0.6.x/js/06_net/01_XNetXHR.js

   1 //{+xhr"XHR,XDR,MSXMLによる通信"(XMLHTTPRequest, XDomainRequest, ActiveX-MSXML を使った通信)[+net]\r
   2 \r
   3 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
   4 // https://web.archive.org/web/20071101021832/http://web.paulownia.jp/script/ajax/xmlhttp4.html\r
   5 // https://web.archive.org/web/20091029170015/http://wiki.paulownia.jp/ajax/xmlhttprequest\r
   6 /* \r
   7  * http://ponpon-village.net/ajax/xmlhttp.htm\r
   8  * IE のバージョンによっては、ActiveXObject("Msxml2.XMLHTTP.5.0") , ActiveXObject("Msxml2.XMLHTTP.4.0") ,\r
   9 ActiveXObject("Msxml2.XMLHTTP.3.0") , ActiveXObject("Msxml2.XMLHTTP") なども使用出来る。\r
  10 \r
  11 http://vird2002.s8.xrea.com/javascript/XMLHttpRequest.html\r
  12 // --- 使うべきオブジェクト\r
  13 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
  14 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
  15 \r
  16 // --- 使うべきではないオブジェクト\r
  17 new ActiveXObject( 'Microsoft.XMLHTTP' );  // Microsoft接頭辞は古いので指定すべきではない\r
  18 new ActiveXObject( 'Msxml.XMLHTTP' );      // Msxml2接頭辞を指定すべき\r
  19 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
  20 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
  21 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
  22 \r
  23 [IE][Javascript][Json] IE+Jsonではまった\r
  24 http://d.hatena.ne.jp/khiker/20081026/javascript_json\r
  25 > AddCharset utf-8 json\r
  26 > AddType text/javascript json\r
  27 \r
  28 JavaScriptでJSONをeval\r
  29 http://d.hatena.ne.jp/sshi/20060904/p1\r
  30 \r
  31 itozyun 2014-10-30 20:55:41\r
  32 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
  33 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
  34 Android2 にも xdomain な GET が一回しかできない問題 gears 使えない？\r
  35 \r
  36 IE9 で 画像バイナリの取得 VBA をかましている\r
  37 http://web.archive.org/web/20130808105151/http://gurimmer.lolipop.jp/daihakken/2012/05/22/javascriptajaxxmlhttprequest%E3%82%92%E4%BD%BF%E3%81%A3%E3%81%9Fajax%E3%81%AE%E3%82%A8%E3%83%B3%E3%82%B3%E3%83%BC%E3%83%89\r
  38 http://d.hatena.ne.jp/maachang/20130221/1361427565\r
  39 \r
  40 http://web.archive.org/web/20130531162446/http://gurimmer.lolipop.jp/daihakken/2012/06/25/ajaxjavascript%E3%83%8D%E3%82%A4%E3%83%86%E3%82%A3%E3%83%96xmlhttp%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E3%81%A8%E3%81%AF/\r
  41 \r
  42 IE8 以下で xhr の失敗率が高い問題 \r
  43 http://tkengo-totoro.blogspot.jp/2011/11/iexmlhttprequest.html\r
  44 TODO クライアント側にもリトライ機構を入れてみる\r
  45 \r
  46 \r
  47 TODO xml の取得には XMLDOM を使用する\r
  48 var activex = JKL.ParseXML.HTTP.ACTIVEX_XMLHTTP;    // IXMLHttpRequest\r
  49 if ( this.method == "GET" && ! this.textmode ) {\r
  50     // use IXMLDOMElement to accept any mime types\r
  51     // because overrideMimeType() is not available on IE6\r
  52     activex = JKL.ParseXML.HTTP.ACTIVEX_XMLDOM;     // IXMLDOMElement\r
  53 };\r
  54 // debug.print( "new ActiveXObject( '"+activex+"' )" );\r
  55 this.req = new ActiveXObject( activex );\r
  56 \r
  57  */\r
  58 var // Opera7.6+, Safari1.2+, khtml3.?+, Gecko0.9.7+\r
  59         // ie9- ではローカルリソースには MSXML を使う\r
  60         X_XHR_createW3C   = window[ 'XMLHttpRequest' ] && function(){ return X_XHR_w3c || ( X_XHR_w3c = new XMLHttpRequest() ); },\r
  61         X_XHR_w3c         = X_XHR_createW3C && X_XHR_createW3C(),\r
  62         X_XHR_cors        = X_XHR_w3c && X_XHR_w3c.withCredentials !== undefined,\r
  63         X_XHR_progress    = X_XHR_w3c && X_XHR_w3c.onprogress !== undefined,\r
  64         X_XHR_upload      = X_XHR_w3c && !!X_XHR_w3c.upload,\r
  65         \r
  66         X_XHR_createXDR   = window[ 'XDomainRequest' ] && function(){ return X_XHR_xdr || ( X_XHR_xdr = new XDomainRequest() ); },\r
  67         X_XHR_xdr         = X_XHR_createXDR && X_XHR_createXDR(),\r
  68 \r
  69         X_XHR_msXMLVer    = 0,\r
  70         X_XHR_msXMLName   = '',\r
  71         X_XHR_msXML,\r
  72                 \r
  73         // ie11の互換モード(7,8)の msxml はいまいち動かない\r
  74         X_XHR_createMSXML = X_UA[ 'ActiveX' ] && ( X_UA[ 'IE5x' ] || X_UA[ 'IE6' ] || X_URL_IS_LOCAL ) &&\r
  75                                                         function(){ return X_Script_createActiveXObjectSafty( X_XHR_msXMLName ); },\r
  76 \r
  77 \r
  78         \r
  79         X_XHR_neverReuse  = X_UA[ 'IE' ] < 9, // ie7,8 の xhr はリユース不可。msxml はリユース可能。\r
  80         \r
  81         X_XHR_TYPE_FLASH  = 8,\r
  82         X_XHR_TYPE_GADGET = 16;\r
  83 \r
  84 if( X_XHR_createMSXML ){\r
  85         ( function(){\r
  86                 var x = '.XMLHTTP',\r
  87                         m = 'MSXML2' + x,\r
  88                         n = [ m + ".6.0", m + ".3.0", m + ".5.0", m + ".4.0", m, "Microsoft" + x ],\r
  89                         v = [ 6, 3, 5, 4, 2, 1 ],\r
  90                         i = -1,\r
  91                         a;\r
  92                 for( ; i < 5; ){\r
  93                         a = X_Script_createActiveXObjectSafty( n[ ++i ] );\r
  94                         if( a ){\r
  95                                 X_XHR_msXMLVer  = v[ i ];\r
  96                                 X_XHR_msXMLName = n[ i ];\r
