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_baseFontSize,
9 X_ViewPort_vScrollbarSize,
10 X_ViewPort_hScrollbarSize,
12 X_ViewPort_useDetectionLoop = X_UA[ 'IE' ] < 9 || X_UA[ 'iOS' ],
13 X_ViewPort_detectFontSize = !X_ViewPort_useDetectionLoop && function(){
14 var size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
15 if( X_ViewPort_baseFontSize !== size ){
16 X_ViewPort_baseFontSize = size;
17 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
21 X_ViewPort_orientationFlag,
22 X_ViewPort_orientationchange = window[ 'orientation' ] !== undefined && function( e ){
23 X_ViewPort_orientationFlag = true;
24 !X_UA[ 'Android' ] && X_ViewPort_resize();
25 //console.log( '-- orientationchange : ' + X[ 'ViewPort' ][ 'getSize' ][ 0 ] + ' ' + X[ 'ViewPort' ][ 'getSize' ][ 1 ] );
28 X_ViewPort_document = X_EventDispatcher( document ),
30 X_ViewPort = X_Class_override(
31 X_EventDispatcher( window ),
34 'handleEvent' : function( e ){
39 // ie では a href="javascript" な要素でも beforeunload が起こる
40 href = e.target && e.target[ 'attr' ] && e.target[ 'attr' ]( 'href' );
41 if( href && href.indexOf && href.indexOf( 'javascript:' ) === 0 ) return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
43 return X_ViewPort[ 'dispatch' ]( X_EVENT_BEFORE_UNLOAD );
46 X_ViewPort[ 'dispatch' ]( X_EVENT_UNLOAD );
48 X_ViewPort_document[ 'kill' ]();
51 //X_System[ 'dispatch' ]( X_EVENT_SHUT_DOWN );
54 case 'visibilitychange' :
55 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'hidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
57 case 'mozvisibilitychange' :
58 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
60 case 'webkitvisibilitychange' :
61 X_ViewPort[ 'dispatch' ]( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X_EVENT_VIEW_DEACTIVATE : X_EVENT_VIEW_ACTIVATE );
66 if( !X_ViewPort_active ){
67 X_ViewPort_active = true;
68 X_ViewPort[ 'dispatch' ]( X_EVENT_VIEW_ACTIVATE );
74 if( X_ViewPort_active ){
75 X_ViewPort_active = false;
76 X_ViewPort[ 'dispatch' ]( X_EVENT_VIEW_DEACTIVATE );
87 * window に相当する ViewPort 情報を提供するオブジェクト。
88 * @namespace X.ViewPort
93 'listen' : function( type, arg1, arg2, arg3 ){
94 if( type <= X_ViewPort_readyState ){
96 * X_EVENT_XDOM_READY 以後に listen した場合の対策
98 X_ViewPort[ 'asyncDispatch' ]( type );
100 // ie8-では keydown -> documentへ
101 type && arg1 && X_ViewPort[ 'listen' ]( type, arg1, arg2, arg3 );
102 return X[ 'ViewPort' ];
106 'listenOnce' : function( type, arg1, arg2, arg3 ){
107 if( type <= X_ViewPort_readyState ){
109 * X.Event.XDOM_READY 以後に listen した場合の対策
111 X_ViewPort[ 'asyncDispatch' ]( type );
113 type && arg1 && X_ViewPort[ 'listenOnce' ]( type, arg1, arg2, arg3 );
114 return X[ 'ViewPort' ];
117 'unlisten' : function( type, arg1, arg2, arg3 ){
118 type && arg1 && X_ViewPort[ 'unlisten' ]( type, arg1, arg2, arg3 );
119 return X[ 'ViewPort' ];
122 'listening' : function( type, arg1, arg2, arg3 ){
123 return X_ViewPort[ 'listening' ]( type, arg1, arg2, arg3 );
126 // hammer のテストファイルだけが使用
127 'asyncDispatch' : function(){
128 return X_ViewPort[ 'asyncDispatch' ].apply( X_ViewPort, arguments );
131 'getPointerPosition' : function(){
135 /* 要素が視界に入った http://remysharp.com/2009/01/26/element-in-view-event-plugin/
136 * TODO -> Node.call('inView')
138 'inView' : function( elm ){
142 'getSize' : function(){
143 return [ X_ViewPort_width, X_ViewPort_height ];
145 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
146 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
147 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
148 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
150 'getDocumentSize' : function(){
151 // 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。
152 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
153 //http://onozaty.hatenablog.com/entry/20060803/p1
154 // Safari2.0.4では標準・互換どちらも document.body
156 X_Node_updateTimerID && X_Node_startUpdate();
158 ( document.documentElement && document.documentElement.clientWidth ?
159 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
160 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
163 X_ViewPort_rootElement.scrollWidth || X_ViewPort_rootElement.offsetWidth,
164 X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
168 'getScrollPosition' :
169 window.pageXOffset !== undefined ?
171 X_Node_updateTimerID && X_Node_startUpdate();
172 return[ window.pageXOffset, window.pageYOffset ];
174 window.scrollLeft !== undefined ?
176 X_Node_updateTimerID && X_Node_startUpdate();
177 return[ window.scrollLeft, window.scrollTop ];
180 X_Node_updateTimerID && X_Node_startUpdate();
182 return[ X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
185 'getScrollbarSize' : function(){
186 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
189 'getBaseFontSize' : function(){
190 if( X_Node_updateTimerID ){
191 X_Node_startUpdate();
192 return X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
194 return X_ViewPort_baseFontSize;
201 /* -----------------------------------------------
203 * original : uupaa.js
206 * https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
207 * 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
209 * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
210 * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
212 * http://tenderfeel.xsrv.jp/javascript/1182/
215 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
216 * 1. 傾き時の画面サイズ取得ー 対処方法の例
217 * (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
218 * window.onorientationchange = function() { setTimeout(function() { alert("W: " + window.innerWidth + ", H: " + window.innerHeight); }, 200); }
219 * 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
221 * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
224 * getBoundingClientRect で fontsize の調査
226 var X_ViewPort_resize =
227 // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
228 X_ViewPort_useDetectionLoop ?
231 if( !X_ViewPort_lock ){
232 size = X_ViewPort_getWindowSize();
233 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
234 X_ViewPort_width = size[ 0 ];
235 X_ViewPort_height = size[ 1 ];
236 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
237 X_ViewPort_lock = true;
241 size = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
242 if( X_ViewPort_baseFontSize !== size ){
243 X_ViewPort_baseFontSize && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_BASE_FONT_RESIZED );
244 X_ViewPort_baseFontSize = size;
249 console.log( '-- resize : ' + X_Timer_now() );
251 !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X_Timer_once( 100, X_ViewPort_detectFinishResizing );
252 return X_Callback_PREVENT_DEFAULT | X_Callback_STOP_PROPAGATION;
255 function X_ViewPort_detectFinishResizing(){
256 var size = X_ViewPort_getWindowSize();
257 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
258 X_ViewPort_width = size[ 0 ];
259 X_ViewPort_height = size[ 1 ];
260 X_Timer_once( 100, X_ViewPort_detectFinishResizing );
262 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
264 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_VIEW_RESIZED );
265 X_ViewPort_lock = false;
266 if( X_ViewPort_orientationFlag ){
267 X_ViewPort_orientationFlag = false;
268 X_ViewPort[ 'asyncDispatch' ]( 100, { type : X_EVENT_VIEW_TURNED, 'orientation' : window.orientation } );
273 X_TEMP.onDomContentLoaded = function(){
274 var s, size, elmHtml, elmHead, elmBody, html, head, body;
276 console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
278 if( X_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_Callback_UN_LISTEN;
279 X_ViewPort_readyState = X_EVENT_PRE_INIT;
281 // 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
282 X_TEMP.onDomContentLoaded && X_ViewPort_document[ 'unlisten' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
283 delete X_TEMP.onDomContentLoaded;
285 elmHtml = document.documentElement ||
286 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
287 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
290 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
291 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
293 elmBody = document.body;
295 X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
297 html = X[ 'Doc' ][ 'html' ] = X_Node_html = elmHtml && new Node( elmHtml ).removeClass( 'js-disabled' ).addClass( X_UA_classNameForHTML );
298 html[ '_flags' ] |= X_Node_State.IN_TREE;
300 head = X[ 'Doc' ][ 'head' ] = X_Node_head = elmHead && new Node( elmHead );
302 body = X[ 'Doc' ][ 'body' ] = X_Node_body = new Node( elmBody );
304 body[ 'parent ' ] = head[ 'parent' ] = html;
305 html[ '_xnodes' ] = [ head, body ];
307 html[ 'appendTo' ] = html[ 'prev' ] = html[ 'next' ] = html[ 'clone' ] = html[ 'remove' ] = html[ 'destroy' ] =
308 html[ 'create' ] = html[ 'createText' ] = html[ 'createAt' ] = html[ 'createTextAt' ] = html[ 'append' ] = html[ 'appendAt' ] = html[ 'empty' ] = html[ 'html' ] = html[ 'text' ] =
309 html[ 'css' ] = html[ 'cssText' ] =
310 head[ 'appendTo' ] = head[ 'prev' ] = head[ 'next' ] = head[ 'clone' ] = head[ 'remove' ] = head[ 'destroy' ] =
