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[pettanr/clientJs.git] / 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, skipFilter ){
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;
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         if( filterFix ){
280                 v = X_Node_CSS_objToIEFilterText( that, filterFix );
281                 if( v ) css[ ++n ] = 'filter:' + v;
282                 skipFilter = skipFilter && v;
283         } else {
284                 skipFilter = false;
285         };
286         
287         if( 0 <= n ){
288                 that._cssText = css.join( ';' );
289                 if( skipFilter ){
290                         --css.length;
291                         return css.join( ';' );
292                 };
293                 return that._cssText;
294         };
295         delete that._cssText;
296         return '';
297 };
298
299 var
300 X_Node_CSS_FILTER_FIX_PROPS =
301         X_UA.ActiveX && X_UA.IE < 9 && !X_UA.MacIE ?
302                 {
303                         opacity    : 2,
304                         boxShadow  : 3,
305                         textShadow : 4
306                 } :
307         X_UA.ActiveX && X_UA.IE9 ? // == 9
308                 {
309                         textShadow : 4
310                 } :
311                 null;
312
313 function X_Node_CSS_objToIEFilterText( that, opt_css ){
314         var obj     = opt_css || that._css,
315                 test    = X_Node_CSS_FILTER_FIX_PROPS,
316                 filters = [],
317                 n       = -1,
318                 p, id, v, num, ary, params, i, l, dir,
319                 afterUpdate, impossible;
320         for( p in obj ){
321                 if( X_EMPTY_OBJECT[ p ] ) continue;
322                 
323                 if( !( id = test[ p ] ) ) continue;
324                 v = obj[ p ];
325                 
326                 switch( id ){
327                         case 1 : //'filter' :
328                                 filters[ ++n ] = v;
329                                 break;
330                         case 2 : //'opacity' :
331                                 filters[ ++n ] = 'alpha(opacity=' + ( v * 100 | 0 ) +')';
332                                 break;
333                         case 3 : //'boxShadow' :
334                                 // TODO カンマ区切りの複数指定
335                                 // box-shadow: 10px 10px 10px 10px rgba(0,0,0,0.4) inset;
336                                 // 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
337                                 // https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow
338                                 // <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)
339                                 // shadow(color=#cccccc, strength=10, direction=135);
340                                 ary = v.split( ' ' );
341                                 params = [ 0, 0, 0, 0 ]; // offset-x, offset-y, blur-radius, spread-radius
342                                 for( i = 0, l = ary.length; i < l; ++i ){
343                                         v = ary[ i ];
344                                         num = i < 4 && parsetFloat( v );
345                                         
346                                         if( num === num ){
347                                                 vu = X_Node_CSS__splitValueAndUnit( v );
348                                                 v  = vu[ 0 ];
349                                                 u  = vu[ 1 ];
350                                                 if( v ){
351                                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ){
352                                                                 params[ i ] = v / _v;
353                                                         } else {
354                                                                 switch( u ){
355                                                                         case 'px' :
356                                                                                 params[ i ] = v;
357                                                                                 break;
358                                                                         case 'em' :
359                                                                                 if( X_Node_updateTimerID ){
360                                                                                         afterUpdate = true;
361                                                                                 } else {
362                                                                                         params[ i ] = X_Node_CSS_getCharSize( that ) * v;
363                                                                                 };
364                                                                         default :
365                                                                                 params[ i ] = 0;
366                                                                                 break;
