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Version 0.6.147, fix X.UA & X.URL & X.EventDispatcher & X.XHR.
[pettanr/clientJs.git] / 0.6.x / js / 06_net / 01_XNetXHR.js
1 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
2 // https://web.archive.org/web/20071101021832/http://web.paulownia.jp/script/ajax/xmlhttp4.html\r
3 // https://web.archive.org/web/20091029170015/http://wiki.paulownia.jp/ajax/xmlhttprequest\r
4 /* \r
5  * http://ponpon-village.net/ajax/xmlhttp.htm\r
6  * IE のバージョンによっては、ActiveXObject("Msxml2.XMLHTTP.5.0") , ActiveXObject("Msxml2.XMLHTTP.4.0") ,\r
7 ActiveXObject("Msxml2.XMLHTTP.3.0") , ActiveXObject("Msxml2.XMLHTTP") なども使用出来る。\r
8 \r
9 http://vird2002.s8.xrea.com/javascript/XMLHttpRequest.html\r
10 // --- 使うべきオブジェクト\r
11 new ActiveXObject( 'Msxml2.XMLHTTP.3.0' ); // バージョン3.0 広範に利用されているので、今後も bugfix を行う\r
12 new ActiveXObject( 'Msxml2.XMLHTTP.6.0' ); // バージョン6.0 は最新版なので bugfix を続ける\r
13 \r
14 // --- 使うべきではないオブジェクト\r
15 new ActiveXObject( 'Microsoft.XMLHTTP' );  // Microsoft接頭辞は古いので指定すべきではない\r
16 new ActiveXObject( 'Msxml.XMLHTTP' );      // Msxml2接頭辞を指定すべき\r
17 new ActiveXObject( 'Msxml2.XMLHTTP' );     // バージョンを省略すると 3.0 として扱われるので、バージョンは明記すべき\r
18 new ActiveXObject( 'Msxml2.XMLHTTP.4.0' ); // バージョン4.0 は bugfix が行われないので、3.0 か 6.0 を指定すべき\r
19 new ActiveXObject( 'Msxml2.XMLHTTP.5.0' ); // バージョン5.0 は bugfix が行われないので、3.0 か 6.0 を指定すべき\r
20 \r
21 [IE][Javascript][Json] IE+Jsonではまった\r
22 http://d.hatena.ne.jp/khiker/20081026/javascript_json\r
23 > AddCharset utf-8 json\r
24 > AddType text/javascript json\r
25 \r
26 JavaScriptでJSONをeval\r
27 http://d.hatena.ne.jp/sshi/20060904/p1\r
28 \r
29 itozyun 2014-10-30 20:55:41\r
30 basic 認証のかかったhtml を表示して、そのjsが xhr をすると Android1.6 では 401 error が返る。Android 2.3 では解決している。\r
31 Android1.6- の XHR で 401 エラーが返った場合は、iframe に xml を表示させてその内容を取ればサーバ側の対応無しでいけるかも?\r
32  */\r
33 var // Opera7.6+, Safari1.2+, khtml3.?+, Gecko0.9.7+\r
34         // ie7&8 ではローカルリソースには ActiveX の XHR を使う\r
35         X_Net_XHR_createW3C   = window[ 'XMLHttpRequest' ] && function(){ return X_Net_XHR_w3c || ( X_Net_XHR_w3c = new XMLHttpRequest() ); },\r
36         X_Net_XHR_w3c         = X_Net_XHR_createW3C && X_Net_XHR_createW3C(),\r
37         X_Net_XHR_progress    = X_Net_XHR_w3c && X_Net_XHR_w3c.onprogress !== undefined,\r
38         X_Net_XHR_upload      = X_Net_XHR_w3c && !!X_Net_XHR_w3c.upload,\r
39         \r
40         X_Net_XHR_createXDR   = window[ 'XDomainRequest' ] && function(){ return X_Net_XHR_xdr || ( X_Net_XHR_xdr = new XDomainRequest() ); },\r
41         X_Net_XHR_xdr         = X_Net_XHR_createXDR && X_Net_XHR_createXDR(),\r
42 \r
43         X_Net_XHR_createMSXML = X_UA[ 'ActiveX' ] && ( X_UA[ 'IE5x' ] || X_UA[ 'IE6' ] || ( X_URL_IS_LOCAL && X_UA[ 'IE' ] ) ) &&\r
44                 ( new Function( 'f', [\r
45                         'var x=".XMLHTTP",',\r
46                                 'm="MSXML2"+x,',\r
47                                 'n=[m+".6.0",m+".3.0",m+".5.0",m+".4.0",m,"Microsoft"+x],',\r
48                                 'v=[6,3,5,4,2,1],',\r
49                                 'a=ActiveXObject,',\r
50                                 'i=-1;',\r
51                         'for(;i<5;){',\r
52                                 'try{',\r
53                                         'return f?[v[++i],new a(n[i])]:new a(n[i])',\r
54                                 '}catch(e){}',\r
55                         '}'\r
56                 ].join( '' ) ) ),\r
57 \r
58         X_Net_XHR_VERSION     = 0,      \r
59         X_Net_XHR_msXML       = X_Net_XHR_createMSXML && X_Net_XHR_createMSXML( true ),\r
60         \r
61         X_Net_XHR_unReuseAlways = /* !X_UA[ 'IECompat' ] && */ X_UA[ 'IE' ] < 9,\r
62         \r
63         X_Net_XHR_init;\r
64 \r
65 if( X_Net_XHR_msXML ){\r
66         X_Net_XHR_VERSION  = X_Net_XHR_msXML[ 0 ];\r
67         X_Net_XHR_msXML    = X_Net_XHR_msXML[ 1 ];\r
68 } else {\r
69         X_Net_XHR_createMSXML = null;\r
70 };\r
71 \r
72 X[ 'Net' ][ 'XHR' ] = {\r
73 \r
74 /*\r
75  * http://hakuhin.jp/as/import.html\r
76  * ファイルの読み込みについて(4 or 5 or 6+)\r
77  * http://hakuhin.jp/as/javascript.html\r
78  * Flash から JavaScript にアクセスする(3+)\r
79  */\r
80         'FLASH'       : false,\r
81 \r
82 /**\r
83  * https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
84  * Progress Events      Chrome7, firefox3.5, ie10, opera12, Safari?, Chrome for Android 0.16\r
85  */\r
86         'PROGRESS'    : X_Net_XHR_progress,\r
87 \r
88         'UL_PROGRESS' : X_Net_XHR_upload,\r
89 \r
90         // or gadget proxy\r
91         'CORS'        : X_Net_XHR_xdr || ( X_Net_XHR_w3c && X_Net_XHR_w3c.withCredentials !== undefined )\r
92 };\r
93 \r
94 if( X_Net_XHR_w3c || X_Net_XHR_msXML ){\r
95 \r
96 X_TEMP.X_Net_XHR_init = function(){\r
97         \r
98         delete X_TEMP.X_Net_XHR_init;\r
99         \r
100         X_NET_XHRWrapper = X_Class_override(\r
101                 X_EventDispatcher(),\r
102                 {\r
103                         \r
104                         '_rawType'   : X_EventDispatcher_EVENT_TARGET_XHR,\r
105                         // '_rawObject' : X_Net_XHR_w3c || X_Net_XHR_msXML,\r
106                         \r
107                         _isXDR       : false,\r
108                         _isMsXML     : false,\r
109                         \r
110                         _method      : '',\r
111                         _dataType    : '',\r
112                         _busy        : false,\r
113                         _canceled    : false,\r
114                         _error       : false,\r
115                         _percent     : 0,\r
116                         _timerID     : 0,\r
117                         \r
118                         load : function( obj ){\r
119                                 var raw      = this[ '_rawObject' ],\r
120                                         method   = obj[ 'method' ],\r
121                                         url      = obj[ 'url' ],\r
122                                         async    = obj[ 'async' ] !== false,\r
123                                         username = obj[ 'username' ],\r
124                                         password = obj[ 'password' ],\r
125                                         headers  = obj[ 'headers' ] || {},\r
126                                         postdata = obj[ 'postdata' ] || '',\r
127                                         timeout  = obj[ 'timeout' ] || 20000,\r
128                                         xDomain  = !X_URL_isSameDomain( url ),\r
129                                         isFile   = X_URL_isLocal( url ),\r
130                                         tmp;\r
131 \r
132                                 this._dataType = obj[ 'dataType' ] || X_URL_getEXT( url );\r
133                                 \r
134                                 if( !raw || xDomain !== this._isXDR || ( X_Net_XHR_createMSXML && isFile !== this._isMsXML ) ){\r
135                                         \r
136                                         this[ 'unlisten' ]( [ 'load', 'readystatechange', 'progress', 'error', 'timeout' ] );\r
137                                         \r
138                                         this[ '_rawObject' ] = raw = xDomain ?\r
139                                                                                                         X_Net_XHR_createXDR() :\r
140                                                                                                  isFile ?\r
141                                                                                                         ( X_Net_XHR_createMSXML ?\r
142                                                                                                                 ( X_Net_XHR_msXML = X_Net_XHR_msXML || X_Net_XHR_createMSXML() ):\r
143                                                                                                                 X_Net_XHR_createW3C()\r
144                                                                                                          ) :\r
145                                                                                                  X_Net_XHR_createW3C ?\r
146                                                                                                         X_Net_XHR_createW3C() :\r
147                                                                                                         ( X_Net_XHR_msXML = X_Net_XHR_msXML || X_Net_XHR_createMSXML() );\r
148 \r
149                                         // raw === XDR これは error になるのでフラグに控える\r
150                                         this._isXDR   = X_Net_XHR_createXDR && xDomain;\r
151                                         this._isMsXML = !X_Net_XHR_createW3C || ( isFile && X_Net_XHR_createMSXML );\r
152 \r
153                                         if( this._isMsXML ){\r
154                                                 this[ 'listen' ]( 'readystatechange' ); // TODO ie7 ActiveX の場合、error は不可 toggleAllEvent のあたり\r
155                                         } else\r
156                                         if( X_UA[ 'IE8' ] ){\r
157                                                 this[ 'listen' ]( [ 'readystatechange', 'error', 'timeout' ] );\r
158                                         } else\r
159                                         if( X_UA[ 'IE7' ] ){\r
160                                                 this[ 'listen' ]( [ 'readystatechange', 'error' ] );\r
161                                         } else\r
162                                         if( X_Net_XHR_progress ){\r
163                                                 this[ 'listen' ]( [ 'load', 'progress', 'error', 'timeout' ] ); //, 'abort'\r
164                                         } else {\r
165                                                 this[ 'listen' ]( [ 'load', 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
166                                         };\r
167                                 \r
168                                         X_EventDispatcher_toggleAllEvents( this, true );\r
169                                 \r
170                                         if( X_Net_XHR_upload ){\r
171                                                 raw.upload.addEventListener( 'progress', this.onUploadProgress );\r
172                                         };\r
173                                 };\r
174                                 \r
175                                 raw.open( method, url, async, username, password );\r
176                                 \r
177                                 if( raw.responseType !== undefined ){\r
178                                         switch( this._dataType ){\r
179                                                 case '' :\r
180                                                 case 'text' :\r
181                                                 // js, css\r
182                                                         raw.responseType = 'text';\r
183                                                         break;\r
184                                                 case 'json' :\r
