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-rw-r--r--synapse/handlers/typing.py93
-rw-r--r--tests/handlers/test_typing.py120
2 files changed, 173 insertions, 40 deletions
diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py
index d88a53242c..989f73947f 100644
--- a/synapse/handlers/typing.py
+++ b/synapse/handlers/typing.py
@@ -43,7 +43,14 @@ class TypingNotificationHandler(BaseHandler):
 
         self.federation.register_edu_handler("m.typing", self._recv_edu)
 
-        self._member_typing_until = {}
+        self._member_typing_until = {} # clock time we expect to stop
+        self._member_typing_timer = {} # deferreds to manage theabove
+
+        # map room IDs to serial numbers
+        self._room_serials = {}
+        self._latest_room_serial = 0
+        # map room IDs to sets of users currently typing
+        self._room_typing = {}
 
     @defer.inlineCallbacks
     def started_typing(self, target_user, auth_user, room_id, timeout):
@@ -58,7 +65,13 @@ class TypingNotificationHandler(BaseHandler):
 
         was_present = member in self._member_typing_until
 
+        if member in self._member_typing_timer:
+            self.clock.cancel_call_later(self._member_typing_timer[member])
+
         self._member_typing_until[member] = until
+        self._member_typing_timer[member] = self.clock.call_later(
+            timeout / 1000, lambda: self._stopped_typing(member)
+        )
 
         if was_present:
             # No point sending another notification
@@ -80,16 +93,25 @@ class TypingNotificationHandler(BaseHandler):
 
         member = RoomMember(room_id=room_id, user=target_user)
 
+        yield self._stopped_typing(member)
+
+    @defer.inlineCallbacks
+    def _stopped_typing(self, member):
         if member not in self._member_typing_until:
             # No point
             defer.returnValue(None)
 
         yield self._push_update(
-            room_id=room_id,
-            user=target_user,
+            room_id=member.room_id,
+            user=member.user,
             typing=False,
         )
 
+        del self._member_typing_until[member]
+
+        self.clock.cancel_call_later(self._member_typing_timer[member])
+        del self._member_typing_timer[member]
+
     @defer.inlineCallbacks
     def _push_update(self, room_id, user, typing):
         localusers = set()
@@ -101,12 +123,11 @@ class TypingNotificationHandler(BaseHandler):
             ignore_user=user
         )
 
-        for u in localusers:
-            self.push_update_to_clients(
+        if localusers:
+            self._push_update_local(
                 room_id=room_id,
-                observer_user=u,
-                observed_user=user,
-                typing=typing,
+                user=user,
+                typing=typing
             )
 
         deferreds = []
@@ -135,29 +156,65 @@ class TypingNotificationHandler(BaseHandler):
             room_id, localusers=localusers
         )
 
-        for u in localusers:
-            self.push_update_to_clients(
+        if localusers:
+            self._push_update_local(
                 room_id=room_id,
-                observer_user=u,
-                observed_user=user,
+                user=user,
                 typing=content["typing"]
             )
 
-    def push_update_to_clients(self, room_id, observer_user, observed_user,
-                               typing):
-        # TODO(paul) steal this from presence.py
-        pass
+    def _push_update_local(self, room_id, user, typing):
+        if room_id not in self._room_serials:
+            self._room_serials[room_id] = 0
+            self._room_typing[room_id] = set()
+
+        room_set = self._room_typing[room_id]
+        if typing:
+            room_set.add(user)
+        elif user in room_set:
+            room_set.remove(user)
+
+        self._latest_room_serial += 1
+        self._room_serials[room_id] = self._latest_room_serial
+
+        self.notifier.on_new_user_event(rooms=[room_id])
 
 
 class TypingNotificationEventSource(object):
     def __init__(self, hs):
         self.hs = hs
+        self._handler = None
+
+    def handler(self):
+        # Avoid cyclic dependency in handler setup
+        if not self._handler:
+            self._handler = self.hs.get_handlers().typing_notification_handler
+        return self._handler
+
+    def _make_event_for(self, room_id):
+        typing = self.handler()._room_typing[room_id]
+        return {
+            "type": "m.typing",
+            "room_id": room_id,
+            "typing": [u.to_string() for u in typing],
+        }
 
