Issue 5180 - introduce asynchronous web request

src/JsEngine.cpp

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 54 matching lines @@
   };
 }
 
 using namespace AdblockPlus;
 
 TimerPtr AdblockPlus::CreateDefaultTimer()
 {
   return TimerPtr(new DefaultTimer());
 }
 
+WebRequestPtr AdblockPlus::CreateDefaultWebRequest()
+{
+  return WebRequestPtr(new DefaultWebRequest(std::make_shared<DefaultWebRequestSync>()));
+}
+
 AdblockPlus::ScopedV8Isolate::ScopedV8Isolate()
 {
   V8Initializer::Init();
   isolate = v8::Isolate::New();
 }
 
 AdblockPlus::ScopedV8Isolate::~ScopedV8Isolate()
 {
   isolate->Dispose();
   isolate = nullptr;
@@ skipping 28 matching lines @@
 void JsEngine::CallTimerTask(const JsWeakValuesID& timerParamsID)
 {
   auto timerParams = TakeJsValues(timerParamsID);
   JsValue callback = std::move(timerParams[0]);
 
   timerParams.erase(timerParams.begin()); // remove callback placeholder
   timerParams.erase(timerParams.begin()); // remove timeout param
   callback.Call(timerParams);
 }
 
-AdblockPlus::JsEngine::JsEngine(const ScopedV8IsolatePtr& isolate, TimerPtr timer)
+AdblockPlus::JsEngine::JsEngine(const ScopedV8IsolatePtr& isolate,
+  TimerPtr timer, WebRequestPtr webRequest)
   : isolate(isolate)
   , fileSystem(new DefaultFileSystem())
-  , webRequest(new DefaultWebRequest())
   , logSystem(new DefaultLogSystem())
   , timer(std::move(timer))
+  , webRequest(std::move(webRequest))
 {
 }
 
 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo,
-  TimerPtr timer,
+  TimerPtr timer, WebRequestPtr webRequest,
   const ScopedV8IsolatePtr& isolate)
 {
-  JsEnginePtr result(new JsEngine(isolate, std::move(timer)));
+  JsEnginePtr result(new JsEngine(isolate, std::move(timer), std::move(webRequest)));
 
   const v8::Locker locker(result->GetIsolate());
   const v8::Isolate::Scope isolateScope(result->GetIsolate());
   const v8::HandleScope handleScope(result->GetIsolate());
 
   result->context.reset(new v8::Persistent<v8::Context>(result->GetIsolate(),
     v8::Context::New(result->GetIsolate())));
   auto global = result->GetGlobalObject();
   AdblockPlus::GlobalJsObject::Setup(*result, appInfo, global);
   return result;
@@ skipping 155 matching lines @@
 }
 
 void AdblockPlus::JsEngine::SetFileSystem(const AdblockPlus::FileSystemPtr& val)
 {
   if (!val)
     throw std::runtime_error("FileSystem cannot be null");
 
   fileSystem = val;
 }
 
-WebRequestSharedPtr AdblockPlus::JsEngine::GetWebRequest() const
-{
-  return webRequest;
-}
-
 void AdblockPlus::JsEngine::SetWebRequest(const AdblockPlus::WebRequestSharedPtr& val)
 {
   if (!val)
     throw std::runtime_error("WebRequest cannot be null");
 
-  webRequest = val;
+  webRequestLegacy = val;
 }
 
 AdblockPlus::LogSystemPtr AdblockPlus::JsEngine::GetLogSystem() const
 {
   return logSystem;
 }
 
 void AdblockPlus::JsEngine::SetLogSystem(const AdblockPlus::LogSystemPtr& val)
 {
   if (!val)
     throw std::runtime_error("LogSystem cannot be null");
 
   logSystem = val;
 }
 
 
 void AdblockPlus::JsEngine::SetGlobalProperty(const std::string& name,
                                               const AdblockPlus::JsValue& value)
 {
   auto global = GetGlobalObject();
   global.SetProperty(name, value);
 }