xp-dev.com Git - namibia/blob - public/scripts/blueimp-jQuery-File-Upload/js/cors/jquery.xdr-transport.js

   1 /*
   2  * jQuery XDomainRequest Transport Plugin 1.1.2
   3  * https://github.com/blueimp/jQuery-File-Upload
   4  *
   5  * Copyright 2011, Sebastian Tschan
   6  * https://blueimp.net
   7  *
   8  * Licensed under the MIT license:
   9  * http://www.opensource.org/licenses/MIT
  10  *
  11  * Based on Julian Aubourg's ajaxHooks xdr.js:
  12  * https://github.com/jaubourg/ajaxHooks/
  13  */
  14
  15 /*jslint unparam: true */
  16 /*global define, window, XDomainRequest */
  17
  18 (function (factory) {
  19     'use strict';
  20     if (typeof define === 'function' && define.amd) {
  21         // Register as an anonymous AMD module:
  22         define(['jquery'], factory);
  23     } else {
  24         // Browser globals:
  25         factory(window.jQuery);
  26     }
  27 }(function ($) {
  28     'use strict';
  29     if (window.XDomainRequest && !$.support.cors) {
  30         $.ajaxTransport(function (s) {
  31             if (s.crossDomain && s.async) {
  32                 if (s.timeout) {
  33                     s.xdrTimeout = s.timeout;
  34                     delete s.timeout;
  35                 }
  36                 var xdr;
  37                 return {
  38                     send: function (headers, completeCallback) {
  39                         function callback(status, statusText, responses, responseHeaders) {
  40                             xdr.onload = xdr.onerror = xdr.ontimeout = $.noop;
  41                             xdr = null;
  42                             completeCallback(status, statusText, responses, responseHeaders);
  43                         }
  44                         xdr = new XDomainRequest();
  45                         // XDomainRequest only supports GET and POST:
  46                         if (s.type === 'DELETE') {
  47                             s.url = s.url + (/\?/.test(s.url) ? '&' : '?') +
  48                                 '_method=DELETE';
  49                             s.type = 'POST';
  50                         } else if (s.type === 'PUT') {
  51                             s.url = s.url + (/\?/.test(s.url) ? '&' : '?') +
  52                                 '_method=PUT';
  53                             s.type = 'POST';
  54                         }
  55                         xdr.open(s.type, s.url);
  56                         xdr.onload = function () {
  57                             callback(
  58                                 200,
  59                                 'OK',
  60                                 {text: xdr.responseText},
  61                                 'Content-Type: ' + xdr.contentType
  62                             );
  63                         };
  64                         xdr.onerror = function () {
  65                             callback(404, 'Not Found');
  66                         };
  67                         if (s.xdrTimeout) {
  68                             xdr.ontimeout = function () {
  69                                 callback(0, 'timeout');
  70                             };
  71                             xdr.timeout = s.xdrTimeout;
  72                         }
  73                         xdr.send((s.hasContent && s.data) || null);
  74                     },
  75                     abort: function () {
  76                         if (xdr) {
  77                             xdr.onerror = $.noop();
  78                             xdr.abort();
  79                         }
  80                     }
  81                 };
  82             }
  83         });
  84     }
  85 }));