185                                                 case 'moz-json' :\r
186                                                         raw.responseType = X_UA[ 'Gecko' ] ? this._dataType : ''; // Iron 37 でエラー\r
187                                                         break;\r
188                                                 case 'document' :\r
189                                                 case 'xml' :\r
190                                                 case 'html' :\r
191                                                 case 'htm' :\r
192                                                 // svg\r
193                                                         raw.responseType = 'document';\r
194                                                         break;\r
195                                                 case 'blob' :\r
196                                                 case 'arraybuffer' :\r
197                                                 // jpeg,jpg,png,gif,mp3,ogg...\r
198                                                         raw.responseType = this._dataType;\r
199                                                         break;\r
200                                         };\r
201                                 };\r
202                                 \r
203                                 // http://www.quirksmode.org/blog/archives/2005/09/xmlhttp_notes_r_1.html\r
204                                 if( !this._isMsXML && raw.overrideMimeType ){\r
205                                         switch( X_URL_getEXT( url ) ){\r
206                                                 case 'html' :\r
207                                                 case 'xml' :\r
208                                                         tmp = 'text/xml';\r
209                                                         break;\r
210 \r
211                                                 case 'mp3' :\r
212                                                         tmp = 'audio/mpeg';\r
213                                                         break;\r
214                                                 case 'opus' :\r
215                                                 case 'ogg' :\r
216                                                         tmp = 'audio/ogg';\r
217                                                         break;\r
218                                                 case 'wav' :\r
219                                                         tmp = 'audio/wav';\r
220                                                         break;                                                  \r
221                                                 case 'aac' :\r
222                                                         tmp = 'audio/aac';\r
223                                                         break;\r
224                                                 case 'm4a' :\r
225                                                         tmp = 'audio/x-m4a"';\r
226                                                         break;  \r
227                                                 case 'mp4' :\r
228                                                         tmp = 'audio/x-mp4';\r
229                                                         break;  \r
230                                                 case 'weba' :\r
231                                                         tmp = 'audio/webm';\r
232                                                         break;\r
233                                         };\r
234                                         if( tmp = obj[ 'mimeType' ] || tmp ) raw.overrideMimeType( tmp );\r
235                                 };\r
236 \r
237                                 if( !this._isMsXML && !this._isXDR && raw.setRequestHeader ){\r
238                                         \r
239                                         // http://nakigao.sitemix.jp/blog/?p=2040\r
240                                         // json 取得時に SafariでHTTP/412のエラー。但し相手が audio の場合、この指定があるとロードに失敗する。 iOS8.2, iOS7.1 では遭遇せず\r
241                                         if( this._dataType === 'json' ){\r
242                                                 headers[ 'If-Modified-Since' ] = ( new Date ).toUTCString();\r
243                                         };\r
244                                         \r
245                                         // http://boscono.hatenablog.com/entry/2013/12/23/152851\r
246                                         if ( !xDomain && !headers[ 'X-Requested-With' ] ) {\r
247                                                 headers[ 'X-Requested-With' ] = 'XMLHttpRequest';\r
248                                         };\r
249                                         \r
250                                         if( method === 'POST' ){\r
251                                                 headers[ 'Content-Type' ] = 'application/x-www-form-urlencoded';\r
252                                         };\r
253                                         \r
254                                         for( p in headers ){\r
255                                                 if( X_EMPTY_OBJECT[ p ] ) continue;\r
256                                                 headers[ p ] !== undefined && raw.setRequestHeader( p, headers[ p ] + '' ); // Opera8.01+, MSXML3+\r
257                                         };\r
258                                 };\r
259                                 \r
260                                 if( raw.timeout !== undefined ){\r
261                                         raw.timeout = timeout;\r
