You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
4.4 KiB
Python
144 lines
4.4 KiB
Python
# Copyright (C) 2006-2007 Red Hat, Inc.
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
import logging
|
|
|
|
import dbus
|
|
import gst
|
|
import gst.interfaces
|
|
|
|
from hardware.nmclient import NMClient
|
|
from sugar.profile import get_profile
|
|
from sugar import env
|
|
|
|
_HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
|
|
_HARDWARE_MANAGER_SERVICE = 'org.laptop.HardwareManager'
|
|
_HARDWARE_MANAGER_OBJECT_PATH = '/org/laptop/HardwareManager'
|
|
|
|
COLOR_MODE = 0
|
|
B_AND_W_MODE = 1
|
|
|
|
class HardwareManager(object):
|
|
def __init__(self):
|
|
try:
|
|
bus = dbus.SystemBus()
|
|
proxy = bus.get_object(_HARDWARE_MANAGER_SERVICE,
|
|
_HARDWARE_MANAGER_OBJECT_PATH)
|
|
self._service = dbus.Interface(proxy, _HARDWARE_MANAGER_INTERFACE)
|
|
except dbus.DBusException, e:
|
|
self._service = None
|
|
logging.info('Hardware manager service not found.')
|
|
|
|
self._mixer = gst.element_factory_make('alsamixer')
|
|
self._mixer.set_state(gst.STATE_PAUSED)
|
|
|
|
self._master = None
|
|
for track in self._mixer.list_tracks():
|
|
if track.flags & gst.interfaces.MIXER_TRACK_MASTER:
|
|
self._master = track
|
|
|
|
def get_volume(self):
|
|
if not self._mixer or not self._master:
|
|
logging.error('Cannot get the volume')
|
|
return self._convert_volume(0)
|
|
|
|
max_volume = self._master.max_volume
|
|
min_volume = self._master.min_volume
|
|
volume = self._mixer.get_volume(self._master)[0]
|
|
|
|
return volume * 100.0 / (max_volume - min_volume) + min_volume
|
|
|
|
def set_volume(self, volume):
|
|
if not self._mixer or not self._master:
|
|
logging.error('Cannot set the volume')
|
|
|
|
if volume < 0 or volume > 100:
|
|
logging.error('Trying to set an invalid volume value.')
|
|
return
|
|
|
|
max_volume = self._master.max_volume
|
|
min_volume = self._master.min_volume
|
|
|
|
volume = volume * (max_volume - min_volume) / 100.0 + min_volume
|
|
volume_list = [ volume ] * self._master.num_channels
|
|
|
|
self._mixer.set_volume(self._master, tuple(volume_list))
|
|
|
|
def set_mute(self, mute):
|
|
if not self._mixer or not self._master:
|
|
logging.error('Cannot mute the audio channel')
|
|
self._mixer.set_mute(self._master, mute)
|
|
|
|
def startup(self):
|
|
if env.is_emulator() is False:
|
|
profile = get_profile()
|
|
self.set_volume(profile.sound_volume)
|
|
|
|
def shutdown(self):
|
|
if env.is_emulator() is False:
|
|
profile = get_profile()
|
|
profile.sound_volume = self.get_volume()
|
|
profile.save()
|
|
|
|
def set_dcon_freeze(self, frozen):
|
|
if not self._service:
|
|
return
|
|
|
|
self._service.set_dcon_freeze(frozen)
|
|
|
|
def set_display_mode(self, mode):
|
|
if not self._service:
|
|
return
|
|
|
|
self._service.set_display_mode(mode)
|
|
|
|
def set_display_brightness(self, level):
|
|
if not self._service:
|
|
logging.error('Cannot set display brightness')
|
|
return
|
|
|
|
self._service.set_display_brightness(level)
|
|
|
|
def get_display_brightness(self):
|
|
if not self._service:
|
|
logging.error('Cannot get display brightness')
|
|
return
|
|
|
|
return self._service.get_display_brightness()
|
|
|
|
def toggle_keyboard_brightness(self):
|
|
if not self._service:
|
|
return
|
|
|
|
if self._service.get_keyboard_brightness():
|
|
self._service.set_keyboard_brightness(False)
|
|
else:
|
|
self._service.set_keyboard_brightness(True)
|
|
|
|
def get_manager():
|
|
return _manager
|
|
|
|
def get_network_manager():
|
|
return _network_manager
|
|
|
|
_manager = HardwareManager()
|
|
|
|
try:
|
|
_network_manager = NMClient()
|
|
except dbus.DBusException, e:
|
|
_network_manager = None
|
|
logging.info('Network manager service not found.')
|