0.6.x/js/01_core/21_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                                         //https://developer.mozilla.org/ja/docs/Web/JavaScript/A_re-introduction_to_JavaScript
  50                                         //Firefox 1.5 の bfcache が無効になりますので、他に理由がない限り Firefox では unload リスナを登録するべきではないことに注意してください。
  51                                         X_ViewPort[ 'dispatch' ]( X_EVENT_UNLOAD );
  52                                 //alert('unload');
  53                                         X_ViewPort_document[ 'kill' ]();
  54                                         this[ 'kill' ]();
  55
  56                                         //X_System[ 'dispatch' ]( X_EVENT_SHUT_DOWN );
  57                                         break;
  58
  59                                 case 'visibilitychange' :
  60                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'hidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  61                                         break;
  62                                 case 'mozvisibilitychange' :
  63                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  64                                         break;
  65                                 case 'webkitvisibilitychange' :
  66                                         X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
  67                                         break;
  68
  69
  70                                 case 'blur' :
  71                                 case 'focusout' :
  72                                 case 'pagehide' :
  73                                         active = true;
  74                                 case 'focus' :
  75                                 case 'focusin' :
  76                                 case 'pageshow' :
  77                                         if( X_ViewPort_active === active ){
  78                                                 X_ViewPort_active = !active;
  79                                                 if( X_ViewPort_activeTimerID ){
  80                                                         X_ViewPort_activeTimerID = X_Timer_remove( X_ViewPort_activeTimerID );
  81                                                 } else {
  82                                                         X_ViewPort_activeTimerID = X_Timer_once( 1, X_ViewPort_changeFocus );
  83                                                 };
  84                                         };
  85                                         break;
  86                         };
  87                 }
  88
  89         }
  90 );
  91
  92 function X_ViewPort_changeFocus(){
  93         X_ViewPort[ 'dispatch' ]( X_ViewPort_active ? X_EVENT_VIEW_ACTIVATE : X_EVENT_VIEW_DEACTIVATE );
  94         X_ViewPort_activeTimerID = 0;
  95 };
  96
  97
  98 /**
  99  * window に相当する ViewPort 情報を提供するオブジェクト。
 100  * @namespace X.ViewPort
 101  * @alias X.ViewPort
 102  */
 103 X[ 'ViewPort' ] = {
 104         /**
 105          *
 106          * @alias X.ViewPort.listen
 107          */
 108         'listen' : function( type, arg1, arg2, arg3 ){
 109                 if( type <= X_ViewPort_readyState ){
 110                         /*
 111                          * X_EVENT_XDOM_READY 以後に listen した場合の対策
 112                          */
 113                         X_ViewPort[ 'asyncDispatch' ]( type );
 114                 };
 115                 // ie8-では keydown -> documentへ
 116                 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
 117                 return X[ 'ViewPort' ];
 118         },
 119
 120         /**
 121          *
 122          * @alias X.ViewPort.listenOnce
 123          */
 124         'listenOnce' : function( type, arg1, arg2, arg3 ){
 125                 if( type <= X_ViewPort_readyState ){
 126                         /*
 127                          * X.Event.XDOM_READY 以後に listen した場合の対策
 128                          */
 129                         X_ViewPort[ 'asyncDispatch' ]( type );
 130                 };
 131                 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
 132                 return X[ 'ViewPort' ];
 133         },
 134
 135         /**
 136          *
 137          * @alias X.ViewPort.unlisten
 138          */
 139         'unlisten' : function( type, arg1, arg2, arg3 ){
 140                 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
 141                 return X[ 'ViewPort' ];
 142         },
 143
 144         /**
 145          *
 146          * @alias X.ViewPort.listening
 147          */
 148         'listening' : function( type, arg1, arg2, arg3 ){
 149                 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
 150         },
 151
 152         /**
 153          * hammer のテストファイルだけが使用
 154          * @alias X.ViewPort.asyncDispatch
 155          */
 156         'asyncDispatch' : function(){
 157                 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
 158         },
 159
 160         'getPointerPosition' : function(){
 161
 162         },
 163
 164         /* 要素が視界に入った  http://remysharp.com/2009/01/26/element-in-view-event-plugin/
 165          * TODO -> Node.call('inView')
 166          */
 167         'inView' : function( elm ){
 168
 169         },
 170
 171         /**
 172          *
 173          * @alias X.ViewPort.getSize
 174          */
 175         'getSize' : function(){
 176                 return [ X_ViewPort_width, X_ViewPort_height ];
 177         },
 178 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
 179 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
 180 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
 181 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
 182
 183         /**
 184          *
 185          * @alias X.ViewPort.getDocumentSize
 186          */
 187         'getDocumentSize' : function(){
 188                 // 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。
 189                 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
 190         //http://onozaty.hatenablog.com/entry/20060803/p1
 191         // Safari2.0.4では標準・互換どちらも document.body
 192
 193                 X_Node_updateTimerID && X_Node_startUpdate();
 194                 /*X_UA[ 'Opera' ] ?