262                                 } else {\r
263                                         this._timerID = X_Timer_once( timeout, this, this.onTimeout );\r
264                                 };      \r
265                                 \r
266                                 // send 前にフラグを立てる,回線が早いと raw.send() 内で onload -> _busy = false ののち、 _busy = true するため。\r
267                                 this._busy = true;\r
268 \r
269                                 raw.send( X_Type_isString( postdata ) ? postdata : X_String_serialize( postdata ) );\r
270 \r
271                                 if( !async || raw.readyState === 4 ){ // raw.readyState へのアクセスで ie7 実機でerror\r
272                                         this[ 'asyncDispatch' ]( this[ 'listening' ]( 'load' ) ? 'load' : 'readystatechange' );\r
273                                 };\r
274                         },\r
275                         \r
276                         cancel : function(){\r
277                                 /* X.Net.XHR.CANCELABLE && */ this[ '_rawObject' ].abort && this[ '_rawObject' ].abort();\r
278                                 this._canceled = true;\r
279                         },\r
280                         \r
281                         reset : function(){\r
282                                 // XMLHttpRequest で順番にリソースを取得する\r
283                                 // http://note.chiebukuro.yahoo.co.jp/detail/n16248\r
284                                 // Opera 10.10 と Safari 4.1 はエラーが起きた XHR を再利用できないので毎回作る\r
285                                 \r
286                                 // \r
287                                 // domes.lingua.heliohost.org/dom-intro/load-save2.html\r
288                                 // 規定上は open() を呼び出すと XMLHttpRequest オブジェクトが未送信状態に戻りますが、\r
289                                 // Opera 10.10、Safari 4.1 では、同一オリジン制限に違反した XMLHttpRequest オブジェクトは再度 open() しても未送信状態に戻りません。\r
290                                 \r
291                                 // Timeout した Gecko の xhr.response に触るとエラー??\r
292                                 if( this._error && ( X_UA[ 'Opera' ] || X_UA[ 'Webkit' ]  || X_UA[ 'Gecko' ] ) ){\r
293                                         if( X_Net_XHR_upload ){\r
294                                                 X_Net_XHR_w3c.upload.removeEventListener( 'progress', this.onUploadProgress );\r
295                                         };\r
296                                                                                 \r
297                                         X_EventDispatcher_toggleAllEvents( this, false );\r
298                                         this[ '_rawObject' ] = X_Net_XHR_w3c = null;\r
299                                         //X_EventDispatcher_toggleAllEvents( this, true );\r
300 \r
301                                 } else {\r
302                                         // XMLHttpRequest の使い方\r
303                                         // http://webos-goodies.jp/archives/50548720.html\r
304                                         // XMLHttpRequest オブジェクトを再利用する際も、 abort メソッドを呼び出す必要があるようです。\r
305                                         this[ '_rawObject' ].abort && this[ '_rawObject' ].abort();                                             \r
306                                         \r
307                                         if( X_Net_XHR_unReuseAlways ){\r
308                                                 // ie7 は xhr object を再利用できない。但し send のあとに alert を挟むと動いた、、、\r
309                                                 // ie7モード(IE11) では再利用可能、、、\r
310                                                 X_EventDispatcher_toggleAllEvents( this, false );\r
311                                                 this[ '_rawObject' ] = null;\r
312                                                 \r
313                                                 if( this._isXDR ){\r
314                                                         X_Net_XHR_xdr   = null;\r
315                                                 } else\r
316                                                 if( this._isMsXML ){\r
317                                                         X_Net_XHR_msXML = null;\r
318                                                 } else {\r
319                                                         X_Net_XHR_w3c   = null;\r
320                                                 };\r
321                                                 delete this._isXDR;\r
322                                                 delete this._isMsXML;\r
323                                         };\r
324                                 };\r
325 \r
326                                 this._method   = this._dataType = '';\r
327                                 this._canceled = this._busy = this._error = false;\r
328                                 this._timerID && X_Timer_remove( this._timerID );\r
329                                 this._percent  = this._timerID = 0;\r
330                         },\r
331                         \r
332                         handleEvent : function( e ){\r
333                                 var raw  = this[ '_rawObject' ],\r
334                                         live = !this._canceled,\r
335                                         status, data;\r
336 \r
337                                 switch( e.type ){\r
338                                         /*\r
339                                          * http://memopad.bitter.jp/w3c/ajax/ajax_xmlhttprequest_onreadystatechange.html\r
