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1 'use strict';
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2
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3 /**
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4 Copyright (c) 2012, Sonny Piers <sonny at fastmail dot net>
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5
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6 Permission to use, copy, modify, and/or distribute this software for any
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7 purpose with or without fee is hereby granted, provided that the above
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8 copyright notice and this permission notice appear in all copies.
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9
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10 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 /*
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20 References:
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21 http://xmpp.org/extensions/xep-0199.html
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22 */
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23
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24 Lightstring.plugins['ping'] = {
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25 namespaces: {
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26 ping: 'urn:xmpp:ping'
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27 },
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28 stanzas: {
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29 ping: function (aTo){
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30 return(
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31 "<iq to='" + aTo + "' type='get'>" +
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32 "<ping xmlns='" + Lightstring.ns.ping + "'/>" +
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33 "</iq>"
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34 );
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35 },
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36 pong: function (aTo){
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37 return "<iq to='" + aTo + "' type='result'/>"
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38 },
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39 },
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40 handlers: {
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41 'iq': function (stanza) {
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42 if (stanza.el.firstChild.localName !== 'ping')
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43 return;
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44
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45 var id = stanza.el.getAttribute('id');
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46 var from = stanza.el.getAttribute('from');
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47 var stanza = Lightstring.stanzas.pong(from);
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48 stanza.setAttribute('id', id);
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49 }
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50 }
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51 }
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108
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52 Object.defineProperties(Lightstring.Stanza.prototype, {
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53 'ping': {
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54 get : function() {
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55 return !!(this.el.querySelector('ping'));
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56 },
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57 set: function(aBool) {
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58 if (this.ping)
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59 return;
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60
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61 var pingEl = Lightstring.doc.createElementNS(Lightstring.ns.ping, 'ping');
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62 this.el.appendChild(pingEl);
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63 },
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64 enumerable : true,
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65 configurable : true
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66 },
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67 });
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