  97                                 X_XHR_msXML     = a;\r
  98                                 return;\r
  99                         };\r
 100                 };\r
 101                 X_XHR_createMSXML = null;\r
 102         })();\r
 103 };\r
 104 \r
 105 X[ 'XHR' ] = {\r
 106 \r
 107         'W3C'         : X_XHR_createW3C   ? 1 : 0,\r
 108         'MSXML'       : X_XHR_createMSXML ? 2 : 0,\r
 109         'XDR'         : X_XHR_createXDR   ? 4 : 0,\r
 110 \r
 111 /*\r
 112  * http://hakuhin.jp/as/import.html\r
 113  * ファイルの読み込みについて(4 or 5 or 6+)\r
 114  * http://hakuhin.jp/as/javascript.html\r
 115  * Flash から JavaScript にアクセスする(3+)\r
 116  */\r
 117         'FLASH'       : 4 <= X_Pulgin_FLASH_VERSION ? 8 : 0,\r
 118         \r
 119         'GADGET'      : 5.5 <= X_UA[ 'IE' ] || !X_UA[ 'IE' ] ? 16 : 0,\r
 120 \r
 121 /**\r
 122  * https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
 123  * Progress Events      Chrome7, firefox3.5, ie10, opera12, Safari?, Chrome for Android 0.16\r
 124  */\r
 125         'PROGRESS'        : X_XHR_progress,\r
 126 \r
 127         'UPLOAD_PROGRESS' : X_XHR_upload,\r
 128 \r
 129         // or gadget proxy or flash\r
 130         'CORS'            : X_XHR_xdr || X_XHR_cors,\r
 131         \r
 132         'BINARY'          : X_Script_VBS_ENABLED\r
 133 };\r
 134 \r
 135 if( X_XHR_msXMLVer ) X[ 'XHR' ][ 'MSXML_VERSION' ] = X_XHR_msXMLVer;\r
 136 \r
 137 if( X_XHR_w3c || X_XHR_msXML ){\r
 138 \r
 139         X_TEMP.X_XHR_init = function(){\r
 140                 X_XHR = X_Class_override( X_EventDispatcher(), X_TEMP.X_XHR_params, true );\r
 141                 \r
 142                 delete X_TEMP.X_XHR_init;\r
 143                 delete X_TEMP.X_XHR_params;     \r
 144                 \r
 145                 return X_XHR;\r
 146         };\r
 147         \r
 148         X_TEMP.X_XHR_params = {\r
 149                         \r
 150                         '_rawType'   : X_EventDispatcher_EVENT_TARGET_XHR,\r
 151                         \r
 152                         _isXDR       : false,\r
 153                         _isMsXML     : false,\r
 154                         \r
 155                         _method      : '',\r
 156                         _dataType    : '',\r
 157                         _busy        : false,\r
 158                         _canceled    : false,\r
 159                         _error       : false,\r
 160                         _percent     : 0,\r
 161                         _timerID     : 0,\r
 162                         \r
 163                         load : function( obj ){\r
 164                                 var raw      = X_XHR[ '_rawObject' ],\r
 165                                         method   = obj[ 'method' ],\r
 166                                         url      = obj[ 'url' ],\r
 167                                         async    = obj[ 'async' ] !== false,\r
 168                                         username = obj[ 'username' ],\r
 169                                         password = obj[ 'password' ],\r
 170                                         headers  = obj[ 'headers' ] || {},\r
 171                                         postdata = obj[ 'postdata' ] || '',\r
 172                                         timeout  = obj[ 'timeout' ] || 20000,\r
 173                                         noCache  = obj[ 'cache' ] !== true,\r
 174                                         dataType = X_XHR._dataType = obj[ 'dataType' ],\r
 175                                         xDomain  = !X_URL_isSameDomain( url ),\r
 176                                         isFile   = X_URL_isLocal( url ),\r
 177                                         init,\r
 178                                         type, tmp, p;\r
 179                                 \r
 180                                 if( !raw || xDomain !== X_XHR._isXDR || ( X_XHR_createMSXML && isFile !== X_XHR._isMsXML ) ){\r
 181                                         raw && X_XHR[ 'unlisten' ]( [ 'load', 'readystatechange', 'progress', 'error', 'timeout' ] );\r
 182                                         init = true;\r
 183                                         X_XHR[ '_rawObject' ] = raw = xDomain ?\r
 184                                                                                                         ( X_XHR_cors ?\r
 185                                                                                                                 X_XHR_createW3C() :\r
 186                                                                                                                 X_XHR_createXDR()\r
 187                                                                                                         ) :\r
 188                                                                                                  isFile ?\r
 189                                                                                                         ( X_XHR_createMSXML ?\r
 190                                                                                                                 ( X_XHR_msXML = X_XHR_msXML || X_XHR_createMSXML() ):\r
 191                                                                                                                 X_XHR_createW3C()\r
 192                                                                                                          ) :\r
 193                                                                                                  X_XHR_createW3C ?\r
 194                                                                                                         X_XHR_createW3C() :\r
 195                                                                                                         ( X_XHR_msXML = X_XHR_msXML || X_XHR_createMSXML() );\r
 196 \r
 197                                         // raw === XDR これは　error になるのでフラグに控える\r
 198                                         X_XHR._isXDR   = X_XHR_createXDR && xDomain;\r
 199                                         X_XHR._isMsXML = !X_XHR_createW3C || ( isFile && X_XHR_createMSXML );\r
 200                                 };\r
 201                                 \r
 202                                 raw.open( method, url, async, username, password );\r
 203                                 \r
 204                                 if( raw.responseType !== undefined ){\r
 205                                         switch( dataType ){\r
 206                                                 case '' :\r
 207                                                 case 'text' :\r
 208                                                 // js, css\r
 209                                                         raw.responseType = 'text';\r
 210                                                         break;\r
 211                                                 case 'json' : // firefox9- は moz-json\r
 212                                                         raw.responseType = X_UA[ 'Gecko' ] < 10 ? 'moz-json' : X_UA[ 'Gecko' ] ? dataType : ''; // Iron 37 でエラー\r
 213                                                         break;\r
 214                                                 case 'document' :\r
 215                                                 case 'xml' :\r
 216                                                 case 'html' :\r
 217                                                 case 'htm' :\r
 218                                                 // svg\r
 219                                                         raw.responseType = 'document';\r
 220                                                         break;\r
 221                                                 case 'blob' :\r
 222                                                 case 'arraybuffer' :\r
 223                                                 // jpeg,jpg,png,gif,mp3,ogg...\r
 224                                                         raw.responseType = dataType;\r
 225                                                         break;\r
 226                                         };\r
 227                                 };\r
 228                                 \r
 229                                 // http://www.quirksmode.org/blog/archives/2005/09/xmlhttp_notes_r_1.html\r
 230                                 if( !X_XHR._isMsXML && raw.overrideMimeType ){\r
 231                                         type = X_URL_getEXT( url ) || dataType;\r
 232                                         switch( type ){\r
 233                                                 case 'html' :\r
 234                                                 case 'htm' :\r
 235                                                 case 'xml' :\r
 236                                                         tmp = 'text/xml';\r
 237                                                         break;\r
 238                                                 case 'json' :\r
 239                                                         tmp = 'application/json';\r
 240                                                         break;\r
 241                                                 case 'mp3' :\r
 242                                                         type = 'mpeg';  \r
 243                                                 case 'weba' :\r
 244                                                         type = type || 'webm';                  \r
 245                                                 case 'opus' :\r
 246                                                         type = type || 'ogg';\r
 247                                                 case 'ogg' :    \r
 248                                                 case 'wav' :                                            \r
 249                                                 case 'aac' :\r
 250                                                         tmp = 'audio/' + type;\r
 251                                                         break;\r
 252                                                 case 'm4a' :\r
 253                                                 case 'mp4' :\r