     def get_new_events_for_user(self, user, from_key, limit):
-        return ([], from_key)
+        from_key = int(from_key)
+        handler = self.handler()
+
+        events = []
+        for room_id in handler._room_serials:
+            if handler._room_serials[room_id] <= from_key:
+                continue
+
+            # TODO: check if user is in room
+            events.append(self._make_event_for(room_id))
+
+        return (events, handler._latest_room_serial)
 
     def get_current_key(self):
-        return 0
+        return self.handler()._latest_room_serial
 
     def get_pagination_rows(self, user, pagination_config, key):
         return ([], pagination_config.from_key)
diff --git a/tests/handlers/test_typing.py b/tests/handlers/test_typing.py
index 7e6ed9a42f..b858f96323 100644
--- a/tests/handlers/test_typing.py
+++ b/tests/handlers/test_typing.py
@@ -65,6 +65,9 @@ class TypingNotificationsTestCase(unittest.TestCase):
         self.mock_config = Mock()
         self.mock_config.signing_key = [MockKey()]
 
+        mock_notifier = Mock(spec=["on_new_user_event"])
+        self.on_new_user_event = mock_notifier.on_new_user_event
+
         hs = HomeServer("test",
                 clock=self.clock,
                 db_pool=None,
@@ -77,6 +80,7 @@ class TypingNotificationsTestCase(unittest.TestCase):
                     "get_destination_retry_timings",
                 ]),
                 handlers=None,
+                notifier=mock_notifier,
                 resource_for_client=Mock(),
                 resource_for_federation=self.mock_federation_resource,
                 http_client=self.mock_http_client,
@@ -85,11 +89,9 @@ class TypingNotificationsTestCase(unittest.TestCase):
             )
         hs.handlers = JustTypingNotificationHandlers(hs)
 
-        self.mock_update_client = Mock()
-        self.mock_update_client.return_value = defer.succeed(None)
-
         self.handler = hs.get_handlers().typing_notification_handler
-        self.handler.push_update_to_clients = self.mock_update_client
+
+        self.event_source = hs.get_event_sources().sources["typing"]
 
         self.datastore = hs.get_datastore()
         self.datastore.get_destination_retry_timings.return_value = (
@@ -151,6 +153,8 @@ class TypingNotificationsTestCase(unittest.TestCase):
     def test_started_typing_local(self):
         self.room_members = [self.u_apple, self.u_banana]
 
+        self.assertEquals(self.event_source.get_current_key(), 0)
+
         yield self.handler.started_typing(
             target_user=self.u_apple,
             auth_user=self.u_apple,
@@ -158,13 +162,20 @@ class TypingNotificationsTestCase(unittest.TestCase):
             timeout=20000,
         )
 
-        self.mock_update_client.assert_has_calls([
-            call(observer_user=self.u_banana,
-                observed_user=self.u_apple,
-                room_id=self.room_id,
-                typing=True),
+        self.on_new_user_event.assert_has_calls([
+            call(rooms=[self.room_id]),
         ])
 
+        self.assertEquals(self.event_source.get_current_key(), 1)
+        self.assertEquals(
+            self.event_source.get_new_events_for_user(self.u_apple, 0, None)[0],
+            [
+                {"type": "m.typing",
+                 "room_id": self.room_id,
+                 "typing": [self.u_apple.to_string()]},
+            ]
+        )
+
     @defer.inlineCallbacks
     def test_started_typing_remote_send(self):
         self.room_members = [self.u_apple, self.u_onion]
@@ -198,6 +209,8 @@ class TypingNotificationsTestCase(unittest.TestCase):
     def test_started_typing_remote_recv(self):
         self.room_members = [self.u_apple, self.u_onion]
 
