0.6.x/js/02_dom/06_XNodeCSS.js

   1
   2
   3 /*
   4  * style 値の変更は、enterFrame 後にまとめて適用
   5  * width(), height(), x(), y() 1em の取得時にも適用
   6  * css3 の ie用 fix は X.UI レベルで行う
   7  *
   8  * use X.Dom.Event
   9  */
  10
  11 /* font-size -> fontSize */
  12 function X_Node_CSS_camelize( cssProp ){
  13         var parts, l, i, parts0, camelized;
  14
  15         if( camelized = X_Node_CSS__DICTIONARY_CAMELIZE[ cssProp ] ) return camelized;
  16         parts  = cssProp.split( ' ' ).join( '' ).split( '-' );
  17         parts0 = parts[ 0 ];
  18         l      = parts.length;
  19         if( l === 1 ) return parts0;
  20
  21         camelized = cssProp.charAt(0) === '-'
  22           ? parts0.charAt( 0 ).toUpperCase() + parts0.substring( 1 )
  23           : parts0;
  24
  25         for( i = 1; i < l; ++i ){
  26                 camelized += parts[ i ].charAt( 0 ).toUpperCase() + parts[ i ].substring( 1 );
  27         };
  28         return X_Node_CSS__DICTIONARY_CAMELIZE[ cssProp ] = camelized;
  29 };
  30
  31 // TODO use X_HTMLParser_CHARS
  32 /* fontSize -> font-size */
  33 function X_Node_CSS_uncamelize( str ){
  34         var A = X_Node_CSS_CHAR_CODE_A,
  35                 Z = A + 25,
  36                 uncamelized, l, chr, code, i;
  37         str = str.split( ' ' ).join( '' );
  38         if( uncamelized = X_Node_CSS__DICTIONARY_UNCAMELIZE[ str ] ) return uncamelized;
  39         uncamelized = '';
  40         for( i = 0, l = str.length; i < l; ++i ){
  41                 chr = str.charAt( i );
  42                 code = chr.charCodeAt( 0 );
  43                 uncamelized += ( A <= code && code <= Z ) ? '-' + chr : chr;
  44         };
  45         return X_Node_CSS__DICTIONARY_UNCAMELIZE[ str ] = uncamelized.toLowerCase();
  46 };
  47
  48 var
  49
  50 X_node_CSS_getComputedStyle = window.getComputedStyle || document.defaultView && document.defaultView.getComputedStyle,
  51
  52         /* font-size -> fontSize */
  53 X_Node_CSS__DICTIONARY_CAMELIZE = {},
  54
  55         /* fontSize -> font-size */
  56 X_Node_CSS_CHAR_CODE_A = 'A'.charCodeAt( 0 ),
  57
  58 X_Node_CSS__DICTIONARY_UNCAMELIZE = {},
  59
  60 /*
  61  * CSS における display, position, float プロパティの相互関係
  62  * http://d.hatena.ne.jp/elm200/20080201/1201874740
  63  *
  64  * CSS21:9.7 Relationships between ’display’, ’position’, and ’float’
  65  * http://www.w3.org/TR/CSS21/visuren.html#dis-pos-flo
  66  *
  67  *   display:none? -yes-> 非表示
  68  *    ↓
  69  *   position:absolute? -yes-> float:none,display:block;
  70  *    ↓
  71  *   float:none? -no-> display:block;
  72  *    ↓
  73  *   display:そのまま
  74  *
  75  *
  76 display         position                        float
  77 block           static|relative         none
  78 block           static|relative         right|left
  79 block           absolute                        none
  80 inline          static|relative         none
  81
  82 _DISPLAY_NONE
  83 _ABSOLUTE_BOX
  84 _FLOAT_BOX
  85 _GRNERAL
  86  */
  87 X_Node_CSS_VENDER_PREFIX = {},
  88
  89 X_Node_CSS__CLIP_SEPARATOR = X_UA.IE < 8 ? ' ' : ',',
  90
  91 X_Node_CSS__UNIT_RATIO      = {},
  92 X_Node_CSS__FONT_SIZE_RATIO = {},
  93
  94         //  https://developer.mozilla.org/en-US/docs/Web/CSS/transform
  95         //  Firefox 3.5, ie9, Opera 10.5, Safari 3.1, Chrome
  96         //  3D support Firefox 10, ie10, Safari 4.0, Chrome 12.0
  97         // transform : void 0,
  98
  99         //  https://developer.mozilla.org/ja/docs/Web/Guide/CSS/Using_CSS_transitions
 100         //  Chrome 1.0, Firefox 4.0, ie10, Opera 10.5, Safari 3.2
 101         //  Android 2.1, Firefox Android 4.0, Opera Mobile 10, Safari Mobile 3.2
 102         // transition : void 0
 103
 104         // ブラウザ毎の getComputedStyle の戻り値 http://d.hatena.ne.jp/uupaa/20080928/1222543331
 105
 106 X_Node_CSS_COLOR = {
 107                 BLACK         : 0x0,
 108                 RED           : 0xFF0000,
 109                 LIME          : 0x00FF00,
 110                 BLUE          : 0x0000FF,
 111                 YELLOW        : 0xFFFF00,
 112                 AQUA          : 0x00FFFF,
 113                 CYAN          : 0x00FFFF,
 114                 MAGENTA       : 0xFF00FF,
 115                 FUCHSIA       : 0xFF00FF,
 116                 WHITE         : 0xFFFFFF,
 117                 GREEN         : 0x008000,
 118                 PURPLE        : 0x800080,
 119                 MAROON        : 0x800000,
 120                 NAVY          : 0x000080,
 121                 OLIVE         : 0x808000,
 122                 TEAL          : 0x008080,
 123                 GRAY          : 0x808080,
 124                 SILVER        : 0xC0C0C0,
 125                 DIMGRAY       : 0x696969,
 126                 SLATEGRAY     : 0x708090,
 127                 DARKGRAY      : 0xA9A9A9,
 128                 GAINSBORO     : 0xDCDCDC,
 129                 MIDNIGHTBLUE  : 0x191970,
 130                 SLATEBLUE     : 0x6A5ACD,
 131                 MEDIUMBLUE    : 0x0000CD,
 132                 ROYALBLUE     : 0x4169E1,
 133                 DODGERBLUE    : 0x1E90FF,
 134                 SKYBLUE       : 0x87CEEB,
 135                 STEELBLUE     : 0x4682B4,
 136                 LIGHTBLUE     : 0xADD8E6,
 137                 PALETURQUOISE : 0xAFEEEE,
 138                 TURQUOISE     : 0x40E0D0,
 139                 LIGHTCYAN     : 0xE0FFFF,
 140                 AQUAMARINE    : 0x7FFFD4,
 141                 DARKGREEN     : 0x006400,
 142                 SEAGREEN      : 0x2E8B57,
 143                 LIGHTGREEN    : 0x90EE90,
 144                 CHARTREUSE    : 0x7FFF00,
 145                 GREENYELLOW   : 0xADFF2F,
 146                 LIMEGREEN     : 0x32CD32,
 147                 YELLOWGREEN   : 0x9ACD32,
 148                 OLIVEDRAB     : 0x6B8E23,
 149                 DARKKHAKI     : 0xBCB76B,
 150                 PALEGOLDENROD : 0xEEE8AA,
 151                 LIGHTYELLOW   : 0xFFFFE0,
 152                 GOLD          : 0xFFD700,
 153                 GOLDENROD     : 0xDAA520,
 154                 DARKGOLDENROD : 0xB8860B,
 155                 ROSYBROWN     : 0xBC8F8F,
 156                 INDIANRED     : 0xCD5C5C,
 157                 SADDLEBROWN   : 0x8B4513,
 158                 SIENNA        : 0xA0522D,
 159                 PERU          : 0xCD853F,
 160                 BURLYWOOD     : 0xDEB887,
 161                 BEIGE         : 0xF5F5DC,
 162                 WHEAT         : 0xF5DEB3,
 163                 SANDYBROWN    : 0xF4A460,
 164                 TAN           : 0xD2B48C,
 165                 CHOCOLATE     : 0xD2691E,
 166                 FIREBRICK     : 0xB22222,
 167                 BROWN         : 0xA52A2A,
 168                 SALMON        : 0xFA8072,
 169                 ORANGE        : 0xFFA500,
 170                 CORAL         : 0xFF7F50,
 171                 TOMATO        : 0xFF6347,
 172                 HOTPINK       : 0xFF69B4,
 173                 PINK          : 0xFFC0CB,
 174                 DEEPPINK      : 0xFF1493,
 175                 PALEVIOLETRED : 0xDB7093,
 176                 VIOLET        : 0xEE82EE,
 177                 PLUM          : 0xDDA0DD,
 178                 ORCHILD       : 0xDA70D6,
 179                 DARKVIOLET    : 0x9400D3,
 180                 BLUEVIOLET    : 0x8A2BE2,
 181                 MEDIUMPURPLE  : 0x9370DB,
 182                 THISTLE       : 0xD8BFD8,
 183                 LAVENDER      : 0xE6E6FA,
 184                 MISTYROSE     : 0xFFE4E1,
 185                 IVORY         : 0xFFFFF0,
 186                 LEMONCHIFFON  : 0xFFFACD
 187 };
 188
 189 function X_Node_CSS_parseColor( x ){
 190         var rgb, r, g, b;
 191
 192         if( X.Type.isNumber( x ) ){
 193                 return ( 0x0 <= x && x <= 0xFFFFFF ) ? x : undefined;
 194         } else
 195         if( !X.Type.isString( x ) ) return;
 196
 197         if( X.Type.isNumber( rgb = X_Node_CSS_COLOR[ x.toUpperCase() ] ) && 0x0 <= rgb && rgb <= 0xFFFFFF ){
 198                 return rgb;
 199         } else
 200         if( x.charAt( 0 ) === '#' ){
 201                 switch( x.length ){
 202                         case 7 :
 203                                 r = parseInt( x.substr( 1, 2 ), 16 );
 204                                 g = parseInt( x.substr( 3, 2 ), 16 );
 205                                 b = parseInt( x.substr( 5, 2 ), 16 );
 206                                 break;
 207                         case 4 :
 208                                 r = parseInt( x.charAt( 1 ) + x.charAt( 1 ), 16 );
 209                                 g = parseInt( x.charAt( 2 ) + x.charAt( 2 ), 16 );
 210                                 b = parseInt( x.charAt( 3 ) + x.charAt( 3 ), 16 );
 211                                 break;
 212                         case 2 :
 213                                 r = g = b = parseInt( x.charAt( 1 ) + x.charAt( 1 ), 16 );
 214                                 break;
 215                         default :
 216                                 return;
 217                 };
 218         } else
 219         if( x.indexOf( 'rgb(' ) === 0 ){
 220                 rgb = x.substr( 4 ).split( ',' );
 221                 r = parseFloat( rgb[ 0 ] );
 222                 g = parseFloat( rgb[ 1 ] );
 223                 b = parseFloat( rgb[ 2 ] );
 224                 if( x.indexOf( '%' ) !== -1 ){
 225                         r *= 2.55;
 226                         g *= 2.55;
 227                         b *= 2.55;
 228                 };
 229         } else
 230         if( x.indexOf( 'rgba(' ) === 0 ){
 231                 rgb = x.substr( 5 ).split( ',' );
 232                 r = parseFloat( rgb[ 0 ] );
 233                 g = parseFloat( rgb[ 1 ] );
 234                 b = parseFloat( rgb[ 2 ] );
 235                 //a = parseFloat( rgb[ 3 ] );
 236                 if( x.indexOf( '%' ) !== -1 ){
 237                         r *= 2.55;
 238                         g *= 2.55;
 239                         b *= 2.55;
 240                 };
 241         } else {
 242                 return undefined;
 243         };
 244         return isFinite( r + b + g ) ? ( r << 16 ) + ( g << 8 ) + b : undefined;
 245 };
 246
 247 function X_Node_CSS_objToCssText( that ){
 248         var obj   = that._css,
 249                 plain = X_EMPTY_OBJECT,
 250                 css   = [],
 251                 n     = -1,
 252                 p, v, specialFix, filterFix;
 253
 254         that._flags &= ~X_Node_State.OLD_CSSTEXT;
 255
 256         if( !obj ){ // Opera7.5 未満?
 257                 delete that._cssText;+65
 258                 return '';
 259         };
 260
 261         for( p in obj ){
 262                 // object の拡張に備えて plain なオブジェクトを用意し、そのメンバーと一致するものは処理の対象外。
 263                 if( plain[ p ] ) continue;
 264
 265                 v = obj[ p ];
 266
 267                 p = X_Node_CSS_uncamelize( X_Node_CSS_VENDER_PREFIX[ p ] || p );
 268
 269                 if( specialFix = X_Node_CSS_SPECIAL_FIX_PROP[ p ] ){
 270                         css[ ++n ] = p + ':' + specialFix( v );
 271                 } else
 272                 if( X_Node_CSS_FILTER_FIX_PROPS && X_Node_CSS_FILTER_FIX_PROPS[ p ] ){
 273                         ( filterFix || ( filterFix = {} ) )[ p ] = v;
 274                 } else {
 275                         css[ ++n ] = p + ':' + v;
 276                 };
 277         };
 278
 279         filterFix && ( css[ ++n ] = 'filter:' + X_Node_CSS_objToIEFilterText( that, filterFix ) );
 280
 281         if( 0 <= n ){
 282                 return that._cssText = css.join( ';' );
 283         };
 284         delete that._cssText;
 285         return '';
 286 };
 287
 288 var
 289 X_Node_CSS_FILTER_FIX_PROPS =
 290         X_UA.ActiveX && X_UA.IE < 9 && !X_UA.MacIE ?
 291                 {
 292                         opacity    : 2,
 293                         boxShadow  : 3,
 294                         textShadow : 4
 295                 } :
 296         X_UA.ActiveX && X_UA.IE9 ? // == 9
 297                 {
 298                         textShadow : 4
 299                 } :
 300                 null;
 301
 302 function X_Node_CSS_objToIEFilterText( that, opt_css ){
 303         var obj     = opt_css || that._css,
 304                 test    = X_Node_CSS_FILTER_FIX_PROPS,
 305                 filters = [],
 306                 n       = -1,
 307                 p, id, v, num, ary, params, i, l, dir,
 308                 afterUpdate, impossible;
 309         for( p in obj ){
 310                 if( X_EMPTY_OBJECT[ p ] ) continue;
 311
 312                 if( !( id = test[ p ] ) ) continue;
 313                 v = obj[ p ];
 314
 315                 switch( id ){
 316                         case 1 : //'filter' :
 317                                 filters[ ++n ] = v;
 318                                 break;
 319                         case 2 : //'opacity' :
 320                                 filters[ ++n ] = 'alpha(opacity=' + ( v * 100 | 0 ) +')';
 321                                 break;
 322                         case 3 : //'boxShadow' :
 323                                 // TODO カンマ区切りの複数指定
 324                                 // box-shadow: 10px 10px 10px 10px rgba(0,0,0,0.4) inset;
 325                                 // スペース区切りで、水平方向の距離 垂直方向の距離 ぼかし距離 広がり距離 影の色 insetキーワードを指定する。 ぼかし距離 広がり距離 影の色 insetキーワードは省略可
 326                                 // https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow
 327                                 // <length> に絶対値は不可? <color> 省略した場合は、文字の色が使われる（webkit以外）
 328                                 // shadow(color=#cccccc, strength=10, direction=135);
 329                                 ary = v.split( ' ' );
 330                                 params = [ 0, 0, 0, 0 ]; // offset-x, offset-y, blur-radius, spread-radius
 331                                 for( i = 0, l = ary.length; i < l; ++i ){
 332                                         v = ary[ i ];
 333                                         num = i < 4 && parsetFloat( v );
 334
 335                                         if( num === num ){
 336                                                 vu = X_Node_CSS__splitValueAndUnit( v );
 337                                                 v  = vu[ 0 ];
 338                                                 u  = vu[ 1 ];
 339                                                 if( v ){
 340                                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ){
 341                                                                 params[ i ] = v / _v;
 342                                                         } else {
 343                                                                 switch( u ){
 344                                                                         case 'px' :
 345                                                                                 params[ i ] = v;
 346                                                                                 break;
 347                                                                         case 'em' :
 348                                                                                 if( X_Node_updateTimerID ){
 349                                                                                         afterUpdate = true;
 350                                                                                 } else {
 351                                                                                         params[ i ] = X_Node_CSS_getCharSize( that ) * v;
 352                                                                                 };
 353                                                                         default :
 354                                                                                 params[ i ] = 0;
 355                                                                                 break;
 356                                                                 };
 357                                                         };
 358                                                 } else {
 359                                                         params[ i ] = 0;
 360                                                 };
 361                                         } else
 362                                         if( v.charAt( 0 ) === '#' || v.indexOf( 'rgb' ) === 0 || X_Node_CSS_COLOR[ v.toUpperCase() ] ){
 363                                                 v = X_Node_CSS_parseColor( v );
 364                                                 if( 0 <= v && v < 0x100000 ){
 365                                                         color = '00000' + v.toString( 16 );
 366                                                         color = '#' + color.substr( color.length - 6 );
 367                                                 } else
 368                                                 if( v ){
 369                                                         color = '#' + v.toString( 16 );
 370                                                 };
 371                                         } else
 372                                         if( v === 'inset' ){
 373                                                 impossible = true;
 374                                         } else {
 375                                                 // unknown
 376                                         };
 377                                 };
 378                                 if( impossible || !color ){
 379                                         break;
 380                                 };
 381                                 if( afterUpdate ){
 382                                         // AFTER_UPDATE 時に 再計算
 383                                         X_ViewPort.listenOnce( X_Event.AFTER_UPDATE, that, X_Node_CSS_onAfterUpdateForIEFilterFix );
 384                                         break;
 385                                 };
 386                                 dir = Math.atan2( params[ 1 ] + params[ 3 ], params[ 0 ] + params[ 3 ] ) * 180 / Math.PI + 90;
 387                                 dir += dir < 0 ? 360 : 0;
 388                                 filters[ ++n ] = 'shadow(color=' + color + ',strength=' + params[ 3 ] + ',direction=' + ( dir | 0 ) + ')';
 389                                 break;
 390                         case 4 : //'textShadow' :
 391                                 //text-shadow: 5px 5px 2px blue; 水平方向の距離 垂直方向の距離 影のぼかし半径 影の色 none
 392                                 //glow(Color=yellow,Strength=10);
 393                                 //どうやらCSSのbackgroundプロパティと同時に使えないようです。 s
 394                                 break;
 395                         case 5 : //'backgroundImage' :
 396                                 //
 397                 };
 398         };
 399         return filters.join( ' ' );
 400 };
 401
 402 function X_Node_CSS_onAfterUpdateForIEFilterFix(){
 403         if( this._flags & X_Node_State.IN_TREE ){ // 要素があり、要素がツリーに属している
 404                 this._flags |= X_Node_State.DIRTY_IE_FILTER;
 405                 X_Node_reserveUpdate();
 406         };
 407 };
 408
 409
 410         /*
 411          * http://css-eblog.com/ie-css-problems/rgba-pe.html
 412          * ie67 では rgb() は background-color で反応しない、、、
 413          */
 414
 415 var
 416 X_Node_CSS_UNIT = {
 417                 'px'   : 0,
 418                 'em'   : 1,
 419                 // ex, rem, vh, vw, vmin, vmax
 420                 'cm'   : 2,
 421                 'mm'   : 3,
 422                 'in'   : 4,
 423                 // pt, pc, mozmm
 424                 '%'    : 5,
 425                 'pct'  : 5,
 426                 'ms'   : 6,
 427                 's'    : 7,
 428                 '#'    : 8,
 429                 'rgb'  : 9,
 430                 'rgba' : 10
 431 };
 432
 433 /*
 434  * .2, -.1 といったケースに対処
 435  *
 436  */
 437 function X_Node_CSS__splitValueAndUnit( v ){
 438         var num, _num, u;
 439         if( X.Type.isNumber( v ) ) return [ v || 0, '' ];
 440         num = parseFloat( v );
 441         if( num !== num ) return [ 0, '' ];
 442         _num = '' + num;
 443         if(  0 < num && num < 1 && v.charAt( 0 ) === '.' ) _num = _num.slice( 1 );
 444         if( -1 < num && num < 0 && v.charAt( 1 ) === '.' ) _num = '-.' + _num.substr( 2 );
 445         u = v.substr( v.indexOf( _num ) + _num.length );
 446         return [ num, X_Node_CSS_UNIT[ u ] ? u : 'px' ];
 447 };
 448                 /*
 449                 (function( obj ){
 450                         var test    = X_Node_CSS_SPECIAL_FIX_PROP,
 451                                 ret = [], p, id, v, bgpX, bgpY, clipT, clipB, clipL, clipR;
 452                         for( p in obj ){
 453                                 if( !( id = test[ p ] ) ) continue;
 454                                 v = obj[ p ];
 455                                 switch( id ){
 456                                         case 1 : //'backgroundPositionX' :
 457                                                 bgpX = v;
 458                                                 break;
 459                                         case 2 : //'backgroundPositionY' :
 460                                                 bgpY = v;
 461                                                 break;
 462                                         case 3 : //'clipTop' :
 463                                                 clipT = v;
 464                                                 break;
 465                                         case 4 : //'clipBottom' :
 466                                                 clipB = v;
 467                                                 break;
 468                                         case 5 : //'clipLeft' :
 469                                                 clipL = v;
 470                                                 break;
 471                                         case 6 : //'clipRight' :
 472                                                 clipR = v;
 473                                                 break;
 474                                 };
 475                         };
 476                         if( bgpX || bgpY ) ret[ ret.length ] = 'background-position:';
 477                         if( clipT || clipB || clipL || clipR ){
 478                                 ret[ ret.length ] = 'clip:rect(';
 479                         };
 480                         return ret.join( ';' );
 481                 }); */
 482
 483
 484
 485
 486 // export
 487 // name getter
 488 // unitID, name 単位指定のプロパティ取得 geter
 489 // obj setter
 490 // name, value setter
 491
 492 Node.prototype.css = function( nameOrObj /* orUnitID, valuOrUnitOrName */ ){
 493         var args = arguments,
 494                 css  = this._css,
 495                 p, name, v, plain, camelize, flags;
 496         if( !this._tag ) return this;
 497 // setter:object
 498         if( X.Type.isObject( nameOrObj ) ){
 499                 if( !css ) css = this._css = {};
 500                 plain    = X_EMPTY_OBJECT;
 501                 camelize = X_Node_CSS_camelize;
 502                 flags    = this._flags;
 503                 for( p in nameOrObj ){
 504                         if( plain[ p ] ) continue;
 505                         name = camelize( p );
 506                         v    = nameOrObj[ p ];
 507                         if( css[ name ] === v ) continue;
 508                         flags = X_Node_CSS_setStyle( css, flags, name, v );
 509                 };
 510                 this._flags = flags | X_Node_State.DIRTY_CSS | X_Node_State.OLD_CSSTEXT;
 511                 this._flags & X_Node_State.IN_TREE && X_Node_reserveUpdate();
 512                 delete this._cssText;
 513                 return this;
 514         } else
 515         if( 1 < args.length ){
 516 // setter name, value
 517                 if( !css ) css = this._css = {};
 518                 name = X_Node_CSS_camelize( nameOrObj );
 519                 v    = args[ 1 ];
 520                 if( css[ name ] === v ) return this;
 521                 this._flags = X_Node_CSS_setStyle( css, this._flags, name, v ) | X_Node_State.DIRTY_CSS | X_Node_State.OLD_CSSTEXT;
 522                 this._flags & X_Node_State.IN_TREE && X_Node_reserveUpdate();
 523                 delete this._cssText;
 524                 return this;
 525         };
 526 // getter
 527         if( !css ) return;
 528         // 集計 border, padding, margin, backgroundPosition, clip
 529         // TODO border で正確なデータを返せない時は、null を返す
 530         return css[ X_Node_CSS_camelize( nameOrObj ) ];
 531 };
 532
 533 function X_Node_CSS_setStyle( css, flags, name, newValue ){
 534
 535         if( X_Node_CSS_FILTER_FIX_PROPS && X_Node_CSS_FILTER_FIX_PROPS[ name ] ){
 536                 flags |= X_Node_State.DIRTY_IE_FILTER;
 537         };
 538         if( !newValue && newValue !== 0 ){
 539                 delete css[ name ];
 540         } else {
 541                 css[ name ] = newValue;
 542         };
 543
 544         switch( name ){
 545                 case 'display' :
 546                         newValue === 'none' ? ( flags |= X_Node_State.STYLE_IS_DISPLAY_NONE ) : ( flags &= ~X_Node_State.STYLE_IS_DISPLAY_NONE );
 547                         return flags;
 548
 549                 case 'visibility' :
 550                         // すでに opacity:0 で invisible
 551                         if( flags & X_Node_State.STYLE_IS_INVISIBLE && css[ 'opacity' ] == 0 ) return flags;
 552                         newValue === 'hidden' ? ( flags |= X_Node_State.STYLE_IS_INVISIBLE ) : ( flags &= ~X_Node_State.STYLE_IS_INVISIBLE );
 553                         return flags;
 554
 555                 case 'opacity' :
 556                         // すでに visibility:hidden で invisible
 557                         if( flags & X_Node_State.STYLE_IS_INVISIBLE && css[ 'visibility' ] === 'hidden' ) return flags;
 558                         newValue == 0 ? ( flags |= X_Node_State.STYLE_IS_INVISIBLE ) : ( flags &= ~X_Node_State.STYLE_IS_INVISIBLE );
 559                         return flags;
 560
 561                 case 'overflow' :
 562                         newValue === 'hidden' ? ( flags |= X_Node_State.STYLE_IS_NO_OVERFLOW ) : ( flags &= ~X_Node_State.STYLE_IS_NO_OVERFLOW );
 563                         return flags;
 564
 565                 case 'position' :
 566                         newValue === 'absolute' ? ( flags |= X_Node_State.STYLE_IS_POS_ABSOLUTE ) : ( flags &= ~X_Node_State.STYLE_IS_POS_ABSOLUTE );
 567                         return flags;
 568
 569                 case 'width'    :
 570                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
 571                         if( newValue[ 1 ] !== '%' ){
 572                                 flags |= X_Node_State.STYLE_IS_WIDTH_LENGTH;
 573                                 flags &= ~X_Node_State.STYLE_IS_WIDTH_PCT;
 574                         } else {
 575                                 flags &= ~X_Node_State.STYLE_IS_WIDTH_LENGTH;
 576                                 flags |= X_Node_State.STYLE_IS_WIDTH_PCT;
 577                         };
 578                         return flags;
 579
 580                 case 'height'   :
 581                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
 582                         if( newValue[ 1 ] !== '%' ){
 583                                 flags |= X_Node_State.STYLE_IS_HEIGHT_LENGTH;
 584                                 flags &= ~X_Node_State.STYLE_IS_HEIGHT_PCT;
 585                         } else {
 586                                 flags &= ~X_Node_State.STYLE_IS_HEIGHT_LENGTH;
 587                                 flags |= X_Node_State.STYLE_IS_HEIGHT_PCT;
 588                         };
 589                         return flags;
 590
 591                 case 'fontSize' :
 592
 593         };
 594         return flags;
 595 };
 596
 597 Node.prototype.cssText = function( v ){
 598         var obj, i, l, attr, name;
 599
 600         if( v === this._cssText && ( this._flags & X_Node_State.OLD_CSSTEXT ) === 0 ){
 601                 return this;
 602         };
 603
 604         if( v === '' ){
 605                 delete this._css;
 606                 delete this._cssText;
 607                 this._flags |= X_Node_State.DIRTY_CSS;
 608                 this._flags &= ~X_Node_State.OLD_CSSTEXT | ~X_Node_State.DIRTY_IE_FILTER;
 609                 this._flags &= X_Node_BITMASK_RESET_STYLE;
 610                 this._flags & X_Node_State.IN_TREE && X_Node_reserveUpdate();
 611                 return this;
 612         } else
 613         if( X.Type.isString( v ) ){
 614                 delete this._css;
 615                 obj = {};
 616                 v   = v.split( ';' ); // TODO content ";" などにも対応
 617                 for( i = 0, l = v.length; i < l; ++i ){
 618                         attr = v[ i ].split( ':' );
 619                         ( name = attr[ 0 ] ) && ( obj[ name ] = attr[ 1 ] || true );
 620                 };
 621                 return this.css( obj );
 622         };
 623         // getter
 624         this._flags & X_Node_State.OLD_CSSTEXT && X_Node_CSS_objToCssText( this );
 625         return this._cssText;
 626 };
 627
 628 /*
 629  * ここでは HTMLElement のチ1ェックは行わない！
 630  * TODO
 631  * body に css attr がセットされた場合には X_ViewPort_baseFontSize をクリア
 632  * class, id, attr(<font size><basefont>) の変更があった場合は、変更の適用の後、charSize を取得
 633  * css の場合は、計算で求めることが可能、content は影響しない
 634  * :hover, #target, が絡む場合、正しく扱えない
 635  */
 636 var
 637 X_Node_CSS_getCharSize =
 638         X_node_CSS_getComputedStyle ?
 639                 (function( that ){
 640                         X_Node_updateTimerID && X_Node_startUpdate();
 641                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 642                         if( that._fontSize ) return that._fontSize;
 643                         return that._fontSize = parseFloat( X_node_CSS_getComputedStyle( that._rawObject, null ).fontSize );
 644                 }) :
 645
 646         5.5 <= X_UA.IE ?
