0.6.x/js/01_core/16_XViewPort.js

   1
   2 var X_ViewPort_readyState,
   3         X_ViewPort_active = !!window.parent || !!document.activeElement, // parent は frameに読み込まれた場合のieのerror回避
   4         X_ViewPort_activeTimerID,
   5         X_ViewPort_rootElement,
   6         X_ViewPort_lock,
   7         X_ViewPort_width,
   8         X_ViewPort_height,
   9         X_ViewPort_scrollX = 0,
  10         X_ViewPort_scrollY = 0,
  11         X_ViewPort_baseFontSize,
  12         X_ViewPort_vScrollbarSize,
  13         X_ViewPort_hScrollbarSize,
  14
  15         X_ViewPort_useDetectionLoop = X_UA[ 'IE' ] < 9 || X_UA[ 'iOS' ],
  16         X_ViewPort_detectFontSize = !X_ViewPort_useDetectionLoop && function(){
  17                         var size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
  18                         if( X_ViewPort_baseFontSize !== size ){
  19                                 X_ViewPort_baseFontSize = size;
  20                                 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
  21                         };
  22         },
  23
  24         X_ViewPort_orientationFlag,
  25         X_ViewPort_orientationchange = window[ 'orientation' ] !== undefined && function( e ){
  26                 X_ViewPort_orientationFlag = true;
  27                 !X_UA[ 'Android' ] && X_ViewPort_resize();
  28                 //console.log( '-- orientationchange : ' + X[ 'ViewPort' ][ 'getSize' ][ 0 ] + ' ' + X[ 'ViewPort' ][ 'getSize' ][ 1 ] );
  29         },
  30
  31         X_ViewPort_document = X_EventDispatcher( document ),
  32
  33 X_ViewPort = X_Class_override(
  34         X_EventDispatcher( window ),
  35         {
  36
  37                 'handleEvent' : function( e ){
  38                         var href, i, name, active = false;
  39
  40                         switch( e.type ){
  41                                 case 'beforeunload' :
  42                                         // ie では　a href="javascript" な要素でも beforeunload が起こる
  43                                         href = e.target && e.target[ 'attr' ] && e.target[ 'attr' ]( 'href' );
  44                                         if( href && href.indexOf && href.indexOf( 'javascript:' ) === 0 ) return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
  45
  46                                         return X_ViewPort[ 'dispatch' ]( X_EVENT_BEFORE_UNLOAD );
  47
  48                                 case 'unload' :
  49                                         X_ViewPort[ 'dispatch' ]( X_EVENT_UNLOAD );
  50                                 //alert('unload');
  51                                         X_ViewPort_document[ 'kill' ]();
  52                                         this[ 'kill' ]();
  53
  54                                         //X_System[ 'dispatch' ]( X_EVENT_SHUT_DOWN );
  55                                         break;
  56
  57                                 case 'visibilitychange' :
  58                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'hidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  59                                         break;
  60                                 case 'mozvisibilitychange' :
  61                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  62                                         break;
  63                                 case 'webkitvisibilitychange' :
  64                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  65                                         break;
  66
  67
  68                                 case 'blur' :
  69                                 case 'focusout' :
  70                                 case 'pagehide' :
  71                                         active = true;
  72                                 case 'focus' :
  73                                 case 'focusin' :
  74                                 case 'pageshow' :
  75                                         if( X_ViewPort_active === active ){
  76                                                 X_ViewPort_active = !active;
  77                                                 if( X_ViewPort_activeTimerID ){
  78                                                         X_ViewPort_activeTimerID = X_Timer_remove( X_ViewPort_activeTimerID );
  79                                                 } else {
  80                                                         X_ViewPort_activeTimerID = X_Timer_once( 1, X_ViewPort_changeFocus );
  81                                                 };
  82                                         };
  83                                         break;
  84                         };
  85                 }
  86
  87         }
  88 );
  89
  90 function X_ViewPort_changeFocus(){
  91         X_ViewPort[ 'dispatch' ]( X_ViewPort_active ? X_EVENT_VIEW_ACTIVATE : X_EVENT_VIEW_DEACTIVATE );
  92         X_ViewPort_activeTimerID = 0;
  93 };
  94
  95
  96 /**
  97  * window に相当する ViewPort 情報を提供するオブジェクト。
  98  * @namespace X.ViewPort
  99  * @alias X.ViewPort
 100  */
 101 X[ 'ViewPort' ] = {
 102
 103         'listen' : function( type, arg1, arg2, arg3 ){
 104                 if( type <= X_ViewPort_readyState ){
 105                         /*
 106                          * X_EVENT_XDOM_READY 以後に listen した場合の対策
 107                          */
 108                         X_ViewPort[ 'asyncDispatch' ]( type );
 109                 };
 110                 // ie8-では keydown -> documentへ
 111                 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
