0.6.x/js/04_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      = 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 = 5 <= X.UA.IE && X.UA.IE < 8 && X.UA.ActiveX && ( new Function( [\r
  26                 'var x=".XMLHTTP",',\r
  27                         'm="MSXML2"+x,',\r
  28                         'v=[m+".6.0",m+".3.0",m+".5.0",m+".4.0",m,"Microsoft"+x],',\r
  29                         'i=-1;',\r
  30                 'for(;i<5;){',\r
  31                         'try{',\r
  32                                 'return[++i,new ActiveXObject(v[i])];',\r
  33                         '}catch(e){}',\r
  34                 '}'\r
  35         ].join( '' ) ) )();\r
  36 \r
  37 if( X_Net_XHR_ACTIVE_X ){\r
  38         X_Net_XHR_VERSION  = [ 6, 3, 5, 4, 2, 1 ][ X_Net_XHR_ACTIVE_X[ 0 ] ];\r
  39         X_Net_XHR_ACTIVE_X = X_Net_XHR_ACTIVE_X[ 1 ];\r
  40 };\r
  41 \r
  42 X.Net.XHR = {\r
  43         // Opera7.6+, Safari1.2+, khtml3.?+, Gecko0.9.7+\r
  44         W3C         : !!X_Net_XHR_W3C,\r
  45 \r
  46         X_DOMAIN    : !!X_Net_XHR_X_DOMAIN,\r
  47 \r
  48         ACTIVE_X    : !!X_Net_XHR_ACTIVE_X,\r
  49 \r
  50 /*\r
  51  * http://hakuhin.jp/as/import.html\r
  52  * ファイルの読み込みについて\r
  53  * http://hakuhin.jp/as/javascript.html\r
  54  * Flash から JavaScript にアクセスする\r
  55  */\r
  56         FLASH       : false,\r
  57         \r
  58 \r
  59 // ie7 ではローカルリソースには ActiveX の XHR を使う\r
  60 \r
  61 // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest\r
  62 // Progress Events      Chrome7, firefox3.5, ie10, opera12, Safari?, Chrome for Android 0.16\r
  63         PROGRESS    : false, //\r
  64 \r
  65         UL_PROGRESS : false,\r
  66 \r
  67         CANCELABLE  : false,\r
  68         \r
  69         TIMEOUT     : false\r
  70 \r
  71 };\r
  72 \r
  73 if( X.Net.XHR.W3C || X_Net_XHR_ACTIVE_X ){\r
  74         \r
  75         X_NET_XHRWrapper = X.Class._override(\r
  76                 new X.EventDispatcher(),\r
  77                 {\r
  78                                                 \r
  79                         _rawObject    : X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X,\r
  80                         _isXHR        : true,\r
  81                         _isXDR        : false, // for ie8\r
  82                         \r
  83                         _method       : '',\r
  84                         _type         : '',\r
  85                         _busy         : false,\r
  86                         _canceled     : false,\r
  87                         _lastProgress : 0,\r
  88                         \r
  89                         load : function( obj ){\r
  90                                 var raw      = X_NET_XHRWrapper._rawObject,\r
  91                                         method   = obj[ 'method' ],\r
  92                                         url      = obj[ 'url' ],\r
  93                                         async    = obj[ 'async' ],\r
  94                                         user     = obj[ 'user' ],\r
  95                                         password = obj[ 'password' ],\r
  96                                         headers  = obj[ 'headers' ],\r
  97                                         postbody = obj[ 'postbody' ],\r
  98                                         timeout  = obj[ 'timeout' ],\r
  99                                         temp;\r
 100                                 \r
 101                                 if( obj[ 'type' ] ){\r
 102                                         this._type = obj[ 'type' ];\r
 103                                 } else {\r
 104                                         temp = url.split( '#' )[ 0 ].split( '?' )[ 0 ].split( '.' );\r
 105                                         if( 2 <= temp.length ){\r
 106                                                 this._type = temp[ temp.length - 1 ].toLowerCase();\r
 107                                         };\r
 108                                 };\r
 109                                 \r
 110                                 if( X_Net_XHR_X_DOMAIN ){\r
 111                                         if( false /* isXDomain( url ) */ ){ // isXDomain\r
 112                                                 //if( raw !== X_Net_XHR_X_DOMAIN ){\r
 113                                                         X_EventDispatcher_migrateEvent( this );\r
 114                                                         X_NET_XHRWrapper._rawObject = X_Net_XHR_X_DOMAIN;\r
 115                                                         X_EventDispatcher_restoreEvent( this );\r
 116                                                 //};\r
 117                                         } else {\r
 118                                                 //if( raw === X_Net_XHR_X_DOMAIN ){\r
 119                                                         X_EventDispatcher_migrateEvent( this );\r
 120                                                         X_NET_XHRWrapper._rawObject = X_Net_XHR_W3C || X_Net_XHR_ACTIVE_X;\r
 121                                                         X_EventDispatcher_restoreEvent( this);\r
 122                                                 //};\r
 123                                         };\r
 124                                 };\r
 125                                 //if( raw.timeout !== undefined ) raw.timeout = timeout || -1;\r
 126                                 raw.open( method, url, false );\r
 127                                 \r
 128                                 // http://www.quirksmode.org/blog/archives/2005/09/xmlhttp_notes_r_1.html\r
 129                                 // raw.overrideMimeType()\r
 130                                 if( !X_Net_XHR_ACTIVE_X && X.Type.isFunction( raw.setRequestHeader ) ){\r
 131                                         for( p in headers ){\r
 132                                                 raw.setRequestHeader( p, headers[ p ] ); // Opera8.01+, MSXML3+\r
 133                                         };              \r
 134                                 };\r
 135                                 \r
 136                                 // 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 するケースがあるため。\r
 137                                 this._busy = true;\r
 138                                 \r
 139                                 // http://allabout.co.jp/gm/gc/24097/#1\r
 140                                 // sendをonreadystatechangeの前に記述すると、ieでは動作しなくなります、、、。\r
 141                                 // 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
 142                                 raw.send( postbody || '' );\r
 143                         },\r
 144                         \r
 145                         cancel : X.Net.XHR.CANCELABLE ?\r
 146                                 function(){\r
 147                                         //X_NET_XHRWrapper._rawObject.abort()\r
 148                                 } :\r
 149                                 function(){\r
 150                                         this._canceled = true;\r
 151                                 },\r
 152                         \r
 153                         reset : function(){\r
 154                                 this._method       = this._type = null;\r
 155                                 this._canceled     = this._busy = false;\r
 156                                 this._lastProgress = 0;\r
 157                         },\r
 158                         \r
 159                         handleEvent : function( e ){\r
 160                                 var raw  = X_NET_XHRWrapper._rawObject,\r
 161                                         live = !this._canceled,\r
 162                                         status, data;\r
 163                                 console.log( '-- ' + e.type );\r
 164                                 switch( e.type ){\r
 165                                         /*\r
 166                                          * http://memopad.bitter.jp/w3c/ajax/ajax_xmlhttprequest_onreadystatechange.html\r
 167                                         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
 168                                         0: リクエストは初期化されていない\r
 169                                         1: サーバ接続は確立した\r
 170                                         2: リクエストを受信した\r
 171                                         3: リクエストの処理中\r
 172                                         4: リクエストは終了してレスポンスの準備が完了\r
 173                                         status  200: "OK"\r
 174                                         404: Page not found\r
 175                                         \r
 176                                         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
 177                                         http://www.semblog.org/msano/archives/000407.html\r
 178                                         * */            \r
 179                                         case 'readystatechange' :\r
 180                                                 if( !X.Net.XHR.PROGRESS ){\r
 181                                                         switch( raw.readyState ){\r
 182                                                                 case 0 :\r
 183                                                                 case 1 :\r
 184                                                                         return;\r
 185                                                                 case 2 : // 0.01%\r
 186                                                                         live && this.asyncDispatch( 0, { type : X.Event.PROGRESS, percent : 0.01 } );\r
 187                                                                         return;\r
 188                                                                 case 3 :\r
 189                                                                         live && this.asyncDispatch( 0, { type : X.Event.PROGRESS, percent : this._lastProgress < 99.9 ? 99.9 : ( this._lastProgress + 100 ) / 2 } );\r
 190                                                                         // 99.9%\r
 191                                                                         return;\r
 192                                                                 case 4 :\r
 193                                                                         if( this._lastProgress === 100 ) return; // Opera8 readystatechange が2重に発生\r
 194                                                                         // 100%\r
 195                                                                         break; // load へ\r
 196                                                                 default :\r
 197                                                                         // error\r
 198                                                                         return;\r
 199                                                         };                                              \r
 200                                                 };\r
 201         \r
 202                                         case 'load' :\r
 203                                                 \r
 204                                                 if( !live ){\r
 205                                                         this.reset();\r
 206                                                         return;\r
 207                                                 };\r
 208                                                 if( this._lastProgress === 100 ) return;\r
 209                                                 \r
 210                                                 \r
 211                                                 this._lastProgress = 100;\r
 212                                                 \r
 213                                                 \r
 214                                                 status = raw.status;\r
 215                                                 \r
 216                                                 // https://code.google.com/p/fakeworker-js/source/browse/src/javascript/fakeworker.js\r
 217                                                 if(\r
 218                                                         ( !status && location.protocol === 'file:' ) ||\r
 219                                             ( 200 <= status && status < 300 ) ||\r
 220                                             status === 304 ||\r
 221                                             status === 1223 ||\r
 222                                             ( X.UA.Webkit && status === undefined ) // safari: /webkit/.test(userAgent)\r
 223                                                 ){\r
 224                                                         /*\r
 225                                                          * opera8, safari2, khtml3 で utf8 日本語文字列の文字化け\r
 226                                                          */\r
 227                                                         // raw.getAllResponseHeaders();\r
 228                                                         \r
 229                                                         // parse json, html, xml, text, script, css\r
 230                                                         switch( this._type ){\r
 231                                                                 case '' :\r
 232                                                                 case 'text' :\r
 233                                                                         data = raw[ 'responseText' ];\r
 234                                                                         break;\r
 235                                                                 case 'json' :\r
 236                                                                 case 'moz-json' :\r
 237                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 238                                                                         break;\r
 239                                                                 case 'document' :\r
 240                                                                 case 'xml' :\r
 241                                                                 case 'html' :\r
 242                                                                 case 'htm' :\r
 243                                                                         data = raw[ 'responseXML' ];\r
 244                                                                         break;\r
 245                                                                 case 'blob' :\r
 246                                                                 case 'arraybuffer' :\r
 247                                                                         data = raw[ 'response' ] || raw[ 'responseText' ]; // とりあえず\r
 248                                                                         break;\r
 249                                                         };\r
 250                                                         \r
 251                                                         //console.log( 'status ' + status );\r
 252                                                         //console.dir( raw );\r
 253                                                         \r
 254                                                         this._busy = false;\r
 255                                                         this.asyncDispatch( 0, { type : X.Event.SUCCESS, status : status || 200, data : data } );                                                       \r
 256                                                 } else {\r
 257                                                         console.log( 'status ' + status );\r
 258                                                         this._busy = false;\r
 259                                                         //console.dir( raw );\r
 260                                                         live && this.asyncDispatch( 0, { type : X.Event.ERROR, status : raw.status || 0, percent : 100 } );\r
 261                                                 };\r
 262                                                 break;\r
 263                                         \r
 264                                         case 'progress' :\r
 265                                                 if( e.lengthComputable ){\r
 266                                                         this._lastProgress = e.loaded / e.total;\r
 267                                                         live && this.asyncDispatch( 0, { type : X.Event.PROGRESS, percent : this._lastProgress } );\r
 268                                                 };\r
 269                                                 break;\r
 270                                         \r
 271                                         case 'error' :\r
 272                                         //console.dir( e );\r
 273                                                 this._busy = false;\r
 274                                                 live && this.asyncDispatch( 0, { type : X.Event.ERROR, status : raw.status } );\r
 275                                                 break;\r
 276                                         \r
 277                                         //case 'abort' :\r
 278                                         //      this._busy = false;\r
 279                                         //      this.asyncDispatch( 0, { type : X.Event.ERROR, status : raw.status } );\r
 280                                         //      break;\r
 281                                         case 'timeout' : // Gecko 12.0 https://developer.mozilla.org/ja/docs/XMLHttpRequest/Synchronous_and_Asynchronous_Requests\r
 282                                                 this._busy = false;\r
 283                                                 live && this.asyncDispatch( 0, { type : X.Event.ERROR, status : raw.status } );\r
 284                                                 break;\r
 285                                 };\r
 286                         },\r
 287                         \r
 288                         onUploadProgress : X.Net.XHR.UL_PROGRESS && function( e ){\r
 289                                 var raw  = X_NET_XHRWrapper._rawObject.upload,\r
 290                                         live = !this._canceled,\r
 291                                         states, data;\r
 292                         }\r
 293                 },\r
 294                 true\r
 295         );\r
 296         // 同期リクエストでなければならない場合, unload, beforeunload時\r
 297 \r
 298 \r
 299         // ie8 では timeout が有効, MSXML のバージョンで決定すべき?\r
 300         if( X.UA.IE8 ){\r
 301                 X_NET_XHRWrapper.listen( [ 'readystatechange', 'error', 'abort', 'timeout' ] );\r
 302         } else\r
 303         if( X.UA.IE7 ){\r
 304                 X_NET_XHRWrapper.listen( [ 'readystatechange', 'error' ] );\r
 305         } else\r
 306         if( X_Net_XHR_ACTIVE_X ){ // win ie5-6\r
 307                 X_NET_XHRWrapper.listen( [ 'readystatechange' ] );\r
 308         } else \r
 309         if( X.Net.XHR.PROGRESS ){\r
 310                 X_NET_XHRWrapper.listen( [ 'load', 'progress', 'error', 'abort', 'timeout' ] );\r
 311         } else {\r
 312                 X_NET_XHRWrapper.listen( [ 'load', 'readystatechange', 'error', 'abort', 'timeout' ] );\r
 313         };\r
 314         \r
 315         if( X.Net.XHR.UL_PROGRESS ){\r
 316                 X_NET_XHRWrapper._rawObject.upload.addEventListener( 'progress', X.Net.XHR.xhr.onUploadProgress );\r
 317         };\r
 318 };\r
 319 \r