added Private Browsing Window notification

data/collusion.js

@@ -24,6 +24,7 @@ const CACHEABLE = 13;
 const FROM_PRIVATE_MODE = 14;
 
 window.addEventListener('load', function(evt){
+    addon.emit("privateWindowCheck");
     // Wire up events
     document.querySelector('.btn_group.visualization').click();
     document.querySelector('[data-value=' + (localStorage.visualization || 'Graph') + ']').click();
@@ -39,6 +40,12 @@ window.addEventListener('beforeunload', function(){
 }, false);
 
 
+addon.on("isPrivateWindow", function(isPrivate){
+    if ( isPrivate ){
+        alert("You've launched Collusion in a Private Browsing Window. Connections collected under Private Browsing Windows will not be perserved. They won't appear again once the Window is close.");
+    }
+});
+
 function initCap(str){
     return str[0].toUpperCase() + str.slice(1);
 }

lib/ui.js

@@ -109,6 +109,11 @@ function attachToCollusionPage(worker) {
     
     Connection.on('tempConnections', onTempConnections);
 
+    worker.port.on("privateWindowCheck", function(){
+        var isPrivate = require("private-browsing").isPrivate( getCollusionTab() );
+        worker.port.emit("isPrivateWindow", isPrivate);
+    });
+    
     worker.port.on('uiready', function(){
         worker.port.emit('log', 'addon received uiready');
         Connection.on('restored', onRestored);