/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
#ifndef SCRIPTABLEPLUGINOBJECTBASE_H
#define SCRIPTABLEPLUGINOBJECTBASE_H
/*
CODE FROM "plugin.cpp"
Helper class that can be used to map calls to the NPObject hooks into 
virtual methods on instances of classes that derive from this class.
*/

#include "npapi.h"
#include "npruntime.h"

class ScriptablePluginObjectBase : public NPObject
{
public:
  ScriptablePluginObjectBase(NPP npp)
    : mNpp(npp)
  {
  }

  virtual ~ScriptablePluginObjectBase()
  {
  }

  // Virtual NPObject hooks called through this base class. Override
  // as you see fit.
  virtual void Invalidate();
  virtual bool HasMethod(NPIdentifier name);
  virtual bool Invoke(NPIdentifier name, const NPVariant *args,
                      uint32_t argCount, NPVariant *result);
  virtual bool InvokeDefault(const NPVariant *args, uint32_t argCount,
                             NPVariant *result);
  virtual bool HasProperty(NPIdentifier name);
  virtual bool GetProperty(NPIdentifier name, NPVariant *result);
  virtual bool SetProperty(NPIdentifier name, const NPVariant *value);
  virtual bool RemoveProperty(NPIdentifier name);
  virtual bool Enumerate(NPIdentifier **identifier, uint32_t *count);
  virtual bool Construct(const NPVariant *args, uint32_t argCount,
                         NPVariant *result);

public:
  static void _Deallocate(NPObject *npobj);
  static void _Invalidate(NPObject *npobj);
  static bool _HasMethod(NPObject *npobj, NPIdentifier name);
  static bool _Invoke(NPObject *npobj, NPIdentifier name,
                      const NPVariant *args, uint32_t argCount,
                      NPVariant *result);
  static bool _InvokeDefault(NPObject *npobj, const NPVariant *args,
                             uint32_t argCount, NPVariant *result);
  static bool _HasProperty(NPObject * npobj, NPIdentifier name);
  static bool _GetProperty(NPObject *npobj, NPIdentifier name,
                           NPVariant *result);
  static bool _SetProperty(NPObject *npobj, NPIdentifier name,
                           const NPVariant *value);
  static bool _RemoveProperty(NPObject *npobj, NPIdentifier name);
  static bool _Enumerate(NPObject *npobj, NPIdentifier **identifier,
                         uint32_t *count);
  static bool _Construct(NPObject *npobj, const NPVariant *args,
                         uint32_t argCount, NPVariant *result);

protected:
  NPP mNpp;
};

#define DECLARE_NPOBJECT_CLASS_WITH_BASE(_class, ctor)                        \
static NPClass s##_class##_NPClass = {                                        \
  NP_CLASS_STRUCT_VERSION_CTOR,                                               \
  ctor,                                                                       \
  ScriptablePluginObjectBase::_Deallocate,                                    \
  ScriptablePluginObjectBase::_Invalidate,                                    \
  ScriptablePluginObjectBase::_HasMethod,                                     \
  ScriptablePluginObjectBase::_Invoke,                                        \
  ScriptablePluginObjectBase::_InvokeDefault,                                 \
  ScriptablePluginObjectBase::_HasProperty,                                   \
  ScriptablePluginObjectBase::_GetProperty,                                   \
  ScriptablePluginObjectBase::_SetProperty,                                   \
  ScriptablePluginObjectBase::_RemoveProperty,                                \
  ScriptablePluginObjectBase::_Enumerate,                                     \
  ScriptablePluginObjectBase::_Construct                                      \
}

#define GET_NPOBJECT_CLASS(_class) &s##_class##_NPClass

#endif