+++ /dev/null
-# ossohelper.py - Helper to osso functions
-#
-# Copyright (c) 2008 INdT - Instituto Nokia de Tecnologia
-#
-# This file is part of carman-python.
-# Modified for inclusion in Panucci (June 2009).
-#
-# carman-python 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 3 of the License, or
-# (at your option) any later version.
-#
-# carman-python 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, see <http://www.gnu.org/licenses/>.
-
-import os
-import logging
-
-__log = logging.getLogger(__name__)
-
-try:
- import osso
- __osso_imported__ = True
-except ImportError:
- __log.warning('osso module not found - are you running on a desktop?')
- __osso_imported__ = False
-
-DEVICE_STATE_NORMAL = "normal"
-OSSO_DEVSTATE_MODE_FILE = "/tmp/.libosso_device_mode_cache"
-
-__osso_context__ = None
-__osso_application__ = None
-__osso_device_state__ = None
-
-def application_init(app_name, app_version):
- """
- Osso application init.
- """
-
- global __osso_context__, __osso_device_state__, __osso_application__
-
- if __osso_imported__:
- if has_osso():
- __log.warning('osso application was already called. Ignoring...')
- return
- try:
- __osso_context__ = osso.Context(app_name, app_version, False)
- except Exception, err:
- __log.warning('osso module found but could not be initialized: %s',
- err)
- __osso_context__ = None
- return
-
- try:
- __osso_application__ = osso.Application(__osso_context__)
- except Exception, err:
- __log.warning('error creating osso application: %s' % err)
- __osso_application__ = None
-
- __log.debug( 'osso application init sent - %s v%s', app_name,
- app_version)
- __osso_device_state__ = osso.DeviceState(__osso_context__)
-# application_init
-
-def application_exit():
- """
- Osso application exit.
- """
- #if __osso_application__ is not None and __osso_context__ is not None:
- # try:
- # #__osso_application__.close()
- # __osso_context__.close()
- # except Exception, err:
- # __log.warning('application end could not be sent: %s' % err)
- # __log.debug('osso application end sent')
-# application_exit
-
-def application_top(app_name):
- """
- Osso application top.
- """
- if __osso_imported__ and __osso_application__:
- try:
- __osso_application__.application_top(app_name)
- except Exception, err:
- __log.warning( "Error calling application top for %s: %s",
- app_name, err)
- __log.info('osso application top for %s sent', app_name)
-
-# application_top
-
-def has_osso():
- """
- Return if the osso module was initialized and all objects were created
- without any problem
- """
- return __osso_imported__ and not None in ( __osso_context__,
- __osso_device_state__,
- __osso_application__ )
-# has_osso
-
-def display_on():
- """
- Turn on the display
- """
- if __osso_device_state__ is not None:
- __osso_device_state__.display_state_on()
- __osso_device_state__.display_blanking_pause()
- __log.info('osso display on')
-# display_on
-
-def display_blanking_pause():
- """
- Keep the backlight on. Should be called every 45 seconds.
- """
- if __osso_device_state__ is not None:
- __osso_device_state__.display_blanking_pause()
- __log.debug('osso blanking screen')
-#display_blanking_pause
-
-def get_device_state():
- if __osso_device_state__ is not None:
- cache_file_name = OSSO_DEVSTATE_MODE_FILE + "-" + str(os.getuid())
- try:
- state = os.readlink(cache_file_name)
- except:
- state = None
- if not state:
- __log.debug( "Failure to read device state from %s",
- cache_file_name)
- state = DEVICE_STATE_NORMAL
- return state
- else:
- return DEVICE_STATE_NORMAL
projects / jamaendo / blobdiff