Create a minimal settings UI

adblockplus/Api.jsm

Index: adblockplus/Api.jsm
diff --git a/adblockplus/Api.jsm b/adblockplus/Api.jsm
index d87c428db1072eacdb8f8ba52a97a52879b1992c..26c8c409aff3ff94cb46255852e775493941bb73 100644
--- a/adblockplus/Api.jsm
+++ b/adblockplus/Api.jsm
@@ -23,6 +23,7 @@ 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)
 {
@@ -38,6 +39,10 @@ let {UI} = require("ui");
 
 var AdblockPlusApi =
 {
+  get filtersLoaded()
+  {
+    return !FilterStorage._loading;
+  },
   get acceptableAdsEnabled()
   {
     return FilterStorage.subscriptions.some(
@@ -47,5 +52,34 @@ var AdblockPlusApi =
   {
     if (acceptableAdsEnabled != AdblockPlusApi.acceptableAdsEnabled)
       UI.toggleAcceptableAds();
+  },
+  initCommunication: function() 
+  {
+    RequestService.addListener((function(data)
+    {
+      if (!data)
+        return {"success": false, "error": "malformed request"};
+
+      if (data["action"] == "getFiltersLoaded")
+        return {"success": true, "value": this.filtersLoaded};
+
+      if (!this.filtersLoaded)
+        return {"success": false, "error": "filters not loaded"};
+
+      switch (data["action"])
+      {
+        case "getAcceptableAdsEnabled":
+          return {"success": true, "value": this.acceptableAdsEnabled};
+        case "setAcceptableAdsEnabled":
+          if ("enable" in data)
+          {
+            this.acceptableAdsEnabled = !!data["enable"];
+            return {"success" : true};
+          }
+          return {"success": false, "error": "malformed request"};
+      }
+      return {"success": false, "error": "malformed request"};
+    }).bind(this), "AdblockPlus:Api");
   }
 };
+