2 var X_ViewPort_readyState,
3 X_ViewPort_active = !!window.parent || !!document.activeElement, // parent は frameに読み込まれた場合のieのerror回避
4 X_ViewPort_activeTimerID,
5 X_ViewPort_rootElement,
9 X_ViewPort_scrollX = 0,
10 X_ViewPort_scrollY = 0,
11 X_ViewPort_baseFontSize,
12 X_ViewPort_vScrollbarSize,
13 X_ViewPort_hScrollbarSize,
15 X_ViewPort_useDetectionLoop = X_UA[ 'IE' ] < 9 || X_UA[ 'iOS' ],
16 X_ViewPort_detectFontSize = !X_ViewPort_useDetectionLoop && function(){
17 var size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
18 if( X_ViewPort_baseFontSize !== size ){
19 X_ViewPort_baseFontSize = size;
20 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
24 X_ViewPort_orientationFlag,
25 X_ViewPort_orientationchange = window[ 'orientation' ] !== undefined && function( e ){
26 X_ViewPort_orientationFlag = true;
27 !X_UA[ 'Android' ] && X_ViewPort_resize();
28 //console.log( '-- orientationchange : ' + X[ 'ViewPort' ][ 'getSize' ][ 0 ] + ' ' + X[ 'ViewPort' ][ 'getSize' ][ 1 ] );
31 X_ViewPort_document = X_EventDispatcher( document ),
33 X_ViewPort = X_Class_override(
34 X_EventDispatcher( window ),
37 'handleEvent' : function( e ){
38 var href, i, name, active = false;
42 // ie では a href='javascript' な要素でも beforeunload が起こる
43 href = e.target && e.target[ 'attr' ] && e.target[ 'attr' ]( 'href' );
44 if( href && href.indexOf && href.indexOf( 'javascript:' ) === 0 ) return X_CALLBACK_PREVENT_DEFAULT | X_CALLBACK_STOP_PROPAGATION;
46 return X_ViewPort[ 'dispatch' ]( X_EVENT_BEFORE_UNLOAD );
49 //https://developer.mozilla.org/ja/docs/Web/JavaScript/A_re-introduction_to_JavaScript
50 //Firefox 1.5 の bfcache が無効になりますので、他に理由がない限り Firefox では unload リスナを登録するべきではないことに注意してください。
51 X_ViewPort[ 'dispatch' ]( X_EVENT_UNLOAD );
53 X_ViewPort_document[ 'kill' ]();
56 //X_System[ 'dispatch' ]( X_EVENT_SHUT_DOWN );
59 case 'visibilitychange' :
60 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'hidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
62 case 'mozvisibilitychange' :
63 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
65 case 'webkitvisibilitychange' :
66 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
77 if( X_ViewPort_active === active ){
78 X_ViewPort_active = !active;
79 if( X_ViewPort_activeTimerID ){
80 X_ViewPort_activeTimerID = X_Timer_remove( X_ViewPort_activeTimerID );
82 X_ViewPort_activeTimerID = X_Timer_once( 1, X_ViewPort_changeFocus );
92 function X_ViewPort_changeFocus(){
93 X_ViewPort[ 'dispatch' ]( X_ViewPort_active ? X_EVENT_VIEW_ACTIVATE : X_EVENT_VIEW_DEACTIVATE );
94 X_ViewPort_activeTimerID = 0;
99 * window に相当する ViewPort 情報を提供するオブジェクト。
100 * @namespace X.ViewPort
106 * @alias X.ViewPort.listen
108 'listen' : function( type, arg1, arg2, arg3 ){
109 if( type <= X_ViewPort_readyState ){
111 * X_EVENT_XDOM_READY 以後に listen した場合の対策
113 X_ViewPort[ 'asyncDispatch' ]( type );
115 // ie8-では keydown -> documentへ
116 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
117 return X[ 'ViewPort' ];
122 * @alias X.ViewPort.listenOnce
124 'listenOnce' : function( type, arg1, arg2, arg3 ){
125 if( type <= X_ViewPort_readyState ){
127 * X.Event.XDOM_READY 以後に listen した場合の対策
129 X_ViewPort[ 'asyncDispatch' ]( type );
131 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
132 return X[ 'ViewPort' ];
137 * @alias X.ViewPort.unlisten
139 'unlisten' : function( type, arg1, arg2, arg3 ){
140 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
141 return X[ 'ViewPort' ];
146 * @alias X.ViewPort.listening
148 'listening' : function( type, arg1, arg2, arg3 ){
149 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
153 * hammer のテストファイルだけが使用
154 * @alias X.ViewPort.asyncDispatch
156 'asyncDispatch' : function(){
157 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
160 'getPointerPosition' : function(){
164 /* 要素が視界に入った http://remysharp.com/2009/01/26/element-in-view-event-plugin/
165 * TODO -> Node.call('inView')
167 'inView' : function( elm ){
173 * @alias X.ViewPort.getSize
175 'getSize' : function(){
176 return [ X_ViewPort_width, X_ViewPort_height ];
178 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
179 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
180 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
181 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
185 * @alias X.ViewPort.getDocumentSize
187 'getDocumentSize' : function(){
188 // Opera は互換モードでは document.body.scrollHeight、標準モードでは document.documentElement.scrollHeight でページの高さが取れる。と思ってたんだけど、例外があった。
189 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
190 //http://onozaty.hatenablog.com/entry/20060803/p1
191 // Safari2.0.4では標準・互換どちらも document.body
193 X_Node_updateTimerID && X_Node_startUpdate();
195 ( document.documentElement && document.documentElement.clientWidth ?