367                                                                 };                                                              
368                                                         };
369                                                 } else {
370                                                         params[ i ] = 0;
371                                                 };
372                                         } else
373                                         if( v.charAt( 0 ) === '#' || v.indexOf( 'rgb' ) === 0 || X_Node_CSS_COLOR[ v.toUpperCase() ] ){
374                                                 v = X_Node_CSS_parseColor( v );
375                                                 if( 0 <= v && v < 0x100000 ){
376                                                         color = '00000' + v.toString( 16 );
377                                                         color = '#' + color.substr( color.length - 6 );
378                                                 } else
379                                                 if( v ){
380                                                         color = '#' + v.toString( 16 );
381                                                 };
382                                         } else                                  
383                                         if( v === 'inset' ){
384                                                 impossible = true;
385                                         } else {
386                                                 // unknown
387                                         };
388                                 };
389                                 if( impossible || !color ){
390                                         break;
391                                 };
392                                 if( afterUpdate ){
393                                         // AFTER_UPDATE 時に 再計算
394                                         X_ViewPort.listenOnce( X_Event.AFTER_UPDATE, that, X_Node_CSS_onAfterUpdateForIEFilterFix );
395                                         break;
396                                 };
397                                 dir = Math.atan2( params[ 1 ] + params[ 3 ], params[ 0 ] + params[ 3 ] ) * 180 / Math.PI + 90;
398                                 dir += dir < 0 ? 360 : 0;
399                                 filters[ ++n ] = 'shadow(color=' + color + ',strength=' + params[ 3 ] + ',direction=' + ( dir | 0 ) + ')';
400                                 break;
401                         case 4 : //'textShadow' :
402                                 //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
403                                 //glow(Color=yellow,Strength=10);
404                                 //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
405                                 break;
406                         case 5 : //'backgroundImage' :
407                                 //
408                 };
409         };
410         return filters.join( ' ' );
411 };
412
413 function X_Node_CSS_onAfterUpdateForIEFilterFix(){
414         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
415                 this._flags |= X_Node_State.DIRTY_IE_FILTER;
416                 X_Node_reserveUpdate();
417         };
418 };
419
420
421         /*
422          * http://css-eblog.com/ie-css-problems/rgba-pe.html
423          * ie67 では rgb() は background-color で反応しない、、、
424          */
425         
426 var     
427 X_Node_CSS_UNIT = {
428                 'px'   : 0,
429                 'em'   : 1,
430                 // ex, rem, vh, vw, vmin, vmax
431                 'cm'   : 2,
432                 'mm'   : 3,
433                 'in'   : 4,
434                 // pt, pc, mozmm
435                 '%'    : 5,
436                 'pct'  : 5,
437                 'ms'   : 6,
438                 's'    : 7,
439                 '#'    : 8,
440                 'rgb'  : 9,
441                 'rgba' : 10
442 };
443
444 /*
445  * .2, -.1 といったケースに対処
446  * 
447  */
448 function X_Node_CSS__splitValueAndUnit( v ){
449         var num, _num, u;
450         if( X.Type.isNumber( v ) ) return [ v || 0, '' ];
451         num = parseFloat( v );
452         if( num !== num ) return [ 0, '' ];
453         _num = '' + num;
454         if(  0 < num && num < 1 && v.charAt( 0 ) === '.' ) _num = _num.slice( 1 );
455         if( -1 < num && num < 0 && v.charAt( 1 ) === '.' ) _num = '-.' + _num.substr( 2 );
456         u = v.substr( v.indexOf( _num ) + _num.length );
457         return [ num, X_Node_CSS_UNIT[ u ] ? u : 'px' ];
458 };
459                 /*
460                 (function( obj ){
461                         var test    = X_Node_CSS_SPECIAL_FIX_PROP,
462                                 ret = [], p, id, v, bgpX, bgpY, clipT, clipB, clipL, clipR;
463                         for( p in obj ){
464                                 if( !( id = test[ p ] ) ) continue;
465                                 v = obj[ p ];
466                                 switch( id ){
467                                         case 1 : //'backgroundPositionX' :
468                                                 bgpX = v;
469                                                 break;
470                                         case 2 : //'backgroundPositionY' :
471                                                 bgpY = v;
472                                                 break;
473                                         case 3 : //'clipTop' :
474                                                 clipT = v;
475                                                 break;
476                                         case 4 : //'clipBottom' :
477                                                 clipB = v;
478                                                 break;
479                                         case 5 : //'clipLeft' :
480                                                 clipL = v;
481                                                 break;
482                                         case 6 : //'clipRight' :
483                                                 clipR = v;
484                                                 break;
485                                 };
486                         };
487                         if( bgpX || bgpY ) ret[ ret.length ] = 'background-position:';
488                         if( clipT || clipB || clipL || clipR ){
489                                 ret[ ret.length ] = 'clip:rect(';
490                         };
491                         return ret.join( ';' );
492                 }); */
493
494
495
496
497 // export
498 // name getter
499 // unitID, name 単位指定のプロパティ取得 geter
500 // obj setter
501 // name, value setter
502
503 Node.prototype.css = function( nameOrObj /* orUnitID, valuOrUnitOrName */ ){
504         var args = arguments,
505                 css  = this._css,
506                 p, name, v, plain, camelize, flags;
507         if( !this._tag ) return this;
508 // setter:object
509         if( X.Type.isObject( nameOrObj ) ){
510                 if( !css ) css = this._css = {};
511                 plain    = X_EMPTY_OBJECT;
512                 camelize = X_Node_CSS_camelize;
513                 flags    = this._flags;
514                 for( p in nameOrObj ){
515                         if( plain[ p ] ) continue;
516                         name = camelize( p );
517                         v    = nameOrObj[ p ];
518                         if( css[ name ] === v ) continue;
519                         flags = X_Node_CSS_setStyle( css, flags, name, v );
520                 };
521                 this._flags = flags | 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         } else
526         if( 1 < args.length ){
527 // setter name, value
528                 if( !css ) css = this._css = {};
529                 name = X_Node_CSS_camelize( nameOrObj );
530                 v    = args[ 1 ];
531                 if( css[ name ] === v ) return this;
532                 this._flags = X_Node_CSS_setStyle( css, this._flags, name, v ) | X_Node_State.DIRTY_CSS | X_Node_State.OLD_CSSTEXT;
533                 this._flags & X_Node_State.IN_TREE && X_Node_reserveUpdate();
534                 delete this._cssText;
535                 return this;
536         };
537 // getter
538         if( !css ) return;
539         // 集計 border, padding, margin, backgroundPosition, clip
540         // TODO border で正確なデータを返せない時は、null を返す
541         return css[ X_Node_CSS_camelize( nameOrObj ) ];
542 };
543
544 function X_Node_CSS_setStyle( css, flags, name, newValue ){
545
546         if( X_Node_CSS_FILTER_FIX_PROPS && X_Node_CSS_FILTER_FIX_PROPS[ name ] ){
547                 flags |= X_Node_State.DIRTY_IE_FILTER;
548         };
549         if( !newValue && newValue !== 0 ){
550                 delete css[ name ];
551         } else {
552                 css[ name ] = newValue;
553         };
554         
555         switch( name ){
556                 case 'display' :
557                         newValue === 'none' ? ( flags |= X_Node_State.STYLE_IS_DISPLAY_NONE ) : ( flags &= ~X_Node_State.STYLE_IS_DISPLAY_NONE );
558                         return flags;
559                         
560                 case 'visibility' :
561                         // すでに opacity:0 で invisible
562                         if( flags & X_Node_State.STYLE_IS_INVISIBLE && css[ 'opacity' ] == 0 ) return flags;
563                         newValue === 'hidden' ? ( flags |= X_Node_State.STYLE_IS_INVISIBLE ) : ( flags &= ~X_Node_State.STYLE_IS_INVISIBLE );
564                         return flags;
565                         
566                 case 'opacity' :
567                         // すでに visibility:hidden で invisible
568                         if( flags & X_Node_State.STYLE_IS_INVISIBLE && css[ 'visibility' ] === 'hidden' ) return flags;
569                         newValue == 0 ? // 0 or "0"
570                                 ( flags |= X_Node_State.STYLE_IS_INVISIBLE ) : ( flags &= ~X_Node_State.STYLE_IS_INVISIBLE );
571                         return flags;
572                         
573                 case 'overflow' :
574                         newValue === 'hidden' ? ( flags |= X_Node_State.STYLE_IS_NO_OVERFLOW ) : ( flags &= ~X_Node_State.STYLE_IS_NO_OVERFLOW );
575                         return flags;
576                         
577                 case 'position' :
578                         newValue === 'absolute' ? ( flags |= X_Node_State.STYLE_IS_POS_ABSOLUTE ) : ( flags &= ~X_Node_State.STYLE_IS_POS_ABSOLUTE );
579                         return flags;
580                         
581                 case 'width'    :
582                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
583                         if( newValue[ 1 ] !== '%' ){
584                                 flags |= X_Node_State.STYLE_IS_WIDTH_LENGTH;
585                                 flags &= ~X_Node_State.STYLE_IS_WIDTH_PCT;
586                         } else {
587                                 flags &= ~X_Node_State.STYLE_IS_WIDTH_LENGTH;
588                                 flags |= X_Node_State.STYLE_IS_WIDTH_PCT;
589                         };
590                         return flags;
591                         
592                 case 'height'   :
593                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
594                         if( newValue[ 1 ] !== '%' ){
595                                 flags |= X_Node_State.STYLE_IS_HEIGHT_LENGTH;
596                                 flags &= ~X_Node_State.STYLE_IS_HEIGHT_PCT;
597                         } else {
598                                 flags &= ~X_Node_State.STYLE_IS_HEIGHT_LENGTH;
599                                 flags |= X_Node_State.STYLE_IS_HEIGHT_PCT;
600                         };
601                         return flags;
602                         
603                 case 'fontSize' :
604                         
605         };
606         return flags;
607 };
608
609 Node.prototype.cssText = function( v ){
610         var obj, i, l, attr, name;
611         
612         if( v === this._cssText && ( this._flags & X_Node_State.OLD_CSSTEXT ) === 0 ){
613                 return this;
614         };      
615         
616         if( v === '' ){
617                 delete this._css;
618                 delete this._cssText;
619                 this._flags |= X_Node_State.DIRTY_CSS | X_Node_State.DIRTY_IE_FILTER;
620                 this._flags &= ~X_Node_State.OLD_CSSTEXT;
621                 this._flags & X_Node_State.IN_TREE && X_Node_reserveUpdate();
622                 return this;
623         } else
624         if( X.Type.isString( v ) ){
625                 delete this._css;
626                 obj = {};
627                 v   = v.split( ';' ); // TODO content ";" などにも対応 <- 不要 :before :after 疑似要素には触らない
628                 for( i = 0, l = v.length; i < l; ++i ){
629                         attr = v[ i ].split( ':' );
630                         ( name = attr[ 0 ] ) && ( obj[ name ] = attr[ 1 ] || true );
631                 };
632                 return this.css( obj );
633         };
634         // getter
635         this._flags & X_Node_State.OLD_CSSTEXT && X_Node_CSS_objToCssText( this );
636         return this._cssText;
637 };
638
639 /*
640  * ここでは HTMLElement のチ1ェックは行わない!
641  * TODO
642  * body に css attr がセットされた場合には X_ViewPort_baseFontSize をクリア
643  * 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
644  * css の場合は、計算で求めることが可能、content は影響しない
645  * :hover, #target, が絡む場合、正しく扱えない
646  */
647 var
648 X_Node_CSS_getCharSize =
649         X_node_CSS_getComputedStyle ?
650                 (function( that ){
651                         X_Node_updateTimerID && X_Node_startUpdate();
652                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
653                         if( that._fontSize ) return that._fontSize;
654                         return that._fontSize = parseFloat( X_node_CSS_getComputedStyle( that._rawObject, null ).fontSize );
655                 }) :
656
657         5.5 <= X_UA.IE ?
658                 (function( that ){
659                         var font, vu, v, u, _v;
660                         X_Node_updateTimerID && X_Node_startUpdate();
661                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
662                         if( that._fontSize ) return that._fontSize;
663                         
664                         font = that._rawObject.currentStyle.fontSize;
665                         //font = that._css && that._css.fontSize || '1em';
666                         vu   = X_Node_CSS__splitValueAndUnit( font );
667                         v    = vu[ 0 ];
668                         u    = vu[ 1 ];
669
670                         if( v === 0 ){
671                                 if( v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that._fontSize = v;
672                         } else {
673                                 if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that._fontSize = v / _v;
674                         };
675                         switch( u ){
676                                 case 'px' :
677                                         return that._fontSize = v;
678                                 case 'em' :
679                                 // body まで辿ってしまった場合は?
680                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v;
681                                         break;
682                                 case '%' :
683                                 // body まで辿ってしまった場合は?
684                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v / 100;
685                         };
686                         return 0;
687                 }) :
688         X_UA_DOM.W3C ?
689                 (function( that ){
690                         var elm, v;
691                         X_Node_updateTimerID && X_Node_startUpdate();
692                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
693                         if( that._fontSize ) return that._fontSize;
694
695                         that._rawObject.appendChild( elm = document.createElement( 'span' ) );
696                         elm.style.cssText = 'display:block;position:absolute;top:0;left:0;visivility:hidden;line-height:1;height:1em;';
697                         elm.innerHTML = 'X';
698                         v = elm.offsetHeight;
699                         that._rawObject.removeChild( elm );
700                         return that._fontSize = v;
701                 }) :
702         X_UA_DOM.IE4 ?
703                 (function( that ){
704                         var font, vu, v, u, _v;
705                         X_Node_updateTimerID && X_Node_startUpdate();
706                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
707                         if( that._fontSize ) return that._fontSize;
708                         
709                         if( that._css && ( font = that._css.fontSize ) ){
710                                 vu = X_Node_CSS__splitValueAndUnit( font );
711                                 v  = vu[ 0 ];
712                                 u  = vu[ 1 ];
713                                 
714                                 if( v === 0 ){
715                                         if( _v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that._fontSize = _v;
716                                 } else {
717                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that._fontSize = v / _v;
718                                 };
719                         } else {
720                                 // 要素を生成して測定!
721                                 ( 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>' );
722                                 elm = document.all[ 'ie4charsize' ];
723                                 v = elm.offsetHeight;
724                                 elm.removeAttribute( 'id' ); // ?
725                                 elm.outerHTML = '';
726                                 return that._fontSize = v;
727                         };
728
729                         switch( u ){
730                                 case 'px' :
731                                         return that._fontSize = v;
732                                 case 'em' :
733                                 // body まで辿ってしまった場合は?
734                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v;
735                                         break;
736                                 case '%' :
737                                 // body まで辿ってしまった場合は?
738                                         if( that.parent ) return that._fontSize = X_Node_CSS_getCharSize( that.parent ) * v / 100;
739                         };
740                         return 0;
741                 }) :
742                 0;
743
744 var X_Node_CSS_Support = {},
745
746         X_Node_CSS_SPECIAL_FIX_PROP = {
747                 
748                 transitionDuration : X_UA.Android && !X_UA.Chrome && function( v ){ // bad Android
749                                 return parseFloat( v ) === 0 ? '0.001s' : v;
750                         }
751                 
752                 //webkit boxShadow <color> が省略された場合。transparent になるのを color に
753                 //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
754                 // http://melty.koume.in/android-bug-boxshadow-radius/
755                 
756         };
757
758 X.CSS = {
759         
760         VENDER_PREFIX : X_Node_CSS_VENDER_PREFIX,
761         // iscroll で使用
762         uncamelize    : X_Node_CSS_uncamelize,
763         
764         Support       : X_Node_CSS_Support
765 };
766
767 /*
768  *                              backgroundPositionX : testStyle.backgroundPositionX === undefined ? 3 : 0,
769                                 backgroundPosiitonY : testStyle.backgroundPositionX === undefined ? 3 : 0,
770                                 clipTop             : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 3 : 0,
771                                 clipBottom          : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 4 : 0,
772                                 clipLeft            : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 5 : 0,
773                                 clipRight           : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 6 : 0
774  */
775
776 (function(){
777         var testStyle = X_UA.IE4 ? {} : ( /*document.documentElement ||*/ document.createElement( 'div' ) ).style,
778                 temp      = testStyle.cssText,
779                 vendors   = 'webkit,Webkit,Moz,moz,Ms,ms,O,o,khtml,Khtml'.split( ',' ),
780                 searches  = (
781                         'opacity,boxSizing,boxShadow,' +
782                         'transform,transformOrigin,perspective,' +
783                         'transisiton,transitionDelay,transitionProperty,transitionDuration,transitionTimingFunction,backfaceVisibility,willChange,filter,' +
784                         'userSelect,touchSelect,touchAction,touchCallout,contentZooming,userDrag,tapHighlightColor' ).split( ',' ),
785                 vendor, i, search, prop, j, v;
786
787         for( i = searches.length; i; ){
788                 search = prop = searches[ --i ];
789                 
790                 if( testStyle[ prop ] === undefined ){
791                         prop = prop.charAt( 0 ).toUpperCase() + prop.substr( 1 );
792                         for( j = vendors.length; j; ){
793                                 v = vendors[ --j ];
794                                 if( testStyle[ v + prop ] !== undefined ){
795                                         if( v === 'ms' ) v = 'Ms';// for ie9
796                                         if( v === 'o' ) v = 'O';//for opera12
797                                         X_Node_CSS_VENDER_PREFIX[ search ] = v + prop;
798                                         break;
799                                 };
800                         };                              
801                 } else {
802                         X_Node_CSS_VENDER_PREFIX[ search ] = prop;
803                 };
804         };
805         
806         testStyle.cssText = 'background:rgba(0,0,0,0.5);border-color:transparent';
807         X_Node_CSS_Support[ 'rgba' ] = !!testStyle[ 'background' ];
808         X_Node_CSS_Support[ 'transparent' ] = !!testStyle[ 'borderColor' ];
809         // TODO border による三角形の可否
810         // 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
811         
812                 /*
813                  * chrome 1+, ff3.5(1.9.1), ie9+, opera10.5+, Safari3+(522)
814                  */
815         if( prop = X_Node_CSS_VENDER_PREFIX[ 'boxShadow' ] ){
816                 
817                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0';
818                 X_Node_CSS_Support[ 'boxShadow' ] = !!testStyle[ prop ];
819
820                 /*
821                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)
822                  */
823                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0, 0 0';
824                 X_Node_CSS_Support[ 'boxShadowMulti' ] = !!testStyle[ prop ];
825                 
826                 /*
827                  * https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow
828                  * 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。
829                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)
830                  * 
831                  * http://unformedbuilding.com/articles/considerations-when-using-the-box-shadow/
832                  *  box-shadow:inset と border-radius を指定しているときの Google Chrome の表示
833                  *  このバグは Windows と Linux で発生するようです。
834                  *  Windows 版 Chrome 10.0.648.127 で修正されているのを確認しました。
835                  */
836                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0 inset';
837                 X_Node_CSS_Support[ 'boxShadowInset' ] = testStyle[ prop ] && testStyle[ prop ].indexOf( 'inset' ) !== -1;
838
839         };
840
841         
842         testStyle.cssText = temp;
843
844 })();
845
846 X_ViewPort.listenOnce( X_TEMP.SYSTEM_EVENT_INIT, function(){
847         var xnode  = X_Node_systemNode,
848                 output = X_Node_CSS__UNIT_RATIO,
849                 list   = 'cm,mm,in,pt,pc'.split( ',' ),
850                 unit, size, base, i;
851         
852         for( i = list.length; i; ){
853                 unit = list[ --i ];
854                 output[ unit ] = xnode.css( 'width', 10 + unit ).width() / 10;
855         };
856
857         output = X_Node_CSS__FONT_SIZE_RATIO,
858         list   = 'xx-large,x-large,large,larger,medium,small,smaller,x-small,xx-small'.split( ',' );
859         xnode.css( { lineHeight : '100%', height : '1em' } ).text( 'X' );
860         
861         for( i = list.length; i; ){
862                 size = list[ --i ];
863                 output[ size ] = xnode.css( 'fontSize', size ).height();// / base;
864         };
865         
866         xnode.cssText( '' ).empty();
867 });
868