Issue 1296 - Add SetUpdateAvailableCallback

src/FilterEngine.cpp

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 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 322 matching lines @@
 }
 
 std::string FilterEngine::GetHostFromURL(const std::string& url)
 {
   JsValuePtr func = jsEngine->Evaluate("API.getHostFromUrl");
   JsValueList params;
   params.push_back(jsEngine->NewValue(url));
   return func->Call(params)->AsString();
 }
 
-void FilterEngine::ForceUpdateCheck(FilterEngine::UpdaterCallback callback)
+void FilterEngine::SetUpdateAvailableCallback(
+    FilterEngine::UpdateAvailableCallback callback)
+{
+  jsEngine->SetEventCallback("updateAvailable",
+      std::tr1::bind(&FilterEngine::UpdateAvailable, this, callback,
+                     std::tr1::placeholders::_1));
+}
+
+void FilterEngine::RemoveUpdateAvailableCallback()
+{
+  jsEngine->RemoveEventCallback("updateAvailable");
+}
+
+void FilterEngine::UpdateAvailable(
+    FilterEngine::UpdateAvailableCallback callback, JsValueList& params)
+{
+  if (params.size() >= 1 && !params[0]->IsNull())
+    callback(params[0]->AsString());
+}
+
+void FilterEngine::ForceUpdateCheck(
+    FilterEngine::UpdateCheckDoneCallback callback)
 {
   std::string eventName = "updateCheckDone";
   eventName += ++updateCheckId;
 
   jsEngine->SetEventCallback(eventName, std::tr1::bind(&FilterEngine::UpdateCheckDone,
       this, eventName, callback, std::tr1::placeholders::_1));
 
   JsValuePtr func = jsEngine->Evaluate("API.forceUpdateCheck");
   JsValueList params;
   params.push_back(jsEngine->NewValue(eventName));
   func->Call(params);
 }
 
-void FilterEngine::UpdateCheckDone(const std::string& eventName, FilterEngine::UpdaterCallback callback, JsValueList& params)
+void FilterEngine::UpdateCheckDone(const std::string& eventName,
+    FilterEngine::UpdateCheckDoneCallback callback, JsValueList& params)
 {
   jsEngine->RemoveEventCallback(eventName);
 
   std::string error(params.size() >= 1 && !params[0]->IsNull() ? params[0]->AsString() : "");
   callback(error);
 }
 
 void FilterEngine::SetFilterChangeCallback(FilterEngine::FilterChangeCallback callback)
 {
   jsEngine->SetEventCallback("filterChange", std::tr1::bind(&FilterEngine::FilterChanged,
@@ skipping 13 matching lines @@
 }
 
 int FilterEngine::CompareVersions(const std::string& v1, const std::string& v2)
 {
   JsValueList params;
   params.push_back(jsEngine->NewValue(v1));
   params.push_back(jsEngine->NewValue(v2));
   JsValuePtr func = jsEngine->Evaluate("API.compareVersions");
   return func->Call(params)->AsInt();
 }