340                                         readyState      XMLHttpRequest のステータスを保持する。0 から 4 までに変化する:\r
341                                         0: リクエストは初期化されていない\r
342                                         1: サーバ接続は確立した\r
343                                         2: リクエストを受信した\r
344                                         3: リクエストの処理中\r
345                                         4: リクエストは終了してレスポンスの準備が完了\r
346                                         status  200: "OK"\r
347                                         404: Page not found\r
348                                         \r
349                                         If-Modified-Sinceヘッダを利用してWebページのキャッシュを行うXMLHttpRequestラッパー\r
350                                         http://www.semblog.org/msano/archives/000407.html\r
351                                         * */            \r
352                                         case 'readystatechange' :\r
353                                                 //if( !X.Net.XHR.PROGRESS ){\r
354                                                         switch( raw.readyState ){\r
355                                                                 case 0 :\r
356                                                                 case 1 :\r
357                                                                         return;\r
358                                                                 case 2 : // 0% ajaxstart\r
359                                                                         live && this[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : 0 } );\r
360                                                                         return;\r
361                                                                 case 3 :\r
362                                                                         live && this[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : this._percent < 99.9 ? 99.9 : ( this._percent + 100 ) / 2 } );\r
363                                                                         // 99.9%\r
364                                                                         return;\r
365                                                                 case 4 :\r
366                                                                         if( this._percent === 100 ) return; // Opera8 readystatechange が2重に発生\r
367                                                                         // 100%\r
368                                                                         break; // load へ\r
369                                                                 default :\r
370                                                                         // error\r
371                                                                         return;\r
372                                                         };                                              \r
373                                                 //};\r
374         \r
375                                         case 'load' :\r
376                                                 \r
377                                                 if( !live ) return this.reset();\r
378                                                 if( !this._busy ) return;\r
379                                                 \r
380                                                 \r
381                                                 this._percent = 100;\r
382                                                 this._busy    = false;\r
383                                                 status        = raw.status;\r
384                                                 \r
385                                                 // https://code.google.com/p/fakeworker-js/source/browse/src/javascript/fakeworker.js\r
386                                                 if(\r
387                                                         ( !status && location.protocol === 'file:' ) ||\r
388                                                         // IE 6.0 でローカルファイルにアクセスした\r
389                                                         ( status < 100 ) ||\r
390                                             ( 200 <= status && status < 400 ) ||\r
391                                             //status === 304 ||\r
392                                             ( status === 1223 && ( status = 204 ) ) ||\r
393                                             ( X_UA[ 'Webkit' ]  && status === undefined ) // safari: /webkit/.test(userAgent)\r
394                                                 ){\r
395                                                         /*\r
396                                                          * opera8, safari2, khtml3 で utf8 日本語文字列の文字化け\r
397                                                          */\r
398                                                         // raw.getAllResponseHeaders();\r
399                                                         \r
400                                                         // parse json, html, xml, text, script, css\r
401                                                         switch( this._dataType ){\r
402                                                                 case '' :\r
403                                                                 case 'text' :\r
404                                                                         data = raw[ 'responseText' ];\r
405                                                                         break;\r
406                                                                 case 'json' :\r
