Mercurial > libervia-backend

annotate src/plugins/plugin_xep_0085.py @ 1008:d70d4fe5c5f8

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core (log): added magic %(profile)s key to log_fmt: if %(profile)s is used in log_fmt, SàT try to find profile value using introspection. This is for debugging purpose only, *DO NOT* use in production. This key don't work (yet ?) with standard backend, and will not work in every frontend.
author Goffi <goffi@goffi.org>
date Mon, 05 May 2014 18:58:34 +0200
parents 301b342c697a
children 5ff9f9af9d1f
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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 sat.core.log import getLogger
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24 log = getLogger(__name__)
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25 from wokkel import disco, iwokkel
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26 from zope.interface import implements
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27 from twisted.words.protocols.jabber.jid import JID
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28 try:
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29 from twisted.words.protocols.xmlstream import XMPPHandler
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30 except ImportError:
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31 from wokkel.subprotocols import XMPPHandler
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32 from threading import Timer
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33 from twisted.words.xish import domish
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34
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35 NS_XMPP_CLIENT = "jabber:client"
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36 NS_CHAT_STATES = "http://jabber.org/protocol/chatstates"
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37 CHAT_STATES = ["active", "inactive", "gone", "composing", "paused"]
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38 MESSAGE_TYPES = ["chat", "groupchat"]
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39 PARAM_KEY = "Notifications"
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40 PARAM_NAME = "Enable chat state notifications"
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41 ENTITY_KEY = PARAM_KEY + "_" + PARAM_NAME
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42
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43 PLUGIN_INFO = {
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44 "name": "Chat State Notifications Protocol Plugin",
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45 "import_name": "XEP-0085",
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46 "type": "XEP",
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47 "protocols": ["XEP-0085"],
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48 "dependencies": [],
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49 "main": "XEP_0085",
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50 "handler": "yes",
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51 "description": _("""Implementation of Chat State Notifications Protocol""")
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52 }
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53
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54
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55 # Describe the internal transitions that are triggered
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56 # by a timer. Beside that, external transitions can be
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57 # runned to target the states "active" or "composing".
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58 # Delay is specified here in seconds.
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59 TRANSITIONS = {
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60 "active": {"next_state": "inactive", "delay": 120},
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61 "inactive": {"next_state": "gone", "delay": 480},
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62 "gone": {"next_state": "", "delay": 0},
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63 "composing": {"next_state": "paused", "delay": 30},
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64 "paused": {"next_state": "inactive", "delay": 450}
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65 }
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66
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67
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68 class UnknownChatStateException(Exception):
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69 """
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70 This error is raised when an unknown chat state is used.
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71 """
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72 pass
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73
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74
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75 class XEP_0085(object):
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76 """
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77 Implementation for XEP 0085
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78 """
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79 params = """
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80 <params>
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81 <individual>
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82 <category name="%(category_name)s" label="%(category_label)s">
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83 <param name="%(param_name)s" label="%(param_label)s" value="true" type="bool" security="0"/>
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84 </category>
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85 </individual>
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86 </params>
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87 """ % {
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88 'category_name': PARAM_KEY,
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89 'category_label': _(PARAM_KEY),
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90 'param_name': PARAM_NAME,
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91 'param_label': _('Enable chat state notifications')
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92 }
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93
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94 def __init__(self, host):
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95 log.info(_("Chat State Notifications plugin initialization"))
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96 self.host = host
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97
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98 # parameter value is retrieved before each use
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99 host.memory.updateParams(self.params)
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100
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101 # triggers from core
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102 host.trigger.add("MessageReceived", self.messageReceivedTrigger)
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103 host.trigger.add("sendMessage", self.sendMessageTrigger)
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104 host.trigger.add("paramUpdateTrigger", self.paramUpdateTrigger)
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105 # TODO: handle profile disconnection (free memory in entity data)
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106
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107 # args: to_s (jid as string), profile
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108 host.bridge.addMethod("chatStateComposing", ".plugin", in_sign='ss',
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109 out_sign='', method=self.chatStateComposing)
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110
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111 # args: from (jid as string), state in CHAT_STATES, profile
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112 host.bridge.addSignal("chatStateReceived", ".plugin", signature='sss')
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113
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114 def getHandler(self, profile):
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115 return XEP_0085_handler(self, profile)
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116
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117 def updateEntityData(self, entity_jid, value, profile):
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118 """
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119 Update the entity data of the given profile for one or all contacts.
