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[pettanr/clientJs.git] / 0.6.x / js / 02_dom / 03_XDomEvent.js
1 /**\r
2  * use X.Callback\r
3  * \r
4  * http://d.hatena.ne.jp/uupaa/20100430/1272561922\r
5  * event.offsetX と offsetY の互換性について\r
6  * \r
7  * http://www.keynavi.net/ja/tipsj/gokan.html\r
8  * Safari : マウスイベントは大丈夫ですが ページ全体に対するキーイベントをきちんと扱えない問題があります。 \r
9  * その他、リンクに対するフォーカス(element.focus())の動作がおかしい、 スクリーン上のマウス位置(event.screenX/Y)をブラウザ画面の 左下隅から計算する などの問題があり修正が待たれます。 \r
10  * \r
11  */\r
12 \r
13 // http://msdn.microsoft.com/ja-jp/library/ie/dn255104%28v=vs.85%29.aspx\r
14 var X_Dom_Event_devicePixelRatio = window.devicePixelRatio || ( window.screen.deviceXDPI / window.screen.logicalXDPI ),\r
15         X_Dom_Event_convertMSPointerType = window.MSPointerEvent && [ 0, 0, 'touch', 'pen', 'mouse' ];/*{\r
16                 '2' : 'touch',\r
17                 '3' : 'pen',\r
18                 '4' : 'mouse'\r
19         }; */\r
20 \r
21 if( !X_UA.IE || 9 <= X_UA.IE ){\r
22         X.Dom.Event = function( e, xnode ){\r
23                 var originalType = e.type,\r
24                         type, pointerType,\r
25                         touches, events,\r
26                         altKey, ctrlKey, metaKey, shiftKey, target, related,\r
27                         elm, i, n, time, touch, ev;\r
28                 \r
29                 //this._event        = e;\r
30                 this.type          = type = X_Event_RenameTo[ originalType ] || originalType;\r
31                 \r
32                 console.log( 'original : ' + originalType + ' > ' + type );\r
33                 // http://msdn.microsoft.com/ja-jp/library/ie/dn304886%28v=vs.85%29.aspx\r
34                 // ポインター イベントの更新\r
35                 if( e.pointerType ){\r
36                         // PointerEvent;\r
37                         if( X_Dom_Event_convertMSPointerType ){\r
38                                 this.pointerType   = X_Dom_Event_convertMSPointerType[ e.pointerType ];\r
39                                 this.pressure      = e.pressure || ( e.button !== -1 ? 0.5 : 0 );\r
40                                 // ポインターの接触形状の スクリーン ピクセル単位の幅と高さ なので変換。(多分、、、)\r
41                                 this.width         = e.width  / X_Dom_Event_devicePixelRatio;\r
42                                 this.height        = e.height / X_Dom_Event_devicePixelRatio;                   \r
43                         } else {\r
44                                 this.pointerType   = e.pointerType;\r
45                                 this.pressure      = e.pressure;\r
46                                 // ポインターの接触形状の CSS ピクセル単位の幅と高さ。\r
47                                 this.width         = e.width;\r
48                                 this.height        = e.height;\r
49                         };\r
50 \r
51                         switch( this.pointerType ){\r
52                                 case 'pen' :\r
53                                         //Y-Z 平面と、ペンの軸が含まれる平面の間の角度を返します。Y 軸の範囲は -90 ~ +90 です。X の傾きの正の方向は右方向です。\r
54                                         this.tiltX         = e.tiltX;\r
55                                         this.tiltY         = e.tiltY;\r
56                                         if( originalType === 'MSPointerHover' ){\r
57                                                 this.type = 'pointermove'; // ie10 には pointerhover と pointermoveがあり、ie11 で一本化。ie11 では buttons を見て hover 状態を判定\r
58                                         };\r
59                                 case 'touch' :\r
60                                         this.radiusX       = e.radiusX;\r
61                                         this.radiusY       = e.radiusY;\r
62                                         this.rotationAngle = e.rotationAngle;\r
63                                 case 'mouse' :\r
64                         };\r
65                         \r
66                         this.button        = e.button;\r
67                         this.buttons       = e.buttons;\r
68                                                 \r
69                         this.pointerId     = e.pointerId;                       \r
70                         this.target        = X_Node_getXNode( e.target );\r
71                         this.relatedTarget = X_Node_getXNode( e.relatedTarget ); // xnode\r
72                         this.isPrimary     = e.isPrimary;\r
73                         this.hwTimestamp   = e.hwTimestamp;\r
74                         this.timestamp     = e.timestamp;\r
75 \r
76                         this.altKey        = e.altKey;\r
77                         this.ctrlKey       = e.ctrlKey;\r
78                         this.metaKey       = e.metaKey;\r
79                         this.shiftKey      = e.shiftKey;\r
80                         //this.screenX       = touch.screenX;\r
81                         //this.screenY       = touch.screenY;\r
82                         this.clientX       = e.clientX;\r
83                         this.clientY       = e.clientY;\r
84                         this.pageX         = e.pageX;\r
85                         this.pageY         = e.pageY;\r
86                         this.offsetX       = e.offsetX;\r
87                         this.offsetY       = e.offsetY;\r
88                 } else\r
89                 if( pointerType = X_Event_toPointer[ originalType ] ){\r
90                         // Touch or Mouse\r
91                         \r
92                         /* e.constructor === window.TouchEvent -> e.touches for iOS3.13 */\r
93                         if( touches = e.changedTouches ){\r
94                                 if( touches.length === 0 ){\r
95                                         alert( 'e.changedTouches.length === 0' );\r
96                                 };\r
97                                 xnode._cancelMouse = pointerType;\r
98                                 \r
99                                 events   = [];\r
100                                 altKey   = e.altKey;\r
101                                 ctrlKey  = e.ctrlKey;\r
102                                 metaKey  = e.metaKey;\r
103                                 shiftKey = e.shiftKey;\r
104                                 time     = X_Timer_now();\r
105                                 for( i = touches.length; i; ){\r
106                                         touch   = touches[ --i ];\r
107                                         target  = touch.target;\r
108                                         related = touch.relatedTarget;\r
109                                         events[ i ] = {\r
110                                                 type          : pointerType,\r
111                                                 pointerType   : 'touch',\r
112                                                 target        : X_Node_getXNode( target.nodeType === 3 ? target.parentNode : target ),// defeat Safari bug // xnodetouch.target,\r
113                                                 currentTarget : xnode,\r
114                                                 relatedTarget : X_Node_getXNode( related.nodeType === 3 ? related.parentNode : related ), // xnode\r
115                                                 isPrimary     : true,\r
116                                                 hwTimestamp   : time,\r
117                                                 timestamp     : time,\r
118                                                 buttons       : e.button,\r
119                                                 buttons       : e.buttons || e.button,\r
120                                                 altKey        : altKey,\r
121                                                 ctrlKey       : ctrlKey,\r
122                                                 metaKey       : metaKey,\r
123                                                 shiftKey      : shiftKey,\r
124                                                 pointerId     : touch.identifier + 2,\r
125                                                 //screenX       : touch.screenX,\r
126                                                 //screenY       : touch.screenY,\r
127                                                 clientX       : touch.clientX,\r
128                                                 clientY       : touch.clientY,\r
129                                                 pageX         : touch.pageX,\r
130                                                 pageY         : touch.pageY,\r
131                                                 offsetX       : touch.offsetX, // 要素上の座標を取得 \r
132                                                 offsetY       : touch.offsetY,\r
133                                                 radiusX       : touch.radiusX || 0,\r
134                                                 radiusY       : touch.radiusY || 0,\r
135                                                 rotationAngle : touch.rotationAngle || 0,\r
136                                                 pressure      : touch.force || touch.webkitForce || ( isEnd ? 0 : 0.5 ),\r
137                                                 width         : touch.width || 0,\r
138                                                 height        : touch.height || 0\r