 195                         ( document.documentElement && document.documentElement.clientWidth ?
 196                                 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
 197                                 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
 198                         ) :*/
 199                 return [
 200                         X_ViewPort_rootElement.scrollWidth  || X_ViewPort_rootElement.offsetWidth,
 201                         X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
 202                 ];
 203         },
 204
 205         /**
 206          *
 207          * @alias X.ViewPort.getScrollPosition
 208          */
 209         'getScrollPosition' :
 210                 window.pageXOffset !== undefined ?
 211                         ( function(){
 212                                 X_Node_updateTimerID && X_Node_startUpdate();
 213                                 return[ X_ViewPort_scrollX = window.pageXOffset, X_ViewPort_scrollY = window.pageYOffset ];
 214                         } ) :
 215                 window.scrollLeft  !== undefined ?
 216                         ( function(){
 217                                 X_Node_updateTimerID && X_Node_startUpdate();
 218                                 return[ X_ViewPort_scrollX = window.scrollLeft, X_ViewPort_scrollY = window.scrollTop ];
 219                         } ) :
 220                         ( function(){
 221                                 X_Node_updateTimerID && X_Node_startUpdate();
 222                                 // body は Safari2-
 223                                 return[ X_ViewPort_scrollX = X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_scrollY = X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
 224                         } ),
 225
 226         /**
 227          *
 228          * @alias X.ViewPort.getScrollbarSize
 229          */
 230         'getScrollbarSize' : function(){
 231                 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
 232         },
 233
 234         /**
 235          *
 236          * @alias X.ViewPort.getBaseFontSize
 237          */
 238         'getBaseFontSize' : function(){
 239                 if( X_Node_updateTimerID ){
 240                         X_Node_startUpdate();
 241                         return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 242                 };
 243                 return X_ViewPort_baseFontSize;
 244         }
 245
 246 };
 247
 248
 249
 250 /* -----------------------------------------------
 251  * Resize
 252  *  original : uupaa.js
 253  *
 254  * TODO
 255  *  https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
 256  *  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
 257  *
 258  * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
 259  * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
 260  *
 261  *  http://tenderfeel.xsrv.jp/javascript/1182/
 262  *  アドレスバーの高さの算出
 263  *
 264  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
 265  * 1. 傾き時の画面サイズ取得ー 対処方法の例
 266  * (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
 267  * window.onorientationchange = function() { setTimeout(function() { alert('W: ' + window.innerWidth + ', H: ' + window.innerHeight); }, 200); }
 268  * 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
 269  *
 270  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
 271  *
 272  *
 273  * getBoundingClientRect で　fontsize の調査
 274  */
 275                 var X_ViewPort_resize =
 276                         // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
 277                         X_ViewPort_useDetectionLoop ?
 278                                 (function(){
 279                                         var size;
 280                                         if( !X_ViewPort_lock ){
 281                                                 size = X_ViewPort_getWindowSize();
 282                                                 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 283                                                         X_ViewPort_width = size[ 0 ];
 284                                                         X_ViewPort_height = size[ 1 ];
 285                                                         X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 286                                                         X_ViewPort_lock = true;
 287                                                 };
 288                                         };
 289
 290                                         size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 291                                         if( X_ViewPort_baseFontSize !== size ){
 292                                                 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
 293                                                 X_ViewPort_baseFontSize = size;
 294                                         };
 295
 296                                 }) :
 297                                 (function( e ){
 298                                         console.log( '-- resize : ' + X_Timer_now() );
 299
 300                                         !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 301                                         return X_CALLBACK_PREVENT_DEFAULT | X_CALLBACK_STOP_PROPAGATION;
 302                                 });
 303
 304                 function X_ViewPort_detectFinishResizing(){
 305                         var size = X_ViewPort_getWindowSize();
 306                         if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 307                                 X_ViewPort_width  = size[ 0 ];
 308                                 X_ViewPort_height = size[ 1 ];
 309                                 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
 310                         } else {
 311                                 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
 312
 313                                 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
 314                                 X_ViewPort_lock = false;
 315                                 if( X_ViewPort_orientationFlag ){
 316                                         X_ViewPort_orientationFlag = false;
 317                                         X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
 318                                 };
 319                         };
 320                 };
 321
 322                 X_TEMP.onDomContentLoaded = function(){
 323                         var s, size, elmHtml, elmHead, elmBody, html, head, body;
 324
 325                         console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
 326
 327                         if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_CALLBACK_UN_LISTEN;
 328                         X_ViewPort_readyState = X_EVENT_PRE_INIT;
 329
 330                         // 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
 331                         X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 332                         delete X_TEMP.onDomContentLoaded;
 333
 334                         elmHtml = document.documentElement ||
 335                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
 336                                 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
 337
 338                         elmHead =
 339                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
 340                                 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
 341
 342                         elmBody = document.body;
 343
 344                         X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
 345
 346         /**
 347          * Node( documentElement )
 348          * @alias X.Doc.html
 349          * @type {Node}
 350          */
 351                         X[ 'Doc' ][ 'html' ] = html = X_Node_html = elmHtml && Node( elmHtml )[ 'removeClass' ]( 'js-disabled' )[ 'addClass' ]( X_UA_classNameForHTML );
 352                         html[ '_flags' ] |= X_NodeFlags_IN_TREE;
 353
 354         /**
 355          * Node( head )
 356          * @alias X.Doc.head
 357          * @type {Node}
 358          */
 359                         X[ 'Doc' ][ 'head' ] = head = X_Node_head = elmHead && Node( elmHead );
 360
 361         /**
 362          * Node( documentElement )
 363          * @alias X.Doc.body
 364          * @type {Node}
 365          */
 366                         X[ 'Doc' ][ 'body' ] = body = X_Node_body = Node( elmBody );
 367
 368                         body[ 'parent ' ] = head[ 'parent' ] = html;
 369                         html[ '_xnodes' ] = [ head, body ];
 370
 371                         html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'kill' ] =
 372                         html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
 373                         html[ 'css' ] = html[ 'cssText' ] =
 374                         head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'kill' ] =
 375                         head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
 376                         body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'kill' ] = new Function( 'return this' );
 377
 378                         X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
 379                                 X_ViewPort_readyState = X_EVENT_XTREE_READY;
 380                                 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
 381                                 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
 382                         } );
 383
 384                         X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
 385                                 X_ViewPort_readyState = X_EVENT_INIT;
 386                                 //X_UA[ 'Opera7' ] && alert( 'bc' );
 387                                 X_Node_body[ 'appendAt' ]( 0,
 388                                         X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
 389                                         X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
 390                                 );
 391                                 X_Node_startUpdate();
 392
 393                                 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
