reject a session negotiation request

src/gajim.py

@@ -1658,6 +1658,8 @@ class Interface:
 	def handle_session_negotiation(self, account, data):
 		jid, thread_id, form = data
 		# XXX check negotiation state, etc.
+
+		# XXX check if the user has chosen to autoaccept these values
 		negotiation.FeatureNegotiationWindow(account, jid, thread_id, form)
 
 	def handle_event_privacy_lists_received(self, account, data):

src/negotiation.py

@@ -2,6 +2,8 @@ import gtkgui_helpers
 import dataforms_widget
 
 from common import dataforms
+from common import gajim
+from common import xmpp
 
 class FeatureNegotiationWindow:
 	'''FeatureNegotiotionWindow class'''
@@ -9,6 +11,7 @@ class FeatureNegotiationWindow:
 		self.account = account
 		self.jid = jid
 		self.form = form
+		self.thread_id = thread_id
 
 		self.xml = gtkgui_helpers.get_glade('data_form_window.glade', 'data_form_window')
 		self.window = self.xml.get_widget('data_form_window')
@@ -21,3 +24,23 @@ class FeatureNegotiationWindow:
 
 		self.xml.signal_autoconnect(self)
 		self.window.show_all()
+
+	def on_cancel_button_clicked(self, widget):
+		# XXX determine whether to reveal presence
+
+		rejection = xmpp.Message(self.jid)
+		rejection.setThread(self.thread_id)
+		feature = rejection.NT.feature
+		feature.setNamespace(xmpp.NS_FEATURE)
+
+		x = xmpp.DataForm(typ='submit')
+		x.addChild(node=xmpp.DataField('FORM_TYPE', value='urn:xmpp:ssn'))
+		x.addChild(node=xmpp.DataField('accept', value='false', typ='boolean'))
+
+		feature.addChild(node=x)
+
+		# XXX optional <body/>
+
+		gajim.connections[self.account].send_stanza(rejection)
+
+		self.window.destroy()