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