 254                                                         tmp = 'audio/x-' + type;\r
 255                                                         break;\r
 256                                                 case 'jpeg' :\r
 257                                                 case 'jpg' :\r
 258                                                 case 'png' :\r
 259                                                 case 'gif' :\r
 260                                                 case 'bmp' :\r
 261                                                 case 'ico' :\r
 262                                                         tmp = 'text/plain; charset=x-user-defined';\r
 263                                                         break;\r
 264                                                         \r
 265                                         };\r
 266                                         if( tmp = obj[ 'mimeType' ] || tmp ) raw.overrideMimeType( tmp );\r
 267                                 };\r
 268 \r
 269                                 if( !X_XHR._isXDR && ( X_XHR._isMsXML ? 3 <= X_XHR_msXMLVer : raw.setRequestHeader ) ){ // msxml は setRequestHeader getter がいけない\r
 270                                         \r
 271                                         /*\r
 272                                         if( noCache ){\r
 273                                                 headers[ 'Pragma' ] = 'no-cache';\r
 274                                                 headers[ 'Cache-Control' ] = 'no-cache';\r
 275                                                 headers[ 'If-Modified-Since' ] = 'Thu, 01 Jun 1970 00:00:00 GMT';\r
 276                                         } */\r
 277                 \r
 278                                         // http://nakigao.sitemix.jp/blog/?p=2040\r
 279                                         // 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
 280                                         if( dataType === 'json' ){\r
 281                                                 headers[ 'If-Modified-Since' ] = ( new Date ).toUTCString();\r
 282                                         };\r
 283                                         \r
 284                                         // http://boscono.hatenablog.com/entry/2013/12/23/152851\r
 285                                         if ( !xDomain && !headers[ 'X-Requested-With' ] ) {\r
 286                                                 headers[ 'X-Requested-With' ] = 'XMLHttpRequest';\r
 287                                         };\r
 288                                         \r
 289                                         if( method === 'POST' && !headers[ 'Content-Type' ] ){\r
 290                                                 headers[ 'Content-Type' ] = 'application/x-www-form-urlencoded';\r
 291                                         };\r
 292 \r
 293                                         \r
 294                                         for( p in headers ){\r
 295                                                 //if( X_EMPTY_OBJECT[ p ] ) continue;\r
 296                                                 //console.log( headers[ p ] );\r
 297                                                 headers[ p ] !== undefined && raw.setRequestHeader( p, headers[ p ] + '' ); // Opera8.01+, MSXML3+\r
 298                                         };\r
 299                                 };\r
 300                                 \r
 301                                 if( !X_XHR._isMsXML && raw.timeout !== undefined ){\r
 302                                         raw.timeout = timeout;\r
 303                                 } else {\r
 304                                         X_XHR._timerID = X_Timer_once( timeout, X_XHR.onTimeout );\r
 305                                 };      \r
 306                                 \r
 307                                 // 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
 308                                 X_XHR._busy = true;\r
 309 \r
 310                                 raw.send( X_Type_isString( postdata ) ? postdata : X_String_serialize( postdata ) );\r
 311 \r
 312                                 if( !async || raw.readyState === 4 ){\r
 313                                         X_Timer_once( 32, X_XHR, [ { type : 'readystatechange' } ] );\r
 314                                 } else\r
 315                                 if( init ){\r
 316                                         if( X_XHR._isMsXML ){\r
 317                                                 raw[ 'onreadystatechange' ] = X_XHR.handleEvent;\r
 318                                         } else\r
 319                                         if( X_XHR_progress || X_XHR._isXDR ){\r
 320                                                 X_XHR[ 'listen' ]( [ 'load', 'progress', 'error', 'timeout' ] ); //, 'abort'\r
 321                                         } else\r
 322                                         if( X_UA[ 'IE8' ] ){\r
 323                                                 X_XHR[ 'listen' ]( [ 'readystatechange', 'error', 'timeout' ] );\r
 324                                         } else\r
 325                                         if( X_UA[ 'IE7' ] ){\r
 326                                                 X_XHR[ 'listen' ]( [ 'readystatechange', 'error' ] );\r
 327                                         } else {\r
 328                                                 X_XHR[ 'listen' ]( [ 'load', 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
 329                                         };\r
 330                                 \r
 331                                         if( X_XHR_upload ){\r
 332                                                 raw.upload.addEventListener( 'progress', X_XHR.onUploadProgress );\r
 333                                         };\r
 334                                 };\r
 335                         },\r
 336                         \r
 337                         cancel : function(){\r
 338                                 /* X_XHR[ '_rawObject' ].abort && */ X_XHR[ '_rawObject' ].abort();\r
 339                                 X_XHR._canceled = true;\r
 340                         },\r
 341                         \r
 342                         reset : function(){\r
 343                                 \r
 344                                 X_XHR._method   = X_XHR._dataType = '';\r
 345                                 X_XHR._canceled = X_XHR._busy = X_XHR._error = false;\r
 346                                 X_XHR._timerID && X_Timer_remove( X_XHR._timerID );\r
 347                                 X_XHR._percent  = X_XHR._timerID = 0;\r
 348                                 \r
 349                                 // XMLHttpRequest の使い方\r
 350                                 // http://webos-goodies.jp/archives/50548720.html\r
 351                                 // 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
 352                                 /* X_XHR[ '_rawObject' ].abort && */ X_XHR[ '_rawObject' ].abort();     \r
 353                                 \r
 354                                 // XMLHttpRequest で順番にリソースを取得する\r
 355                                 // http://note.chiebukuro.yahoo.co.jp/detail/n16248\r
 356                                 // 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
 357                                 \r
 358                                 // \r
 359                                 // domes.lingua.heliohost.org/dom-intro/load-save2.html\r
 360                                 // 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
 361                                 // 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
 362                                 \r
 363                                 // Timeout した Gecko の xhr.response に触るとエラー??\r
 364 \r
 365                                 if( X_XHR._error || ( X_XHR_neverReuse && !X_XHR._isMsXML ) ){\r
 366                                         \r
 367                                         if( X_XHR_upload ){\r
 368                                                 X_XHR_w3c.upload.removeEventListener( 'progress', X_XHR.onUploadProgress );\r
 369                                         };\r
 370 \r
 371                                         // 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
 372                                         // ie7モード(IE11) では再利用可能、、、\r
 373                                                                                 \r
 374                                         X_EventDispatcher_toggleAllEvents( X_XHR, false );\r
 375                                         X_XHR[ '_rawObject' ] = null;\r
 376                                         \r
 377                                         if( X_XHR._isXDR ){\r
 378                                                 X_XHR_xdr   = null;\r
 379                                                 delete X_XHR._isXDR;\r
 380                                         } else {\r
 381                                                 X_XHR_w3c   = null;\r
 382                                         };                              \r
 383 \r
 384                                         X_XHR[ 'unlisten' ]( [ 'load', 'readystatechange', 'progress', 'error', 'timeout' ] );\r
 385                                 };\r
 386                         },\r
 387                         \r
 388                         handleEvent : function( e ){\r
 389                                 var raw  = X_XHR[ '_rawObject' ],\r
 390                                         live = !X_XHR._canceled,\r
 391                                         headers, status, text, data;\r
 392 \r
 393                                 switch( e && e.type || 'readystatechange' ){\r
 394                                         /*\r
 395                                          * http://memopad.bitter.jp/w3c/ajax/ajax_xmlhttprequest_onreadystatechange.html\r
 396                                         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
