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
105 'listen' : function( type, arg1, arg2, arg3 ){
106 if( type <= X_ViewPort_readyState ){
108 * X_EVENT_XDOM_READY 以後に listen した場合の対策
110 X_ViewPort[ 'asyncDispatch' ]( type );
112 // ie8-では keydown -> documentへ
113 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
114 return X[ 'ViewPort' ];
118 'listenOnce' : function( type, arg1, arg2, arg3 ){
119 if( type <= X_ViewPort_readyState ){
121 * X.Event.XDOM_READY 以後に listen した場合の対策
123 X_ViewPort[ 'asyncDispatch' ]( type );
125 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
126 return X[ 'ViewPort' ];
129 'unlisten' : function( type, arg1, arg2, arg3 ){
130 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
131 return X[ 'ViewPort' ];
134 'listening' : function( type, arg1, arg2, arg3 ){
135 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
138 // hammer のテストファイルだけが使用
139 'asyncDispatch' : function(){
140 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
143 'getPointerPosition' : function(){
147 /* 要素が視界に入った http://remysharp.com/2009/01/26/element-in-view-event-plugin/
148 * TODO -> Node.call('inView')
150 'inView' : function( elm ){
154 'getSize' : function(){
155 return [ X_ViewPort_width, X_ViewPort_height ];
157 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
158 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
159 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
160 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
162 'getDocumentSize' : function(){
163 // 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。
164 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
165 //http://onozaty.hatenablog.com/entry/20060803/p1
166 // Safari2.0.4では標準・互換どちらも document.body
168 X_Node_updateTimerID && X_Node_startUpdate();
170 ( document.documentElement && document.documentElement.clientWidth ?
171 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
172 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
175 X_ViewPort_rootElement.scrollWidth || X_ViewPort_rootElement.offsetWidth,
176 X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
180 'getScrollPosition' :
181 window.pageXOffset !== undefined ?
183 X_Node_updateTimerID && X_Node_startUpdate();
184 return[ X_ViewPort_scrollX = window.pageXOffset, X_ViewPort_scrollY = window.pageYOffset ];
186 window.scrollLeft !== undefined ?
188 X_Node_updateTimerID && X_Node_startUpdate();
189 return[ X_ViewPort_scrollX = window.scrollLeft, X_ViewPort_scrollY = window.scrollTop ];
192 X_Node_updateTimerID && X_Node_startUpdate();
194 return[ X_ViewPort_scrollX = X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_scrollY = X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
197 'getScrollbarSize' : function(){
198 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
201 'getBaseFontSize' : function(){
202 if( X_Node_updateTimerID ){
203 X_Node_startUpdate();
204 return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
206 return X_ViewPort_baseFontSize;
213 /* -----------------------------------------------
215 * original : uupaa.js
218 * https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
219 * 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
221 * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
222 * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
224 * http://tenderfeel.xsrv.jp/javascript/1182/
227 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
228 * 1. 傾き時の画面サイズ取得ー 対処方法の例
229 * (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
230 * window.onorientationchange = function() { setTimeout(function() { alert('W: ' + window.innerWidth + ', H: ' + window.innerHeight); }, 200); }
231 * 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
233 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
236 * getBoundingClientRect で fontsize の調査
238 var X_ViewPort_resize =
239 // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
240 X_ViewPort_useDetectionLoop ?
243 if( !X_ViewPort_lock ){
244 size = X_ViewPort_getWindowSize();
245 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
246 X_ViewPort_width = size[ 0 ];
247 X_ViewPort_height = size[ 1 ];
248 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
249 X_ViewPort_lock = true;
253 size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
254 if( X_ViewPort_baseFontSize !== size ){
255 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
256 X_ViewPort_baseFontSize = size;
261 console.log( '-- resize : ' + X_Timer_now() );
263 !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
264 return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
267 function X_ViewPort_detectFinishResizing(){
268 var size = X_ViewPort_getWindowSize();
269 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
270 X_ViewPort_width = size[ 0 ];
271 X_ViewPort_height = size[ 1 ];
272 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
274 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
276 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
277 X_ViewPort_lock = false;
278 if( X_ViewPort_orientationFlag ){
279 X_ViewPort_orientationFlag = false;
280 X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
285 X_TEMP.onDomContentLoaded = function(){
286 var s, size, elmHtml, elmHead, elmBody, html, head, body;
288 console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
290 if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_Callback_UN_LISTEN;
291 X_ViewPort_readyState = X_EVENT_PRE_INIT;
293 // 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
294 X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
295 delete X_TEMP.onDomContentLoaded;
297 elmHtml = document.documentElement ||
298 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
299 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
302 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
303 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
305 elmBody = document.body;
307 X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
310 * Node( documentElement )
314 X[ 'Doc' ][ 'html' ] = html = X_Node_html = elmHtml && Node( elmHtml )[ 'removeClass' ]( 'js-disabled' )[ 'addClass' ]( X_UA_classNameForHTML );
315 html[ '_flags' ] |= X_NodeFlags_IN_TREE;
322 X[ 'Doc' ][ 'head' ] = head = X_Node_head = elmHead && Node( elmHead );
325 * Node( documentElement )
329 X[ 'Doc' ][ 'body' ] = body = X_Node_body = Node( elmBody );
331 body[ 'parent ' ] = head[ 'parent' ] = html;
332 html[ '_xnodes' ] = [ head, body ];
334 html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'kill' ] =
335 html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
336 html[ 'css' ] = html[ 'cssText' ] =
337 head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'kill' ] =
338 head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
339 body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'kill' ] = new Function( 'return this' );
341 X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
342 X_ViewPort_readyState = X_EVENT_XTREE_READY;
343 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
344 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
347 X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
348 X_ViewPort_readyState = X_EVENT_INIT;
349 //X_UA[ 'Opera7' ] && alert( 'bc' );
350 X_Node_body[ 'appendAt' ]( 0,
351 X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
352 X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
354 X_Node_startUpdate();
356 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
359 X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
360 var size = X_ViewPort_getWindowSize(),
362 // http://jsdo.it/imaya/kTYg
363 body = document.body,
364 defaultOverflow = document.body.style.overflow,
367 X_ViewPort_width = size[ 0 ];
368 X_ViewPort_height = size[ 1 ];
370 body.style.overflow = 'hidden';
371 w = body.clientWidth;
372 h = body.clientHeight;
374 body.style.overflow = 'scroll';
375 w -= body.clientWidth;
376 h -= body.clientHeight;
378 if( !w ) w = body.offsetWidth - body.clientWidth;
379 if( !h ) h = body.offsetHeight - body.clientHeight;
380 body.style.overflow = defaultOverflow;
382 X_ViewPort_vScrollbarSize = w;
383 X_ViewPort_hScrollbarSize = h;
384 if( h <= 0 ){ // ie6, ie11, firefox で 負の値が返る
385 console.log( 'invalid hScrollbarSize: ' + h );
386 X_ViewPort_hScrollbarSize = w;
390 if( X_ViewPort_orientationchange ){
391 X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
394 if( X_ViewPort_detectFontSize ){
395 X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
396 X_Timer_add( 333, X_ViewPort_detectFontSize );
398 X_Timer_add( 333, X_ViewPort_resize );
401 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
403 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
406 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
409 X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
411 //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
412 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
414 if( document[ 'hidden' ] !== undefined ){// iOS 7+
415 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
417 if( document[ 'mozHidden' ] !== undefined ){
418 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
420 if( document[ 'webkitHidden' ] !== undefined ){
421 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
423 if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
424 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
426 if( document[ 'onfocusin' ] !== undefined ){
427 // https://github.com/ai/visibilityjs/blob/master/lib/visibility.fallback.js
428 X_EventDispatcher_systemListen( X_ViewPort_document, [ 'focusin', 'focusout' ], X_ViewPort );
430 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
433 return X_Callback_UN_LISTEN;
436 function X_ViewPort_getWindowSize(){
437 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!
438 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
439 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!
440 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
441 [ window.innerWidth, window.innerHeight ];
445 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
447 /* -----------------------------------------------
449 * Dean Edwards/Matthias Miller/John Resig
452 // SafariでJavaScriptのデバッグをする方法
454 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
456 /* for ie9+/Mozilla/Opera9 */
457 if( X_UA_EVENT.W3C ){
458 X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
460 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
461 // if this script in Head
462 //document.write( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' );
463 //X_TEMP._script = document.getElementById( '__ie_onload' );
465 // 上のコードはスタンドアローン版ie6でエラー
466 X_TEMP._script = document.createElement( '<script id="__ie_onload" defer src="javascript:void(0)"></script>' ) ;
467 document.getElementsByTagName("head")[ 0 ].appendChild( X_TEMP._script );
469 X_TEMP._script.onreadystatechange = function(){
470 var s = X_TEMP._script;
471 if( s && s.readyState === 'complete' ){
472 s.onreadystatechange = X_emptyFunction;
473 s.onreadystatechange = null;
474 s.parentNode.removeChild( s );
475 delete X_TEMP._script;
476 X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
480 // Re: onLoad doesn't work with Safari?
481 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
482 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ] < 3 ){ // sniff
483 X_Timer_add( 16, function(){
484 if( !X_TEMP.onDomContentLoaded ) return X_Callback_UN_LISTEN;
485 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
489 /* for other browsers */
490 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );