#include <com/factory.hpp>
#include <com/result.hpp>
#include <com/instance.hpp>

ClassFactory::ClassFactory(DLLServer &server,Console &winConsole)
: mRefCount(0), mServer(server), mWinConsole(winConsole), mpInstantiator(0)
{
  mWinConsole.writeLine("<ClassFactory::ClassFactory>");  
}

ClassFactory::~ClassFactory()
{
  mWinConsole.writeLine("<ClassFactory::~ClassFactory>");
}

HRESULT __stdcall ClassFactory::QueryInterface(REFIID riid,void **ppv)
{
  mWinConsole.writeLine("<ClassFactory::QueryInterface>");
  if(IsEqualIID(riid,IID_IUnknown)||IsEqualIID(riid,IID_IClassFactory))*ppv=this;
	else {*ppv=0;return ComResult::NoInterface;}
	AddRef();
	return ComResult::NoError;
}

ULONG __stdcall ClassFactory::AddRef(void)
{
  mWinConsole.writeLine("<ClassFactory::AddRef>");
  return ++mRefCount;
}

ULONG __stdcall ClassFactory::Release(void)
{
  mWinConsole.writeLine("<ClassFactory::Release>");
  if(0==--mRefCount)
	{
	  ::delete this;
	  return 0;
	}
	return mRefCount;
}

HRESULT __stdcall ClassFactory::CreateInstance(IUnknown *pUnkOuter,REFIID riid,void **ppv)
{
	void *pInstanceItem;

  mWinConsole.writeLine("<ClassFactory::CreateInstance>");
	*ppv=0;
	if(0!=pUnkOuter&&riid!=IID_IUnknown)return ComResult::NoAggregation;
  if(!mpInstantiator)return ComResult::UnExpected;
	mServer.up();
	try{pInstanceItem=mpInstantiator->instantiate(pUnkOuter,riid,ppv);}
	catch(Instantiator::NoInterface){mServer.down();return ComResult::NoInterface;}
	catch(...){mServer.down();return ComResult::UnExpected;}
	return ComResult::NoError;
}

long __stdcall ClassFactory::LockServer(int lock)
{
  mWinConsole.writeLine("<ClassFactory::LockServer>");
  if(lock)mServer.lock();
	else mServer.unlock();
	return ComResult::NoError;
}

void ClassFactory::setInstantiator(Instantiator *pInstantiator)
{
  mpInstantiator=pInstantiator;
}