 397                                         0: リクエストは初期化されていない\r
 398                                         1: サーバ接続は確立した\r
 399                                         2: リクエストを受信した\r
 400                                         3: リクエストの処理中\r
 401                                         4: リクエストは終了してレスポンスの準備が完了\r
 402                                         status  200: "OK"\r
 403                                         404: Page not found\r
 404                                         \r
 405                                         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
 406                                         http://www.semblog.org/msano/archives/000407.html\r
 407                                         * */            \r
 408                                         case 'readystatechange' :\r
 409                                                 //if( !X.XHR.PROGRESS ){\r
 410                                                         switch( raw.readyState ){\r
 411                                                                 case 0 :\r
 412                                                                 case 1 :\r
 413                                                                         return;\r
 414                                                                 case 2 : // 0% ajaxstart\r
 415                                                                         live && X_XHR[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : 0 } );\r
 416                                                                         return;\r
 417                                                                 case 3 :\r
 418                                                                         live && X_XHR[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : X_XHR._percent < 99.9 ? 99.9 : ( X_XHR._percent + 100 ) / 2 } );\r
 419                                                                         // 99.9%\r
 420                                                                         return;\r
 421                                                                 case 4 :\r
 422                                                                         if( X_XHR._percent === 100 ) return; // Opera8 readystatechange が2重に発生\r
 423                                                                         // 100%\r
 424                                                                         break; // load へ\r
 425                                                                 default :\r
 426                                                                         // error\r
 427                                                                         return;\r
 428                                                         };                                              \r
 429                                                 //};\r
 430         \r
 431                                         case 'load' :\r
 432 \r
 433                                                 if( !X_XHR._busy ) return;\r
 434                                                 \r
 435                                                 X_XHR._percent = 100;\r
 436                                                 X_XHR._busy    = false;\r
 437                                                 status        = raw.status;\r
 438                                                 \r
 439                                                 // TODO GET_FULL_HEADERS\r
 440                                                 // https://msdn.microsoft.com/en-us/library/ms766595%28v=vs.85%29.aspx\r
 441                                                 // Implemented in: MSXML 3.0 and MSXML 6.0\r
 442                                                 if( X_XHR._isXDR ){\r
 443                                                         headers = { 'Content-Type' : raw.contentType };\r
 444                                                 } else\r
 445                                                 if( ( X_XHR._isMsXML ? 3 <= X_XHR_msXMLVer : raw.setRequestHeader ) && ( headers = raw.getAllResponseHeaders() ) ){\r
 446                                                         headers = X_XHR_parseResponseHeaders( headers );\r
 447                                                 };\r
 448                                                 \r
 449                                                 // https://code.google.com/p/fakeworker-js/source/browse/src/javascript/fakeworker.js\r
 450                                                 if(\r
 451                                                         ( !status && location.protocol === 'file:' ) ||\r
 452                                                         // IE 6.0 でローカルファイルにアクセスした\r
 453                                                         ( status < 100 && ( status = 200 ) ) ||\r
 454                                             ( 200 <= status && status < 400 ) ||\r
 455                                             //status === 304 ||\r
 456                                             ( status === 1223 && ( status = 204 ) ) ||\r
