Issue 5593 - Use messaging in popup for prefs, whitelisting, and stats

lib/filterComposer.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 182 matching lines @@
 
 FilterNotifier.on("page.WhitelistingStateRevalidate", updateContextMenu);
 
 Prefs.on("shouldShowBlockElementMenu", () =>
 {
   ext.pages.query({}, pages =>
   {
     for (let page of pages)
       updateContextMenu(page);
   });
+});
+
+port.on("composer.isPageReady", (message, sender) =>
+{
+  return readyPages.has(new ext.Page({id: message.pageId}));
 });
 
 port.on("composer.ready", (message, sender) =>
 {
   readyPages.set(sender.page, null);
   updateContextMenu(sender.page);
 });
 
 port.on("composer.openDialog", (message, sender) =>
 {
@@ skipping 45 matching lines @@
 
 port.on("composer.quoteCSS", (message, sender) =>
 {
   return quoteCSS(message.CSS);
 });
 
 ext.pages.onLoading.addListener(page =>
 {
   page.sendMessage({type: "composer.content.finished"});
 });