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   1  /*
   2  YUI 3.17.2 (build 9c3c78e)
   3  Copyright 2014 Yahoo! Inc. All rights reserved.
   4  Licensed under the BSD License.
   5  http://yuilibrary.com/license/
   6  */
   7  
   8  YUI.add('swfdetect', function (Y, NAME) {
   9  
  10  /**
  11   * Utility for Flash version detection
  12   * @module swfdetect
  13   */
  14  
  15  // Shortcuts and helper methods
  16  var version = 0,
  17      uA = Y.UA,
  18      lG = Y.Lang,
  19      sF = "ShockwaveFlash",
  20      mF, eP, vS, ax6, ax;
  21  
  22  function makeInt(n) {
  23      return parseInt(n, 10);
  24  }
  25  
  26  function parseFlashVersion (flashVer) {
  27      if (lG.isNumber(makeInt(flashVer[0]))) {
  28          uA.flashMajor = flashVer[0];
  29      }
  30  
  31      if (lG.isNumber(makeInt(flashVer[1]))) {
  32          uA.flashMinor = flashVer[1];
  33      }
  34  
  35      if (lG.isNumber(makeInt(flashVer[2]))) {
  36          uA.flashRev = flashVer[2];
  37      }
  38  }
  39  
  40  if (uA.gecko || uA.webkit || uA.opera) {
  41     if ((mF = navigator.mimeTypes['application/x-shockwave-flash'])) {
  42        if ((eP = mF.enabledPlugin)) {
  43           vS = eP.description.replace(/\s[rd]/g, '.').replace(/[A-Za-z\s]+/g, '').split('.');
  44           parseFlashVersion(vS);
  45        }
  46     }
  47  }
  48  else if(uA.ie) {
  49      try
  50      {
  51          ax6 = new ActiveXObject(sF + "." + sF + ".6");
  52          ax6.AllowScriptAccess = "always";
  53      }
  54      catch (e)
  55      {
  56          if(ax6 !== null)
  57          {
  58              version = 6.0;
  59          }
  60      }
  61      if (version === 0) {
  62      try
  63      {
  64          ax = new ActiveXObject(sF + "." + sF);
  65          vS = ax.GetVariable("$version").replace(/[A-Za-z\s]+/g, '').split(',');
  66          parseFlashVersion(vS);
  67      } catch (e2) {}
  68      }
  69  }
  70  
  71  /** Create a calendar view to represent a single or multiple
  72    * month range of dates, rendered as a grid with date and
  73    * weekday labels.
  74    *
  75    * @class SWFDetect
  76    * @constructor
  77    */
  78  
  79  
  80  Y.SWFDetect = {
  81  
  82      /**
  83       * Returns the version of either the Flash Player plugin (in Mozilla/WebKit/Opera browsers),
  84       * or the Flash Player ActiveX control (in IE), as a String of the form "MM.mm.rr", where
  85       * MM is the major version, mm is the minor version, and rr is the revision.
  86       * @method getFlashVersion
  87       */
  88  
  89      getFlashVersion : function () {
  90          return (String(uA.flashMajor) + "." + String(uA.flashMinor) + "." + String(uA.flashRev));
  91      },
  92  
  93      /**
  94       * Checks whether the version of the Flash player installed on the user's machine is greater
  95       * than or equal to the one specified. If it is, this method returns true; it is false otherwise.
  96       * @method isFlashVersionAtLeast
  97       * @return {Boolean} Whether the Flash player version is greater than or equal to the one specified.
  98       * @param flashMajor {Number} The Major version of the Flash player to compare against.
  99       * @param flashMinor {Number} The Minor version of the Flash player to compare against.
 100       * @param flashRev {Number} The Revision version of the Flash player to compare against.
 101       */
 102      isFlashVersionAtLeast : function (flashMajor, flashMinor, flashRev) {
 103          var uaMajor    = makeInt(uA.flashMajor),
 104              uaMinor    = makeInt(uA.flashMinor),
 105              uaRev      = makeInt(uA.flashRev);
 106  
 107          flashMajor = makeInt(flashMajor || 0);
 108          flashMinor = makeInt(flashMinor || 0);
 109          flashRev   = makeInt(flashRev || 0);
 110  
 111          if (flashMajor === uaMajor) {
 112              if (flashMinor === uaMinor) {
 113                  return flashRev <= uaRev;
 114              }
 115              return flashMinor < uaMinor;
 116          }
 117          return flashMajor < uaMajor;
 118      }
 119  };
 120  
 121  
 122  }, '3.17.2', {"requires": ["yui-base"]});