1 files changed, 45 insertions, 0 deletions
diff --git a/src/jarabe/model/screen.py b/src/jarabe/model/screen.py
new file mode 100644
index 0000000..7d34d45
--- /dev/null
+++ b/src/jarabe/model/screen.py
@@ -0,0 +1,45 @@
+# Copyright (C) 2006-2008 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
+
+
+_HARDWARE_MANAGER_INTERFACE = 'org.freedesktop.ohm.Keystore'
+_HARDWARE_MANAGER_SERVICE = 'org.freedesktop.ohm'
+_HARDWARE_MANAGER_OBJECT_PATH = '/org/freedesktop/ohm/Keystore'
+
+_ohm_service = None
+
+
+def _get_ohm():
+    global _ohm_service
+    if _ohm_service is None:
+        bus = dbus.SystemBus()
+        proxy = bus.get_object(_HARDWARE_MANAGER_SERVICE,
+                                _HARDWARE_MANAGER_OBJECT_PATH,
+                                follow_name_owner_changes=True)
+        _ohm_service = dbus.Interface(proxy, _HARDWARE_MANAGER_INTERFACE)
+
+    return _ohm_service
+
+
+def set_dcon_freeze(frozen):
+    try:
+        _get_ohm().SetKey('display.dcon_freeze', frozen)
+    except dbus.DBusException:
+        logging.error('Cannot unfreeze the DCON')