 112                 return X[ 'ViewPort' ];
 113         },
 114
 115
 116         'listenOnce' : function( type, arg1, arg2, arg3 ){
 117                 if( type <= X_ViewPort_readyState ){
 118                         /*
 119                          * X.Event.XDOM_READY 以後に listen した場合の対策
 120                          */
 121                         X_ViewPort[ 'asyncDispatch' ]( type );
 122                 };
 123                 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
 124                 return X[ 'ViewPort' ];
 125         },
 126
 127         'unlisten' : function( type, arg1, arg2, arg3 ){
 128                 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
 129                 return X[ 'ViewPort' ];
 130         },
 131
 132         'listening' : function( type, arg1, arg2, arg3 ){
 133                 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
 134         },
 135
 136         // hammer のテストファイルだけが使用
 137         'asyncDispatch' : function(){
 138                 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
 139         },
 140
 141         'getPointerPosition' : function(){
 142
 143         },
 144
 145         /* 要素が視界に入った  http://remysharp.com/2009/01/26/element-in-view-event-plugin/
 146          * TODO -> Node.call('inView')
 147          */
 148         'inView' : function( elm ){
 149
 150         },
 151
 152         'getSize' : function(){
 153                 return [ X_ViewPort_width, X_ViewPort_height ];
 154         },
 155 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
 156 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
 157 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
 158 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
 159
 160         'getDocumentSize' : function(){
 161                 // Opera は互換モードでは document.body.scrollHeight、標準モードでは document.documentElement.scrollHeight でページの高さが取れる。と思ってたんだけど、例外があった。
 162                 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
 163         //http://onozaty.hatenablog.com/entry/20060803/p1
 164         // Safari2.0.4では標準・互換どちらも document.body
 165
 166                 X_Node_updateTimerID && X_Node_startUpdate();
 167                 /*X_UA[ 'Opera' ] ?
 168                         ( document.documentElement && document.documentElement.clientWidth ?
 169                                 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
 170                                 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
 171                         ) :*/
 172                 return [
 173                         X_ViewPort_rootElement.scrollWidth  || X_ViewPort_rootElement.offsetWidth,
 174                         X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
 175                 ];
 176         },
 177
 178         'getScrollPosition' :
 179                 window.pageXOffset !== undefined ?
 180                         ( function(){
 181                                 X_Node_updateTimerID && X_Node_startUpdate();
 182                                 return[ X_ViewPort_scrollX = window.pageXOffset, X_ViewPort_scrollY = window.pageYOffset ];
 183                         } ) :
 184                 window.scrollLeft  !== undefined ?
 185                         ( function(){
 186                                 X_Node_updateTimerID && X_Node_startUpdate();
 187                                 return[ X_ViewPort_scrollX = window.scrollLeft, X_ViewPort_scrollY = window.scrollTop ];
 188                         } ) :
 189                         ( function(){
 190                                 X_Node_updateTimerID && X_Node_startUpdate();
 191                                 // body は Safari2-
 192                                 return[ X_ViewPort_scrollX = X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_scrollY = X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
 193                         } ),
 194
 195         'getScrollbarSize' : function(){
 196                 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
 197         },
 198
 199         'getBaseFontSize' : function(){
 200                 if( X_Node_updateTimerID ){
 201                         X_Node_startUpdate();
 202                         return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 203                 };
 204                 return X_ViewPort_baseFontSize;
 205         }
 206
 207 };
 208
 209
 210
 211 /* -----------------------------------------------
 212  * Resize
 213  *  original : uupaa.js
 214  *
 215  * TODO
 216  *  https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
 217  *  iOS7.0からあったiPad Safariの高さ100%コンテンツでlandscape（横向き）時に起きる不具合
 218  *
 219  * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
 220  * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
 221  *
 222  *  http://tenderfeel.xsrv.jp/javascript/1182/
 223  *  アドレスバーの高さの算出
 224  *
 225  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
 226  * 1. 傾き時の画面サイズ取得ー 対処方法の例
 227  * (1)ー? タイマーを使って、画面サイズ取得の タイミングを少しだけ遅延させる
 228  * window.onorientationchange = function() { setTimeout(function() { alert("W: " + window.innerWidth + ", H: " + window.innerHeight); }, 200); }
 229  * 横に傾けた時、正常に横向け時の 幅と高さが取得できている ただし、端末によってはうまく取得できな い場合がある(Galaxy S IIIとか・・・) 7
 230  *
 231  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
 232  *
 233  *
 234  * getBoundingClientRect で　fontsize の調査
 235  */
 236                 var X_ViewPort_resize =
 237                         // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