+        self.assertEquals(self.event_source.get_current_key(), 0)
+
         yield self.mock_federation_resource.trigger("PUT",
             "/_matrix/federation/v1/send/1000000/",
             _make_edu_json("farm", "m.typing",
@@ -209,13 +222,20 @@ class TypingNotificationsTestCase(unittest.TestCase):
             )
         )
 
-        self.mock_update_client.assert_has_calls([
-            call(observer_user=self.u_apple,
-                observed_user=self.u_onion,
-                room_id=self.room_id,
-                typing=True),
+        self.on_new_user_event.assert_has_calls([
+            call(rooms=[self.room_id]),
         ])
 
+        self.assertEquals(self.event_source.get_current_key(), 1)
+        self.assertEquals(
+            self.event_source.get_new_events_for_user(self.u_apple, 0, None)[0],
+            [
+                {"type": "m.typing",
+                 "room_id": self.room_id,
+                 "typing": [self.u_onion.to_string()]},
+            ]
+        )
+
     @defer.inlineCallbacks
     def test_stopped_typing(self):
         self.room_members = [self.u_apple, self.u_banana, self.u_onion]
@@ -238,9 +258,14 @@ class TypingNotificationsTestCase(unittest.TestCase):
 
         # Gut-wrenching
         from synapse.handlers.typing import RoomMember
-        self.handler._member_typing_until[
-            RoomMember(self.room_id, self.u_apple)
-        ] = 1002000
+        member = RoomMember(self.room_id, self.u_apple)
+        self.handler._member_typing_until[member] = 1002000
+        self.handler._member_typing_timer[member] = (
+            self.clock.call_later(1002, lambda: 0)
+        )
+        self.handler._room_typing[self.room_id] = set((self.u_apple,))
+
+        self.assertEquals(self.event_source.get_current_key(), 0)
 
         yield self.handler.stopped_typing(
             target_user=self.u_apple,
@@ -248,11 +273,62 @@ class TypingNotificationsTestCase(unittest.TestCase):
             room_id=self.room_id,
         )
 
-        self.mock_update_client.assert_has_calls([
-            call(observer_user=self.u_banana,
-                observed_user=self.u_apple,
-                room_id=self.room_id,
-                typing=False),
+        self.on_new_user_event.assert_has_calls([
+            call(rooms=[self.room_id]),
         ])
 
         yield put_json.await_calls()
+
+        self.assertEquals(self.event_source.get_current_key(), 1)
+        self.assertEquals(
+            self.event_source.get_new_events_for_user(self.u_apple, 0, None)[0],
+            [
+                {"type": "m.typing",
+                 "room_id": self.room_id,
+                 "typing": []},
+            ]
+        )
+
+    @defer.inlineCallbacks
+    def test_typing_timeout(self):
+        self.room_members = [self.u_apple, self.u_banana]
+
+        self.assertEquals(self.event_source.get_current_key(), 0)
+
+        yield self.handler.started_typing(
+            target_user=self.u_apple,
+            auth_user=self.u_apple,
+            room_id=self.room_id,
+            timeout=10000,
+        )
+
+        self.on_new_user_event.assert_has_calls([
+            call(rooms=[self.room_id]),
+        ])
+        self.on_new_user_event.reset_mock()
+
+        self.assertEquals(self.event_source.get_current_key(), 1)
+        self.assertEquals(
+            self.event_source.get_new_events_for_user(self.u_apple, 0, None)[0],
+            [
+                {"type": "m.typing",
+                 "room_id": self.room_id,
+                 "typing": [self.u_apple.to_string()]},
+            ]
+        )
+
+        self.clock.advance_time(11)
+
+        self.on_new_user_event.assert_has_calls([
+            call(rooms=[self.room_id]),
+        ])
+
+        self.assertEquals(self.event_source.get_current_key(), 2)
+        self.assertEquals(
+            self.event_source.get_new_events_for_user(self.u_apple, 1, None)[0],
+            [
+                {"type": "m.typing",
+                 "room_id": self.room_id,
+                 "typing": []},
+            ]
+        )