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# Slixmpp: The Slick XMPP Library
# Copyright (C) 2012 Nathanael C. Fritz, Lance J.T. Stout
# This file is part of Slixmpp.
# See the file LICENSE for copying permission.
import logging
from slixmpp import ClientXMPP
from slixmpp.stanza import StreamFeatures
from slixmpp.xmlstream import register_stanza_plugin
from slixmpp.plugins.base import BasePlugin
from slixmpp.plugins.xep_0352 import stanza, Active, Inactive, ClientStateIndication
log = logging.getLogger(__name__)
class XEP_0352(BasePlugin):
"""
XEP-0352: Client State Indication
"""
name = 'xep_0352'
description = 'XEP-0352: Client State Indication'
dependencies = set()
stanza = stanza
default_config = {
"order": 12000,
}
def plugin_init(self):
"""Start the XEP-0352 plugin."""
self.enabled = False
register_stanza_plugin(StreamFeatures, ClientStateIndication)
self.xmpp.register_stanza(stanza.Active)
self.xmpp.register_stanza(stanza.Inactive)
if isinstance(self.xmpp, ClientXMPP):
self.xmpp.register_feature('csi',
self._handle_csi_feature,
restart=False,
order=self.order)
def plugin_end(self):
if self.xmpp.is_component:
return
if isinstance(self.xmpp, ClientXMPP):
self.xmpp.unregister_feature('csi', self.order)
self.xmpp.remove_stanza(stanza.Active)
self.xmpp.remove_stanza(stanza.Inactive)
def send_active(self):
"""Send an 'active' state"""
if self.enabled:
self.xmpp.send_raw(str(stanza.Active(self.xmpp)))
def send_inactive(self):
"""Send an 'active' state"""
if self.enabled:
self.xmpp.send_raw(str(stanza.Inactive(self.xmpp)))
def _handle_csi_feature(self, features):
"""
Enable CSI
"""
if 'csi' in self.xmpp.features:
log.debug('CSI already enabled')
return False
self.enabled = True
self.xmpp.event('csi_enabled', features)
return False
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