Add Adblock Plus API

adblockplus/Api.jsm

Index: adblockplus/Api.jsm
===================================================================
new file mode 100644
--- /dev/null
+++ b/adblockplus/Api.jsm
@@ -0,0 +1,53 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2015 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+var EXPORTED_SYMBOLS = ["AdblockPlusApi"];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import("resource://gre/modules/Services.jsm");
+
+function require(module)
+{
+  let result = {};
+  result.wrappedJSObject = result;
+  Services.obs.notifyObservers(result, "adblockplus-require", module);
+  return result.exports;
+}
+
+let {FilterStorage} = require("filterStorage");
+let {Prefs} = require("prefs");
+let {DownloadableSubscription} = require("subscriptionClasses");
+let {UI} = require("ui");
+
+var AdblockPlusApi =
+{
+  get acceptableAdsEnabled()
+  {
+    return FilterStorage.subscriptions.some(
+      (subscription) => subscription.url == Prefs.subscriptions_exceptionsurl);
+  },
+  set acceptableAdsEnabled(acceptableAdsEnabled)
+  {
+    if (acceptableAdsEnabled === AdblockPlusApi.acceptableAdsEnabled)
+      return;
+    UI.toggleAcceptableAds();
+  }
+};