 457                                             ( X_UA[ 'Webkit' ] && status === undefined ) // safari: /webkit/.test(userAgent)\r
 458                                                 ){\r
 459                                                         /*\r
 460                                                          * opera8, safari2, khtml3 で utf8 日本語文字列の文字化け\r
 461                                                          * \r
 462                                                          * http://www.kawa.net/works/js/jkl/parsexml.html\r
 463                                                         \r
 464                                                         text = raw[ 'responseText' ];\r
 465                                                     //  Safari and Konqueror cannot understand the encoding of text files.\r
 466                                                     if( text && ( X_UA[ 'Webkit' ] < 420 || X_UA[ 'KHTML' ] < 4 ) ){\r
 467                                                         text = escape( text );\r
 468                                                         if ( !text.match( '%u' ) && esc.match( '%' ) ){\r
 469                                                             text = decodeURIComponent( text );\r
 470                                                         };\r
 471                                                     };\r
 472                                                          */\r
 473                                                         \r
 474                                                         // parse json, html, xml, text, script, css\r
 475                                                         switch( X_XHR._dataType ){\r
 476                                                                 case '' :\r
 477                                                                 case 'text' :\r
 478                                                                         data = raw[ 'responseText' ];\r
 479                                                                         break;\r
 480                                                                 case 'json' :\r
 481                                                                 case 'moz-json' :\r
 482                                                                         data = raw[ 'response' ] || raw[ 'responseText' ];\r
 483                                                                         // 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
 484                                                                         // XDomain な XHR の際は Flash 等で代替し、その中に Json parser も組み込む。\r
 485                                                                         // http://d.hatena.ne.jp/sshi/20060904/p1\r
 486                                                                         if( !X_Type_isObject( data ) ) data = X_JSON_parseTrustableString( data );\r
 487                                                                         break;\r
 488                                                                 case 'document' :\r
 489                                                                 case 'xml' :\r
 490                                                                 case 'html' :\r
 491                                                                 case 'htm' :\r
 492                                                                 // svg, vml, xaml, xul, mxml ??\r
 493                                                                         data = raw[ 'responseXML' ] || raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 494                                                                         break;\r
 495                                                                 case 'blob' :\r
 496                                                                 case 'arraybuffer' :\r
 497                                                                         // TODO resoponceBody if( X_UA[ 'IE' ] < 10 )\r
 498                                                                         // http://d.hatena.ne.jp/maachang/20130221/1361427565\r
 499                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 500                                                                         break;\r
 501                                                         };\r
 502                                                         X_XHR[ 'asyncDispatch' ]( 32, { type : X_EVENT_SUCCESS, status : status || 200, response : data, 'headers' : headers || null } );\r
 503                                                 } else {\r
 504                                                         X_XHR[ 'asyncDispatch' ]( 32, { type : X_EVENT_ERROR, status : status || 400, 'headers' : headers || null } );\r
 505                                                 };\r
 506                                                 break;\r
 507                                         \r
 508                                         case 'progress' :\r
