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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#undef UNICODE
#undef _UNICODE

#include "msgMapiFactory.h"
#include "msgMapiImp.h"
#include "msgMapi.h"

CMapiFactory ::CMapiFactory() : m_cRef(1) {}

CMapiFactory::~CMapiFactory() {}

STDMETHODIMP CMapiFactory::QueryInterface(const IID& aIid, void** aPpv) {
  if ((aIid == IID_IUnknown) || (aIid == IID_IClassFactory)) {
    *aPpv = static_cast<IClassFactory*>(this);
  } else {
    *aPpv = nullptr;
    return E_NOINTERFACE;
  }
  reinterpret_cast<IUnknown*>(*aPpv)->AddRef();
  return S_OK;
}

STDMETHODIMP_(ULONG) CMapiFactory::AddRef() { return ++m_cRef; }

STDMETHODIMP_(ULONG) CMapiFactory::Release() {
  int32_t temp = --m_cRef;
  if (m_cRef == 0) {
    delete this;
    return 0;
  }

  return temp;
}

STDMETHODIMP CMapiFactory::CreateInstance(IUnknown* aUnknownOuter,
                                          const IID& aIid, void** aPpv) {
  // Cannot aggregate.

  if (aUnknownOuter != nullptr) {
    return CLASS_E_NOAGGREGATION;
  }

  // Create component.

  CMapiImp* pImp = new CMapiImp();
  if (pImp == nullptr) {
    return E_OUTOFMEMORY;
  }

  // Get the requested interface.
  HRESULT hr = pImp->QueryInterface(aIid, aPpv);

  // Release the IUnknown pointer.
  // (If QueryInterface failed, component will delete itself.)

  pImp->Release();
  return hr;
}

STDMETHODIMP CMapiFactory::LockServer(BOOL aLock) { return S_OK; }