"""
Slixmpp: The Slick XMPP Library
Copyright (C) 2011 Nathanael C. Fritz, Lance J.T. Stout
This file is part of Slixmpp.
See the file LICENSE for copying permissio
"""
import slixmpp
from slixmpp.xmlstream import ElementBase, ET
class ChatState(ElementBase):
"""
Example chat state stanzas:
::
"""
name = ''
namespace = 'http://jabber.org/protocol/chatstates'
plugin_attrib = 'chat_state'
interfaces = {'chat_state'}
sub_interfaces = interfaces
is_extension = True
states = {'active', 'composing', 'gone', 'inactive', 'paused'}
def setup(self, xml=None):
self.xml = ET.Element('')
return True
def get_chat_state(self):
parent = self.parent()
for state in self.states:
state_xml = parent.xml.find('{%s}%s' % (self.namespace, state))
if state_xml is not None:
self.xml = state_xml
return state
return ''
def set_chat_state(self, state):
self.del_chat_state()
parent = self.parent()
if state in self.states:
self.xml = ET.Element('{%s}%s' % (self.namespace, state))
parent.append(self.xml)
elif state not in [None, '']:
raise ValueError('Invalid chat state')
def del_chat_state(self):
parent = self.parent()
for state in self.states:
state_xml = parent.xml.find('{%s}%s' % (self.namespace, state))
if state_xml is not None:
self.xml = ET.Element('')
parent.xml.remove(state_xml)
class Active(ChatState):
name = 'active'
class Composing(ChatState):
name = 'composing'
class Gone(ChatState):
name = 'gone'
class Inactive(ChatState):
name = 'inactive'
class Paused(ChatState):
name = 'paused'