147 lines
4.4 KiB
Python
147 lines
4.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014 matrix.org
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from ._base import BaseHandler
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import logging
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from collections import namedtuple
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logger = logging.getLogger(__name__)
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# A tiny object useful for storing a user's membership in a room, as a mapping
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# key
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RoomMember = namedtuple("RoomMember", ("room_id", "user"))
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class TypingNotificationHandler(BaseHandler):
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def __init__(self, hs):
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super(TypingNotificationHandler, self).__init__(hs)
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self.homeserver = hs
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self.clock = hs.get_clock()
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self.federation = hs.get_replication_layer()
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self.federation.register_edu_handler("m.typing", self._recv_edu)
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self._member_typing_until = {}
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@defer.inlineCallbacks
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def started_typing(self, target_user, auth_user, room_id, timeout):
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if not target_user.is_mine:
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raise SynapseError(400, "User is not hosted on this Home Server")
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if target_user != auth_user:
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raise AuthError(400, "Cannot set another user's typing state")
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until = self.clock.time_msec() + timeout
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member = RoomMember(room_id=room_id, user=target_user)
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was_present = member in self._member_typing_until
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self._member_typing_until[member] = until
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if was_present:
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# No point sending another notification
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defer.returnValue(None)
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yield self._push_update(
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room_id=room_id,
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user=target_user,
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typing=True,
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)
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@defer.inlineCallbacks
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def stopped_typing(self, target_user, auth_user, room_id):
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if not target_user.is_mine:
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raise SynapseError(400, "User is not hosted on this Home Server")
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if target_user != auth_user:
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raise AuthError(400, "Cannot set another user's typing state")
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member = RoomMember(room_id=room_id, user=target_user)
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if member not in self._member_typing_until:
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# No point
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defer.returnValue(None)
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yield self._push_update(
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room_id=room_id,
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user=target_user,
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typing=False,
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)
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@defer.inlineCallbacks
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def _push_update(self, room_id, user, typing):
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localusers = set()
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remotedomains = set()
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rm_handler = self.homeserver.get_handlers().room_member_handler
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yield rm_handler.fetch_room_distributions_into(room_id,
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localusers=localusers, remotedomains=remotedomains,
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ignore_user=user)
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for u in localusers:
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self.push_update_to_clients(
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room_id=room_id,
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observer_user=u,
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observed_user=user,
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typing=typing,
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)
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deferreds = []
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for domain in remotedomains:
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deferreds.append(self.federation.send_edu(
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destination=domain,
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edu_type="m.typing",
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content={
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"room_id": room_id,
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"user_id": user.to_string(),
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"typing": typing,
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},
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))
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yield defer.DeferredList(deferreds, consumeErrors=False)
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@defer.inlineCallbacks
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def _recv_edu(self, origin, content):
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room_id = content["room_id"]
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user = self.homeserver.parse_userid(content["user_id"])
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localusers = set()
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rm_handler = self.homeserver.get_handlers().room_member_handler
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yield rm_handler.fetch_room_distributions_into(room_id,
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localusers=localusers)
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for u in localusers:
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self.push_update_to_clients(
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room_id=room_id,
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observer_user=u,
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observed_user=user,
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typing=content["typing"]
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)
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def push_update_to_clients(self, room_id, observer_user, observed_user,
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typing):
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# TODO(paul) steal this from presence.py
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pass
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