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120 Reset the chat state(s) display if the notification has been disabled.
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121 @param entity_jid: contact's JID, or '@ALL@' to update all contacts.
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122 @param value: True, False or C.PROF_KEY_NONE to delete the entity data
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123 @param profile: current profile
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124 """
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125 self.host.memory.updateEntityData(entity_jid, ENTITY_KEY, value, profile)
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126 if not value or value == C.PROF_KEY_NONE:
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127 # disable chat state for this or these contact(s)
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128 self.host.bridge.chatStateReceived(unicode(entity_jid), "", profile)
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129
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130 def paramUpdateTrigger(self, name, value, category, type, profile):
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131 """
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132 Reset all the existing chat state entity data associated with this profile after a parameter modification.
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133 @param name: parameter name
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parents: 654
diff changeset
134 @param value: "true" to activate the notifications, or any other value to delete it
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parents: 654
diff changeset
135 @param category: parameter category
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
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136 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
137 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
138 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
139 return False
967b94ef821e plugin XEP-0085: fixed bad trigger return value
Goffi <goffi@goffi.org>
parents: 811
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140 return True
967b94ef821e plugin XEP-0085: fixed bad trigger return value
Goffi <goffi@goffi.org>
parents: 811
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141
663
8004c7d4aba7 core: Deferred in onMessage.
Goffi <goffi@goffi.org>
parents: 662
diff changeset
142 def messageReceivedTrigger(self, message, post_treat, profile):
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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143 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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144 Update the entity cache when we receive a message with body.
908
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parents: 868
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145 Check for a chat state in the message and signal frontends.
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
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146 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
147 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:
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148 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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149
908
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150 from_jid = JID(message.getAttribute("from"))
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
diff changeset
151 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
152 domish.generateElementsNamed(message.elements(), name="body").next()
636
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souliane <souliane@mailoo.org>
parents:
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153 try:
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Goffi <goffi@goffi.org>
parents: 659
diff changeset
154 domish.generateElementsNamed(message.elements(), name="active").next()
636
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souliane <souliane@mailoo.org>
parents:
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155 # contact enabled Chat State Notifications
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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156 self.updateEntityData(from_jid, True, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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157 except StopIteration:
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
158 if message.getAttribute('type') == 'chat':
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
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159 # contact didn't enable Chat State Notifications
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souliane <souliane@mailoo.org>
parents: 868
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160 self.updateEntityData(from_jid, False, profile)
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
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parents: 868
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161 return True
636
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162 except StopIteration:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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163 pass
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
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164
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
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parents: 868
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165 # send our next "composing" states to any MUC and to the contacts who enabled the feature
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souliane <souliane@mailoo.org>
parents: 868
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166 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
167
660
69a8bfd266a5 core, plugins: fixed bad use of children instead of elements() for domish.Element instances.