407                                                                 case 'moz-json' :\r
408                                                                         data = raw[ 'response' ] || raw[ 'responseText' ];\r
409                                                                         // eval() を使っているけど JSON の無いブラウザは XDomain な XHR はできないのでよしとする。\r
410                                                                         // XDomain な XHR の際は Flash 等で代替し、その中に Json parser も組み込む。\r
411                                                                         // http://d.hatena.ne.jp/sshi/20060904/p1\r
412                                                                         if( !X_Type_isObject( data ) ) data = window.JSON ? JSON.parse( data ) : eval( '(' + data + ')' );\r
413                                                                         break;\r
414                                                                 case 'document' :\r
415                                                                 case 'xml' :\r
416                                                                 case 'html' :\r
417                                                                 case 'htm' :\r
418                                                                 // svg, vml, xaml, xul, mxml ??\r
419                                                                         data = raw[ 'responseXML' ] || raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
420                                                                         break;\r
421                                                                 case 'blob' :\r
422                                                                 case 'arraybuffer' :\r
423                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
424                                                                         break;\r
425                                                         };\r
426 \r
427                                                         this[ 'asyncDispatch' ]( 32, { type : X_EVENT_SUCCESS, status : status || 200, data : data } );\r
428                                                 } else\r
429                                                 if( live ){\r
430                                                         this[ 'asyncDispatch' ]( 32, { type : X_EVENT_ERROR, status : raw.status || 0, 'percent' : 100 } );\r
431                                                 };\r
432                                                 break;\r
433                                         \r
434                                         case 'progress' :\r
435                                                 if( e.lengthComputable ){\r
436                                                         this._percent = e.loaded / e.total;\r
437                                                         live && this[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : this._percent } );\r
438                                                 };\r
439                                                 break;\r
440                                         \r
441                                         case 'error' :\r
442                                         //console.dir( e );\r
443                                                 this._busy  = false;\r
444                                                 this._error = X_UA[ 'Opera' ] || X_UA[ 'Webkit' ] ;\r
445                                                 live && this[ 'asyncDispatch' ]( 32, { type : X_EVENT_ERROR, status : raw.status } );\r
446                                                 break;\r
447 \r
448                                         case 'timeout' : // Gecko 12.0 https://developer.mozilla.org/ja/docs/XMLHttpRequest/Synchronous_and_Asynchronous_Requests\r
449                                                 this._busy  = false;\r
450                                                 this._error = !!X_UA[ 'Gecko' ];\r
451                                                 this[ 'asyncDispatch' ]( X_EVENT_TIMEOUT );\r
452                                                 break;\r
453                                 };\r
454                         },\r
455                         \r
456                         onTimeout : function(){\r
457                                 var raw  = this[ '_rawObject' ],\r
458                                         live = !X_NET_XHRWrapper._canceled || !this._busy;\r
459 \r
460                                 if( live || raw.readyState < 3 ){\r
461                                         this._busy = false;\r
462                                         live && this[ 'asyncDispatch' ]( X_EVENT_TIMEOUT );\r
463                                 };\r
464                                 this._timerID = 0;\r
465                         },\r
466                         \r
467                         onUploadProgress : X_Net_XHR_upload && function( e ){\r
468                                 var raw  = X_NET_XHRWrapper[ '_rawObject' ].upload,\r
469                                         live = !X_NET_XHRWrapper._canceled,\r
470                                         states, data;\r
471                                 live && X_NET_XHRWrapper[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : X_NET_XHRWrapper._percent, 'uploadPercent' : ( e.loaded / e.total ) } );\r
472                         }\r
473                 },\r
474                 true\r
475         );\r
476         // 同期リクエストでなければならない場合, unload, beforeunload時\r
477         \r
478         return X_NET_XHRWrapper;\r
479 };\r
480 \r
481 };\r
482 \r