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annotate src/plugins/plugin_xep_0085.py @ 922:c897c8d321b3

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core: sendMessageTrigger now manage pre and post treatments, which happen before or after XML generation
author Goffi <goffi@goffi.org>
date Sat, 22 Mar 2014 15:34:05 +0100
parents 1a759096ccbd
children 301b342c697a
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for Chat State Notifications Protocol (xep-0085)
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5 # Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 Adrien Cossa (souliane@mailoo.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _
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21 from sat.core.constants import Const as C
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22 from sat.core import exceptions
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23 from logging import info
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24 from wokkel import disco, iwokkel
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25 from zope.interface import implements
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26 from twisted.words.protocols.jabber.jid import JID
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27 try:
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28 from twisted.words.protocols.xmlstream import XMPPHandler
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29 except ImportError:
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30 from wokkel.subprotocols import XMPPHandler
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31 from threading import Timer
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32 from twisted.words.xish import domish
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33
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34 NS_XMPP_CLIENT = "jabber:client"
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35 NS_CHAT_STATES = "http://jabber.org/protocol/chatstates"
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36 CHAT_STATES = ["active", "inactive", "gone", "composing", "paused"]
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37 MESSAGE_TYPES = ["chat", "groupchat"]
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38 PARAM_KEY = "Notifications"
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39 PARAM_NAME = "Enable chat state notifications"
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40 ENTITY_KEY = PARAM_KEY + "_" + PARAM_NAME
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41
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42 PLUGIN_INFO = {
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43 "name": "Chat State Notifications Protocol Plugin",
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44 "import_name": "XEP-0085",
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45 "type": "XEP",
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46 "protocols": ["XEP-0085"],
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47 "dependencies": [],
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48 "main": "XEP_0085",
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49 "handler": "yes",
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50 "description": _("""Implementation of Chat State Notifications Protocol""")
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51 }
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52
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53
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54 # Describe the internal transitions that are triggered
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55 # by a timer. Beside that, external transitions can be
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56 # runned to target the states "active" or "composing".
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57 # Delay is specified here in seconds.
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58 TRANSITIONS = {
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59 "active": {"next_state": "inactive", "delay": 120},
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60 "inactive": {"next_state": "gone", "delay": 480},
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61 "gone": {"next_state": "", "delay": 0},
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62 "composing": {"next_state": "paused", "delay": 30},
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63 "paused": {"next_state": "inactive", "delay": 450}
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64 }
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65
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66
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67 class UnknownChatStateException(Exception):
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68 """
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69 This error is raised when an unknown chat state is used.
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70 """
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71 pass
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72
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73
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74 class XEP_0085(object):
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75 """
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76 Implementation for XEP 0085
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77 """
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78 params = """
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79 <params>
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80 <individual>
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81 <category name="%(category_name)s" label="%(category_label)s">
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82 <param name="%(param_name)s" label="%(param_label)s" value="true" type="bool" security="0"/>
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83 </category>
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84 </individual>
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85 </params>
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86 """ % {
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87 'category_name': PARAM_KEY,
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88 'category_label': _(PARAM_KEY),
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89 'param_name': PARAM_NAME,
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90 'param_label': _('Enable chat state notifications')
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91 }
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92
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93 def __init__(self, host):
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94 info(_("Chat State Notifications plugin initialization"))
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95 self.host = host
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96
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97 # parameter value is retrieved before each use
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98 host.memory.updateParams(self.params)
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99
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100 # triggers from core
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101 host.trigger.add("MessageReceived", self.messageReceivedTrigger)
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102 host.trigger.add("sendMessage", self.sendMessageTrigger)
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103 host.trigger.add("paramUpdateTrigger", self.paramUpdateTrigger)
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104 # TODO: handle profile disconnection (free memory in entity data)
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105
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106 # args: to_s (jid as string), profile
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107 host.bridge.addMethod("chatStateComposing", ".plugin", in_sign='ss',
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108 out_sign='', method=self.chatStateComposing)
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109
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110 # args: from (jid as string), state in CHAT_STATES, profile
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111 host.bridge.addSignal("chatStateReceived", ".plugin", signature='sss')
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112
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113 def getHandler(self, profile):
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114 return XEP_0085_handler(self, profile)
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115
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116 def updateEntityData(self, entity_jid, value, profile):
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117 """
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118 Update the entity data of the given profile for one or all contacts.