 647                 (function( that ){
 648                         var font, vu, v, u, _v;
 649                         X_Node_updateTimerID && X_Node_startUpdate();
 650                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 651                         if( that._fontSize ) return that._fontSize;
 652
 653                         font = that._rawObject.currentStyle.fontSize;
 654                         //font = that._css && that._css.fontSize || '1em';
 655                         vu   = X_Node_CSS__splitValueAndUnit( font );
 656                         v    = vu[ 0 ];
 657                         u    = vu[ 1 ];
 658
 659                         if( v === 0 ){
 660                                 if( v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that._fontSize = v;
 661                         } else {
 662                                 if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that._fontSize = v / _v;
 663                         };
 664                         switch( u ){
 665                                 case 'px' :
 666                                         return that._fontSize = v;
 667                                 case 'em' :
 668                                 // body まで辿ってしまった場合は？
 669                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v;
 670                                         break;
 671                                 case '%' :
 672                                 // body まで辿ってしまった場合は？
 673                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v / 100;
 674                         };
 675                         return 0;
 676                 }) :
 677         X_UA_DOM.W3C ?
 678                 (function( that ){
 679                         var elm, v;
 680                         X_Node_updateTimerID && X_Node_startUpdate();
 681                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 682                         if( that._fontSize ) return that._fontSize;
 683
 684                         that._rawObject.appendChild( elm = document.createElement( 'span' ) );
 685                         elm.style.cssText = 'display:block;position:absolute;top:0;left:0;visivility:hidden;line-height:1;height:1em;';
 686                         elm.innerHTML = 'X';
 687                         v = elm.offsetHeight;
 688                         that._rawObject.removeChild( elm );
 689                         return that._fontSize = v;
 690                 }) :
 691         X_UA_DOM.IE4 ?
 692                 (function( that ){
 693                         var font, vu, v, u, _v;
 694                         X_Node_updateTimerID && X_Node_startUpdate();
 695                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 696                         if( that._fontSize ) return that._fontSize;
 697
 698                         if( that._css && ( font = that._css.fontSize ) ){
 699                                 vu = X_Node_CSS__splitValueAndUnit( font );
 700                                 v  = vu[ 0 ];
 701                                 u  = vu[ 1 ];
 702
 703                                 if( v === 0 ){
 704                                         if( _v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that._fontSize = _v;
 705                                 } else {
 706                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that._fontSize = v / _v;
 707                                 };
 708                         } else {
 709                                 // 要素を生成して測定!
 710                                 ( that._rawObject || X_Node__ie4getRawNode( that ) ).insertAdjacentHTML( 'BeforeEnd', '<div id="ie4charsize" style="position:absolute;top:0;left:0;visivility:hidden;line-height:1;height:1em;">X</div>' );
 711                                 elm = document.all[ 'ie4charsize' ];
 712                                 v = elm.offsetHeight;
 713                                 elm.removeAttribute( 'id' ); // ?
 714                                 elm.outerHTML = '';
 715                                 return that._fontSize = v;
 716                         };
 717
 718                         switch( u ){
 719                                 case 'px' :
 720                                         return that._fontSize = v;
 721                                 case 'em' :
 722                                 // body まで辿ってしまった場合は？
 723                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v;
 724                                         break;
 725                                 case '%' :
 726                                 // body まで辿ってしまった場合は？
 727                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v / 100;
 728                         };
 729                         return 0;
 730                 }) :
 731                 0;
 732
 733 var X_Node_CSS_Support = {},
 734
 735         X_Node_CSS_SPECIAL_FIX_PROP = {
 736
 737                 transitionDuration : X_UA.Android && !X_UA.Chrome && function( v ){ // bad Android
 738                                 return parseFloat( v ) === 0 ? '0.001s' : v;
 739                         }
 740
 741                 //webkit boxShadow <color> が省略された場合。transparent になるのを color に
 742                 //webkit boxShadow が border-radius をはみ出す, background-image に グラデーションのないグラデーション指定
 743                 // http://melty.koume.in/android-bug-boxshadow-radius/
 744
 745         };
 746
 747 X.CSS = {
 748
 749         VENDER_PREFIX : X_Node_CSS_VENDER_PREFIX,
