reuse existing chat sessions and controls

src/common/connection_handlers.py

@@ -1558,7 +1558,7 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 
 			return
 		elif mtype != 'groupchat':
-			session = self.get_session(frm, thread_id, mtype)
+			session = self.get_or_create_session(frm, thread_id, mtype)
 
 		if thread_id and not session.received_thread_id:
 			session.received_thread_id = True
@@ -1731,7 +1731,7 @@ class ConnectionHandlers(ConnectionVcard, ConnectionBytestream, ConnectionDisco,
 		self.dispatch('GC_INVITATION',(frm, jid_from, reason, password,
 			is_continued))
 
-	def get_session(self, jid, thread_id, type):
+	def get_or_create_session(self, jid, thread_id, type):
 		'''returns an existing session between this connection and 'jid', returns a new one if none exist.'''
 		session = self.find_session(jid, thread_id, type)
 

src/common/zeroconf/connection_handlers_zeroconf.py

@@ -658,7 +658,7 @@ class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestream):
 		frm = unicode(frm)
 		jid  = frm
 
-		session = self.get_session(frm, thread_id, mtype)
+		session = self.get_or_create_session(frm, thread_id, mtype)
 
 		if thread_id and not session.received_thread_id:
 			session.received_thread_id = True
@@ -794,7 +794,7 @@ class ConnectionHandlersZeroconf(ConnectionVcard, ConnectionBytestream):
 
 		raise common.xmpp.NodeProcessed
 
-	def get_session(self, jid, thread_id, type):
+	def get_or_create_session(self, jid, thread_id, type):
 		'''returns an existing session between this connection and 'jid', returns a new one if none exist.'''
 		session = self.find_session(jid, thread_id, type)
 

src/roster_window.py

@@ -56,6 +56,8 @@ from chat_control import ChatControl
 from groupchat_control import GroupchatControl
 from groupchat_control import PrivateChatControl
 
+from session import ChatControlSession
+
 from common import dbus_support
 if dbus_support.supported:
 	from music_track_listener import MusicTrackListener
@@ -3390,7 +3392,7 @@ class RosterWindow:
 				x_min = 0
 			if gajim.single_click and not event.state & gtk.gdk.SHIFT_MASK and \
 			not event.state & gtk.gdk.CONTROL_MASK:
-				# Don't handle dubble click if we press icon of a metacontact
+				# Don't handle double click if we press icon of a metacontact
 				iter = model.get_iter(path)
 				if x > x_min and x < x_min + 27 and type_ == 'contact' and \
 				model.iter_has_child(iter):
@@ -3928,7 +3930,7 @@ class RosterWindow:
 			mw = gajim.interface.msg_win_mgr.create_window(contact, account, type_)
 
 		if not session:
-			session = gajim.connections[account].get_session(fjid, None, 'pm')
+			session = gajim.connections[account].get_or_create_session(fjid, None, 'pm')
 
 		chat_control = PrivateChatControl(mw, gc_contact, contact, account, session)
 		mw.new_tab(chat_control)
@@ -3967,7 +3969,7 @@ class RosterWindow:
 			contact = self.add_to_not_in_the_roster(account, jid,
 				resource = resource)
 
-		session = gajim.connections[account].get_session(fjid, None, 'chat')
+		session = gajim.connections[account].get_or_create_session(fjid, None, 'chat')
 
 		if not gajim.interface.msg_win_mgr.has_window(fjid, account):
 			session.control = self.new_chat(session, contact, account, resource = resource)
@@ -4314,10 +4316,26 @@ class RosterWindow:
 
 		conn = gajim.connections[account]
 
+		if not session and fjid in conn.sessions:
+			sessions = filter(lambda s: isinstance(s, ChatControlSession),
+					conn.sessions[fjid].values())
+
+			# look for an existing session with a chat control
+			for s in sessions:
+				if s.control:
+					session = s
+					break
+
+			if not session and not len(sessions) == 0:
+				# there are no sessions with chat controls, just take the first one
+				session = sessions[0]
+
 		if not session:
-			session = conn.get_session(fjid, None, 'chat')
+			# couldn't find an existing ChatControlSession, just make a new one
+			session = conn.make_new_session(fjid, None, 'chat')
 
 		if not session.control:
+			# open a new chat control
 			session.control = self.new_chat(session, contact, account, resource=resource)
 
 			if len(gajim.events.get_events(account, fjid)):
@@ -4336,8 +4354,8 @@ class RosterWindow:
 		win.window.present()
 
 	def on_row_activated(self, widget, path):
-		'''When an iter is activated (dubblick or single click if gnome is set
-		this way'''
+		'''When an iter is activated (double-click or single click if gnome is
+		set this way'''
 		model = self.tree.get_model()
 		account = model[path][C_ACCOUNT].decode('utf-8')
 		type_ = model[path][C_TYPE]
@@ -4384,6 +4402,7 @@ class RosterWindow:
 				c = gajim.contacts.get_contact_with_highest_priority(account, jid)
 			if jid == gajim.get_jid_from_account(account):
 				resource = c.resource
+
 			self.on_open_chat_window(widget, c, account, resource = resource, session = session)
 
 	def on_roster_treeview_row_activated(self, widget, path, col = 0):

src/session.py

@@ -19,6 +19,12 @@ class ChatControlSession(stanza_session.EncryptedStanzaSession):
 
 		self.control = None
 
+	def acknowledge_termination(self):
+		# the other party terminated the session. we'll keep the control around, though.
+		stanza_session.EncryptedStanzaSession.acknowledge_termination(self)
+
+		self.control.session = None
+
 	# remove events associated with this session from the queue
 	def remove_events(self, types):
 		any_removed = False