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119 Reset the chat state(s) display if the notification has been disabled.
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120 @param entity_jid: contact's JID, or '@ALL@' to update all contacts.
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121 @param value: True, False or C.PROF_KEY_NONE to delete the entity data
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122 @param profile: current profile
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123 """
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124 self.host.memory.updateEntityData(entity_jid, ENTITY_KEY, value, profile)
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125 if not value or value == C.PROF_KEY_NONE:
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126 # disable chat state for this or these contact(s)
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127 self.host.bridge.chatStateReceived(unicode(entity_jid), "", profile)
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128
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129 def paramUpdateTrigger(self, name, value, category, type, profile):
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130 """
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131 Reset all the existing chat state entity data associated with this profile after a parameter modification.
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132 @param name: parameter name
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133 @param value: "true" to activate the notifications, or any other value to delete it
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134 @param category: parameter category
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souliane <souliane@mailoo.org>
parents:
diff changeset
135 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
136 if (category, name) == (PARAM_KEY, PARAM_NAME):
916
1a759096ccbd core: use of Const for profile_key + replaced '@DEFAULT@' default profile_key by '@NONE@'
Goffi <goffi@goffi.org>
parents: 908
diff changeset
137 self.updateEntityData("@ALL@", True if value == "true" else C.PROF_KEY_NONE, profile)
868
967b94ef821e plugin XEP-0085: fixed bad trigger return value
Goffi <goffi@goffi.org>
parents: 811
diff changeset
138 return False
967b94ef821e plugin XEP-0085: fixed bad trigger return value
Goffi <goffi@goffi.org>
parents: 811
diff changeset
139 return True
967b94ef821e plugin XEP-0085: fixed bad trigger return value
Goffi <goffi@goffi.org>
parents: 811
diff changeset
140
663
8004c7d4aba7 core: Deferred in onMessage.
Goffi <goffi@goffi.org>
parents: 662
diff changeset
141 def messageReceivedTrigger(self, message, post_treat, profile):
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
142 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
143 Update the entity cache when we receive a message with body.
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
144 Check for a chat state in the message and signal frontends.
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
145 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
146 if not self.host.memory.getParamA(PARAM_NAME, PARAM_KEY, profile_key=profile):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
147 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
148
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
149 from_jid = JID(message.getAttribute("from"))
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
150 try:
660
69a8bfd266a5 core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
parents: 659
diff changeset
151 domish.generateElementsNamed(message.elements(), name="body").next()
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
152 try:
660
69a8bfd266a5 core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
parents: 659
diff changeset
153 domish.generateElementsNamed(message.elements(), name="active").next()
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
154 # contact enabled Chat State Notifications
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
155 self.updateEntityData(from_jid, True, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
156 except StopIteration:
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
157 if message.getAttribute('type') == 'chat':
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
158 # contact didn't enable Chat State Notifications
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
159 self.updateEntityData(from_jid, False, profile)
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
160 return True
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
161 except StopIteration:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
162 pass
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
163
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
164 # send our next "composing" states to any MUC and to the contacts who enabled the feature
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
165 self.__chatStateInit(from_jid, message.getAttribute("type"), profile)
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
166
660
69a8bfd266a5 core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
parents: 659
diff changeset
167 state_list = [child.name for child in message.elements() if
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
168 message.getAttribute("type") in MESSAGE_TYPES
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
169 and child.name in CHAT_STATES
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
170 and child.defaultUri == NS_CHAT_STATES]
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
171 for state in state_list:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
172 # there must be only one state according to the XEP
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
173 if state != 'gone' or message.getAttribute('type') != 'groupchat':
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
174 self.host.bridge.chatStateReceived(message.getAttribute("from"), state, profile)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
175 break
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
176 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
177
922
c897c8d321b3 core: sendMessageTrigger now manage pre and post treatments, which happen before or after XML generation
Goffi <goffi@goffi.org>
parents: 916
diff changeset
178 def sendMessageTrigger(self, mess_data, pre_xml_treatments, post_xml_treatments, profile):
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
179 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
180 Eventually add the chat state to the message and initiate
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
181 the state machine when sending an "active" state.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
182 """
697
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
183 def treatment(mess_data):
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
184 message = mess_data['xml']
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
185 to_jid = JID(message.getAttribute("to"))
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
186 if not self.__checkActivation(to_jid, forceEntityData=True, profile=profile):
724
6edd9bda4e3f plugin XEP-0085: fixed bad return value for sendMessage trigger's post treatment
Goffi <goffi@goffi.org>
parents: 698
diff changeset
187 return mess_data
697
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
188 try:
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
189 # message with a body always mean active state
