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annotate mod_json_streams/strophe.jsonstreams.js @ 351:85d3c04c64f6

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mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
author Waqas Hussain <waqas20@gmail.com>
date Sat, 02 Apr 2011 03:11:22 +0500
parents
children 0b4fe47e648d
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351
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
parents:
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1
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
parents:
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2 /* jsonstreams plugin
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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3 **
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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4 ** This plugin upgrades Strophe to support XEP-0295: JSON Encodings for XMPP
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
parents:
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5 **
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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6 */
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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7
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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8 Strophe.addConnectionPlugin('jsonstreams', {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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9 init: function (conn) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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10
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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11 var parseXMLString = function(xmlStr) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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12 var xmlDoc = null;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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13 if (window.ActiveXObject) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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14 xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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15 xmlDoc.async=false;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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16 xmlDoc.loadXML(xmlStr);
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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17 } else {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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18 var parser = new DOMParser();
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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19 xmlDoc = parser.parseFromString(xmlStr, "text/xml");
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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20 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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21 return xmlDoc;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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22 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
parents:
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23
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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24 // replace Strophe.Request._newXHR with new jsonstreams version
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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25 // if JSON is detected
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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26 if (window.JSON) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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27 var _newXHR = Strophe.Request.prototype._newXHR;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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28 Strophe.Request.prototype._newXHR = function () {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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29 var _xhr = _newXHR.apply(this, arguments);
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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30 var xhr = {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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31 readyState: 0,
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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32 responseText: null,
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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33 responseXML: null,
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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34 status: null,
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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35 open: function(a, b, c) { return _xhr.open(a, b, c) },
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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36 abort: function() { _xhr.abort(); },
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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37 send: function(data) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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38 data = JSON.stringify({"s":data});
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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39 return _xhr.send(data);
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
Waqas Hussain <waqas20@gmail.com>
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40 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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41 };
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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42 xhr.onreadystatechange = _xhr.onreadystatechange;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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43 _xhr.onreadystatechange = function() {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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parents:
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44 xhr.readyState = _xhr.readyState;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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45 if (xhr.readyState != 4) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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46 xhr.status = 0;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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47 xhr.responseText = "";
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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48 xhr.responseXML = null;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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49 } else {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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50 xhr.status = _xhr.status;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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51 xhr.responseText = _xhr.responseText;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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52 xhr.responseXML = _xhr.responseXML;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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53 if (_xhr.responseText && !_xhr.responseXML) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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54 var data = JSON.parse(_xhr.responseText);
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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55 if (data && data.s) {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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56 xhr.responseText = data.s;
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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57 xhr.responseXML = parseXMLString(data.s);
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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58 }
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59 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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60 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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61 if (xhr.onreadystatechange) { xhr.onreadystatechange(); }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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parents:
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62 }
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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63 return xhr;
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64 };
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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65 } else {
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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66 Strophe.error("jsonstreams plugin loaded, but JSON not found." +
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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67 " Falling back to native XHR implementation.");
85d3c04c64f6 mod_json_streams/strophe.jsonstreams.js: A strophe.js plugin to make it work.
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68 }
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69 }
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70 });