0.6.x/js/01_core/16_XViewPort.js

   1
   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,
   5         X_ViewPort_lock,
   6         X_ViewPort_width,
   7         X_ViewPort_height,
   8         X_ViewPort_baseFontSize,
   9         X_ViewPort_vScrollbarSize,
  10         X_ViewPort_hScrollbarSize,
  11
  12         X_Dom_detectFontSize = !( X_UA.IE < 9 || X_UA.iOS ) && function(){
  13                         var size = X_Node_fontSizeNode._rawObject.offsetHeight;
  14                         if( X_ViewPort_baseFontSize !== size ){
  15                                 X_ViewPort_baseFontSize && X_ViewPort.asyncDispatch( X.Event.BASE_FONT_RESIZED );
  16                                 X_ViewPort_baseFontSize = size;
  17                         };
  18         },
  19
  20         X_ViewPort_orientationFlag,
  21         X_Dom_orientationchange = window[ 'orientation' ] !== undefined && function( e ){
  22                 X_ViewPort_orientationFlag = true;
  23                 !X_UA.Android && X_ViewPort_resize();
  24                 //console.log( '-- orientationchange : ' + X.ViewPort.getSize[ 0 ] + ' ' + X.ViewPort.getSize[ 1 ] );
  25         },
  26
  27         X_ViewPort_document = new X.EventDispatcher( document ),
  28
  29 X_ViewPort = X_Class_override(
  30         new X.EventDispatcher( window ),
  31         {
  32
  33                 handleEvent : function( e ){
  34                         var href, i, name;
  35
  36                         switch( e.type ){
  37                                 case 'beforeunload' :
  38                                         // ie では　a href="javascript" な要素でも beforeunload が起こる
  39                                         href = e.target && e.target.attr && e.target.attr( 'href' );
  40                                         if( href && href.indexOf && href.indexOf( 'javascript:' ) === 0 ) return X.Callback.PREVENT_DEFAULT | X.Callback.STOP_PROPAGATION;
  41
  42                                         return X_ViewPort.dispatch( X.Event.BEFORE_UNLOAD );
  43
  44                                 case 'unload' :
  45                                         X_ViewPort.dispatch( X.Event.UNLOAD );
  46                                 //alert('unload');
  47                                         X_ViewPort_document.kill();
  48                                         this.kill();
  49
  50                                         //X_System.dispatch( X.Event.SHUT_DOWN );
  51                                         break;
  52
  53                                 case 'visibilitychange' :
  54                                         X_ViewPort.asyncDispatch( ( X_ViewPort_active = document[ 'hidden' ] ) ? X.Event.VIEW_DEACTIVATE : X.Event.VIEW_ACTIVATE );
  55                                         break;
  56                                 case 'mozvisibilitychange' :
  57                                         X_ViewPort.asyncDispatch( ( X_ViewPort_active = document[ 'mozHidden' ] ) ? X.Event.VIEW_DEACTIVATE : X.Event.VIEW_ACTIVATE );
  58                                         break;
  59                                 case 'webkitvisibilitychange' :
  60                                         X_ViewPort.asyncDispatch( ( X_ViewPort_active = document[ 'webkitHidden' ] ) ? X.Event.VIEW_DEACTIVATE : X.Event.VIEW_ACTIVATE );
  61                                         break;
  62
  63                                 case 'pageshow' :
  64                                 case 'focus' :
  65                                         if( !X_ViewPort_active ){
  66                                                 X_ViewPort_active = true;
  67                                                 X_ViewPort.asyncDispatch( X.Event.VIEW_ACTIVATE );
  68                                         };
  69                                         break;
  70
  71                                 case 'pagehide' :
  72                                 case 'blur' :
  73                                         if( X_ViewPort_active ){
  74                                                 X_ViewPort_active = false;
  75                                                 X_ViewPort.asyncDispatch( X.Event.VIEW_DEACTIVATE );
  76                                         };
  77                                         break;
  78                         };
  79                 }
  80
  81         }
  82 );
  83
  84
  85 X.ViewPort = {
  86
  87         listen : function( type, arg1, arg2, arg3 ){
  88                 if( type <= X_ViewPort_readyState ){
  89                         /*
  90                          * X.Event.XDOM_READY 以後に listen した場合の対策
  91                          */
  92                         X_ViewPort.asyncDispatch( type );
  93                 };
  94                 // ie8-では keydown -> documentへ
  95                 type && arg1 && X_ViewPort.listen( type, arg1, arg2, arg3 );
  96                 return X.ViewPort;
  97         },
  98
  99
 100         listenOnce : function( type, arg1, arg2, arg3 ){
 101                 if( type <= X_ViewPort_readyState ){
 102                         /*
 103                          * X.Event.XDOM_READY 以後に listen した場合の対策
 104                          */
 105                         X_ViewPort.asyncDispatch( type );
 106                 };
 107                 type && arg1 && X_ViewPort.listenOnce( type, arg1, arg2, arg3 );
 108                 return X.ViewPort;
 109         },
 110
 111         unlisten : function( type, arg1, arg2, arg3 ){
 112                 type && arg1 && X_ViewPort.unlisten( type, arg1, arg2, arg3 );
 113                 return X.ViewPort;
 114         },
 115
 116         listening : function( type, arg1, arg2, arg3 ){
 117                 return X_ViewPort.listening( type, arg1, arg2, arg3 );
 118         },
 119
 120         // hammer のテストファイルだけが使用
 121         asyncDispatch : function(){
 122                 return X_ViewPort.asyncDispatch.apply( X_ViewPort, arguments );
 123         },
 124
 125         getPointerPosition : function(){
 126
 127         },
 128
 129         /* 要素が視界に入った  http://remysharp.com/2009/01/26/element-in-view-event-plugin/ */
 130         inView : function( elm ){
 131
 132         },
 133
 134         getSize : function(){
 135                 return [ X_ViewPort_width, X_ViewPort_height ];
 136         },
 137 //https://developer.mozilla.org/en-US/docs/Web/API/Element.getBoundingClientRect
 138 //use window.pageXOffset and window.pageYOffset instead of window.scrollX and window.scrollY
 139 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : document.body).ScrollLeft;
 140 //(((t = document.documentElement) || (t = document.body.parentNode)) && typeof t.ScrollTop == 'number' ? t : document.body).ScrollTop
 141
 142         getDocumentSize : function(){
 143                 // 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。
 144                 // http://orera.g.hatena.ne.jp/edvakf/20100515/1273908051
 145         //http://onozaty.hatenablog.com/entry/20060803/p1
 146         // Safari2.0.4では標準・互換どちらも document.body
 147
 148                 X_Node_updateTimerID && X_Node_startUpdate();
 149                 /*X_UA.Opera ?
 150                         ( document.documentElement && document.documentElement.clientWidth ?
 151                                 new Function( 'return[document.documentElement.clientWidth,document.documentElement.clientHeight]' ) :
 152                                 new Function( 'return[document.body.clientWidth,document.body.clientHeight]' )
 153                         ) :*/
 154                 return [
 155                         X_ViewPort_rootElement.scrollWidth  || X_ViewPort_rootElement.offsetWidth,
 156                         X_ViewPort_rootElement.scrollHeight || X_ViewPort_rootElement.offsetHeight
 157                 ];
 158         },
 159
 160         getScrollPosition :
 161                 window.pageXOffset !== undefined ?
 162                         ( function(){
 163                                 X_Node_updateTimerID && X_Node_startUpdate();
 164                                 return[ window.pageXOffset, window.pageYOffset ];
 165                         } ) :
 166                 window.scrollLeft  !== undefined ?
 167                         ( function(){
 168                                 X_Node_updateTimerID && X_Node_startUpdate();
 169                                 return[ window.scrollLeft, window.scrollTop ];
 170                         } ) :
 171                         ( function(){
 172                                 X_Node_updateTimerID && X_Node_startUpdate();
 173                                 // body は Safari2-
 174                                 return[ X_ViewPort_rootElement.scrollLeft || document.body.scrollLeft, X_ViewPort_rootElement.scrollTop || document.body.scrollTop ];
 175                         } ),
 176
 177         getScrollbarSize : function(){
 178                 return [ X_ViewPort_vScrollbarSize, X_ViewPort_hScrollbarSize ];
 179         },
 180
 181         getBaseFontSize : function(){
 182                 if( X_Node_updateTimerID ){
 183                         X_Node_startUpdate();
 184                         return X_ViewPort_baseFontSize = X_Node_fontSizeNode._rawObject.offsetHeight;
 185                 };
 186                 return X_ViewPort_baseFontSize;
 187         }
 188
 189 };
 190
 191
 192
 193 /* -----------------------------------------------
 194  * Resize
 195  *  original : uupaa.js
 196  *
 197  * TODO
 198  *  https://w3g.jp/blog/studies/ios7_1_minimal-ui_warning
 199  *  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
 200  *
 201  * http://looxu.blogspot.jp/2013/11/ios7mobile-safariwindowinnerheight.html
 202  * iOS7にて、Mobile Safariのwindow.innerHeightを正しく取得する方法
 203  *
 204  *  http://tenderfeel.xsrv.jp/javascript/1182/
 205  *  アドレスバーの高さの算出
 206  *
 207  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/javascript-14514208
 208  * 1. 傾き時の画面サイズ取得ー 対処方法の例
 209  * (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
 210  * window.onorientationchange = function() { setTimeout(function() { alert("W: " + window.innerWidth + ", H: " + window.innerHeight); }, 200); }
 211  * 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
 212  *
 213  * http://sssslide.com/www.slideshare.net/hiroakiwakamatsu/ss-12718639
 214  *
 215  *
 216  * getBoundingClientRect で　fontsize の調査
 217  */
 218                 var X_ViewPort_resize =
 219                         // iOS もループで回す,,,iOS3.1.3, iOS6 で確認
 220                         X_UA.IE < 9 || X_UA.iOS ?
 221                                 (function(){
 222                                         var size;
 223                                         if( !X_ViewPort_lock ){
 224                                                 size = X_ViewPort_getWindowSize();
 225                                                 if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 226                                                         X_ViewPort_width = size[ 0 ];
 227                                                         X_ViewPort_height = size[ 1 ];
 228                                                         X.Timer.once( 100, X_Dom_detectFinishResizing );
 229                                                         X_ViewPort_lock = true;
 230                                                 };
 231                                         };
 232
 233                                         size = X_Node_fontSizeNode._rawObject.offsetHeight;
 234                                         if( X_ViewPort_baseFontSize !== size ){
 235                                                 X_ViewPort_baseFontSize && X_ViewPort.asyncDispatch( X.Event.BASE_FONT_RESIZED );
 236                                                 X_ViewPort_baseFontSize = size;
 237                                         };
 238
 239                                 }) :
 240                                 (function( e ){
 241                                         console.log( '-- resize : ' + X_Timer_now() );
 242
 243                                         !X_ViewPort_lock && ( X_ViewPort_lock = true ) && X.Timer.once( 100, X_Dom_detectFinishResizing );
 244                                         return X.Callback.PREVENT_DEFAULT | X.Callback.STOP_PROPAGATION;
 245                                 });
 246
 247                 function X_Dom_detectFinishResizing(){
 248                         var size = X_ViewPort_getWindowSize();
 249                         if( X_ViewPort_width !== size[ 0 ] || X_ViewPort_height !== size[ 1 ] ){
 250                                 X_ViewPort_width  = size[ 0 ];
 251                                 X_ViewPort_height = size[ 1 ];
 252                                 X.Timer.once( 100, X_Dom_detectFinishResizing );
 253                         } else {
 254                                 console.log( '-- detectFinishResizing : ' + X_Timer_now() );
 255
 256                                 X_ViewPort.asyncDispatch( X.Event.VIEW_RESIZED );
 257                                 X_ViewPort_lock = false;
 258                                 if( X_ViewPort_orientationFlag ){
 259                                         X_ViewPort_orientationFlag = false;
 260                                         X_ViewPort.asyncDispatch( 100, { type : X.Event.VIEW_TURNED, orientation : window.orientation } );
 261                                 };
 262                         };
 263                 };
 264
 265                 X_TEMP.onDomContentLoaded = function(){
 266                         var s, size, elmHtml, elmHead, elmBody, html, head, body;
 267
 268                         console.log( '> X_TEMP.onDomContentLoaded rs:' + X_ViewPort_readyState );
 269
 270                         if( X_TEMP.SYSTEM_EVENT_PRE_INIT <= X_ViewPort_readyState ) return X_Callback_UN_LISTEN;
 271                         X_ViewPort_readyState = X_TEMP.SYSTEM_EVENT_PRE_INIT;
 272
 273                         // 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
 274                         X_TEMP.onDomContentLoaded && X_ViewPort_document.unlisten( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 275                         delete X_TEMP.onDomContentLoaded;
 276
 277                         elmHtml = document.documentElement ||
 278                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'html' )[ 0 ] :
 279                                 X_UA_DOM.IE4 ? document.all.tags( 'html' )[ 0 ] : null;
 280
 281                         elmHead =
 282                                 X_UA_DOM.W3C ? document.getElementsByTagName( 'head' )[ 0 ] :
 283                                 X_UA_DOM.IE4 ? document.all.tags( 'head' )[ 0 ] : null;
 284
 285                         elmBody = document.body;
 286
 287                         X_ViewPort_rootElement = document.compatMode !== 'CSS1Compat' ? elmBody : elmHtml || elmBody;
 288
 289                         html = X.Doc.html = X_Node_html = elmHtml && new Node( elmHtml );
 290
 291                         head = X.Doc.head = X_Node_head = elmHead && new Node( elmHead );
 292
 293                         body = X.Doc.body = X_Node_body = new Node( elmBody );
 294
 295                         body._root   = html._root = head._root = body;// _root は html だろ
 296                         body.parent  = head.parent = html;
 297                         html._xnodes = [ head, body ];
 298
 299                         html.appendTo = html.appendToRoot = html.before = html.after = html.clone = html.remove = html.destroy = html.prevNode = html.nextNode =
 300                         html.create = html.createText = html.createAt = html.createTextAt = html.append = html.appendAt = html.empty = html.html = html.text =
 301                         head.appendTo = head.appendToRoot = head.before = head.after = head.clone = head.remove = head.destroy = head.prevNode = head.nextNode =
 302                         head.empty = head.html = head.text =
 303                         body.appendTo = body.appendToRoot = body.before = body.after = body.clone = body.remove = body.destroy = body.prevNode = body.nextNode = new Function( 'return this' );
 304
 305                         X_ViewPort.listenOnce( X_TEMP.SYSTEM_EVENT_PRE_INIT, function(){
 306                                 X_ViewPort_readyState = X_TEMP.SYSTEM_EVENT_XTREE;
 307                                 if( X_TEMP.X_Dom_useBuilder ) X_TEMP.X_Dom_useBuilder = !!document.body.children.length;
 308                                 !X_TEMP.X_Dom_useBuilder && X_ViewPort.asyncDispatch( X_TEMP.SYSTEM_EVENT_XTREE );
 309                         } );
 310
 311                         X_ViewPort.listenOnce( X_TEMP.SYSTEM_EVENT_XTREE, function(){
 312                                 X_ViewPort_readyState = X_TEMP.SYSTEM_EVENT_INIT;
 313                                 //X_UA.Opera7 && alert( 'bc' );
 314                                 X_Node_body.appendAt( 0,
 315                                         X_Node_systemNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ),
 316                                         X_Node_fontSizeNode = X_Doc_create( 'div', { 'class' : 'hidden-system-node' } ).cssText( 'line-height:1;height:1em;' ).text( 'X' )
 317                                 );
 318                                 X_Node_startUpdate();
 319
 320                                 X_ViewPort.asyncDispatch( X_TEMP.SYSTEM_EVENT_INIT );
 321                         } );
 322
 323                         X_ViewPort.listenOnce( X_TEMP.SYSTEM_EVENT_INIT, function(){
 324                                 var size = X_ViewPort_getWindowSize(),
 325
 326                                 // http://jsdo.it/imaya/kTYg
 327                                         body = document.body,
 328                                         defaultOverflow = document.body.style.overflow,
 329                                         w, h;
 330
 331                                 body.style.overflow = 'hidden';
 332                                 w = body.clientWidth;
 333                                 h = body.clientHeight;
 334
 335                                 body.style.overflow = 'scroll';
 336                                 w -= body.clientWidth;
 337                                 h -= body.clientHeight;
 338
 339                                 if( !w ) w = body.offsetWidth  - body.clientWidth;
 340                                 if( !h ) h = body.offsetHeight - body.clientHeight;
 341                                 body.style.overflow = defaultOverflow;
 342
 343                                 X_ViewPort_vScrollbarSize = w;
 344                                 X_ViewPort_hScrollbarSize = h;
 345                                 if( h <= 0 ){ // ie6, ie11, firefox で　負の値が返る
 346                                         console.log( 'invalid hScrollbarSize: ' + h );
 347                                         X_ViewPort_hScrollbarSize = w;
 348                                 };
 349
 350                                 //
 351                                 if( X_Dom_orientationchange ){
 352                                         X_EventDispatcher_systemListen( X_ViewPort, 'orientationchange', X_Dom_orientationchange );