Goffi <goffi@goffi.org>
parents: 659
diff changeset
168 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
169 message.getAttribute("type") in MESSAGE_TYPES
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
170 and child.name in CHAT_STATES
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
171 and child.defaultUri == NS_CHAT_STATES]
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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172 for state in state_list:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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173 # 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
174 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
175 self.host.bridge.chatStateReceived(message.getAttribute("from"), state, profile)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
176 break
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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177 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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178
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
179 def sendMessageTrigger(self, mess_data, pre_xml_treatments, post_xml_treatments, profile):
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
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180 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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181 Eventually add the chat state to the message and initiate
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
182 the state machine when sending an "active" state.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
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183 """
697
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
184 def treatment(mess_data):
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
185 message = mess_data['xml']
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Goffi <goffi@goffi.org>
parents: 663
diff changeset
186 to_jid = JID(message.getAttribute("to"))
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
187 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
188 return mess_data
697
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
189 try:
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
190 # 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
191 domish.generateElementsNamed(message.elements(), name="body").next()
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
192 message.addElement('active', NS_CHAT_STATES)
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Goffi <goffi@goffi.org>
parents: 663
diff changeset
193 # launch the chat state machine (init the timer)
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Goffi <goffi@goffi.org>
parents: 663
diff changeset
194 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
195 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
196 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
197 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
198 assert(state in CHAT_STATES)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
199 message.addElement(state, NS_CHAT_STATES)
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
200 return mess_data
0c84fb112d70 core: sendMessage triggers now use a treatments deferred;
Goffi <goffi@goffi.org>
parents: 663
diff changeset
201
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
202 post_xml_treatments.addCallback(treatment)
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
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203 return True
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
diff changeset
204
659
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parents: 654
diff changeset
205 def __checkActivation(self, to_jid, forceEntityData, profile):
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parents: 654
diff changeset
206 """
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
207 @param to_joid: the contact's JID
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
208 @param forceEntityData: if set to True, a non-existing
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
209 entity data will be considered to be True (and initialized)
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
210 @param: current profile
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parents: 654
diff changeset
211 @return: True if the notifications should be sent to this JID.
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
212 """
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
213 # check if the parameter is active
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
214 if not self.host.memory.getParamA(PARAM_NAME, PARAM_KEY, profile_key=profile):
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
215 return False
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
216 # check if notifications should be sent to this contact
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
217 try:
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
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diff changeset
218 type_ = self.host.memory.getEntityData(to_jid, ['type'], profile)['type']
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souliane <souliane@mailoo.org>
parents: 868
diff changeset
219 if type_ == 'groupchat': # always send to groupchat
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souliane <souliane@mailoo.org>
parents: 868
diff changeset
220 return True
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
221 except (exceptions.UnknownEntityError, KeyError):
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
222 pass # private chat
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souliane <souliane@mailoo.org>
parents: 868
diff changeset
223 try:
659
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
224 return self.host.memory.getEntityData(to_jid, [ENTITY_KEY], profile)[ENTITY_KEY]
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
225 except (exceptions.UnknownEntityError, KeyError):
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
226 if forceEntityData:
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
227 # enable it for the first time
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parents: 654
diff changeset
228 self.updateEntityData(to_jid, True, profile)
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
229 return True
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
230 # wait for the first message before sending states
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
231 return False
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souliane <souliane@mailoo.org>
parents: 654
diff changeset
232
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
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parents:
diff changeset
233 def __chatStateInit(self, to_jid, mess_type, profile):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
234 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
235 Data initialization for the chat state machine.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
236 """
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
237 # 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
238 to_jid = to_jid.userhostJID()
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
239 if mess_type is None:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
240 return
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
241 if not hasattr(self, "map"):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
242 self.map = {}
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
243 profile_map = self.map.setdefault(profile, {})
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
244 if not to_jid in profile_map:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
245 machine = ChatStateMachine(self.host, to_jid,
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
246 mess_type, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
247 self.map[profile][to_jid] = machine
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
248
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
249 def __chatStateActive(self, to_jid, mess_type, profile_key):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
250 """
