Create a minimal settings UI

adblockplus/Api.jsm

Index: adblockplus/Api.jsm
diff --git a/adblockplus/Api.jsm b/adblockplus/Api.jsm
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+++ b/adblockplus/Api.jsm
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+/*
+ * 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");
+Cu.import("resource://gre/modules/Messaging.jsm");
+
+function require(module)
+{
+  let result = {};
+  result.wrappedJSObject = result;
+  Services.obs.notifyObservers(result, "adblockplus-require", module);
+  return result.exports;
+}
+
+let {FilterNotifier} = require("filterNotifier");
+let {FilterStorage} = require("filterStorage");
+let {Prefs} = require("prefs");
+let {UI} = require("ui");
+
+let {FilterNotifier} = require("filterNotifier");
+
+var AdblockPlusApi =
+{
+  get filtersLoaded()
+  {
+    return filtersLoaded;
+  },
+  get acceptableAdsEnabled()
+  {
+    return FilterStorage.subscriptions.some(
+      (subscription) => subscription.url == Prefs.subscriptions_exceptionsurl);
+  },
+  set acceptableAdsEnabled(acceptableAdsEnabled)
+  {
+    if (acceptableAdsEnabled != AdblockPlusApi.acceptableAdsEnabled)
+      UI.toggleAcceptableAds();
+  }
+};
+
+
+FilterNotifier.addListener(function filterListener(action)
+{
+  if (action != "load")
+    return;
+
+  filtersLoaded = true;
+  FilterNotifier.removeListener(filterListener);
+});
+
+RequestService.addListener(function(data)
+{
+  if (!data)
+    return {"success" : false, "error" : "misformed request"};
+
+  if (data["action"] == "query_ready_state")
+    return {"success" : true, "value" : AdblockPlusApi.filtersLoaded};
+
+  if (!AdblockPlusApi.filtersLoaded)
+    return {"success" : false, "error" : "filters not loaded"};
+
+  switch (data["action"])
+  {
+    case "query_acceptable_ads_state":
+      return {"success" : true, "value" : AdblockPlusApi.acceptableAdsEnabled};
+    case "change_acceptable_ads_state":
+      if ("enable" in data)
+      {
+        AdblockPlusApi.acceptableAdsEnabled = !!data["enable"];
+        return {"success" : true};
+      }
+      return {"success" : false, "error" : "misformed request"};
+    default:
+      return {"success" : false, "error" : "unknown action '" + data["action"] + "'"};
+  }
+  return {"success" : false, "error" : "misformed request"};
+}, "AdblockPlus:Api");
+