lib/dojo/uacss.js

   1 /*
   2         Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
   3         Available via Academic Free License >= 2.1 OR the modified BSD license.
   4         see: http://dojotoolkit.org/license for details
   5 */
   6
   7
   8 if(!dojo._hasResource["dojo.uacss"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
   9 dojo._hasResource["dojo.uacss"] = true;
  10 dojo.provide("dojo.uacss");
  11
  12
  13 (function(){
  14         // summary:
  15         //              Applies pre-set CSS classes to the top-level HTML node, based on:
  16         //                      - browser (ex: dj_ie)
  17         //                      - browser version (ex: dj_ie6)
  18         //                      - box model (ex: dj_contentBox)
  19         //                      - text direction (ex: dijitRtl)
  20         //
  21         //              In addition, browser, browser version, and box model are
  22         //              combined with an RTL flag when browser text is RTL.  ex: dj_ie-rtl.
  23
  24         var d = dojo,
  25                 html = d.doc.documentElement,
  26                 ie = d.isIE,
  27                 opera = d.isOpera,
  28                 maj = Math.floor,
  29                 ff = d.isFF,
  30                 boxModel = d.boxModel.replace(/-/,''),
  31
  32                 classes = {
  33                         dj_ie: ie,
  34                         dj_ie6: maj(ie) == 6,
  35                         dj_ie7: maj(ie) == 7,
  36                         dj_ie8: maj(ie) == 8,
  37                         dj_ie9: maj(ie) == 9,
  38                         dj_quirks: d.isQuirks,
  39                         dj_iequirks: ie && d.isQuirks,
  40
  41                         // NOTE: Opera not supported by dijit
  42                         dj_opera: opera,
  43
  44                         dj_khtml: d.isKhtml,
  45
  46                         dj_webkit: d.isWebKit,
  47                         dj_safari: d.isSafari,
  48                         dj_chrome: d.isChrome,
  49
  50                         dj_gecko: d.isMozilla,
  51                         dj_ff3: maj(ff) == 3
  52                 }; // no dojo unsupported browsers
  53
  54         classes["dj_" + boxModel] = true;
  55
  56         // apply browser, browser version, and box model class names
  57         var classStr = "";
  58         for(var clz in classes){
  59                 if(classes[clz]){
  60                         classStr += clz + " ";
  61                 }
  62         }
  63         html.className = d.trim(html.className + " " + classStr);
  64
  65         // If RTL mode, then add dj_rtl flag plus repeat existing classes with -rtl extension.
  66         // We can't run the code below until the <body> tag has loaded (so we can check for dir=rtl).
  67         // Unshift() is to run sniff code before the parser.
  68         dojo._loaders.unshift(function(){
  69                 if(!dojo._isBodyLtr()){
  70                         var rtlClassStr = "dj_rtl dijitRtl " + classStr.replace(/ /g, "-rtl ")
  71                         html.className = d.trim(html.className + " " + rtlClassStr);
  72                 }
  73         });
  74 })();
  75
  76 }