ManageIQ/manageiq-ui-classic

window.miqBrowserDetect = function() {
  var BrowserDetect = {
    init: function() {
      this.browser = this.searchString(this.dataBrowser) || 'An unknown browser';
      this.version = this.searchVersion(navigator.userAgent) ||
                     this.searchVersion(navigator.appVersion) ||
                     'an unknown version';
      this.OS = this.searchString(this.dataOS) || 'an unknown OS';
    },
    searchString: function(data) {
      for (var i = 0; i < data.length; i++)    {
        var dataString = data[i].string;
        var dataProp = data[i].prop;
        this.versionSearchString = data[i].versionSearch || data[i].identity;
        if (dataString) {
          if (dataString.indexOf(data[i].subString) !== -1) {
            return data[i].identity;
          }
        } else if (dataProp) {
          return data[i].identity;
        }
      }
      return null;
    },
    searchVersion: function(dataString) {
      var index = dataString.indexOf(this.versionSearchString);
      if (index === -1) {
        return null;
      }
      return parseFloat(dataString.substring(index + this.versionSearchString.length + 1));
    },
    dataBrowser: [
      {
        string: navigator.userAgent,
        subString: 'OmniWeb',
        versionSearch: 'OmniWeb/',
        identity: 'OmniWeb',
      },
      {
        string: navigator.vendor,
        subString: 'Apple',
        identity: 'Safari',
      },
      {
        prop: window.opera,
        identity: 'Opera',
      },
      {
        string: navigator.vendor,
        subString: 'iCab',
        identity: 'iCab',
      },
      {
        string: navigator.vendor,
        subString: 'KDE',
        identity: 'Konqueror',
      },
      {
        string: navigator.userAgent,
        subString: 'Firefox',
        identity: 'Firefox',
      },
      {
        string: navigator.vendor,
        subString: 'Camino',
        identity: 'Camino',
      },
      { // For newer Netscapes (6+)
        string: navigator.userAgent,
        subString: 'Netscape',
        identity: 'Netscape',
      },
      {
        string: navigator.userAgent,
        subString: 'MSIE',
        identity: 'Explorer',
        versionSearch: 'MSIE',
      },
      {
        string: navigator.userAgent,
        subString: 'Trident',
        identity: 'Explorer',
        versionSearch: 'rv',
      },
      {
        string: navigator.vendor,
        subString: 'Google Inc.',
        identity: 'Chrome',
        versionSearch: 'Chrome',
      },
      {
        string: navigator.userAgent,
        subString: 'Gecko',
        identity: 'Mozilla',
        versionSearch: 'rv',
      },
      { // For older Netscapes (4-)
        string: navigator.userAgent,
        subString: 'Mozilla',
        identity: 'Netscape',
        versionSearch: 'Mozilla',
      }],
    dataOS: [
      {
        string: navigator.platform,
        subString: 'Win',
        identity: 'Windows',
      },
      {
        string: navigator.platform,
        subString: 'Mac',
        identity: 'Mac',
      },
      {
        string: navigator.platform,
        subString: 'Linux',
        identity: 'Linux',
      },
    ],
  };
  BrowserDetect.init();
  return BrowserDetect;
}