mixpanel: make options usage data super properties

- wilting threshold as raw value
- topics as true/false as previously

lib/mixpanel.js

@@ -24,24 +24,3 @@ var track;
 		}
 	};
 })();
-
-// Build an object from options Store to track how settings are used in options
-var prepareProps = function() {
-	var props = {};
-
-	var topics = settings.get('topics');
-	if (topics) {
-		props.disabledTopics = _.contains(_.values(topics), false);
-	} else {
-		props.disabledTopics = false;
-	}
-
-	var threshold = settings.get('wilting-threshold');
-	if (threshold) {
-		props.thresholdUsed = threshold !== DEFAULTS['wilting-threshold'];
-	} else {
-		props.thresholdUsed = false;
-	}
-
-	return props;
-};

main.js

@@ -246,7 +246,7 @@ chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
 });
 
 chrome.browserAction.onClicked.addListener(function() {
-	track('Button Click', prepareProps());
+	track('Button Click');
 
 	var url;
 	if (url = localStorage.actionURL) {

options.js

@@ -2,6 +2,29 @@ var DASHBOARD_URL = 'http://www.memrise.com/home/';
 var settings = new Store("settings", DEFAULTS);
 var resetTopics;
 
+// Build an object from options Store to track how settings are used
+var prepareProps = function() {
+	var props = {};
+
+	var topics = settings.get('topics');
+	if (topics) {
+		props['Topics Disabled'] = _.contains(_.values(topics), false);
+	} else {
+		props['Topics Disabled'] = false;
+	}
+
+	props['Wilting Threshold'] = settings.get('wilting-threshold');
+
+	return props;
+};
+
+// HACK: Store bindEvent doesn't work
+var oldset = settings.set;
+settings.set = function() {
+	oldset.apply(settings, arguments);
+	mixpanel.register(prepareProps());
+};
+
 $(document).ready(function() {
 	// Text input logic
 	$('input[type=text]')