 509                                                 if( e.lengthComputable ){\r
 510                                                         X_XHR._percent = e.loaded / e.total * 100;\r
 511                                                         live && X_XHR._percent < 100 && X_XHR[ 'asyncDispatch' ]( { type : X_EVENT_PROGRESS, 'percent' : X_XHR._percent } );\r
 512                                                 };\r
 513                                                 break;\r
 514                                         \r
 515                                         case 'error' :\r
 516                                         //console.dir( e );\r
 517                                                 X_XHR._busy  = false;\r
 518                                                 X_XHR._error = X_UA[ 'Opera' ] || X_UA[ 'Webkit' ] ;\r
 519                                                 live && X_XHR[ 'asyncDispatch' ]( 32, { type : X_EVENT_ERROR, status : raw.status } );\r
 520                                                 break;\r
 521 \r
 522                                         case 'timeout' : // Gecko 12.0 https://developer.mozilla.org/ja/docs/XMLHttpRequest/Synchronous_and_Asynchronous_Requests\r
 523                                                 X_XHR._busy  = false;\r
 524                                                 X_XHR._error = !!X_UA[ 'Gecko' ];\r
 525                                                 X_XHR[ 'asyncDispatch' ]( { type : X_EVENT_ERROR, 'timeout' : true, status : 408 } );\r
 526                                                 break;\r
 527                                 };\r
 528                         },\r
 529 \r
 530 /*\r
 531  * http://www.kawa.net/works/js/jkl/parsexml.html\r
 532  * \r
 533 // ================================================================\r
 534 //  method: documentElement()\r
 535 //  return: XML DOM in response body\r
 536 \r
 537 JKL.ParseXML.HTTP.prototype.documentElement = function() {\r
 538     // debug.print( "documentElement: "+this.req );\r
 539     if ( ! this.req ) return;\r
 540     if ( this.req.responseXML ) {\r
 541         return this.req.responseXML.documentElement;    // XMLHTTPRequest\r
 542     } else {\r
 543         return this.req.documentElement;                // IXMLDOMDocument\r
 544     }\r
 545 };\r
 546  */\r
 547                 \r
 548                         onTimeout : function(){\r
 549                                 var raw  = X_XHR[ '_rawObject' ],\r
 550                                         live = !X_XHR._canceled || !X_XHR._busy;\r
 551 \r
 552                                 if( live || raw.readyState < 3 ){\r
 553                                         X_XHR._busy = false;\r
 554                                         live && X_XHR[ 'asyncDispatch' ]( { type : X_EVENT_ERROR, 'timeout' : true, status : 408 } );\r
 555                                 };\r
 556                                 X_XHR._timerID = 0;\r
 557                         },\r
 558                         \r
 559                         onUploadProgress : X_XHR_upload && function( e ){\r
 560                                 !X_XHR._canceled &&\r
 561                                         X_XHR[ 'asyncDispatch' ]( {\r
 562                                                 type            : X_EVENT_PROGRESS,\r
 563                                                 'percent'       : X_XHR._percent,\r
 564                                                 'uploadPercent' : e.loaded / e.total * 100\r
 565                                         } );\r
 566                         }\r
 567                 };\r
 568         // 同期リクエストでなければならない場合, unload, beforeunload時\r
 569 };\r
 570 /*\r
 571  * https://gist.github.com/mmazer/5404301\r
 572  * \r
 573  * XmlHttpRequest's getAllResponseHeaders() method returns a string of response\r
 574  * headers according to the format described here:\r
 575  * http://www.w3.org/TR/XMLHttpRequest/#the-getallresponseheaders-method\r
 576  * This method parses that string into a user-friendly key/value pair object.\r
 577  * \r
 578  * http://hakuhin.jp/js/xmlhttprequest.html#XHR_GET_ALL_RESPONSE_HEADERS\r
 579  * 複数の情報が存在する場合、改行で区切られています。\r
 580  */\r
 581 \r
 582 function X_XHR_parseResponseHeaders( headerStr ){\r
 583         var headers = {}, headerPairs, i = 0, l, headerPair, index, key, val;\r
 584         \r
 585         if( !headerStr ) return headers;\r
 586 \r
 587         headerPairs = headerStr.split( '\u000d\u000a' );\r
 588         for( l = headerPairs.length; i < l ; ++i ){\r
 589                 headerPair = headerPairs[i];\r
 590                 index      = headerPair.indexOf( '\u003a\u0020' );\r
 591                 if( index > 0 ){\r
 592                         key = headerPair.substring( 0, index );\r
 593                         val = headerPair.substring( index + 2 );\r
 594                         headers[ key ] = val.split( '\r\n' ).join( '\n' ).split( '\n' );\r
 595                 };\r
 596         };\r
 597         return headers;\r
 598 };\r
 599 \r