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_rootElement,
8 X_ViewPort_scrollX = 0,
9 X_ViewPort_scrollY = 0,
10 X_ViewPort_baseFontSize,
11 X_ViewPort_vScrollbarSize,
12 X_ViewPort_hScrollbarSize,
14 X_ViewPort_useDetectionLoop = X_UA[ 'IE' ] < 9 || X_UA[ 'iOS' ],
15 X_ViewPort_detectFontSize = !X_ViewPort_useDetectionLoop && function(){
16 var size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
17 if( X_ViewPort_baseFontSize !== size ){
18 X_ViewPort_baseFontSize = size;
19 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
23 X_ViewPort_orientationFlag,
24 X_ViewPort_orientationchange = window[ 'orientation' ] !== undefined && function( e ){
25 X_ViewPort_orientationFlag = true;
26 !X_UA[ 'Android' ] && X_ViewPort_resize();
27 //console.log( '-- orientationchange : ' + X[ 'ViewPort' ][ 'getSize' ][ 0 ] + ' ' + X[ 'ViewPort' ][ 'getSize' ][ 1 ] );
30 X_ViewPort_document = X_EventDispatcher( document ),
32 X_ViewPort = X_Class_override(
33 X_EventDispatcher( window ),
36 'handleEvent' : function( e ){
41 // ie では a href="javascript" な要素でも beforeunload が起こる
42 href = e.target && e.target[ 'attr' ] && e.target[ 'attr' ]( 'href' );
43 if( href && href.indexOf && href.indexOf( 'javascript:' ) === 0 ) return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
45 return X_ViewPort[ 'dispatch' ]( X_EVENT_BEFORE_UNLOAD );
48 X_ViewPort[ 'dispatch' ]( X_EVENT_UNLOAD );
50 X_ViewPort_document[ 'kill' ]();
53 //X_System[ 'dispatch' ]( X_EVENT_SHUT_DOWN );
56 case 'visibilitychange' :
57 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'hidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
59 case 'mozvisibilitychange' :
60 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
62 case 'webkitvisibilitychange' :
63 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
68 if( !X_ViewPort_active ){
69 X_ViewPort_active = true;
70 X_ViewPort[ 'dispatch' ]( X_EVENT_VIEW_ACTIVATE );
76 if( X_ViewPort_active ){
77 X_ViewPort_active = false;
78 X_ViewPort[ 'dispatch' ]( X_EVENT_VIEW_DEACTIVATE );
89 * window に相当する ViewPort 情報を提供するオブジェクト。
90 * @namespace X.ViewPort
95 'listen' : function( type, arg1, arg2, arg3 ){
96 if( type <= X_ViewPort_readyState ){
98 * X_EVENT_XDOM_READY 以後に listen した場合の対策
100 X_ViewPort[ 'asyncDispatch' ]( type );
102 // ie8-では keydown -> documentへ
103 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
104 return X[ 'ViewPort' ];
108 'listenOnce' : 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 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
116 return X[ 'ViewPort' ];
119 'unlisten' : function( type, arg1, arg2, arg3 ){
120 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
121 return X[ 'ViewPort' ];
124 'listening' : function( type, arg1, arg2, arg3 ){
125 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
128 // hammer のテストファイルだけが使用
129 'asyncDispatch' : function(){
130 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
133 'getPointerPosition' : function(){
137 /* 要素が視界に入った http://remysharp.com/2009/01/26/element-in-view-event-plugin/
138 * TODO -> Node.call('inView')
140 'inView' : function( elm ){
144 'getSize' : function(){
145 return [ X_ViewPort_width, X_ViewPort_height ];
147 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
148 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
149 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
150 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
152 'getDocumentSize' : function(){
153 // 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。
154 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
155 //http://onozaty.hatenablog.com/entry/20060803/p1
156 // Safari2.0.4では標準・互換どちらも document.body
158 X_Node_updateTimerID && X_Node_startUpdate();
160 ( document.documentElement && document.documentElement.clientWidth ?
161 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
162 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
165 X_ViewPort_rootElement.scrollWidth || X_ViewPort_rootElement.offsetWidth,
166 X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
170 'getScrollPosition' :
171 window.pageXOffset !== undefined ?
173 X_Node_updateTimerID && X_Node_startUpdate();
174 return[ X_ViewPort_scrollX = window.pageXOffset, X_ViewPort_scrollY = window.pageYOffset ];
176 window.scrollLeft !== undefined ?
178 X_Node_updateTimerID && X_Node_startUpdate();
179 return[ X_ViewPort_scrollX = window.scrollLeft, X_ViewPort_scrollY = window.scrollTop ];
182 X_Node_updateTimerID && X_Node_startUpdate();
184 return[ X_ViewPort_scrollX = X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_scrollY = X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
187 'getScrollbarSize' : function(){
188 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
191 'getBaseFontSize' : function(){
192 if( X_Node_updateTimerID ){
193 X_Node_startUpdate();
194 return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
196 return X_ViewPort_baseFontSize;
203 /* -----------------------------------------------
205 * original : uupaa.js
208 * https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
209 * 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
211 * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
212 * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
214 * http://tenderfeel.xsrv.jp/javascript/1182/
217 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
218 * 1. 傾き時の画面サイズ取得ー 対処方法の例
219 * (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
220 * window.onorientationchange = function() { setTimeout(function() { alert("W: " + window.innerWidth + ", H: " + window.innerHeight); }, 200); }
221 * 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
223 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
226 * getBoundingClientRect で fontsize の調査
228 var X_ViewPort_resize =
229 // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
230 X_ViewPort_useDetectionLoop ?
233 if( !X_ViewPort_lock ){
234 size = X_ViewPort_getWindowSize();
235 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
236 X_ViewPort_width = size[ 0 ];
237 X_ViewPort_height = size[ 1 ];
238 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
239 X_ViewPort_lock = true;
243 size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
244 if( X_ViewPort_baseFontSize !== size ){
245 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
246 X_ViewPort_baseFontSize = size;
251 console.log( '-- resize : ' + X_Timer_now() );
253 !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
254 return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
257 function X_ViewPort_detectFinishResizing(){
258 var size = X_ViewPort_getWindowSize();
259 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
260 X_ViewPort_width = size[ 0 ];
261 X_ViewPort_height = size[ 1 ];
262 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
264 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
266 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
267 X_ViewPort_lock = false;
268 if( X_ViewPort_orientationFlag ){
269 X_ViewPort_orientationFlag = false;
270 X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
275 X_TEMP.onDomContentLoaded = function(){
276 var s, size, elmHtml, elmHead, elmBody, html, head, body;
278 console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
280 if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_Callback_UN_LISTEN;
281 X_ViewPort_readyState = X_EVENT_PRE_INIT;
283 // 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
284 X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
285 delete X_TEMP.onDomContentLoaded;
287 elmHtml = document.documentElement ||
288 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
289 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
292 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
293 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
295 elmBody = document.body;
297 X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
299 html = X[ 'Doc' ][ 'html' ] = X_Node_html = elmHtml && new Node( elmHtml )[ 'removeClass' ]( 'js-disabled' )[ 'addClass' ]( X_UA_classNameForHTML );
300 html[ '_flags' ] |= X_Node_State.IN_TREE;
302 head = X[ 'Doc' ][ 'head' ] = X_Node_head = elmHead && new Node( elmHead );
304 body = X[ 'Doc' ][ 'body' ] = X_Node_body = new Node( elmBody );
306 body[ 'parent ' ] = head[ 'parent' ] = html;
307 html[ '_xnodes' ] = [ head, body ];
309 html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'destroy' ] =
310 html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
311 html[ 'css' ] = html[ 'cssText' ] =
312 head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'destroy' ] =
313 head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
314 body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'destroy' ] = new Function( 'return this' );
316 X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
317 X_ViewPort_readyState = X_EVENT_XTREE_READY;
318 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
319 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
322 X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
323 X_ViewPort_readyState = X_EVENT_INIT;
324 //X_UA[ 'Opera7' ] && alert( 'bc' );
325 X_Node_body[ 'appendAt' ]( 0,
326 X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
327 X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
329 X_Node_startUpdate();
331 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
334 X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
335 var size = X_ViewPort_getWindowSize(),
337 // http://jsdo.it/imaya/kTYg
338 body = document.body,
339 defaultOverflow = document.body.style.overflow,
342 X_ViewPort_width = size[ 0 ];
343 X_ViewPort_height = size[ 1 ];
345 body.style.overflow = 'hidden';
346 w = body.clientWidth;
347 h = body.clientHeight;
349 body.style.overflow = 'scroll';
350 w -= body.clientWidth;
351 h -= body.clientHeight;
353 if( !w ) w = body.offsetWidth - body.clientWidth;
354 if( !h ) h = body.offsetHeight - body.clientHeight;
355 body.style.overflow = defaultOverflow;
357 X_ViewPort_vScrollbarSize = w;
358 X_ViewPort_hScrollbarSize = h;
359 if( h <= 0 ){ // ie6, ie11, firefox で 負の値が返る
360 console.log( 'invalid hScrollbarSize: ' + h );
361 X_ViewPort_hScrollbarSize = w;
365 if( X_ViewPort_orientationchange ){
366 X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
369 if( X_ViewPort_detectFontSize ){
370 X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
371 X_Timer_add( 333, X_ViewPort_detectFontSize );
373 X_Timer_add( 333, X_ViewPort_resize );
376 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
378 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
381 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
384 X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
386 //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
387 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
389 if( document[ 'hidden' ] !== undefined ){// iOS 7+
390 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
392 if( document[ 'mozHidden' ] !== undefined ){
393 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
395 if( document[ 'webkitHidden' ] !== undefined ){
396 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
398 if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
399 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
401 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
404 return X_Callback_UN_LISTEN;
407 function X_ViewPort_getWindowSize(){
408 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!
409 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
410 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!
411 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
412 [ window.innerWidth, window.innerHeight ];
416 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
418 /* -----------------------------------------------
420 * Dean Edwards/Matthias Miller/John Resig
423 // SafariでJavaScriptのデバッグをする方法
425 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
427 /* for ie9+/Mozilla/Opera9 */
428 if( X_UA_EVENT.W3C ){
429 X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
431 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
432 // if this script in Head
433 document.write( "<script id=__ie_onload defer src=javascript:void(0)><\/script>" );
434 X_TEMP._script = document.getElementById( "__ie_onload" );
435 X_TEMP._script.onreadystatechange = function(){
436 var s = X_TEMP._script;
437 if( s && s.readyState === 'complete' ){
438 s.onreadystatechange = X_emptyFunction;
439 s.onreadystatechange = null;
440 s.parentNode.removeChild( s );
441 delete X_TEMP._script;
442 X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
446 // Re: onLoad doesn't work with Safari?
447 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
448 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ] < 3 ){ // sniff
449 X_Timer_add( 16, function(){
450 if( !X_TEMP.onDomContentLoaded ) return X_Callback_UN_LISTEN;
451 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
455 /* for other browsers */
456 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );