Get rid of dependencies on v8.h in public header files

include/AdblockPlus/JsEngine.h

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2013 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/>.
  */
 
 #ifndef ADBLOCK_PLUS_JS_ENGINE_H
 #define ADBLOCK_PLUS_JS_ENGINE_H
 
 #include <map>
 #include <stdexcept>
 #include <stdint.h>
 #include <string>
-#include <v8.h>
 #include <AdblockPlus/AppInfo.h>
 #include <AdblockPlus/tr1_functional.h>
 #include <AdblockPlus/LogSystem.h>
 #include <AdblockPlus/FileSystem.h>
 #include <AdblockPlus/JsValue.h>
 #include <AdblockPlus/WebRequest.h>
 
 #include "tr1_memory.h"
+#include "V8ValueHolder.h"
+
+namespace v8
+{
+  class Arguments;
+  class Isolate;
+  class Context;
+  template <class T> class Handle;

[Felix Dahlke, 2013/05/24 15:45:41]

I thought we agreed on "template<class T>" (no space) :P

+  template <class T> class Persistent;
+  typedef Handle<Value>(*InvocationCallback)(const Arguments &args);
+}
 
 namespace AdblockPlus
 {
-  class JsError : public std::runtime_error
-  {
-  public:
-    JsError(const v8::Handle<v8::Value> exception,
-            const v8::Handle<v8::Message> message);
-  };
-
   class JsEngine;
   typedef std::tr1::shared_ptr<JsEngine> JsEnginePtr;
 
   class JsEngine : public std::tr1::enable_shared_from_this<JsEngine>
   {
     friend class JsValue;
+    friend class JsContext;
 
   public:
     typedef std::tr1::function<void()> EventCallback;
     typedef std::map<std::string, EventCallback> EventMap;
 
     static JsEnginePtr New(const AppInfo& appInfo = AppInfo());
     void SetEventCallback(const std::string& eventName, EventCallback callback);
     void RemoveEventCallback(const std::string& eventName);
     void TriggerEvent(const std::string& eventName);
     JsValuePtr Evaluate(const std::string& source,
@@ skipping 21 matching lines @@
     static JsEnginePtr FromArguments(const v8::Arguments& arguments);
     JsValueList ConvertArguments(const v8::Arguments& arguments);
 
     FileSystemPtr GetFileSystem();
     void SetFileSystem(FileSystemPtr val);
     WebRequestPtr GetWebRequest();
     void SetWebRequest(WebRequestPtr val);
     LogSystemPtr GetLogSystem();
     void SetLogSystem(LogSystemPtr val);
 
-    class Context
-    {
-    public:
-      Context(const JsEnginePtr jsEngine);
-      virtual inline ~Context() {};
-
-    private:
-      const v8::Locker locker;
-      const v8::HandleScope handleScope;
-      const v8::Context::Scope contextScope;
-    };
-
   private:
     JsEngine();
 
     FileSystemPtr fileSystem;
     WebRequestPtr webRequest;
     LogSystemPtr logSystem;
     v8::Isolate* isolate;
-    v8::Persistent<v8::Context> context;
+    V8ValueHolder<v8::Context> context;
     EventMap eventCallbacks;
   };
 }
 
 #endif