1# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
2#
3# This file is part of nbxmpp.
4#
5# This program is free software; you can redistribute it and/or
6# modify it under the terms of the GNU General Public License
7# as published by the Free Software Foundation; either version 3
8# of the License, or (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; If not, see <http://www.gnu.org/licenses/>.
17
18from nbxmpp.namespaces import Namespace
19from nbxmpp.structs import StanzaHandler
20from nbxmpp.modules.base import BaseModule
21
22
23class Attention(BaseModule):
24    def __init__(self, client):
25        BaseModule.__init__(self, client)
26
27        self._client = client
28        self.handlers = [
29            StanzaHandler(name='message',
30                          callback=self._process_message_attention,
31                          ns=Namespace.ATTENTION,
32                          priority=15),
33        ]
34
35    def _process_message_attention(self, _client, stanza, properties):
36        attention = stanza.getTag('attention', namespace=Namespace.ATTENTION)
37        if attention is None:
38            return
39
40        if properties.is_mam_message:
41            return
42
43        if properties.is_carbon_message and properties.carbon.is_sent:
44            return
45
46        if stanza.getTag('delay', namespace=Namespace.DELAY2) is not None:
47            return
48
49        properties.attention = True
50