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Add Star\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 var X_Net_XHR_W3C      = ( !X_UA.IE7 || !X_URL_IS_LOCAL ) && window[ 'XMLHttpRequest' ] && new XMLHttpRequest(),\r
  30         X_Net_XHR_X_DOMAIN = window[ 'XDomainRequest' ] && new XDomainRequest(),\r
  31         X_Net_XHR_VERSION  = 0,\r
  32         X_Net_XHR_ACTIVE_X = !X_UA.IE4 && X_UA.IE < 8 && X_UA.ActiveX && ( new Function( [\r
  33                 'var x=".XMLHTTP",',\r
  34                         'm="MSXML2"+x,',\r
  35                         'n=[m+".6.0",m+".3.0",m+".5.0",m+".4.0",m,"Microsoft"+x],',\r
  36                         'v=[6,3,5,4,2,1],',\r
  37                         'i=-1;',\r
  38                 'for(;i<5;){',\r
  39                         'try{',\r
  40                                 'return[v[++i],new ActiveXObject(n[i])]',\r
  41                         '}catch(e){return false}',\r
  42                 '}'\r
  43         ].join( '' ) ) )();\r
  44 \r
  45 if( X_Net_XHR_ACTIVE_X ){\r
  46         X_Net_XHR_VERSION  = X_Net_XHR_ACTIVE_X[ 0 ];\r
  47         X_Net_XHR_ACTIVE_X = X_Net_XHR_ACTIVE_X[ 1 ];\r
  48 };\r
  49 \r
  50 X.Net.XHR = {\r
  51         // Opera7.6+, Safari1.2+, khtml3.?+, Gecko0.9.7+\r
  52         W3C         : !!X_Net_XHR_W3C,\r
  53 \r
  54         X_DOMAIN    : !!X_Net_XHR_X_DOMAIN,\r
  55         \r
  56         // ie7 ではローカルリソースには ActiveX の XHR を使う\r
  57         ACTIVE_X    : !!X_Net_XHR_ACTIVE_X,\r
  58 \r
  59 /*\r
  60  * http://hakuhin.jp/as/import.html\r
  61  * ファイルの読み込みについて(4 or 5 or 6+)\r
  62  * http://hakuhin.jp/as/javascript.html\r
  63  * Flash から JavaScript にアクセスする(3+)\r
  64  */\r
  65         FLASH       : false,\r
  66 \r
  67 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
  68 // Progress Events      Chrome7, firefox3.5, ie10, opera12, Safari?, Chrome for Android 0.16\r
  69         PROGRESS    : false, //\r
  70 \r
  71         UL_PROGRESS : false,\r
  72 \r
  73         CANCELABLE  : false,\r
  74         \r
  75         TIMEOUT     : false\r
  76 \r
  77 };\r
  78 \r
  79 if( X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X ){\r
  80         \r
  81         X_NET_XHRWrapper = X_Class_override(\r
  82                 new X.EventDispatcher(),\r
  83                 {\r
  84                                                 \r
  85                         _rawObject : X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X,\r
  86                         _isXHR     : true,  // X.EventDispatcher で使用 for ie8-\r
  87                         _isXDR     : false, // for ie8\r
  88                         \r
  89                         _method    : '',\r
  90                         _type      : '',\r
  91                         _busy      : false,\r
  92                         _canceled  : false,\r
  93                         _percent   : 0,\r
  94                         _timerID   : 0,\r
  95                         \r
  96                         load : function( obj ){\r
  97                                 var raw      = this._rawObject,\r
  98                                         method   = obj[ 'method' ],\r
  99                                         url      = obj[ 'url' ],\r
 100                                         async    = obj[ 'async' ],\r
 101                                         user     = obj[ 'user' ],\r
 102                                         password = obj[ 'password' ],\r
 103                                         headers  = obj[ 'headers' ],\r
 104                                         postbody = obj[ 'postbody' ],\r
 105                                         timeout  = obj[ 'timeout' ] || 20000,\r
 106                                         temp;\r
 107                                 \r
 108                                 if( obj[ 'type' ] ){\r
 109                                         this._type = obj[ 'type' ];\r
 110                                 } else {\r
 111                                         temp = X_URL_cleanup( url ).split( '.' );\r
 112                                         if( 2 <= temp.length ){\r
 113                                                 this._type = temp[ temp.length - 1 ].toLowerCase();\r
 114                                         };\r
 115                                 };\r
 116                                 \r
 117                                 if( X_Net_XHR_X_DOMAIN ){\r
 118                                         if( X_URL_isSameDomain( url ) ){ // isXDomain\r
 119                                                 if( this._isXDR ){\r
 120                                                         X_EventDispatcher_toggleAllEvents( this, false );\r
 121                                                         this._rawObject = X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X;\r
 122                                                         X_EventDispatcher_toggleAllEvents( this, true );\r
 123                                                         this._isXDR = false;                                                    \r
 124                                                 };\r
 125                                         } else {\r
 126                                                 if( !this._isXDR ){\r
 127                                                         X_EventDispatcher_toggleAllEvents( this, false );\r
 128                                                         this._rawObject = X_Net_XHR_X_DOMAIN;\r
 129                                                         X_EventDispatcher_toggleAllEvents( this, true );\r
 130                                                         this._isXDR = true;                                                     \r
 131                                                 };\r
 132                                         };\r
 133                                 };\r
 134                                 \r
 135                                 raw.open( method, url, true );\r
 136                                 \r
