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import gobject
from model.devices import device
from model.devices import wirednetwork
from model.devices import wirelessnetwork
from model.devices import battery
from hardware import hardwaremanager
from hardware import nmclient
class DevicesModel(gobject.GObject):
__gsignals__ = {
'device-appeared' : (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'device-disappeared': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self):
gobject.GObject.__init__(self)
self._devices = {}
self.add_device(battery.Device())
self._observe_network_manager()
def _observe_network_manager(self):
network_manager = hardwaremanager.get_network_manager()
for device in network_manager.get_devices():
self._check_network_device(device)
network_manager.connect('device-activated',
self._network_device_activated_cb)
network_manager.connect('device-removed',
self._network_device_removed_cb)
def _network_device_activated_cb(self, network_manager, nm_device):
self._check_network_device(nm_device)
def _network_device_removed_cb(self, nm_device):
self._remove_network_device(nm_device)
def _network_device_deactivated_cb(self, nm_device):
self._remove_network_device(nm_device)
def _check_network_device(self, nm_device):
if not nm_device.is_valid():
return
if nm_device.get_type() == nmclient.DEVICE_TYPE_802_11_WIRELESS:
self._add_network_device(nm_device)
def _get_network_device(self, nm_device):
return self._devices[nm_device.get_op()]
def _add_network_device(self, nm_device):
self.add_device(wirelessnetwork.Device(nm_device))
nm_device.connect('deactivated',
self._network_device_deactivated_cb)
def _remove_network_device(self, nm_device):
self.remove_device(self._get_network_device(nm_device))
def __iter__(self):
return iter(self._devices.values())
def add_device(self, device):
self._devices[device.get_id()] = device
self.emit('device-appeared', device)
def remove_device(self, device):
self.emit('device-disappeared', self._devices[device.get_id()])
del self._devices[device.get_id()]
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