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
251 Launch the chat state machine on "active" state.
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
252 """
908
2ef523f0b5c3 plugin XEP-0085: bug fixes, especially for groupchat messages
souliane <souliane@mailoo.org>
parents: 868
diff changeset
253 # 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
254 to_jid = to_jid.userhostJID()
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
255 profile = self.host.memory.getProfileName(profile_key)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
256 if profile is None:
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
257 raise exceptions.ProfileUnknownError
659
b6c22d9f593a plugin xep-0085: bug fix + improvement
souliane <souliane@mailoo.org>
parents: 654
diff changeset
258 return
636
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
259 self.__chatStateInit(to_jid, mess_type, profile)
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
260 self.map[profile][to_jid]._onEvent("active")
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
261
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
262 def chatStateComposing(self, to_jid_s, profile_key):
7ea6d5a86e58 plugin XEP-0085: Chat State Notifications
souliane <souliane@mailoo.org>
parents:
diff changeset
263 """
654
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
souliane <souliane@mailoo.org>
parents: 643
diff changeset
264 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
265 from the front-end, it needs to check the values of the
5c5cf5bca240 plugin XEP-0085: improvement for sending "composing" state
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266 parameter "Send chat state notifications" and the entity
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267 data associated to the target JID.
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268 TODO: try to optimize this method which is called often
636
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269 """
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270 # TODO: use also the JID resource in the map key (not for groupchat)
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271 to_jid = JID(to_jid_s).userhostJID()
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272 profile = self.host.memory.getProfileName(profile_key)
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273 if profile is None:
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274 raise exceptions.ProfileUnknownError
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275 return
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276 if not self.__checkActivation(to_jid, forceEntityData=False, profile=profile):
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277 return
636
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278 try:
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279 self.map[profile][to_jid]._onEvent("composing")
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280 except (KeyError, AttributeError):
659
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281 # no message has been sent/received since the notifications
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282 # have been enabled, it's better to wait for a first one
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283 pass
636
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284
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285
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286 class ChatStateMachine:
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287 """
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288 This class represents a chat state, between one profile and
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289 one target contact. A timer is used to move from one state
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290 to the other. The initialization is done through the "active"
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291 state which is internally set when a message is sent. The state
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292 "composing" can be set externally (through the bridge by a
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293 frontend). Other states are automatically set with the timer.
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294 """
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295
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296 def __init__(self, host, to_jid, mess_type, profile):
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297 """
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298 Initialization need to store the target, message type
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299 and a profile for sending later messages.
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300 """
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301 self.host = host
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302 self.to_jid = to_jid
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303 self.mess_type = mess_type
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304 self.profile = profile
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305 self.state = None
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306 self.timer = None
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307
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308 def _onEvent(self, state):
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309 """
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310 Move to the specified state, eventually send the
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311 notification to the contact (the "active" state is
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312 automatically sent with each message) and set the timer.
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313 """
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314 if state != self.state and state != "active":
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315 if state != 'gone' or self.mess_type != 'groupchat':
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316 # send a new message without body
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317 self.host.sendMessage(self.to_jid, '', '', self.mess_type,
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318 extra={"chat_state": state},
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319 profile_key=self.profile)
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320 self.state = state
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321 if not self.timer is None:
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322 self.timer.cancel()
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323
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324 if not state in TRANSITIONS:
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325 return
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souliane <souliane@mailoo.org>
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326 if not "next_state" in TRANSITIONS[state]:
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327 return
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328 if not "delay" in TRANSITIONS[state]:
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329 return
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330 next_state = TRANSITIONS[state]["next_state"]
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331 delay = TRANSITIONS[state]["delay"]
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332 if next_state == "" or delay < 0:
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333 return
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334 self.timer = Timer(delay, self._onEvent, [next_state])
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335 self.timer.start()
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336
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337
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souliane <souliane@mailoo.org>
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338 class XEP_0085_handler(XMPPHandler):
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339 implements(iwokkel.IDisco)
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340
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341 def __init__(self, plugin_parent, profile):
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342 self.plugin_parent = plugin_parent
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souliane <souliane@mailoo.org>
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343 self.host = plugin_parent.host
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344 self.profile = profile
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345
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346 def getDiscoInfo(self, requestor, target, nodeIdentifier=''):
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347 return [disco.DiscoFeature(NS_CHAT_STATES)]
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348
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349 def getDiscoItems(self, requestor, target, nodeIdentifier=''):
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350 return []