 394                         } );
 395
 396                         X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
 397                                 var size = X_ViewPort_getWindowSize(),
 398
 399                                 // http://jsdo.it/imaya/kTYg
 400                                         body = document.body,
 401                                         defaultOverflow = document.body.style.overflow,
 402                                         w, h;
 403
 404                                 X_ViewPort_width  = size[ 0 ];
 405                                 X_ViewPort_height = size[ 1 ];
 406
 407                                 body.style.overflow = 'hidden';
 408                                 w = body.clientWidth;
 409                                 h = body.clientHeight;
 410
 411                                 body.style.overflow = 'scroll';
 412                                 w -= body.clientWidth;
 413                                 h -= body.clientHeight;
 414
 415                                 if( !w ) w = body.offsetWidth  - body.clientWidth;
 416                                 if( !h ) h = body.offsetHeight - body.clientHeight;
 417                                 body.style.overflow = defaultOverflow;
 418
 419                                 X_ViewPort_vScrollbarSize = w;
 420                                 X_ViewPort_hScrollbarSize = h;
 421                                 if( h <= 0 ){ // ie6, ie11, firefox で　負の値が返る
 422                                         console.log( 'invalid hScrollbarSize: ' + h );
 423                                         X_ViewPort_hScrollbarSize = w;
 424                                 };
 425
 426                                 //
 427                                 if( X_ViewPort_orientationchange ){
 428                                         X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
 429                                 };
 430
 431                                 if( X_ViewPort_detectFontSize ){
 432                                         X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
 433                                         X_Timer_add( 333, X_ViewPort_detectFontSize );
 434                                 } else {
 435                                         X_Timer_add( 333, X_ViewPort_resize );
 436                                 };
 437
 438                                 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
 439
 440                                 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
 441                         } );
 442
 443                         X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
 444
 445
 446                         X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
 447
 448 //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
 449 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
 450
 451                         if( document[ 'hidden' ] !== undefined ){// iOS 7+
 452                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
 453                         } else
 454                         if( document[ 'mozHidden' ] !== undefined ){
 455                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
 456                         } else
 457                         if( document[ 'webkitHidden' ] !== undefined ){
 458                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
 459                         } else
 460                         if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
 461                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
 462                         } else
 463                         if( document[ 'onfocusin' ] !== undefined ){
 464                                 // https://github.com/ai/visibilityjs/blob/master/lib/visibility.fallback.js
 465                                 X_EventDispatcher_systemListen( X_ViewPort_document, [ 'focusin', 'focusout' ], X_ViewPort );
 466                         } else {
 467                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
 468                         };
 469
 470                         return X_CALLBACK_UN_LISTEN;
 471                 };
 472
 473                 function X_ViewPort_getWindowSize(){
 474                         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！
 475                                 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
 476                                 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！
 477                                 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
 478                                 [ window.innerWidth, window.innerHeight ];
 479                 };
 480
 481
 482 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
 483
 484 /* -----------------------------------------------
 485  * Document Ready
 486  *  Dean Edwards/Matthias Miller/John Resig
 487  */
 488
 489 // SafariでJavaScriptのデバッグをする方法
 490 // safari1.3 可
 491 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
 492
 493 /* for ie9+/Mozilla/Opera9 */
 494 if( X_UA_EVENT.W3C ){
 495         X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 496 } else
 497 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
 498         // if this script in Head
 499         //document.write( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' );
 500         //X_TEMP._script = document.getElementById( '__ie_onload' );
 501
 502         // 上のコードはスタンドアローン版ie6でエラー
 503     X_TEMP._script = document.createElement( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' ) ;
 504     document.getElementsByTagName("head")[ 0 ].appendChild( X_TEMP._script );
 505
 506         X_TEMP._script.onreadystatechange = function(){
 507                 var s = X_TEMP._script;
 508                 if( s && s.readyState === 'complete' ){
 509                         s.onreadystatechange = X_emptyFunction;
 510                         s.onreadystatechange = null;
 511                         s.parentNode.removeChild( s );
 512                         delete X_TEMP._script;
 513                         X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
 514                 };
 515         };
 516 };
 517 // Re: onLoad doesn't work with Safari?
 518 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
 519 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ]  < 3 ){ // sniff
 520         X_Timer_add( 16, function(){
 521                 if( !X_TEMP.onDomContentLoaded ) return X_CALLBACK_UN_LISTEN;
 522                 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
 523         });
 524 };
 525
 526 /* for other browsers */
 527 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );