Issue 2071 - Fixed issues when sending messages from the popup to the background page

safari/ext/popup.js

 (function()
 {
   // Safari doesn't adjust the size of the popover automatically to the size
   // of its content, like when the ad counter is expanded/collapsed. So we add
   // event listeners to do so.
   var mayResize = true;
   var resizingScheduled = false;
 
   var updateSize = function()
   {
@@ skipping 55 matching lines @@
   // listener to do so.
   safari.application.addEventListener("activate", function()
   {
     safari.self.hide();
   }, true);
 
 
   // import ext into the javascript context of the popover. This code might fail,
   // when the background page isn't ready yet. So it is important to put it below
   // the reloading code above.
-  window.ext = Object.create(safari.extension.globalPage.contentWindow.ext);
+  var backgroundPage = safari.extension.globalPage.contentWindow;
+  window.ext = Object.create(backgroundPage.ext);
 
   ext.closePopup = function()
   {
     safari.self.hide();
   };
+
+  ext.backgroundPage = {
+    getWindow: function()
+    {
+      return backgroundPage;
+    },
+
+    // On Safari, you can't send messages from the popup to the
+    // background page. So we call the message listeners directly.
+    sendMessage: function(message, responseCallback)
+    {
+      if (!responseCallback)
+        responseCallback = function () {};
+
+      backgroundPage.ext.onMessage._dispatch(message, {}, responseCallback);
+    }
+  };
+
 })();