| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | /* |
| A | 2 | * jQuery postMessage Transport Plugin 1.1.1 |
| 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 | ||
| 12 | /* global define, window, document */ | |
| 13 | ||
| 14 | (function (factory) { | |
| 15 | 'use strict'; | |
| 16 | if (typeof define === 'function' && define.amd) { | |
| 17 | // Register as an anonymous AMD module: | |
| 18 | define(['jquery'], factory); | |
| 19 | } else { | |
| 20 | // Browser globals: | |
| 21 | factory(window.jQuery); | |
| 22 | } | |
| 23 | }(function ($) { | |
| 24 | 'use strict'; | |
| 25 | ||
| 26 | var counter = 0, | |
| 27 | names = [ | |
| 28 | 'accepts', | |
| 29 | 'cache', | |
| 30 | 'contents', | |
| 31 | 'contentType', | |
| 32 | 'crossDomain', | |
| 33 | 'data', | |
| 34 | 'dataType', | |
| 35 | 'headers', | |
| 36 | 'ifModified', | |
| 37 | 'mimeType', | |
| 38 | 'password', | |
| 39 | 'processData', | |
| 40 | 'timeout', | |
| 41 | 'traditional', | |
| 42 | 'type', | |
| 43 | 'url', | |
| 44 | 'username' | |
| 45 | ], | |
| 46 | convert = function (p) { | |
| 47 | return p; | |
| 48 | }; | |
| 49 | ||
| 50 | $.ajaxSetup({ | |
| 51 | converters: { | |
| 52 | 'postmessage text': convert, | |
| 53 | 'postmessage json': convert, | |
| 54 | 'postmessage html': convert | |
| 55 | } | |
| 56 | }); | |
| 57 | ||
| 58 | $.ajaxTransport('postmessage', function (options) { | |
| 59 | if (options.postMessage && window.postMessage) { | |
| 60 | var iframe, | |
| 61 | loc = $('<a>').prop('href', options.postMessage)[0], | |
| 62 | target = loc.protocol + '//' + loc.host, | |
| 63 | xhrUpload = options.xhr().upload; | |
| 64 | return { | |
| 65 | send: function (_, completeCallback) { | |
| 66 | counter += 1; | |
| 67 | var message = { | |
| 68 | id: 'postmessage-transport-' + counter | |
| 69 | }, | |
| 70 | eventName = 'message.' + message.id; | |
| 71 | iframe = $( | |
| 72 | '<iframe style="display:none;" src="' + | |
| 73 | options.postMessage + '" name="' + | |
| 74 | message.id + '"></iframe>' | |
| 75 | ).bind('load', function () { | |
| 76 | $.each(names, function (i, name) { | |
| 77 | message[name] = options[name]; | |
| 78 | }); | |
| 79 | message.dataType = message.dataType.replace('postmessage ', ''); | |
| 80 | $(window).bind(eventName, function (e) { | |
| 81 | e = e.originalEvent; | |
| 82 | var data = e.data, | |
| 83 | ev; | |
| 84 | if (e.origin === target && data.id === message.id) { | |
| 85 | if (data.type === 'progress') { | |
| 86 | ev = document.createEvent('Event'); | |
| 87 | ev.initEvent(data.type, false, true); | |
| 88 | $.extend(ev, data); | |
| 89 | xhrUpload.dispatchEvent(ev); | |
| 90 | } else { | |
| 91 | completeCallback( | |
| 92 | data.status, | |
| 93 | data.statusText, | |
| 94 | {postmessage: data.result}, | |
| 95 | data.headers | |
| 96 | ); | |
| 97 | iframe.remove(); | |
| 98 | $(window).unbind(eventName); | |
| 99 | } | |
| 100 | } | |
| 101 | }); | |
| 102 | iframe[0].contentWindow.postMessage( | |
| 103 | message, | |
| 104 | target | |
| 105 | ); | |
| 106 | }).appendTo(document.body); | |
| 107 | }, | |
| 108 | abort: function () { | |
| 109 | if (iframe) { | |
| 110 | iframe.remove(); | |
| 111 | } | |
| 112 | } | |
| 113 | }; | |
| 114 | } | |
| 115 | }); | |
| 116 | ||
| 117 | })); | |
