lyfz_repos/经典版源码/Others/lyfzBackupModle/DelPhotoModel/DelFilesFactory.cpp

#include "stdafx.h"
#include "DelFilesFactory.h"
#include "DelFiles.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


CSC_DelfilesFactory::CSC_DelfilesFactory()
{
	m_dwRefCount = 0;
}

CSC_DelfilesFactory::~CSC_DelfilesFactory()
{

}

STDMETHODIMP CSC_DelfilesFactory::QueryInterface(REFIID refiid, void** ppv)
{
	if (IID_IUnknown == refiid || IID_IClassFactory == refiid)
	{
		*ppv = this;
		((IUnknown*)(*ppv))->AddRef();
		return NOERROR;
	}

	*ppv = NULL;
	return E_NOINTERFACE;
}

STDMETHODIMP_(ULONG) CSC_DelfilesFactory::AddRef(void)
{
	InterlockedIncrement((LPLONG)&m_dwRefCount);
	return m_dwRefCount;
}

STDMETHODIMP_(ULONG) CSC_DelfilesFactory::Release(void)
{
	InterlockedDecrement((LPLONG)&m_dwRefCount);
	if (!m_dwRefCount)
		delete this;
	return 0;
}

STDMETHODIMP CSC_DelfilesFactory::CreateInstance(IUnknown* pUnknown, REFIID refiid, void** ppv)
{
	HRESULT hr = E_FAIL;
	CSC_DelFiles* pCode = NULL;
	*ppv = NULL;

	if (NULL != pUnknown && refiid != IID_IUnknown)
		hr = CLASS_E_NOAGGREGATION;
	else
	{
		hr = E_OUTOFMEMORY;
		pCode = new CSC_DelFiles;
		if (pCode)
		{
			hr = pCode->QueryInterface(refiid, ppv);
			if (FAILED(hr))
			{
				delete pCode;
				pCode = NULL;
			}
		}
	}
	return hr;
}

STDMETHODIMP CSC_DelfilesFactory::LockServer(BOOL)
{
	return 0;
}