311 head[ 'createText' ] = head[ 'createTextAt' ] = head[ 'empty' ] = head[ 'html' ] = head[ 'text' ] = head[ 'css' ] = head[ 'cssText' ] =
312 body[ 'appendTo' ] = body[ 'prev' ] = body[ 'next' ] = body[ 'clone' ] = body[ 'remove' ] = body[ 'destroy' ] = new Function( 'return this' );
314 X_ViewPort[ 'listenOnce' ]( X_EVENT_PRE_INIT, function(){
315 X_ViewPort_readyState = X_EVENT_XTREE_READY;
316 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
317 !X_TEMP.X_Dom_useBuilder && X_ViewPort[ 'asyncDispatch' ]( X_EVENT_XTREE_READY );
320 X_ViewPort[ 'listenOnce' ]( X_EVENT_XTREE_READY, function(){
321 X_ViewPort_readyState = X_EVENT_INIT;
322 //X_UA[ 'Opera7' ] && alert( 'bc' );
323 X_Node_body[ 'appendAt' ]( 0,
324 X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
325 X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } )[ 'cssText' ]( 'line-height:1;height:1em;' )[ 'text' ]( 'X' )
327 X_Node_startUpdate();
329 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_INIT );
332 X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
333 var size = X_ViewPort_getWindowSize(),
335 // http://jsdo.it/imaya/kTYg
336 body = document.body,
337 defaultOverflow = document.body.style.overflow,
340 X_ViewPort_width = size[ 0 ];
341 X_ViewPort_height = size[ 1 ];
343 body.style.overflow = 'hidden';
344 w = body.clientWidth;
345 h = body.clientHeight;
347 body.style.overflow = 'scroll';
348 w -= body.clientWidth;
349 h -= body.clientHeight;
351 if( !w ) w = body.offsetWidth - body.clientWidth;
352 if( !h ) h = body.offsetHeight - body.clientHeight;
353 body.style.overflow = defaultOverflow;
355 X_ViewPort_vScrollbarSize = w;
356 X_ViewPort_hScrollbarSize = h;
357 if( h <= 0 ){ // ie6, ie11, firefox で 負の値が返る
358 console.log( 'invalid hScrollbarSize: ' + h );
359 X_ViewPort_hScrollbarSize = w;
363 if( X_ViewPort_orientationchange ){
364 X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_ViewPort_orientationchange );
367 if( X_ViewPort_detectFontSize ){
368 X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
369 X_Timer_add( 333, X_ViewPort_detectFontSize );
371 X_Timer_add( 333, X_ViewPort_resize );
374 X_ViewPort_baseFontSize = X_Node_fontSizeNode[ '_rawObject' ].offsetHeight;
376 X_ViewPort[ 'asyncDispatch' ]( X_ViewPort_readyState = X_EVENT_XDOM_READY );
379 X_ViewPort[ 'asyncDispatch' ]( X_EVENT_PRE_INIT );
382 X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
384 //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
385 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
387 if( document[ 'hidden' ] !== undefined ){// iOS 7+
388 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
390 if( document[ 'mozHidden' ] !== undefined ){
391 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
393 if( document[ 'webkitHidden' ] !== undefined ){
394 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
396 if( X_UA[ 'iOS' ] && window[ 'onpageshow' ] !== undefined ){
397 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
399 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
402 return X_Callback_UN_LISTEN;
405 function X_ViewPort_getWindowSize(){
406 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!
407 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
408 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!
409 [ X_ViewPort_rootElement.offsetWidth, X_ViewPort_rootElement.offsetHeight ] :
410 [ window.innerWidth, window.innerHeight ];
414 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
416 /* -----------------------------------------------
418 * Dean Edwards/Matthias Miller/John Resig
421 // SafariでJavaScriptのデバッグをする方法
423 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
425 /* for ie9+/Mozilla/Opera9 */
426 if( X_UA_EVENT.W3C ){
427 X_ViewPort_document[ 'listenOnce' ]( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
429 if( 6 <= X_UA[ 'IE' ] && X[ 'inHead' ] ){
430 // if this script in Head
431 document.write( "<script id=__ie_onload defer src=javascript:void(0)><\/script>" );
432 X_TEMP._script = document.getElementById( "__ie_onload" );
433 X_TEMP._script.onreadystatechange = function(){
434 var s = X_TEMP._script;
435 if( s && s.readyState === 'complete' ){
436 s.onreadystatechange = X_emptyFunction;
437 s.onreadystatechange = null;
438 s.parentNode.removeChild( s );
439 delete X_TEMP._script;
440 X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
444 // Re: onLoad doesn't work with Safari?
445 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
446 if( X_UA[ 'WebKit' ] || X_UA[ 'Safari' ] < 3 ){ // sniff
447 X_Timer_add( 16, function(){
448 if( !X_TEMP.onDomContentLoaded ) return X_Callback_UN_LISTEN;
449 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
453 /* for other browsers */
454 X_ViewPort[ 'listenOnce' ]( 'load', X_TEMP.onDomContentLoaded );