139                                         };\r
140                                 };\r
141                                 return events.length === 1 ? events[ 0 ] : events;\r
142                         } else {\r
143                                 \r
144                                 if( xnode._cancelMouse === pointerType ){\r
145                                         delete xnode._cancelMouse;\r
146                                         console.log( '**** xnode._cancelMouse ' + xnode._cancelMouse );\r
147                                         return [];\r
148                                 };\r
149                                 \r
150                                 // MouseEvent;\r
151                                 this.type          = type;\r
152                                 this.pointerType   = 'mouse';\r
153                                 \r
154                                 this.button        = e.button !== undefined ? e.button :\r
155                                                                          e.which !== undefined ? e.which - 1 : -1;\r
156                                 this.buttons       = e.buttons !== undefined ? e.buttons : this.button === 0 ? 1 : this.button === 1 ? 2 : this.button === 2 ? 4 : 0;\r
157                                 this.pressure      = ( this.button !== -1 ? 0.5 : 0 );\r
158                                 \r
159                                 elm = e.target;\r
160                                 this.target        = X_Node_getXNode( elm.nodeType === 3 ? elm.parentNode : elm );// defeat Safari bug // xnodetouch.target;\r
161                                 this.isPrimary     = true;\r
162                                 this.hwTimestamp   = this.timestamp = X_Timer_now(); \r
163                                 this.altKey        = e.altKey;\r
164                                 this.ctrlKey       = e.ctrlKey;\r
165                                 this.metaKey       = e.metaKey;\r
166                                 this.shiftKey      = e.shiftKey;\r
167                                 this.pointerId     = 1;\r
168                                 //this.screenX       = touch.screenX;\r
169                                 //this.screenY       = touch.screenY;\r
170                                 // TODO http://uupaa-js.googlecode.com/svn-history/r8/trunk/doc/reference/symbols/src/trunk_uu.module.ui.js.html\r
171                                 // Safari2ではclientX,YはpageX,Yと同じ値を返す\r
172                                 this.clientX       = e.clientX;\r
173                                 this.clientY       = e.clientY;\r
174                                 this.pageX         = e.pageX;\r
175                                 this.pageY         = e.pageY;\r
176                                 this.offsetX       = e.offsetX || e.layerX; // 要素上の座標を取得 \r
177                                 this.offsetY       = e.offsetY || e.layerY;\r
178                                 \r
179                         // http://www.programming-magic.com/20090127231544/\r
180                         // Opera で button==2の場合、コンテキストメニューイベントを発火 「ツール」->「設定」->「詳細設定」->「コンテンツ」->「Javascriptオプション」で「右クリックを制御するスクリプトを許可する」\r
181                                 if( originalType === 'mousedown' && this.button === 2 && X_UA.Opera ){\r
182                                         events = [ X.Object.clone( this ), X.Object.clone( this ) ];\r
183                                         events[ 1 ].type = 'contextmenu';\r
184                                         return events;\r
185                                 };\r
186                         };\r
187                 } else {\r
188                         // Other\r
189                         \r
190                         this.keyCode       = e.keyCode || e.which;\r
191                         this.altKey        = e.altKey;\r
192                         this.ctrlKey       = e.ctrlKey;\r
193                         this.shiftKey      = e.shiftKey;\r
194                         this.metaKey       = e.metaKey;\r
195                         \r
196                         this.button        = e.button !== undefined ? e.button :\r
197                                                                  e.which !== undefined ? e.which - 1 : -1;\r
198                         this.buttons       = e.buttons !== undefined ? e.buttons : this.button === 0 ? 1 : this.button === 1 ? 2 : this.button === 2 ? 4 : 0;\r
199                         \r
200                         //http://www.quirksmode.org/js/events_properties.html\r
201                         if( elm = e.target ){\r
202                                 this.target        = X_Node_getXNode( elm.nodeType === 3 ? elm.parentNode : elm );// defeat Safari bug // xnode\r
203                         };\r
204                         if( elm = e.relatedTarget ){\r
205                                 this.relatedTarget = X_Node_getXNode( elm.nodeType === 3 ? elm.parentNode : elm ); // xnode\r
206                         };\r
207                         \r
208                         if( type === 'wheel' ){\r
209                                 // https://developer.mozilla.org/ja/docs/DOM/DOM_event_reference/mousewheel\r
210                                 // TODO axis\r
211                                 // https://w3g.jp/blog/tools/wheelevent_crossbrowser\r
212                                 // ホイール系イベント2014年版クロスブラウザ\r
213                                 if( e.deltaY !== undefined ){\r
214                                         this.deltaX = e.deltaX;\r
215                                         this.deltaY = e.deltaY;\r
216                                         this.deltaZ = e.deltaZ;\r
217                                 } else\r
218                                 if( e.wheelDeltaY !== undefined ){\r
219                                         this.deltaX = e.wheelDeltaX / 120;\r
220                                         this.deltaY = e.wheelDeltaY / 120;\r
221                                         this.deltaZ = e.wheelDeltaZ / 120 || 0;\r
222                                 } else\r
223                                 if( e.wheelDelta !== undefined ){\r
224                                         this.deltaX = this.deltaZ = 0;\r
225                                         this.deltaY = e.wheelDelta / -120;\r
226                                 } else\r
227                                 if( e.detail !== undefined ){\r
228                                         this.deltaX = this.deltaZ = 0;\r
229                                         this.deltaY = originalType === 'MozMousePixelScroll' ? e.detail / 45 : e.detail / 3; // 3\r
230                                 } else {\r
231                                         this.deltaX = this.deltaY = this.deltaZ = 0;\r
232                                 };\r
233                         };\r
234                 };\r
235 \r
236                 this.currentTarget = xnode; // xnode\r
237                 this.eventPhase    = e.eventPhase;\r
238                 this.detail        = e.detail;\r
239                 \r
240         };\r
241 } else {\r
242         X.Dom.Event = function( e, xnode, element ){\r
243                 var originalType = e.type, btn, type;\r
244                 \r
245                 this.type          = X_Event_RenameTo[ originalType ] || originalType;\r
246                 this.target        = X_Node_getXNode( e.srcElement ); // xnode\r
247                 if( this.target && this.target._xnodeType === 3 ) this.target = this.target.parent; // ie4 の fake Textnode がヒットしていないか?\r
248                 this.currentTarget = xnode; // xnode\r
249                 this.relatedTarget = X_Node_getXNode( e.formElement || e.toElement ); // xnode\r
250                 this.eventPhase    = e.srcElement === element ? 2: 3;\r
251                 \r
252                 this.keyCode       = e.keyCode;\r
253                 this.altKey        = e.altKey;\r
254                 this.ctrlKey       = e.ctrlKey;\r
255                 this.shiftKey      = e.shiftKey;                \r
256 \r
257                 // http://www.programming-magic.com/20090127231544/\r
258                 switch( originalType ){\r
259                         case 'click'    :\r
260                         case 'dblclick' :\r
261                                 this.button = 0;\r
262                                 break;\r
263                         case 'contextmenu' :\r
264                                 this.button = 2;\r
265                                 break;\r
266                         default :\r
267                                 // mouseup, mousedown\r
268                                 btn = e.button;\r
269                                 this.button =\r
270                                         btn & 1 ? 0 :\r
271                                         btn & 4 ? 2 :\r
272                                         btn & 2 ? 1 : -1; // 左:1(click:0), 中:4, 右:2\r
273                                 \r
274                 };\r
275                 this.buttons     = e.button;\r
276         \r
277                 this.deltaX      = 0;\r
278                 this.deltaY      = e.wheelDelta / -120; \r
279         \r
280                 if( type = X_Event_toPointer[ originalType ] ){\r
281                         this.type          = type;\r
282                         this.clientX       = e.clientX;\r
283                         this.clientY       = e.clientY;\r
284                         //this.screenX       = e.screenX;\r
285                         //this.screenY       = e.screenY;\r
286                         \r
287                         //if( X_ViewPort_rootElement ){ // uuu...\r
288                                 this.pageX         = e.clientX + X_ViewPort_rootElement.scrollLeft;\r
289                                 this.pageY         = e.clientY + X_ViewPort_rootElement.scrollTop;\r
290                                 // DOMAssistant 2.8.1\r
291                                 //event.pageX = DOMAssistant.def(e.pageX)? e.pageX : (event.clientX + (de.scrollLeft || b.scrollLeft) - (de.clientLeft || 0));\r
292                                 //event.pageY = DOMAssistant.def(e.pageY)? e.pageY : (event.clientY + (de.scrollTop || b.scrollTop) - (de.clientTop || 0));                                                     \r
293                         //};\r
294 \r
295                         if( 5 <= X_UA.IE ){\r
296                                 this.offsetX       = e.offsetX; // イベントターゲット左上からの座標\r
297                                 this.offsetY       = e.offsetY;                 \r
298                         }// else\r
299                         //if( e.srcElement ){\r
300                         //      this.offsetX       = e.x - e.srcElement.offsetLeft; // e.x はイベント発生要素の親要素を基準にした座標。\r
301                         //      this.offsetY       = e.y - e.srcElement.offsetTop;      \r
302                         //};\r
303                         \r
304                         this.pointerId     = 1;\r
305                         this.radiusX       = 0;\r
306                         this.radiusY       = 0;\r
307                         this.rotationAngle = 0;\r
308                         this.width         = 0;\r
309                         this.height        = 0;\r
310                         this.tiltX         = 0;\r
311                         this.tiltY         = 0;\r
312                 };\r
313         };\r
314 };\r
315 \r
316 X.Dom.Event.ANIME_BEFORE_START  = ++X_Event_last;\r
317 X.Dom.Event.ANIME_START         = ++X_Event_last;\r
318 X.Dom.Event.ANIME               = ++X_Event_last;\r
319 X.Dom.Event.ANIME_END           = ++X_Event_last;\r
320 X.Dom.Event.ANIME_BEFORE_STOP   = ++X_Event_last; // xnode.stop() のみ、指定時間による停止では呼ばれない\r
321 X.Dom.Event.ANIME_STOP          = ++X_Event_last;\r
322 \r
323 \r
324 // TODO load -> readystatechange this.readyState === "loaded" || this.readyState === "complete"\r
325 /*\r
326 X.Dom.Event._LOAD_FIX_TAGS = {\r
327         IFRAME : true,\r
328         SCRIPT : true//,\r
329         //LINK   : true\r
330 }; */\r
331 \r
332 // https://github.com/georgeadamson/jQuery.prefixfree-events/blob/master/jQuery.prefixfree-events.js\r
333 // https://developer.mozilla.org/en-US/docs/Web/Events/wheel\r
334 //\r
335 if( document.onwheel === undefined ){\r
336         // DOMMoseScroll\r
337         if( X_UA.Gecko && window.MouseScrollEvent ){\r
338                 if( 2 <= X_UA.Gecko || ( 1.9 <= X_UA.Gecko && 1 <= X_UA.GeckoPatch ) ){ // Gecko 1.9.1+ (firefox3.5+)\r
339                         console.log( 'wheel <= MozMousePixelScroll' );\r
340                         X_Event_Rename[ 'wheel' ] = 'MozMousePixelScroll';\r
341                 } else\r
342                 if( 1 <= X_UA.Gecko || ( 0.9 <= X_UA.Gecko && 7 <= X_UA.GeckoPatch ) ){ // Gecko 0.9.7+ (NN6.2+?)\r
343                         console.log( 'wheel <= DOMMouseScroll' );\r
344                         X_Event_Rename[ 'wheel' ] = 'DOMMouseScroll';\r
345                 };\r
346         } else {\r
347                 X_Event_Rename[ 'wheel' ] = 'mousewheel';\r
348         };\r
349         //if( document.onmousewheel !== undefined ){ // Opera で判定失敗する\r
350         //      X_Event_Rename[ 'wheel' ] = 'mousewheel';\r
351         //};\r
352 };\r
353 \r
354 \r
355 \r
356 if( window.onwebkitanimationend !== undefined && window.onanimationend === undefined ){\r
357         console.log( 'animationend <= webkitAnimationEnd' );\r
358         X_Event_Rename[ 'animationend' ]        = 'webkitAnimationEnd';\r
359         X_Event_Rename[ 'animationstart' ]      = 'webkitAnimationStart';\r
360         X_Event_Rename[ 'animationiteration' ]  = 'webkitAnimationIteration';\r
361 } else\r
362 if( window.onoanimationend !== undefined && window.onanimationend === undefined ){\r
363         console.log( 'animationend <= oAnimationEnd' );\r
364         X_Event_Rename[ 'animationend' ]        = 'oAnimationEnd';\r
365         X_Event_Rename[ 'animationstart' ]      = 'oAnimationStart';\r
366         X_Event_Rename[ 'animationiteration' ]  = 'oAnimationIteration';\r
367 } else\r
368 /*\r
369 if( window.onmozanimationend !== undefined && window.onanimationend === undefined ){\r
370           X_Event_Rename[ 'animationend' ]          = 'mozAnimationEnd';\r
371         X_Event_RenameTo[ 'mozAnimationEnd' ]       = 'animationend';\r
372           X_Event_Rename[ 'animationstart' ]        = 'mozAnimationStart';\r
373         X_Event_RenameTo[ 'mozAnimationStart' ]     = 'animationstart';\r
374           X_Event_Rename[ 'animationiteration' ]    = 'mozAnimationIteration';\r
375         X_Event_RenameTo[ 'mozAnimationIteration' ] = 'animationiteration';\r
376 } else*/\r
377 if( document.documentElement && document.documentElement.style.msAnimation !== undefined && document.documentElement.style.animation === undefined ){ //document.documentElement.style.msAnimation \r
378         console.log( 'animationend <= MSAnimationEnd' );\r
379         X_Event_Rename[ 'animationend' ]         = 'MSAnimationEnd';\r
380         X_Event_Rename[ 'animationstart' ]       = 'MSAnimationStart';\r
381         X_Event_Rename[ 'animationiteration' ]   = 'MSAnimationIteration';\r
382 };\r
383 // https://developer.mozilla.org/en-US/docs/Web/Events/transitionend\r
384 // chrome1+, firefox4+, IE10+, Opera10.5+, Safari3.2+, Android2.1+\r
385 if( window.onwebkittransitionend !== undefined && window.ontransitionend === undefined ){\r
386         console.log( 'transitionend <= webkitTransitionEnd' );\r
387         X_Event_Rename[ 'transitionend' ]      = 'webkitTransitionEnd';\r
388 } else\r
389 if( window.onotransitionend !== undefined && window.ontransitionend === undefined ){\r
390         if( X_UA.Opera < 12 ){\r
391                 console.log( 'transitionend <= oTransitionEnd|ver.' + X_UA.Opera );\r
392                 X_Event_Rename[ 'transitionend' ]  = 'oTransitionEnd';\r
393         } else {\r
394                 console.log( 'transitionend <= otransitionEnd|ver.' + X_UA.Opera );\r
395                 X_Event_Rename[ 'transitionend' ]  = 'otransitionEnd';\r
396         };\r
397 } else\r
398 if( window.onmoztransitionend !== undefined && window.ontransitionend === undefined ){\r
399         console.log( 'transitionend <= mozTransitionEnd' );\r
400         X_Event_Rename[ 'transitionend' ]    = 'mozTransitionEnd';\r
401 };\r
402 \r
403 if( !navigator.pointerEnabled ){\r
404         if( navigator.msPointerEnabled ){\r
405                 console.log( 'pointerdown <= MSPointerDown' );\r
406                 X_Event_Rename[ 'pointerdown'     ] = 'MSPointerDown';\r
407                 X_Event_Rename[ 'pointerup'       ] = 'MSPointerUp';\r
408                 X_Event_Rename[ 'pointermove'     ] = [ 'MSPointerMove', 'MSPointerHover' ];// ie10 と ie11 でペンのhoverevent の値が異なる\r
409                 X_Event_Rename[ 'pointercancel'   ] = 'MSPointerCancel';\r
410                 // http://msdn.microsoft.com/ja-jp/library/ie/dn304886%28v=vs.85%29.aspx\r
411         } else\r
412         if( X_UA_HID.TOUCH ){\r
413                 // touch のみ(iOS でも脱獄したら?)、 touch と mouse(Android), mouse のみ\r
414                 X_Event_Rename[ 'pointerdown'     ] = [ 'touchdown', 'mousedown' ];\r
415                 X_Event_Rename[ 'pointerup'       ] = [ 'touchup',   'mouseup' ];\r
416                 X_Event_Rename[ 'pointermove'     ] = [ 'touchmove', 'mousemove' ];\r
417                 X_Event_Rename[ 'pointercancel'   ] = 'touchcancel';\r
418                 // X_Event_Rename[ 'click'           ] = [ 'touchdown', 'touchmove', 'touchup' ]; // ループになってしまう!直した!直ってない!\r
419         } else {\r
420                 X_Event_Rename[ 'pointerdown'     ] = 'mousedown';\r
421                 X_Event_Rename[ 'pointerup'       ] = 'mouseup';\r
422                 X_Event_Rename[ 'pointermove'     ] = 'mousemove';\r
423                 X_Event_Rename[ 'pointercancel'   ] = 'mouseleave';//??\r
424                 \r
425                 // Opera は ブラウザ設定から右クリックの通知を許可すると mousedown で e.button==2 が返る,キャンセルは可能??\r
426                 X_UA.Opera && (\r
427                 X_Event_Rename[ 'contextmenu'     ] = 'mousedown' );\r
428                 \r
429                 /*\r
430                  * buttons の無いブラウザには mouseup, mousedown を監視して、buttons フラグを更新し続ける\r
431                  */\r
432         };\r
433 };\r