 238                         X_ViewPort_useDetectionLoop ?
 239                                 (function(){
 240                                         var size;
 241                                         if( !X_ViewPort_lock ){
 242                                                 size = X_ViewPort_getWindowSize();
 243                                                 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 244                                                         X_ViewPort_width = size[ 0 ];
 245                                                         X_ViewPort_height = size[ 1 ];
 246                                                         X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 247                                                         X_ViewPort_lock = true;
 248                                                 };
 249                                         };
 250
 251                                         size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 252                                         if( X_ViewPort_baseFontSize !== size ){
 253                                                 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
 254                                                 X_ViewPort_baseFontSize = size;
 255                                         };
 256
 257                                 }) :
 258                                 (function( e ){
 259                                         console.log( '-- resize : ' + X_Timer_now() );
 260
 261                                         !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 262                                         return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
 263                                 });
 264
 265                 function X_ViewPort_detectFinishResizing(){
 266                         var size = X_ViewPort_getWindowSize();
 267                         if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 268                                 X_ViewPort_width  = size[ 0 ];
 269                                 X_ViewPort_height = size[ 1 ];
 270                                 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 271                         } else {
 272                                 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
 273
 274                                 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
 275                                 X_ViewPort_lock = false;
 276                                 if( X_ViewPort_orientationFlag ){
 277                                         X_ViewPort_orientationFlag = false;
 278                                         X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
 279                                 };
 280                         };
 281                 };
 282
 283                 X_TEMP.onDomContentLoaded = function(){
 284                         var s, size, elmHtml, elmHead, elmBody, html, head, body;
 285
 286                         console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
 287
 288                         if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_Callback_UN_LISTEN;
 289                         X_ViewPort_readyState = X_EVENT_PRE_INIT;
 290
 291                         // DOMContentLoaded の無いブラウザで X_TEMP.onDomContentLoaded への参照が残り続けるのを回避
 292                         X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 293                         delete X_TEMP.onDomContentLoaded;
 294
 295                         elmHtml = document.documentElement ||
 296                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
 297                                 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
 298
 299                         elmHead =
 300                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
 301                                 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
 302
 303                         elmBody = document.body;
 304
 305                         X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
 306
 307                         html = X[ 'Doc' ][ 'html' ] = X_Node_html = elmHtml && new Node( elmHtml )[ 'removeClass' ]( 'js-disabled' )[ 'addClass' ]( X_UA_classNameForHTML );
 308                         html[ '_flags' ] |= X_Node_State.IN_TREE;
 309
 310                         head = X[ 'Doc' ][ 'head' ] = X_Node_head = elmHead && new Node( elmHead );
 311
 312                         body = X[ 'Doc' ][ 'body' ] = X_Node_body = new Node( elmBody );
 313
 314                         body[ 'parent ' ] = head[ 'parent' ] = html;
 315                         html[ '_xnodes' ] = [ head, body ];
 316
 317                         html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'destroy' ] =
 318                         html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
 319                         html[ 'css' ] = html[ 'cssText' ] =
 320                         head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'destroy' ] =
 321                         head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
 322                         body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'destroy' ] = new Function( 'return this' );
 323
 324                         X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
 325                                 X_ViewPort_readyState = X_EVENT_XTREE_READY;
 326                                 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
 327                                 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
 328                         } );
 329
 330                         X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
 331                                 X_ViewPort_readyState = X_EVENT_INIT;
 332                                 //X_UA[ 'Opera7' ] && alert( 'bc' );
 333                                 X_Node_body[ 'appendAt' ]( 0,
 334                                         X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
 335                                         X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
 336                                 );
 337                                 X_Node_startUpdate();
 338
 339                                 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
 340                         } );
 341