 750         // iscroll で使用
 751         uncamelize    : X_Node_CSS_uncamelize,
 752
 753         Support       : X_Node_CSS_Support
 754 };
 755
 756 /*
 757  *                              backgroundPositionX : testStyle.backgroundPositionX === undefined ? 3 : 0,
 758                                 backgroundPosiitonY : testStyle.backgroundPositionX === undefined ? 3 : 0,
 759                                 clipTop             : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 3 : 0,
 760                                 clipBottom          : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 4 : 0,
 761                                 clipLeft            : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 5 : 0,
 762                                 clipRight           : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 6 : 0
 763  */
 764
 765 (function(){
 766         var testStyle = X_UA.IE4 ? {} : ( /*document.documentElement ||*/ document.createElement( 'div' ) ).style,
 767                 temp      = testStyle.cssText,
 768                 vendors   = 'webkit,Webkit,Moz,moz,Ms,ms,O,o,khtml,Khtml'.split( ',' ),
 769                 searches  = (
 770                         'opacity,boxSizing,boxShadow,' +
 771                         'transform,transformOrigin,perspective,' +
 772                         'transisiton,transitionDelay,transitionProperty,transitionDuration,transitionTimingFunction,backfaceVisibility,willChange,filter,' +
 773                         'userSelect,touchSelect,touchAction,touchCallout,contentZooming,userDrag,tapHighlightColor' ).split( ',' ),
 774                 vendor, i, search, prop, j, v;
 775
 776         for( i = searches.length; i; ){
 777                 search = prop = searches[ --i ];
 778
 779                 if( testStyle[ prop ] === undefined ){
 780                         prop = prop.charAt( 0 ).toUpperCase() + prop.substr( 1 );
 781                         for( j = vendors.length; j; ){
 782                                 v = vendors[ --j ];
 783                                 if( testStyle[ v + prop ] !== undefined ){
 784                                         if( v === 'ms' ) v = 'Ms';// for ie9
 785                                         if( v === 'o' ) v = 'O';//for opera12
 786                                         X_Node_CSS_VENDER_PREFIX[ search ] = v + prop;
 787                                         break;
 788                                 };
 789                         };
 790                 } else {
 791                         X_Node_CSS_VENDER_PREFIX[ search ] = prop;
 792                 };
 793         };
 794
 795         testStyle.cssText = 'background:rgba(0,0,0,0.5);border-color:transparent';
 796         X_Node_CSS_Support[ 'rgba' ] = !!testStyle[ 'background' ];
 797         X_Node_CSS_Support[ 'transparent' ] = !!testStyle[ 'borderColor' ];
 798         // TODO border による三角形の可否
 799         // 2:完全、 1:透過に非対応(IE7-) 0:borderの描画が非標準で三角形が作れない
 800
 801                 /*
 802                  * chrome 1+, ff3.5(1.9.1), ie9+, opera10.5+, Safari3+(522)
 803                  */
 804         if( prop = X_Node_CSS_VENDER_PREFIX[ 'boxShadow' ] ){
 805
 806                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0';
 807                 X_Node_CSS_Support[ 'boxShadow' ] = !!testStyle[ prop ];
 808
 809                 /*
 810                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)
 811                  */
 812                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0, 0 0';
 813                 X_Node_CSS_Support[ 'boxShadowMulti' ] = !!testStyle[ prop ];
 814
 815                 /*
 816                  * https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow
 817                  * この値を用いる場合には、spread-radius を省略出来ません。box-shadow が効かないケースに遭遇した時はこの事を思い出して下さい。
 818                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)
 819                  *
 820                  * http://unformedbuilding.com/articles/considerations-when-using-the-box-shadow/
 821                  *  box-shadow:inset と border-radius を指定しているときの Google Chrome の表示
 822                  *  このバグは Windows と Linux で発生するようです。
 823                  *  Windows 版 Chrome 10.0.648.127 で修正されているのを確認しました。
 824                  */
 825                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0 inset';
 826                 X_Node_CSS_Support[ 'boxShadowInset' ] = testStyle[ prop ] && testStyle[ prop ].indexOf( 'inset' ) !== -1;
 827
 828         };
 829
 830
 831         testStyle.cssText = temp;
 832
 833 })();
 834
 835 X_ViewPort.listenOnce( X_TEMP.SYSTEM_EVENT_INIT, function(){
 836         var xnode  = X_Node_systemNode,
 837                 output = X_Node_CSS__UNIT_RATIO,
 838                 list   = 'cm,mm,in,pt,pc'.split( ',' ),
 839                 unit, size, base, i;
 840
 841         for( i = list.length; i; ){
 842                 unit = list[ --i ];
 843                 output[ unit ] = xnode.css( 'width', 10 + unit ).width() / 10;
 844         };
 845
 846         output = X_Node_CSS__FONT_SIZE_RATIO,
 847         list   = 'xx-large,x-large,large,larger,medium,small,smaller,x-small,xx-small'.split( ',' );
 848         xnode.css( { lineHeight : '100%', height : '1em' } ).text( 'X' );
 849
 850         for( i = list.length; i; ){
 851                 size = list[ --i ];
 852                 output[ size ] = xnode.css( 'fontSize', size ).height();// / base;
 853         };
 854
 855         xnode.cssText( '' ).empty();
 856 });
 857