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