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  */\r
  22 var X_Net_XHR_W3C      = ( !X_UA.IE7 || !X_URL_IS_LOCAL ) && window[ 'XMLHttpRequest' ] && new XMLHttpRequest(),\r
  23         X_Net_XHR_X_DOMAIN = window[ 'XDomainRequest' ] && new XDomainRequest(),\r
  24         X_Net_XHR_VERSION  = 0,\r
  25         X_Net_XHR_ACTIVE_X = !X_UA.IE4 && X_UA.IE < 8 && X_UA.ActiveX && ( new Function( [\r
  26                 'var x=".XMLHTTP",',\r
  27                         'm="MSXML2"+x,',\r
  28                         'n=[m+".6.0",m+".3.0",m+".5.0",m+".4.0",m,"Microsoft"+x],',\r
  29                         'v=[6,3,5,4,2,1],',\r
  30                         'i=-1;',\r
  31                 'for(;i<5;){',\r
  32                         'try{',\r
  33                                 'return[v[++i],new ActiveXObject(n[i])]',\r
  34                         '}catch(e){return false}',\r
  35                 '}'\r
  36         ].join( '' ) ) )();\r
  37 \r
  38 if( X_Net_XHR_ACTIVE_X ){\r
  39         X_Net_XHR_VERSION  = X_Net_XHR_ACTIVE_X[ 0 ];\r
  40         X_Net_XHR_ACTIVE_X = X_Net_XHR_ACTIVE_X[ 1 ];\r
  41 };\r
  42 \r
  43 X.Net.XHR = {\r
  44         // Opera7.6+, Safari1.2+, khtml3.?+, Gecko0.9.7+\r
  45         W3C         : !!X_Net_XHR_W3C,\r
  46 \r
  47         X_DOMAIN    : !!X_Net_XHR_X_DOMAIN,\r
  48 \r
  49         ACTIVE_X    : !!X_Net_XHR_ACTIVE_X,\r
  50 \r
  51 /*\r
  52  * http://hakuhin.jp/as/import.html\r
  53  * ファイルの読み込みについて(4 or 5 or 6+)\r
  54  * http://hakuhin.jp/as/javascript.html\r
  55  * Flash から JavaScript にアクセスする(3+)\r
  56  */\r
  57         FLASH       : false,\r
  58         \r
  59 \r
  60 // ie7 ではローカルリソースには ActiveX の XHR を使う\r
  61 \r
  62 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
  63 // Progress Events      Chrome7, firefox3.5, ie10, opera12, Safari?, Chrome for Android 0.16\r
  64         PROGRESS    : false, //\r
  65 \r
  66         UL_PROGRESS : false,\r
  67 \r
  68         CANCELABLE  : false,\r
  69         \r
  70         TIMEOUT     : false\r
  71 \r
  72 };\r
  73 \r
  74 if( X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X ){\r
  75         \r
  76         X_NET_XHRWrapper = X_Class_override(\r
  77                 new X.EventDispatcher(),\r
  78                 {\r
  79                                                 \r
  80                         _rawObject : X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X,\r
  81                         _isXHR     : true,  // X.EventDispatcher で使用 for ie8-\r
  82                         _isXDR     : false, // for ie8\r
  83                         \r
  84                         _method    : '',\r
  85                         _type      : '',\r
  86                         _busy      : false,\r
  87                         _canceled  : false,\r
  88                         _percent   : 0,\r
  89                         _timerID   : 0,\r
  90                         \r
  91                         load : function( obj ){\r
  92                                 var raw      = this._rawObject,\r
  93                                         method   = obj[ 'method' ],\r
  94                                         url      = obj[ 'url' ],\r
  95                                         async    = obj[ 'async' ],\r
  96                                         user     = obj[ 'user' ],\r
  97                                         password = obj[ 'password' ],\r
  98                                         headers  = obj[ 'headers' ],\r
  99                                         postbody = obj[ 'postbody' ],\r
 100                                         timeout  = obj[ 'timeout' ] || 20000,\r
 101                                         temp;\r
 102                                 \r
 103                                 if( obj[ 'type' ] ){\r
 104                                         this._type = obj[ 'type' ];\r
 105                                 } else {\r
 106                                         temp = url.split( '#' )[ 0 ].split( '?' )[ 0 ].split( '.' );\r
 107                                         if( 2 <= temp.length ){\r
 108                                                 this._type = temp[ temp.length - 1 ].toLowerCase();\r
 109                                         };\r
 110                                 };\r
 111                                 \r
 112                                 // TODO ie7 http://127.0.0.1 に対しては ActiveX を使う, onerror は不可\r
 113                                 \r
 114                                 if( X_Net_XHR_X_DOMAIN ){\r
 115                                         if( false /* isXDomain( url ) */ ){ // isXDomain\r
 116                                                 if( !this._isXDR ){\r
 117                                                         X_EventDispatcher_toggleAllEvents( this, false );\r
 118                                                         this._rawObject = X_Net_XHR_X_DOMAIN;\r
 119                                                         X_EventDispatcher_toggleAllEvents( this, true );\r
 120                                                         this._isXDR = true;\r
 121                                                 };\r
 122                                         } else {\r
 123                                                 if( this._isXDR ){\r
 124                                                         X_EventDispatcher_toggleAllEvents( this, false );\r
 125                                                         this._rawObject = X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X;\r
 126                                                         X_EventDispatcher_toggleAllEvents( this, true );\r
 127                                                         this._isXDR = false;\r
 128                                                 };\r
 129                                         };\r
 130                                 };\r
 131                                 \r
 132                                 raw.open( method, url, true );\r
 133                                 \r
 134                                 if( raw.responseType !== undefined ){\r
 135                                         switch( this._type ){\r
 136                                                 case '' :\r
 137                                                 case 'text' :\r
 138                                                         raw.responseType = 'text';\r
 139                                                         break;\r
 140                                                 case 'json' :\r
 141                                                 case 'moz-json' :\r
 142                                                         break;\r
 143                                                 case 'document' :\r
 144                                                 case 'xml' :\r
 145                                                 case 'html' :\r
 146                                                 case 'htm' :\r
 147                                                         raw.responseType = 'document';\r
 148                                                         break;\r
 149                                                 case 'blob' :\r
 150                                                 case 'arraybuffer' :\r
 151                                                         raw.responseType = this._type;\r
 152                                                         break;\r
 153                                         };\r
 154                                 };\r
 155                                 \r
 156                                 // http://www.quirksmode.org/blog/archives/2005/09/xmlhttp_notes_r_1.html\r
 157                                 // raw.overrideMimeType()\r
 158                                 if( !X_Net_XHR_ACTIVE_X && X.Type.isFunction( raw.setRequestHeader ) ){\r
 159                                         for( p in headers ){\r
 160                                                 raw.setRequestHeader( p, headers[ p ] ); // Opera8.01+, MSXML3+\r
 161                                         };              \r
 162                                 };\r
 163                                 \r
 164                                 if( raw.timeout !== undefined ){\r
 165                                         raw.timeout = timeout; //Firefox33 でエラー,,,\r
 166                                 } else {\r
 167                                         this._timerID = X.Timer.once( timeout, this, this.onTimeout );\r
 168                                 };      \r
 169                                 \r
 170                                 // 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
 171                                 this._busy = true;\r
 172                                 \r
 173                                 // http://allabout.co.jp/gm/gc/24097/#1\r
 174                                 // sendをonreadystatechangeの前に記述すると、ieでは動作しなくなります、、、。\r
 175                                 // 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
 176                                 raw.send( postbody || '' );\r
 177                         },\r
 178                         \r
 179                         cancel : function(){\r
 180                                 /* X.Net.XHR.CANCELABLE && */ this._rawObject.abort && this._rawObject.abort();\r
 181                                 this._canceled = true;\r
 182                                 this.asyncDispatch( X.Event.CANCELED );\r
 183                         },\r
 184                         \r
 185                         reset : function(){\r
 186                                 // XMLHttpRequest で順番にリソースを取得する\r
 187                                 // http://note.chiebukuro.yahoo.co.jp/detail/n16248\r
 188                                 // 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
 189                                 \r
 190                                 // \r
 191                                 // domes.lingua.heliohost.org/dom-intro/load-save2.html\r
 192                                 // 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
 193                                 // 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
 194                                 if( X_UA.Opera || X_UA.Webkit ){\r
 195                                         \r
 196                                 };\r
 197 \r
 198                                 // XMLHttpRequest の使い方\r
 199                                 // http://webos-goodies.jp/archives/50548720.html\r
 200                                 // 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
 201                                 this._rawObject.abort && this._rawObject.abort();\r
 202 \r
 203                                 this._method   = this._type = '';\r
 204                                 this._canceled = this._busy = false;\r
 205                                 this._timerID && X.Timer.remove( this._timerID );\r
 206                                 this._percent  = this._timerID = 0;\r
 207                         },\r
 208                         \r
 209                         handleEvent : function( e ){\r
 210                                 var raw  = this._rawObject,\r
 211                                         live = !this._canceled,\r
 212                                         status, data;\r
 213 \r
 214                                 switch( e.type ){\r
 215                                         /*\r
 216                                          * http://memopad.bitter.jp/w3c/ajax/ajax_xmlhttprequest_onreadystatechange.html\r
 217                                         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
 218                                         0: リクエストは初期化されていない\r
 219                                         1: サーバ接続は確立した\r
 220                                         2: リクエストを受信した\r
 221                                         3: リクエストの処理中\r
 222                                         4: リクエストは終了してレスポンスの準備が完了\r
 223                                         status  200: "OK"\r
 224                                         404: Page not found\r
 225                                         \r
 226                                         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
 227                                         http://www.semblog.org/msano/archives/000407.html\r
 228                                         * */            \r
 229                                         case 'readystatechange' :\r
 230                                                 //if( !X.Net.XHR.PROGRESS ){\r
 231                                                         switch( raw.readyState ){\r
 232                                                                 case 0 :\r
 233                                                                 case 1 :\r
 234                                                                         return;\r
 235                                                                 case 2 : // 0% ajaxstart\r
 236                                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : 0 } );\r
 237                                                                         return;\r
 238                                                                 case 3 :\r
 239                                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : this._percent < 99.9 ? 99.9 : ( this._percent + 100 ) / 2 } );\r
 240                                                                         // 99.9%\r
 241                                                                         return;\r
 242                                                                 case 4 :\r
 243                                                                         if( this._percent === 100 ) return; // Opera8 readystatechange が2重に発生\r
 244                                                                         // 100%\r
 245                                                                         break; // load へ\r
 246                                                                 default :\r
 247                                                                         // error\r
 248                                                                         return;\r
 249                                                         };                                              \r
 250                                                 //};\r
 251         \r
 252                                         case 'load' :\r
 253                                                 \r
 254                                                 if( !live ) return this.reset();\r
 255                                                 if( this._percent === 100 ) return;\r
 256                                                 \r
 257                                                 \r
 258                                                 this._percent = 100;\r
 259                                                 this._busy    = false;\r
 260                                                 status        = raw.status;\r
 261                                                 \r
 262                                                 // https://code.google.com/p/fakeworker-js/source/browse/src/javascript/fakeworker.js\r
 263                                                 if(\r
 264                                                         ( !status && location.protocol === 'file:' ) ||\r
 265                                             ( 200 <= status && status < 300 ) ||\r
 266                                             status === 304 ||\r
 267                                             status === 1223 ||\r
 268                                             ( X_UA.Webkit && status === undefined ) // safari: /webkit/.test(userAgent)\r
 269                                                 ){\r
 270                                                         /*\r
 271                                                          * opera8, safari2, khtml3 で utf8 日本語文字列の文字化け\r
 272                                                          */\r
 273                                                         // raw.getAllResponseHeaders();\r
 274                                                         \r
 275                                                         // parse json, html, xml, text, script, css\r
 276                                                         switch( this._type ){\r
 277                                                                 case '' :\r
 278                                                                 case 'text' :\r
 279                                                                         data = raw[ 'responseText' ];\r
 280                                                                         break;\r
 281                                                                 case 'json' :\r
 282                                                                 case 'moz-json' :\r
 283                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 284                                                                         break;\r
 285                                                                 case 'document' :\r
 286                                                                 case 'xml' :\r
 287                                                                 case 'html' :\r
 288                                                                 case 'htm' :\r
 289                                                                         data = raw[ 'responseXML' ];\r
 290                                                                         break;\r
 291                                                                 case 'blob' :\r
 292                                                                 case 'arraybuffer' :\r
 293                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 294                                                                         break;\r
 295                                                         };\r
 296 \r
 297                                                         this.asyncDispatch( { type : X.Event.SUCCESS, status : status || 200, data : data } );                                                  \r
 298                                                 } else {\r
 299                                                         live && this.asyncDispatch( { type : X.Event.ERROR, status : raw.status || 0, percent : 100 } );\r
 300                                                 };\r
 301                                                 break;\r
 302                                         \r
 303                                         case 'progress' :\r
 304                                                 if( e.lengthComputable ){\r
 305                                                         this._percent = e.loaded / e.total;\r
 306                                                         live && this.asyncDispatch( { type : X.Event.PROGRESS, percent : this._percent } );\r
 307                                                 };\r
 308                                                 break;\r
 309                                         \r
 310                                         case 'error' :\r
 311                                         //console.dir( e );\r
 312                                                 this._busy = false;\r
 313                                                 live && this.asyncDispatch( { type : X.Event.ERROR, status : raw.status } );\r
 314                                                 break;\r
 315 \r
 316                                         case 'timeout' : // Gecko 12.0 https://developer.mozilla.org/ja/docs/XMLHttpRequest/Synchronous_and_Asynchronous_Requests\r
 317                                                 this._busy = false;\r
 318                                                 this.asyncDispatch( X.Event.TIMEOUT );\r
 319                                                 break;\r
 320                                 };\r
 321                         },\r
 322                         \r
 323                         onTimeout : function(){\r
 324                                 var raw  = this._rawObject,\r
 325                                         live = !X_NET_XHRWrapper._canceled || !this._busy;\r
 326 \r
 327                                 if( raw.readyState < 3 ){\r
 328                                         this._busy = false;\r
 329                                         live && this.asyncDispatch( X.Event.TIMEOUT );\r
 330                                 };\r
 331                                 this._timerID = 0;\r
 332                         },\r
 333                         \r
 334                         onUploadProgress : X.Net.XHR.UL_PROGRESS && function( e ){\r
 335                                 var raw  = X_NET_XHRWrapper._rawObject.upload,\r
 336                                         live = !X_NET_XHRWrapper._canceled,\r
 337                                         states, data;\r
 338                         }\r
 339                 },\r
 340                 true\r
 341         );\r
 342         // 同期リクエストでなければならない場合, unload, beforeunload時\r
 343 \r
 344         if( X_UA.IE8 ){\r
 345                 X_NET_XHRWrapper.listen( [ 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
 346         } else\r
 347         if( X_UA.IE7 ){\r
 348                 if( X_URL_IS_LOCAL ){\r
 349                         X_NET_XHRWrapper.listen( 'readystatechange' ); // ie7 ActiveX の場合、error は不可\r
 350                 } else {\r
 351                         X_NET_XHRWrapper.listen( [ 'readystatechange', 'error' ] );\r
 352                 };\r
 353         } else\r
 354         if( X_Net_XHR_ACTIVE_X ){ // win ie5-6\r
 355                 X_NET_XHRWrapper.listen( 'readystatechange' );\r
 356         } else \r
 357         if( X.Net.XHR.PROGRESS ){\r
 358                 X_NET_XHRWrapper.listen( [ 'load', 'progress', 'error', 'timeout' ] ); //, 'abort'\r
 359         } else {\r
 360                 X_NET_XHRWrapper.listen( [ 'load', 'readystatechange', 'error', 'timeout' ] ); //, 'abort'\r
 361         };\r
 362         \r
 363         if( X.Net.XHR.UL_PROGRESS ){\r
 364                 X_NET_XHRWrapper._rawObject.upload.addEventListener( 'progress', X.Net.XHR.xhr.onUploadProgress );\r
 365         };\r
 366 };\r
 367 \r