196 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
197 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
200 X_ViewPort_rootElement.scrollWidth || X_ViewPort_rootElement.offsetWidth,
201 X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
207 * @alias X.ViewPort.getScrollPosition
209 'getScrollPosition' :
210 window.pageXOffset !== undefined ?
212 X_Node_updateTimerID && X_Node_startUpdate();
213 return[ X_ViewPort_scrollX = window.pageXOffset, X_ViewPort_scrollY = window.pageYOffset ];
215 window.scrollLeft !== undefined ?
217 X_Node_updateTimerID && X_Node_startUpdate();
218 return[ X_ViewPort_scrollX = window.scrollLeft, X_ViewPort_scrollY = window.scrollTop ];
221 X_Node_updateTimerID && X_Node_startUpdate();
223 return[ X_ViewPort_scrollX = X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_scrollY = X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
228 * @alias X.ViewPort.getScrollbarSize
230 'getScrollbarSize' : function(){
231 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
236 * @alias X.ViewPort.getBaseFontSize
238 'getBaseFontSize' : function(){
239 if( X_Node_updateTimerID ){
240 X_Node_startUpdate();
241 return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
243 return X_ViewPort_baseFontSize;
250 /* -----------------------------------------------
252 * original : uupaa.js
255 * https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
256 * iOS7.0からあったiPad Safariの高さ100%コンテンツでlandscape(横向き)時に起きる不具合
258 * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
259 * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
261 * http://tenderfeel.xsrv.jp/javascript/1182/
264 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
265 * 1. 傾き時の画面サイズ取得ー 対処方法の例
266 * (1)ー? タイマーを使って、画面サイズ取得の タイミングを少しだけ遅延させる
267 * window.onorientationchange = function() { setTimeout(function() { alert('W: ' + window.innerWidth + ', H: ' + window.innerHeight); }, 200); }
268 * 横に傾けた時、正常に横向け時の 幅と高さが取得できている ただし、端末によってはうまく取得できな い場合がある(Galaxy S IIIとか・・・) 7
270 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
273 * getBoundingClientRect で fontsize の調査
275 var X_ViewPort_resize =
276 // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
277 X_ViewPort_useDetectionLoop ?
280 if( !X_ViewPort_lock ){
281 size = X_ViewPort_getWindowSize();
282 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
283 X_ViewPort_width = size[ 0 ];
284 X_ViewPort_height = size[ 1 ];
285 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
286 X_ViewPort_lock = true;
290 size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
291 if( X_ViewPort_baseFontSize !== size ){
292 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
293 X_ViewPort_baseFontSize = size;
298 console.log( '-- resize : ' + X_Timer_now() );
300 !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
301 return X_CALLBACK_PREVENT_DEFAULT | X_CALLBACK_STOP_PROPAGATION;
304 function X_ViewPort_detectFinishResizing(){
305 var size = X_ViewPort_getWindowSize();
306 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
307 X_ViewPort_width = size[ 0 ];
308 X_ViewPort_height = size[ 1 ];
309 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
311 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
313 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
314 X_ViewPort_lock = false;
315 if( X_ViewPort_orientationFlag ){
316 X_ViewPort_orientationFlag = false;
317 X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
322 X_TEMP.onDomContentLoaded = function(){
323 var s, size, elmHtml, elmHead, elmBody, html, head, body;
325 console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
327 if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_CALLBACK_UN_LISTEN;
328 X_ViewPort_readyState = X_EVENT_PRE_INIT;
330 // DOMContentLoaded の無いブラウザで X_TEMP.onDomContentLoaded への参照が残り続けるのを回避
331 X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
332 delete X_TEMP.onDomContentLoaded;
334 elmHtml = document.documentElement ||
335 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
336 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
339 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
340 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
342 elmBody = document.body;
344 X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
347 * Node( documentElement )
351 X[ 'Doc' ][ 'html' ] = html = X_Node_html = elmHtml && Node( elmHtml )[ 'removeClass' ]( 'js-disabled' )[ 'addClass' ]( X_UA_classNameForHTML );
352 html[ '_flags' ] |= X_NodeFlags_IN_TREE;
359 X[ 'Doc' ][ 'head' ] = head = X_Node_head = elmHead && Node( elmHead );
362 * Node( documentElement )
366 X[ 'Doc' ][ 'body' ] = body = X_Node_body = Node( elmBody );
368 body[ 'parent ' ] = head[ 'parent' ] = html;
369 html[ '_xnodes' ] = [ head, body ];
371 html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'kill' ] =
372 html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
373 html[ 'css' ] = html[ 'cssText' ] =
374 head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'kill' ] =
375 head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
376 body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'kill' ] = new Function( 'return this' );
378 X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
379 X_ViewPort_readyState = X_EVENT_XTREE_READY;
380 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
381 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
384 X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
385 X_ViewPort_readyState = X_EVENT_INIT;
386 //X_UA[ 'Opera7' ] && alert( 'bc' );
387 X_Node_body[ 'appendAt' ]( 0,
388 X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
389 X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
391 X_Node_startUpdate();
393 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
396 X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
397 var size = X_ViewPort_getWindowSize(),
399 // http://jsdo.it/imaya/kTYg
400 body = document.body,
401 defaultOverflow = document.body.style.overflow,
404 X_ViewPort_width = size[ 0 ];
405 X_ViewPort_height = size[ 1 ];
407 body.style.overflow = 'hidden';
408 w = body.clientWidth;
409 h = body.clientHeight;
411 body.style.overflow = 'scroll';
412 w -= body.clientWidth;
413 h -= body.clientHeight;
415 if( !w ) w = body.offsetWidth - body.clientWidth;
416 if( !h ) h = body.offsetHeight - body.clientHeight;
417 body.style.overflow = defaultOverflow;
419 X_ViewPort_vScrollbarSize = w;
420 X_ViewPort_hScrollbarSize = h;
421 if( h <= 0 ){ // ie6, ie11, firefox で 負の値が返る
422 console.log( 'invalid hScrollbarSize: ' + h );
423 X_ViewPort_hScrollbarSize = w;
427 if( X_ViewPort_orientationchange ){
428 X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
431 if( X_ViewPort_detectFontSize ){
432 X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
433 X_Timer_add( 333, X_ViewPort_detectFontSize );
435 X_Timer_add( 333, X_ViewPort_resize );
438 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
440 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
443 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
446 X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
448 //ブラウザの戻るボタンで戻ったときに呼ばれるイベントとかキャッシュとかそこらへんのこと
449 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
451 if( document[ 'hidden' ] !== undefined ){// iOS 7+
452 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
454 if( document[ 'mozHidden' ] !== undefined ){
455 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
457 if( document[ 'webkitHidden' ] !== undefined ){
458 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
460 if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
461 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
463 if( document[ 'onfocusin' ] !== undefined ){
464 // https://github.com/ai/visibilityjs/blob/master/lib/visibility.fallback.js
465 X_EventDispatcher_systemListen( X_ViewPort_document, [ 'focusin', 'focusout' ], X_ViewPort );
467 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
470 return X_CALLBACK_UN_LISTEN;
473 function X_ViewPort_getWindowSize(){
474 return X_UA[ 'IE' ] ? // Opera10.1 では ズーム時に表示領域のサイズが取れない!
475 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
476 X_UA[ 'Opera' ] < 12 ? // Opera10.1 では ズーム + resize 時に表示領域のサイズが取れない!
477 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
478 [ window.innerWidth, window.innerHeight ];
482 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
484 /* -----------------------------------------------
486 * Dean Edwards/Matthias Miller/John Resig
489 // SafariでJavaScriptのデバッグをする方法
491 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
493 /* for ie9+/Mozilla/Opera9 */
494 if( X_UA_EVENT.W3C ){
495 X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
497 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
498 // if this script in Head
499 //document.write( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' );
500 //X_TEMP._script = document.getElementById( '__ie_onload' );
502 // 上のコードはスタンドアローン版ie6でエラー
503 X_TEMP._script = document.createElement( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' ) ;
504 document.getElementsByTagName("head")[ 0 ].appendChild( X_TEMP._script );
506 X_TEMP._script.onreadystatechange = function(){
507 var s = X_TEMP._script;
508 if( s && s.readyState === 'complete' ){
509 s.onreadystatechange = X_emptyFunction;
510 s.onreadystatechange = null;
511 s.parentNode.removeChild( s );
512 delete X_TEMP._script;
513 X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
517 // Re: onLoad doesn't work with Safari?
518 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
519 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ] < 3 ){ // sniff
520 X_Timer_add( 16, function(){
521 if( !X_TEMP.onDomContentLoaded ) return X_CALLBACK_UN_LISTEN;
522 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
526 /* for other browsers */
527 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );