Handle anonymous users

js/h5p-x-api-event.js

@@ -98,11 +98,33 @@ H5P.XAPIEvent.prototype.setObject = function(instance) {
  * Helper function to set the actor, email and name will be added automatically
  */
 H5P.XAPIEvent.prototype.setActor = function() {
+  if (H5PIntegration.user !== undefined) {
     this.data.statement.actor = {
       'name': H5PIntegration.user.name,
       'mbox': 'mailto:' + H5PIntegration.user.mail,
       'objectType': 'Agent'
     };
+  }
+  else {
+    var uuid;
+    if (localStorage.H5PUserUUID) {
+      uuid = localStorage.H5PUserUUID;
+    }
+    else {
+      uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(char) {
+        var random = Math.random()*16|0, newChar = char === 'x' ? random : (random&0x3|0x8);
+        return newChar.toString(16);
+      });
+      localStorage.H5PUserUUID = uuid;
+    }
+    this.data.statement.actor = {
+      'account': {
+        'name': uuid,
+        'homePage': window.location.origin + H5PIntegration.basePath
+      },
+      'objectType': 'Agent'
+    };
+  }
 };
 
 /**