness(0)
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elif key == 'F6':
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self._hw_manager.set_display_brightness(5)
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elif key == 'F7':
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self._hw_manager.set_display_brightness(9)
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elif key == 'F8':
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self._hw_manager.set_display_brightness(15)
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elif key == 'F9':
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self._audio_manager.set_volume(0)
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elif key == 'F10':
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self._audio_manager.set_volume(32)
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elif key == 'F11':
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self._audio_manager.set_volume(64)
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elif key == 'F12':
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self._audio_manager.set_volume(100)
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elif key == '<alt>F5':
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self._hw_manager.set_display_mode(HardwareManager.COLOR_MODE)
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elif key == '<alt>F8':
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self._hw_manager.set_display_mode(HardwareManager.B_AND_W_MODE)
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elif key == '<alt>=' or key == '<alt>0':
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self._show_console()
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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 == '0xDC': # Camera key
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self._handle_camera_key()
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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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elif key == '0x7C': # Power key
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self._shutdown()
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elif key == '0x86': # Keyboard brightness
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self._hw_manager.toggle_keyboard_brightness()
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elif key == '<alt>Tab':
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self.set_zoom_level(sugar.ZOOM_HOME)
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box = self._home_window.get_home_box()
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box.grab_and_rotate()
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def _show_console(self):
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bus = dbus.SessionBus()
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proxy = bus.get_object('org.laptop.sugar.Console',
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'/org/laptop/sugar/Console')
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mgr = dbus.Interface(proxy, 'org.laptop.sugar.Console')
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mgr.show()
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def _shutdown(self):
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bus = dbus.SystemBus()
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proxy = bus.get_object('org.freedesktop.Hal',
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'/org/freedesktop/Hal/devices/computer')
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mgr = dbus.Interface(proxy, 'org.freedesktop.Hal.Device.SystemPowerManagement')
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mgr.Shutdown()
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def _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 _activity_added_cb(self, home_model, home_activity):
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activity_host = ActivityHost(home_activity)
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self._hosts[activity_host.get_xid()] = activity_host
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def _activity_removed_cb(self, home_model, home_activity):
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xid = home_activity.get_xid()
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if self._hosts.has_key(xid):
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self._hosts[xid].destroy()
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del self._hosts[xid]
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def _active_activity_changed_cb(self, home_model, home_activity):
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if home_activity:
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host = self._hosts[home_activity.get_xid()]
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else:
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host = 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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def get_model(self):
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return self._model
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def _join_success_cb(self, handler, activity, activity_ps, activity_id, activity_type):
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logging.debug("Joining activity %s (%s)" % (activity_id, activity_type))
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activity.join(activity_ps.object_path())
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def _join_error_cb(self, handler, err, home_model, activity_id, activity_type):
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logging.error("Couldn't launch activity %s (%s):\n%s" % (activity_id, activity_type, err))
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home_mode.notify_activity_launch_failed(activity_id)
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def join_activity(self, bundle_id, activity_id):
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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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return
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activity_ps = self._pservice.get_activity(activity_id)
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if not activity_ps:
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logging.error("Couldn't find shared activity for %s" % activity_id)
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return
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# Get the service name for this activity, if
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# we have a bundle on the system capable of handling
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# this activity type
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breg = self._model.get_bundle_registry()
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bundle = breg.find_by_default_type(bundle_id)
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if not bundle:
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logging.error("Couldn't find activity for type %s" % bundle_id)
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return
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act_type = bundle.get_service_name()
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home_model = self._model.get_home()
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home_model.notify_activity_launch(activity_id, act_type)
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handler = ActivityFactory.create(act_type)
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handler.connect('success', self._join_success_cb, activity_ps, activity_id, act_type)
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handler.connect('error', self._join_error_cb, home_model, activity_id, act_type)
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def _find_unique_activity_id(self):
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# create a new unique activity ID
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i = 0
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act_id = None
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while i < 10:
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act_id = sugar.util.unique_id()
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i += 1
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# check through existing activities
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found = False
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for xid, act_host in self._hosts.items():
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if act_host.get_id() == act_id:
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found = True
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break
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if found:
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act_id = None
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continue
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# check through network activities
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activities = self._pservice.get_activities()
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for act in activities:
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if act_id == act.get_id():
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found = True
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break
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if found:
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act_id = None
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continue
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return act_id
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def _start_success_cb(self, handler, activity, activity_id, activity_type):
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logging.debug("Started activity %s (%s)" % (activity_id, activity_type))
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activity.start(activity_id)
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def _start_error_cb(self, handler, err, home_model, activity_id, activity_type):
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logging.error("Couldn't launch activity %s (%s):\n%s" % (activity_id, activity_type, err))
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home_mode.notify_activity_launch_failed(activity_id)
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def start_activity(self, activity_type):
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logging.debug('Shell.start_activity')
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act_id = self._find_unique_activity_id()
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if not act_id:
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logging.error("Couldn't find available activity ID.")
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return None
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home_model = self._model.get_home()
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home_model.notify_activity_launch(act_id, activity_type)
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logging.debug("Shell.start_activity will start %s (%s)" % (act_id, activity_type))
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handler = ActivityFactory.create(activity_type)
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handler.connect('success', self._start_success_cb, act_id, activity_type)
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handler.connect('error', self._start_error_cb, home_model, act_id, activity_type)
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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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return self._current_host
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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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