 353                                 };
 354
 355                                 if( X_Dom_detectFontSize ){
 356                                         X_EventDispatcher_systemListen( X_ViewPort, 'resize', X_ViewPort_resize );
 357                                         X.Timer.add( 333, X_Dom_detectFontSize );
 358                                 } else {
 359                                         X.Timer.add( 333, X_ViewPort_resize );
 360                                 };
 361
 362                                 X_ViewPort_baseFontSize = X_Node_fontSizeNode._rawObject.offsetHeight;
 363
 364                                 X_ViewPort_readyState = X.Event.XDOM_READY;
 365                                 X_ViewPort.asyncDispatch( { type : X.Event.XDOM_READY, w : X_ViewPort_width = size[ 0 ], h : X_ViewPort_height = size[ 1 ] } );
 366                         } );
 367
 368                         X_ViewPort.asyncDispatch( X_TEMP.SYSTEM_EVENT_PRE_INIT );
 369
 370
 371                         X_EventDispatcher_systemListen( X_ViewPort, [ 'beforeunload', 'unload' ] );
 372
 373 //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
 374 //http://d.hatena.ne.jp/koumiya/20080916/1221580149
 375
 376                         if( document[ 'hidden' ] !== undefined ){// iOS 7+
 377                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'visibilitychange', X_ViewPort );
 378                         } else
 379                         if( document[ 'mozHidden' ] !== undefined ){
 380                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'mozvisibilitychange', X_ViewPort );
 381                         } else
 382                         if( document[ 'webkitHidden' ] !== undefined ){
 383                                 X_EventDispatcher_systemListen( X_ViewPort_document, 'webkitvisibilitychange', X_ViewPort );
 384                         } else
 385                         if( X_UA.iOS && window[ 'onpageshow' ] !== undefined ){
 386                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'pageshow', 'pagehide' ] );
 387                         } else {
 388                                 X_EventDispatcher_systemListen( X_ViewPort, [ 'focus', 'blur' ] );
 389                         };
 390
 391                         return X_Callback_UN_LISTEN;
 392                 };
 393
 394                 function X_ViewPort_getWindowSize(){
 395                         return X_UA.IE ?
 396                                 [ X_ViewPort_rootElement.clientWidth, X_ViewPort_rootElement.clientHeight ] :
 397                                 [ window.innerWidth, window.innerHeight ];
 398                 };
 399
 400
 401 console.log( 'X.Dom dom:w3c=' + X_UA_DOM.W3C + ' ev:w3c=' + X_UA_EVENT.W3C );
 402
 403 /* -----------------------------------------------
 404  * Document Ready
 405  *  Dean Edwards/Matthias Miller/John Resig
 406  */
 407
 408 // SafariでJavaScriptのデバッグをする方法
 409 // safari1.3 可
 410 // http://shimax.cocolog-nifty.com/search/2006/09/safarijavascrip_c54d.html
 411
 412 /* for ie9+/Mozilla/Opera9 */
 413 if( X_UA_EVENT.W3C ){
 414         X_ViewPort_document.listenOnce( 'DOMContentLoaded', X_TEMP.onDomContentLoaded );
 415 } else
 416 if( 6 <= X_UA.IE && X.inHead ){
 417         // if this script in Head
 418         document.write( "<script id=__ie_onload defer src=javascript:void(0)><\/script>" );
 419         X_TEMP._script = document.getElementById( "__ie_onload" );
 420         X_TEMP._script.onreadystatechange = function(){
 421                 var s = X_TEMP._script;
 422                 if( s && s.readyState === 'complete' ){
 423                         s.onreadystatechange = X.emptyFunction;
 424                         s.onreadystatechange = null;
 425                         s.parentNode.removeChild( s );
 426                         delete X_TEMP._script;
 427                         X_TEMP.onDomContentLoaded && X_TEMP.onDomContentLoaded();
 428                 };
 429         };
 430 };
 431 // Re: onLoad doesn't work with Safari?
 432 // http://lists.apple.com/archives/web-dev/2003/Oct/msg00036.html
 433 if( X_UA.WebKit || X_UA.Safari < 3 ){ // sniff
 434         X.Timer.add( 16, function(){
 435                 if( !X_TEMP.onDomContentLoaded ) return X_Callback_UN_LISTEN;
 436                 if( document.readyState === 'loaded' || document.readyState === 'complete' ) return X_TEMP.onDomContentLoaded();
 437         });
 438 };
 439
 440 /* for other browsers */
 441 X_ViewPort.listenOnce( 'load', X_TEMP.onDomContentLoaded );