 342                         X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
 343                                 var size = X_ViewPort_getWindowSize(),
 344
 345                                 // http://jsdo.it/imaya/kTYg
 346                                         body = document.body,
 347                                         defaultOverflow = document.body.style.overflow,
 348                                         w, h;
 349
 350                                 X_ViewPort_width  = size[ 0 ];
 351                                 X_ViewPort_height = size[ 1 ];
 352
 353                                 body.style.overflow = 'hidden';
 354                                 w = body.clientWidth;
 355                                 h = body.clientHeight;
 356
 357                                 body.style.overflow = 'scroll';
 358                                 w -= body.clientWidth;
 359                                 h -= body.clientHeight;
 360
 361                                 if( !w ) w = body.offsetWidth  - body.clientWidth;
 362                                 if( !h ) h = body.offsetHeight - body.clientHeight;
 363                                 body.style.overflow = defaultOverflow;
 364
 365                                 X_ViewPort_vScrollbarSize = w;
 366                                 X_ViewPort_hScrollbarSize = h;
 367                                 if( h <= 0 ){ // ie6, ie11, firefox で　負の値が返る
 368                                         console.log( 'invalid hScrollbarSize: ' + h );
 369                                         X_ViewPort_hScrollbarSize = w;
 370                                 };
 371
 372                                 //
 373                                 if( X_ViewPort_orientationchange ){
 374                                         X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
 375                                 };
 376
 377                                 if( X_ViewPort_detectFontSize ){
 378                                         X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
 379                                         X_Timer_add( 333, X_ViewPort_detectFontSize );
 380                                 } else {
 381                                         X_Timer_add( 333, X_ViewPort_resize );
 382                                 };
 383
 384                                 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 385
 386                                 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
 387                         } );
 388
 389                         X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
 390
 391
 392                         X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
 393
 394 //ブラウザの戻るボタンで戻ったときに呼ばれるイベントとかキャッシュとかそこらへんのこと
 395 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
 396
 397                         if( document[ 'hidden' ] !== undefined ){// iOS 7+
 398                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
 399                         } else
 400                         if( document[ 'mozHidden' ] !== undefined ){
 401                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
 402                         } else
 403                         if( document[ 'webkitHidden' ] !== undefined ){
 404                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
 405                         } else
 406                         if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
 407                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
 408                         } else
 409                         if( document[ 'onfocusin' ] !== undefined ){
 410                                 // https://github.com/ai/visibilityjs/blob/master/lib/visibility.fallback.js
 411                                 X_EventDispatcher_systemListen( X_ViewPort_document, [ 'focusin', 'focusout' ], X_ViewPort );
 412                         } else {
 413                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
 414                         };
 415
 416                         return X_Callback_UN_LISTEN;
 417                 };
 418
 419                 function X_ViewPort_getWindowSize(){
 420                         return X_UA[ 'IE' ] ? // Opera10.1 では ズーム時に表示領域のサイズが取れない！
 421                                 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
 422                                 X_UA[ 'Opera' ] < 12 ? // Opera10.1 では ズーム + resize 時に表示領域のサイズが取れない！
 423                                 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
 424                                 [ window.innerWidth, window.innerHeight ];
 425                 };
 426
 427
 428 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
 429
 430 /* -----------------------------------------------
 431  * Document Ready
 432  *  Dean Edwards/Matthias Miller/John Resig
 433  */
 434
 435 // SafariでJavaScriptのデバッグをする方法
 436 // safari1.3 可
 437 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
 438
 439 /* for ie9+/Mozilla/Opera9 */
 440 if( X_UA_EVENT.W3C ){
 441         X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 442 } else
 443 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
 444         // if this script in Head
 445         document.write( "<script id=__ie_onload defer src=javascript:void(0)><\/script>" );
 446         X_TEMP._script = document.getElementById( "__ie_onload" );
 447         X_TEMP._script.onreadystatechange = function(){
 448                 var s = X_TEMP._script;
 449                 if( s && s.readyState === 'complete' ){
 450                         s.onreadystatechange = X_emptyFunction;
 451                         s.onreadystatechange = null;
 452                         s.parentNode.removeChild( s );
 453                         delete X_TEMP._script;
 454                         X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
 455                 };
 456         };
 457 };
 458 // Re: onLoad doesn't work with Safari?
 459 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
 460 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ]  < 3 ){ // sniff
 461         X_Timer_add( 16, function(){
 462                 if( !X_TEMP.onDomContentLoaded ) return X_Callback_UN_LISTEN;
 463                 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
 464         });
 465 };
 466
 467 /* for other browsers */
 468 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );