def __init__(self, connection, manager, props, object_path=None):
"""
Initialise the base channel object.
Parameters:
connection - the parent Connection object
props - initial channel properties
"""
self._conn = connection
self._chan_manager = manager
object_path = self._conn.get_channel_path(object_path)
_Channel.__init__(self, self._conn._name, object_path)
self._type = props[CHANNEL_INTERFACE + '.ChannelType']
self._requested = props[CHANNEL_INTERFACE + '.Requested']
self._immutable_properties = dict()
tht = props.get(CHANNEL_INTERFACE + '.TargetHandleType', HANDLE_TYPE_NONE)
if tht == HANDLE_TYPE_NONE:
self._handle = NoneHandle()
else:
self._handle = self._conn.get_handle_by_id(
props[CHANNEL_INTERFACE + '.TargetHandleType'],
props[CHANNEL_INTERFACE + '.TargetHandle'])
self._interfaces = set()
DBusProperties.__init__(self)
self._implement_property_get(CHANNEL_INTERFACE,
{'ChannelType': lambda: dbus.String(self.GetChannelType()),
'Interfaces': lambda: dbus.Array(self.GetInterfaces(), signature='s'),
'TargetHandle': lambda: dbus.UInt32(self._handle.get_id()),
'TargetHandleType': lambda: dbus.UInt32(self._handle.get_type()),
'TargetID': lambda: dbus.String(self._handle.get_name()),
'Requested': lambda: self._requested})
self._add_immutables({
'ChannelType': CHANNEL_INTERFACE,
'TargetHandle': CHANNEL_INTERFACE,
'Interfaces': CHANNEL_INTERFACE,
'TargetHandleType': CHANNEL_INTERFACE,
'TargetID': CHANNEL_INTERFACE,
'Requested': CHANNEL_INTERFACE
})
class Channel(_Channel, DBusProperties):
def __init__(self, connection, manager, props, object_path=None):
"""
Initialise the base channel object.
Parameters:
connection - the parent Connection object
props - initial channel properties
"""
self._conn = connection
self._chan_manager = manager
object_path = self._conn.get_channel_path(object_path)
_Channel.__init__(self, self._conn._name, object_path)
self._type = props[CHANNEL_INTERFACE + '.ChannelType']
self._requested = props[CHANNEL_INTERFACE + '.Requested']
self._immutable_properties = dict()
tht = props.get(CHANNEL_INTERFACE + '.TargetHandleType', HANDLE_TYPE_NONE)
if tht == HANDLE_TYPE_NONE:
self._handle = NoneHandle()
else:
self._handle = self._conn.get_handle_by_id(
props[CHANNEL_INTERFACE + '.TargetHandleType'],
props[CHANNEL_INTERFACE + '.TargetHandle'])
self._interfaces = set()
DBusProperties.__init__(self)
self._implement_property_get(CHANNEL_INTERFACE,
{'ChannelType': lambda: dbus.String(self.GetChannelType()),
'Interfaces': lambda: dbus.Array(self.GetInterfaces(), signature='s'),
'TargetHandle': lambda: dbus.UInt32(self._handle.get_id()),
'TargetHandleType': lambda: dbus.UInt32(self._handle.get_type()),
'TargetID': lambda: dbus.String(self._handle.get_name()),
'Requested': lambda: self._requested})
self._add_immutables({
'ChannelType': CHANNEL_INTERFACE,
'TargetHandle': CHANNEL_INTERFACE,
'Interfaces': CHANNEL_INTERFACE,
'TargetHandleType': CHANNEL_INTERFACE,
'TargetID': CHANNEL_INTERFACE,
'Requested': CHANNEL_INTERFACE
})
def _add_immutables(self, props):
self._immutable_properties.update(props)
def get_props(self):
"""Despite its name, this function actually only returns immutable channel
properties."""
props = dict()
for prop, iface in self._immutable_properties.items():
props[iface + '.' + prop] = \
self._prop_getters[iface][prop]()
return props
@dbus.service.method(CHANNEL_INTERFACE, in_signature='', out_signature='')
def Close(self):
self.Closed()
self._chan_manager.remove_channel(self)
self._conn.remove_channel(self)
@dbus.service.method(CHANNEL_INTERFACE, in_signature='', out_signature='s')
def GetChannelType(self):
""" Returns the interface name for the type of this channel. """
return self._type
@dbus.service.method(CHANNEL_INTERFACE, in_signature='', out_signature='uu')
def GetHandle(self):
""" Returns the handle type and number if this channel represents a
communication with a particular contact, room or server-stored list, or
zero if it is transient and defined only by its contents. """
return (self._handle.get_type(), self._handle.get_id())
@dbus.service.method(CHANNEL_INTERFACE, in_signature='', out_signature='as')
def GetInterfaces(self):
"""
Get the optional interfaces implemented by the channel.
Returns:
an array of the D-Bus interface names
"""
return self._interfaces