 137                                 if( raw.responseType !== undefined ){\r
 138                                         switch( this._type ){\r
 139                                                 case '' :\r
 140                                                 case 'text' :\r
 141                                                 // js, css\r
 142                                                         raw.responseType = 'text';\r
 143                                                         break;\r
 144                                                 case 'json' :\r
 145                                                 case 'moz-json' :\r
 146                                                         raw.responseType = this._type;\r
 147                                                         break;\r
 148                                                 case 'document' :\r
 149                                                 case 'xml' :\r
 150                                                 case 'html' :\r
 151                                                 case 'htm' :\r
 152                                                 // svg\r
 153                                                         raw.responseType = 'document';\r
 154                                                         break;\r
 155                                                 case 'blob' :\r
 156                                                 case 'arraybuffer' :\r
 157                                                 // jpeg,jpg,png,gif,mp3,ogg...\r
 158                                                         raw.responseType = this._type;\r
 159                                                         break;\r
 160                                         };\r
 161                                 };\r
 162                                 \r
 163                                 // http://www.quirksmode.org/blog/archives/2005/09/xmlhttp_notes_r_1.html\r
 164                                 // raw.overrideMimeType()\r
 165                                 if( !X_Net_XHR_ACTIVE_X && X.Type.isFunction( raw.setRequestHeader ) ){\r
 166                                         for( p in headers ){\r
 167                                                 raw.setRequestHeader( p, headers[ p ] ); // Opera8.01+, MSXML3+\r
 168                                         };              \r
 169                                 };\r
 170                                 \r
 171                                 if( raw.timeout !== undefined ){\r
 172                                         raw.timeout = timeout;\r
 173                                 } else {\r
 174                                         //this._timerID = X.Timer.once( timeout, this, this.onTimeout );\r
 175                                 };      \r
 176                                 \r
 177                                 // 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
 178                                 this._busy = true;\r
 179                                 \r
 180 \r
 181                                 //raw.send( postbody || '' );\r
 182                                 this._timerID = X.Timer.once( 16, this, this._lazySend, [ postbody || '', timeout ] );\r
 183                         },\r
 184                         \r
 185                         // send() 内で onload するケースがあり、そのときはイベントリスナが間に合わないので、タイマーをかませる。\r
 186                         _lazySend : function( postbody, timeout ){\r
 187                                 if( this._rawObject.timeout === undefined ){\r
 188                                         this._timerID = X.Timer.once( timeout, this, this.onTimeout );\r
 189                                 } else {\r
 190                                         this._timerID = 0;\r
 191                                 };\r
 192                                 \r
 193                                 // http://allabout.co.jp/gm/gc/24097/#1\r
 194                                 // sendをonreadystatechangeの前に記述すると、ieでは動作しなくなります、、、。\r
 195                                 // konquerorでエラーが発生するのでここでは、とりあえず、send('') としました。\r
 196                                 this._rawObject.send( postbody );                               \r
 197                         },\r
 198                         \r
 199                         cancel : function(){\r
 200                                 /* X.Net.XHR.CANCELABLE && */ this._rawObject.abort && this._rawObject.abort();\r
 201                                 this._canceled = true;\r
 202                                 this.asyncDispatch( X.Event.CANCELED );\r
 203                         },\r
 204                         \r
 205                         reset : function(){\r
 206                                 // XMLHttpRequest で順番にリソースを取得する\r
 207                                 // http://note.chiebukuro.yahoo.co.jp/detail/n16248\r
 208                                 // TODO 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
 209                                 \r
 210                                 // \r
 211                                 // domes.lingua.heliohost.org/dom-intro/load-save2.html\r
 212                                 // 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
 213                                 // 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
 214                                 if( X_UA.Opera || X_UA.Webkit ){\r
 215                                         \r
 216                                 };\r
 217 \r
 218                                 // XMLHttpRequest の使い方\r
 219                                 // http://webos-goodies.jp/archives/50548720.html\r
 220                                 // 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
 221                                 this._rawObject.abort && this._rawObject.abort();\r
 222 \r
 223                                 this._method   = this._type = '';\r
 224                                 this._canceled = this._busy = false;\r
 225                                 this._timerID && X.Timer.remove( this._timerID );\r
 226                                 this._percent  = this._timerID = 0;\r
 227                         },\r
 228                         \r
 229                         handleEvent : function( e ){\r
 230                                 var raw  = this._rawObject,\r
 231                                         live = !this._canceled,\r
 232                                         status, data;\r
 233 \r
 234                                 switch( e.type ){\r
 235                                         /*\r
 236                                          * http://memopad.bitter.jp/w3c/ajax/ajax_xmlhttprequest_onreadystatechange.html\r
 237                                         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
 238                                         0: リクエストは初期化されていない\r
 239                                         1: サーバ接続は確立した\r
 240                                         2: リクエストを受信した\r
 241                                         3: リクエストの処理中\r
 242                                         4: リクエストは終了してレスポンスの準備が完了\r
 243                                         status  200: "OK"\r
 244                                         404: Page not found\r
 245                                         \r
 246                                         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
 247                                         http://www.semblog.org/msano/archives/000407.html\r
 248                                         * */            \r
 249                                         case 'readystatechange' :\r
 250                                                 //if( !X.Net.XHR.PROGRESS ){\r
 251                                                         switch( raw.readyState ){\r
 252                                                                 case 0 :\r
 253                                                                 case 1 :\r
 254                                                                         return;\r
 255                                                                 case 2 : // 0% ajaxstart\r
 256                                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : 0 } );\r
 257                                                                         return;\r
 258                                                                 case 3 :\r
 259                                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : this._percent < 99.9 ? 99.9 : ( this._percent + 100 ) / 2 } );\r
 260                                                                         // 99.9%\r
 261                                                                         return;\r
 262                                                                 case 4 :\r
 263                                                                         if( this._percent === 100 ) return; // Opera8 readystatechange が2重に発生\r
 264                                                                         // 100%\r
 265                                                                         break; // load へ\r
 266                                                                 default :\r
 267                                                                         // error\r
 268                                                                         return;\r
 269                                                         };                                              \r
 270                                                 //};\r
 271         \r
 272                                         case 'load' :\r
 273                                                 \r
 274                                                 if( !live ) return this.reset();\r
 275                                                 if( this._percent === 100 ) return;\r
 276                                                 \r
 277                                                 \r
 278                                                 this._percent = 100;\r
 279                                                 this._busy    = false;\r
 280                                                 status        = raw.status;\r
 281                                                 \r
 282                                                 // https://code.google.com/p/fakeworker-js/source/browse/src/javascript/fakeworker.js\r
 283                                                 if(\r
 284                                                         ( !status && location.protocol === 'file:' ) ||\r
 285                                                         // IE 6.0 でローカルファイルにアクセスした\r
 286                                                         ( status < 100 ) ||\r
 287                                             ( 200 <= status && status < 400 ) ||\r
 288                                             //status === 304 ||\r
 289                                             status === 1223 ||\r
 290                                             ( X_UA.Webkit && status === undefined ) // safari: /webkit/.test(userAgent)\r
 291                                                 ){\r
 292                                                         /*\r
 293                                                          * opera8, safari2, khtml3 で utf8 日本語文字列の文字化け\r
 294                                                          */\r
 295                                                         // raw.getAllResponseHeaders();\r
 296                                                         \r
 297                                                         // parse json, html, xml, text, script, css\r
 298                                                         switch( this._type ){\r
 299                                                                 case '' :\r
 300                                                                 case 'text' :\r
 301                                                                         data = raw[ 'responseText' ];\r
 302                                                                         break;\r
 303                                                                 case 'json' :\r
 304                                                                 case 'moz-json' :\r
 305                                                                         data = raw[ 'response' ] ||\r
 306                                                                                 ( window.JSON ? JSON.parse( raw[ 'responseText' ] ) : eval( '(' + raw[ 'responseText' ] + ')' ) ); // http://d.hatena.ne.jp/sshi/20060904/p1\r
 307                                                                         break;\r
 308                                                                 case 'document' :\r
 309                                                                 case 'xml' :\r
 310                                                                 case 'html' :\r
 311                                                                 case 'htm' :\r
 312                                                                 // svg, vml, xaml\r
 313                                                                         data = raw[ 'responseXML' ] || raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 314                                                                         break;\r
 315                                                                 case 'blob' :\r
 316                                                                 case 'arraybuffer' :\r
 317                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 318                                                                         break;\r
 319                                                         };\r
 320 \r
 321                                                         this.asyncDispatch( { type : X.Event.SUCCESS, status : status || 200, data : data } );                                                  \r
 322                                                 } else {\r
 323                                                         live && this.asyncDispatch( { type : X.Event.ERROR, status : raw.status || 0, percent : 100 } );\r
 324                                                 };\r
 325                                                 break;\r
 326                                         \r
 327                                         case 'progress' :\r
 328                                                 if( e.lengthComputable ){\r
 329                                                         this._percent = e.loaded / e.total;\r
 330                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : this._percent } );\r
 331                                                 };\r
 332                                                 break;\r
 333                                         \r
 334                                         case 'error' :\r
 335                                         //console.dir( e );\r
 336                                                 this._busy = false;\r
 337                                                 live && this.asyncDispatch( { type : X.Event.ERROR, status : raw.status } );\r
 338                                                 break;\r
 339 \r
 340                                         case 'timeout' : // Gecko 12.0 https://developer.mozilla.org/ja/docs/XMLHttpRequest/Synchronous_and_Asynchronous_Requests\r
 341                                                 this._busy = false;\r
 342                                                 this.asyncDispatch( X.Event.TIMEOUT );\r
 343                                                 break;\r
 344                                 };\r
 345                         },\r
 346                         \r
 347                         onTimeout : function(){\r
 348                                 var raw  = this._rawObject,\r
 349                                         live = !X_NET_XHRWrapper._canceled || !this._busy;\r
 350 \r
 351                                 if( raw.readyState < 3 ){\r
 352                                         this._busy = false;\r
 353                                         live && this.asyncDispatch( X.Event.TIMEOUT );\r
 354                                 };\r
 355                                 this._timerID = 0;\r
 356                         },\r
 357                         \r
 358                         onUploadProgress : X.Net.XHR.UL_PROGRESS && function( e ){\r
 359                                 var raw  = X_NET_XHRWrapper._rawObject.upload,\r
 360                                         live = !X_NET_XHRWrapper._canceled,\r
 361                                         states, data;\r
 362                         }\r
 363                 },\r
 364                 true\r
 365         );\r
 366         // 同期リクエストでなければならない場合, unload, beforeunload時\r
 367 \r
 368         if( X_UA.IE8 ){\r
 369                 X_NET_XHRWrapper.listen( [ 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
 370         } else\r
 371         if( X_UA.IE7 ){\r
 372                 if( X_URL_IS_LOCAL ){\r
 373                         X_NET_XHRWrapper.listen( 'readystatechange' ); // ie7 ActiveX の場合、error は不可\r
 374                 } else {\r
 375                         X_NET_XHRWrapper.listen( [ 'readystatechange', 'error' ] );\r
 376                 };\r
 377         } else\r
 378         if( X_Net_XHR_ACTIVE_X ){ // win ie5-6\r
 379                 X_NET_XHRWrapper.listen( 'readystatechange' );\r
 380         } else \r
 381         if( X.Net.XHR.PROGRESS ){\r
 382                 X_NET_XHRWrapper.listen( [ 'load', 'progress', 'error', 'timeout' ] ); //, 'abort'\r
 383         } else {\r
 384                 X_NET_XHRWrapper.listen( [ 'load', 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
 385         };\r
 386         \r
 387         if( X_NET_XHRWrapper.onUploadProgress ){\r
 388                 X_NET_XHRWrapper._rawObject.upload.addEventListener( 'progress', X_NET_XHRWrapper.onUploadProgress );\r
 389         };\r
 390 };\r
 391 \r