112 lines
3.4 KiB
Python
112 lines
3.4 KiB
Python
# Copyright (C) 2006-2007 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 dbus
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import gst
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import gst.interfaces
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from hardware.nmclient import NMClient
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_HARDWARE_MANAGER_INTERFACE = 'org.laptop.HardwareManager'
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_HARDWARE_MANAGER_SERVICE = 'org.laptop.HardwareManager'
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_HARDWARE_MANAGER_OBJECT_PATH = '/org/laptop/HardwareManager'
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COLOR_MODE = 0
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B_AND_W_MODE = 1
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class HardwareManager(object):
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def __init__(self):
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try:
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bus = dbus.SystemBus()
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proxy = bus.get_object(_HARDWARE_MANAGER_SERVICE,
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_HARDWARE_MANAGER_OBJECT_PATH)
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self._service = dbus.Interface(proxy, _HARDWARE_MANAGER_INTERFACE)
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except dbus.DBusException, e:
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self._service = None
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logging.info('Hardware manager service not found.')
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self._mixer = gst.element_factory_make('alsamixer')
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self._mixer.set_state(gst.STATE_PAUSED)
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for track in self._mixer.list_tracks():
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if track.flags & gst.interfaces.MIXER_TRACK_MASTER:
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self._master = track
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def set_volume(self, volume):
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if not self._mixer or not self._master:
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logging.error('Cannot set the volume')
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if volume < 0 or volume > 100:
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logging.error('Trying to set an invalid volume value.')
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return
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max_volume = self._master.max_volume
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min_volume = self._master.min_volume
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volume = (volume / 100.0) * (max_volume - min_volume) + min_volume
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volume_list = [ volume ] * self._master.num_channels
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self._mixer.set_volume(self._master, tuple(volume_list))
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def set_mute(self, mute):
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if not self._mixer or not self._master:
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logging.error('Cannot mute the audio channel')
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self._mixer.set_mute(self._master, mute)
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def set_dcon_freeze(self, frozen):
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if not self._service:
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return
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self._service.set_dcon_freeze(frozen)
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def set_display_mode(self, mode):
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if not self._service:
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return
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self._service.set_display_mode(mode)
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def set_display_brightness(self, level):
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if not self._service:
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return
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self._service.set_display_brightness(level)
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def toggle_keyboard_brightness(self):
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if not self._service:
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return
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if self._service.get_keyboard_brightness():
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self._service.set_keyboard_brightness(False)
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else:
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self._service.set_keyboard_brightness(True)
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def get_manager():
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return _manager
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def get_network_manager():
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return _network_manager
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_manager = HardwareManager()
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try:
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_network_manager = NMClient()
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except dbus.DBusException, e:
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_network_manager = None
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logging.info('Network manager service not found.')
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