include/javascript/yui/build/swfdetect/swfdetect.js

   1 /*
   2 Copyright (c) 2011, Yahoo! Inc. All rights reserved.
   3 Code licensed under the BSD License:
   4 http://developer.yahoo.com/yui/license.html
   5 version: 2.9.0
   6 */
   7 /**
   8  * Utility for Flash version detection
   9  * @namespace YAHOO.util
  10  * @module swfdetect
  11  */
  12 YAHOO.namespace("util");
  13
  14 /**
  15  * Flafh detection utility.
  16  * @class SWFDetect
  17  * @static
  18  */
  19 (function () {
  20
  21 var version = 0;
  22 var uA = YAHOO.env.ua;
  23 var sF = "ShockwaveFlash";
  24 var mF, eP;
  25
  26         if (uA.gecko || uA.webkit || uA.opera) {
  27                    if ((mF = navigator.mimeTypes['application/x-shockwave-flash'])) {
  28                       if ((eP = mF.enabledPlugin)) {
  29                                  var vS = [];
  30                          vS = eP.description.replace(/\s[rd]/g, '.').replace(/[A-Za-z\s]+/g, '').split('.');
  31                         version = vS[0] + '.';
  32                                 switch((vS[2].toString()).length)
  33                                 {
  34                                         case 1:
  35                                         version += "00";
  36                                         break;
  37                                         case 2:
  38                                         version += "0";
  39                                         break;
  40                                 }
  41                                 version +=  vS[2];
  42                                 version = parseFloat(version);
  43                       }
  44                    }
  45                 }
  46                 else if(uA.ie) {
  47                     try
  48                     {
  49                         var ax6 = new ActiveXObject(sF + "." + sF + ".6");
  50                         ax6.AllowScriptAccess = "always";
  51                     }
  52                     catch(e)
  53                     {
  54                         if(ax6 != null)
  55                         {
  56                             version = 6.0;
  57                         }
  58                     }
  59                     if (version == 0) {
  60                     try
  61                     {
  62                         var ax  = new ActiveXObject(sF + "." + sF);
  63                         var vS = [];
  64                         vS = ax.GetVariable("$version").replace(/[A-Za-z\s]+/g, '').split(',');
  65                         version = vS[0] + '.';
  66                                 switch((vS[2].toString()).length)
  67                                 {
  68                                         case 1:
  69                                         version += "00";
  70                                         break;
  71                                         case 2:
  72                                         version += "0";
  73                                         break;
  74                                 }
  75                                 version +=  vS[2];
  76                                 version = parseFloat(version);
  77
  78                     } catch (e) {}
  79                     }
  80                 }
  81
  82                 uA.flash = version;
  83
  84 YAHOO.util.SWFDetect = {
  85                 getFlashVersion : function () {
  86                         return version;
  87                 },
  88
  89                 isFlashVersionAtLeast : function (ver) {
  90                         return version >= ver;
  91                 },
  92
  93                 parseFlashVersion : function (ver)
  94                 {
  95                         var flashVersion = ver;
  96                         if(YAHOO.lang.isString(ver))
  97                         {
  98                                 var verSplit = ver.split(".");
  99                                 if(verSplit.length > 2)
 100                                 {
 101                                         flashVersion = parseInt(verSplit[0]);
 102                                         flashVersion += parseInt(verSplit[2]) * .001;
 103                                 }
 104                                 else
 105                                 {
 106                                         flashVersion = parseFloat(ver);
 107                                 }
 108                         }
 109                         return YAHOO.lang.isNumber(flashVersion) ? flashVersion : null;
 110                 }
 111         };
 112 })();
 113 YAHOO.register("swfdetect", YAHOO.util.SWFDetect, {version: "2.9.0", build: "2800"});