Added beacon & placeholder to the auditor for future builds

Author: ironikart

Auditor/HTMLCSAuditor.js

@@ -1556,6 +1556,8 @@ _global.HTMLCSAuditor = new function()
                 }
             }//end for
 
+            // -- Google Analytics Beacon Placeholder -- //
+
             if (_options.runCallback) {
                 var _newMsgs = _options.runCallback.call(this, _messages, newlyOpen);
                 if ((_newMsgs instanceof Array) === true) {

Auditor/beacon.js

@@ -0,0 +1,157 @@
+var _gaBeacon = {
+    uaAcct: '359178.17',
+    self: this,
+
+    /**
+     * Build a GA domain hash.
+     */
+    domainHash: function(domain) {
+        var hash = 0;
+        var c    = 0;
+
+        for (var pos = domain.length - 1; pos >= 0; pos--) {
+            var ord = domain.charCodeAt(pos);
+            hash    = (hash << 6 & 0xfffffff) + ord + (ord << 14);
+            c       = hash & 0xfe00000;
+            hash    = (c != 0) ? (hash ^ c >> 21) : hash;
+        }
+
+        return hash;
+    },
+
+    /**
+     * Get a random number.
+     */
+    rand: function() {
+        return Math.floor(Math.random() * 0x80000000);
+    },
+
+    /**
+     * Build a new utma cookie.
+     */
+    buildUtma: function() {
+        var utma = [];
+
+        utma.push(this.domainHash(document.location.hostname));
+        utma.push(this.rand());
+        utma.push(Math.floor((new Date().getTime()) / 1000));
+        utma.push(utma[2]);
+        utma.push(utma[2]);
+        utma.push(1);
+
+        return utma.join('.');
+    },
+
+    /**
+     * Renew a utma cookie (potentially).
+     */
+    renewUtma: function(utma, force) {
+        var utmc = this.getCookie('utmc');
+
+        if ((force === true) || (!utmc)) {
+            utma = utma.split('.');
+            utma[5]++;
+            utma[3] = utma[4];
+            utma[4] = Math.floor((new Date().getTime()) / 1000);
+            utma = utma.join('.');
+        }
+
+        return utma;
+    },
+
+    /**
+     * Build custom vars "X10" code.
+     */
+    buildCustomVars: function(standard, errors, warnings, notices) {
+        var keys   = ['Standard', 'Errors', 'Warnings', 'Notices'];
+        var values = [standard, errors, warnings, notices];
+        var x10    = '';
+
+        x10 += '8(' + keys.join('*') + ')';
+        x10 += '9(' + values.join('*') + ')';
+
+        return x10;
+    },
+
+    /**
+     * Build a URL.
+     */
+    url: function(standard, errors, warnings, notices, force) {
+        var url = 'http://www.google-analytics.com/__utm.gif?';
+        if (location.protocol === 'https:') {
+            url = 'https://ssl.google-analytics.com/__utm.gif?';
+        }
+
+        var utma = this.getCookie('utma');
+        if (!utma) {
+            utma = this.buildUtma();
+        } else {
+            utma = this.renewUtma(utma, force);
+        }
+
+        var expires = new Date();
+        expires.setFullYear(expires.getFullYear() + 2);
+
+        this.setCookie('utma', utma, expires);
+        this.setCookie('utmc', this.domainHash(document.location.hostname));
+
+        var getVars = {
+            utmwv: '0.0',
+            utmn: this.rand(),
+            utmhn: document.location.hostname,
+            utmp: document.location.pathname,
+            utmac: 'UA-' + this.uaAcct.split('.').join('-'),
+            utme: this.buildCustomVars(standard, errors, warnings, notices),
+            utmcc: '__utma=' + utma + ';'
+        }
+
+        for (varName in getVars) {
+            url += escape(varName) + '=' + escape(getVars[varName]) + '&';
+        }
+
+        return url;
+    },
+
+    /**
+     * Set cookie.
+     */
+    setCookie: function(cookieName, value, expires) {
+        cookieName = '__htmlcs.' + cookieName;
+
+        var cookieStr = cookieName + '=' + value;
+        cookieStr    += ';path=/';
+
+        if (expires) {
+            cookieStr += ';expires=' + escape(expires.toString());
+        }
+
+        document.cookie = cookieStr;
+    },
+
+    /**
+     * Check whether cookie exists.
+     * (Based on Mozilla Developer Network page example on "document.cookie").
+     */
+    cookieExists: function (cookieName) {
+        cookieName  = '__htmlcs.' + cookieName;
+        return (new RegExp("(?:^|;\\s*)" + escape(cookieName).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(document.cookie);
+    },
+
+    /**
+     * Get cookie.
+     * (Based on Mozilla Developer Network page example on "document.cookie").
+     */
+    getCookie: function(cookieName) {
+        if (this.cookieExists(cookieName) === false) {
+            return null;
+        }
+
+        cookieName = '__htmlcs.' + cookieName;
+        return unescape(document.cookie.replace(new RegExp("(?:^|.*;\\s*)" + escape(cookieName).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*"), "$1"));
+    }
+};
+
+var counts = self.countIssues(_messages);
+var gaImg  = _doc.createElement('img');
+gaImg.src  = _gaBeacon.url(standard, counts.error, counts.warning, counts.notice, newlyOpen);
+gaImg.style.display = 'none';