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
190 domish.generateElementsNamed(message.elements(), name="body").next()
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
191 message.addElement('active', NS_CHAT_STATES)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
192 # launch the chat state machine (init the timer)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
193 self.__chatStateActive(to_jid, mess_data["type"], profile)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
194 except StopIteration:
698
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
195 if "chat_state" in mess_data["extra"]:
d731ae066158 core: sendMessage's options parameter has been renamed to extra to be consistent with newMessage
Goffi <goffi@goffi.org>
parents: 697
diff changeset
196 state = mess_data["extra"].pop("chat_state")
697
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
197 assert(state in CHAT_STATES)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
198 message.addElement(state, NS_CHAT_STATES)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
199 return mess_data
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
200
922
c897c8d321b3 core: sendMessageTrigger now manage pre and post treatments, which happen before or after XML generation
Goffi <goffi@goffi.org>
parents: 916
diff changeset
201 post_xml_treatments.addCallback(treatment)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
202 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
203
659
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
204 def __checkActivation(self, to_jid, forceEntityData, profile):
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
205 """
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
206 @param to_joid: the contact's JID
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
207 @param forceEntityData: if set to True, a non-existing
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
208 entity data will be considered to be True (and initialized)
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
209 @param: current profile
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
210 @return: True if the notifications should be sent to this JID.
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
211 """
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
212 # check if the parameter is active
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
213 if not self.host.memory.getParamA(PARAM_NAME, PARAM_KEY, profile_key=profile):
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
214 return False
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
215 # check if notifications should be sent to this contact
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
216 try:
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
217 type_ = self.host.memory.getEntityData(to_jid, ['type'], profile)['type']
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
218 if type_ == 'groupchat': # always send to groupchat
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
219 return True
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
220 except (exceptions.UnknownEntityError, KeyError):
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
221 pass # private chat
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
222 try:
659
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
223 return self.host.memory.getEntityData(to_jid, [ENTITY_KEY], profile)[ENTITY_KEY]
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
224 except (exceptions.UnknownEntityError, KeyError):
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
225 if forceEntityData:
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
226 # enable it for the first time
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
227 self.updateEntityData(to_jid, True, profile)
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
228 return True
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
229 # wait for the first message before sending states
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
230 return False
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
231
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
232 def __chatStateInit(self, to_jid, mess_type, profile):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
233 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
234 Data initialization for the chat state machine.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
235 """
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
236 # TODO: use also the resource in map key (not for groupchat)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
237 to_jid = to_jid.userhostJID()
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
238 if mess_type is None:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
239 return
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
240 if not hasattr(self, "map"):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
241 self.map = {}
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
242 profile_map = self.map.setdefault(profile, {})
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
243 if not to_jid in profile_map:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
244 machine = ChatStateMachine(self.host, to_jid,
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
245 mess_type, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
246 self.map[profile][to_jid] = machine
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
247
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
248 def __chatStateActive(self, to_jid, mess_type, profile_key):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
249 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
250 Launch the chat state machine on "active" state.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
251 """
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
252 # TODO: use also the JID resource in the map key (not for groupchat)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
253 to_jid = to_jid.userhostJID()
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
254 profile = self.host.memory.getProfileName(profile_key)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
255 if profile is None:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
256 raise exceptions.ProfileUnknownError
659
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
257 return
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
258 self.__chatStateInit(to_jid, mess_type, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
259 self.map[profile][to_jid]._onEvent("active")
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
260
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
261 def chatStateComposing(self, to_jid_s, profile_key):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
262 """
654
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
souliane <souliane@mailoo.org>
parents: 643
diff changeset
263 Move to the "composing" state. Since this method is called
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
souliane <souliane@mailoo.org>
parents: 643
diff changeset
264 from the front-end, it needs to check the values of the
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
souliane <souliane@mailoo.org>
parents: 643
diff changeset
265 parameter "Send chat state notifications" and the entity
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
souliane <souliane@mailoo.org>
parents: 643
diff changeset
266 data associated to the target JID.
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
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267 TODO: try to optimize this method which is called often
636
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268 """
908
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269 # TODO: use also the JID resource in the map key (not for groupchat)
636
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270 to_jid = JID(to_jid_s).userhostJID()
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271 profile = self.host.memory.getProfileName(profile_key)
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272 if profile is None:
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273 raise exceptions.ProfileUnknownError
659
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274 return
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275 if not self.__checkActivation(to_jid, forceEntityData=False, profile=profile):
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276 return
636
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277 try:
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278 self.map[profile][to_jid]._onEvent("composing")
908
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279 except (KeyError, AttributeError):
659
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280 # no message has been sent/received since the notifications
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281 # have been enabled, it's better to wait for a first one
654
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282 pass
636
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283
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284
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285 class ChatStateMachine:
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286 """
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287 This class represents a chat state, between one profile and
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288 one target contact. A timer is used to move from one state
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289 to the other. The initialization is done through the "active"
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290 state which is internally set when a message is sent. The state
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291 "composing" can be set externally (through the bridge by a
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292 frontend). Other states are automatically set with the timer.
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293 """
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294
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295 def __init__(self, host, to_jid, mess_type, profile):
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296 """
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297 Initialization need to store the target, message type
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298 and a profile for sending later messages.
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299 """
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300 self.host = host
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301 self.to_jid = to_jid
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302 self.mess_type = mess_type
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303 self.profile = profile
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304 self.state = None
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305 self.timer = None
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306
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307 def _onEvent(self, state):
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308 """
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309 Move to the specified state, eventually send the
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310 notification to the contact (the "active" state is
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souliane <souliane@mailoo.org>
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311 automatically sent with each message) and set the timer.
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souliane <souliane@mailoo.org>
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312 """
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souliane <souliane@mailoo.org>
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313 if state != self.state and state != "active":
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314 if state != 'gone' or self.mess_type != 'groupchat':
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315 # send a new message without body
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316 self.host.sendMessage(self.to_jid, '', '', self.mess_type,
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317 extra={"chat_state": state},
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318 profile_key=self.profile)
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319 self.state = state
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320 if not self.timer is None:
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321 self.timer.cancel()
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322
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souliane <souliane@mailoo.org>
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323 if not state in TRANSITIONS:
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324 return
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souliane <souliane@mailoo.org>
parents:
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325 if not "next_state" in TRANSITIONS[state]:
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326 return
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souliane <souliane@mailoo.org>
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327 if not "delay" in TRANSITIONS[state]:
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328 return
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329 next_state = TRANSITIONS[state]["next_state"]
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330 delay = TRANSITIONS[state]["delay"]
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souliane <souliane@mailoo.org>
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331 if next_state == "" or delay < 0:
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332 return
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333 self.timer = Timer(delay, self._onEvent, [next_state])
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334 self.timer.start()
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335
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336
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souliane <souliane@mailoo.org>
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337 class XEP_0085_handler(XMPPHandler):
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souliane <souliane@mailoo.org>
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338 implements(iwokkel.IDisco)
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339
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340 def __init__(self, plugin_parent, profile):
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341 self.plugin_parent = plugin_parent
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souliane <souliane@mailoo.org>
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342 self.host = plugin_parent.host
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343 self.profile = profile
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344
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souliane <souliane@mailoo.org>
parents:
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345 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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parents:
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346 return [disco.DiscoFeature(NS_CHAT_STATES)]
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347
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souliane <souliane@mailoo.org>
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348 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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349 return []