Merge c439322 into 76a1880

media/redesign/js/compatibility.js

@@ -0,0 +1,18 @@
+mdn.compat = {
+
+    // Based on the Modernizr localStorage test
+    // https://github.com/Modernizr/Modernizr/blob/master/feature-detects/storage/localstorage.js
+    localstorage: (function() {
+        'use strict';
+
+        var key = 'mdn';
+        try {
+            localStorage.setItem(key, key);
+            localStorage.removeItem(key);
+            return true;
+        } catch (e) {
+            return false;
+        }
+    })()
+
+};

settings.py

@@ -700,6 +700,7 @@ def JINJA_CONFIG():
     'js': {
         'main': (
             'js/libs/jquery-2.1.0.js',
+            'redesign/js/compatibility.js',
             'redesign/js/components.js',
             'redesign/js/analytics.js',
             'redesign/js/main.js',

templates/base.html

@@ -188,6 +188,29 @@
       </script>
     {% endif %}
 
+    {% if request.user.is_authenticated() %}
+        <script>
+            if(mdn.compat.localstorage && !localStorage.getItem('logged-in')) {
+                var service = '{{request.session.sociallogin_provider}}';
+
+                localStorage.setItem('logged-in', 1);
+
+                mdn.optimizely.push(['trackEvent', 'login-' + service]);
+                mdn.analytics.trackEvent({
+                    category: 'Sign-in',
+                    action: 'Complete',
+                    label: service
+                });
+            }
+        </script>
+    {% else %}
+        <script>
+            if(mdn.compat.localstorage && localStorage.getItem('logged-in')) {
+                localStorage.removeItem('logged-in');
+            }
+        </script>
+    {% endif %}
+
     {% for script in scripts %}
       {{ js(script) }}
     {% endfor %}