Update analytics.html

Author: talbring

_includes/analytics.html

@@ -1,10 +1,58 @@
+<link rel="stylesheet" type="text/css" href="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.css" />
+<script src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.js"></script>
 <script>
-  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
-  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
-  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+var gaProperty = '{{site.google_analytics}}';
 
-  ga('create', '{{ site.google_analytics }}', 'auto');
-  ga('send', 'pageview');
+// Disable tracking if the opt-out cookie exists.
+var disableStr = 'ga-disable-' + gaProperty;
+  
+(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
 
+ga('create', '{{ site.google_analytics }}', 'auto');
+ga('send', 'pageview');
+  
+window.addEventListener("load", function(){
+window.cookieconsent.initialise({
+  "palette": {
+    "popup": {
+      "background": "#333333"
+    },
+    "button": {
+      "background": "#ea2f10"
+    }
+  },
+  "position": "bottom-left",
+  "type": "opt-out"
+})});
+  
+  onInitialise: function (status) {
+  var type = this.options.type;
+  var didConsent = this.hasConsented();
+  if (type == 'opt-out' && !didConsent) {
+      window[disableStr] = true;
+  }
+},
+ 
+onStatusChange: function(status, chosenBefore) {
+  var type = this.options.type;
+  var didConsent = this.hasConsented();
+  if (type == 'opt-out' && !didConsent) {
+      window[disableStr] = true;
+  }
+},
+ 
+onRevokeChoice: function() {
+  var type = this.options.type;
+  if (type == 'opt-in') {
+    window[disableStr] = true;
+  }
+  if (type == 'opt-out') {
+    window[disableStr] = false;
+  }
+},
+  
 </script>
+