e5aeb2d7c2
* [ Tools ]: Update SPDX License Identifiers * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
111 lines
3.1 KiB
C++
111 lines
3.1 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-or-later
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/***************************************************************************
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* Copyright (c) 2011 Werner Mayer <wmayer@users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#define INITGUID
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#include "ClassFactory.h"
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#include "Common.h"
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STDAPI CThumbnailProvider_CreateInstance(REFIID riid, void** ppvObject);
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CClassFactory::CClassFactory()
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{
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m_cRef = 1;
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DllAddRef();
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}
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CClassFactory::~CClassFactory()
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{
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DllRelease();
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}
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STDMETHODIMP CClassFactory::QueryInterface(REFIID riid, void** ppvObject)
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{
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static const QITAB qit[] = {
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QITABENT(CClassFactory, IClassFactory),
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{0},
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};
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return QISearch(this, qit, riid, ppvObject);
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}
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STDMETHODIMP_(ULONG) CClassFactory::AddRef()
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{
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LONG cRef = InterlockedIncrement(&m_cRef);
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return (ULONG)cRef;
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}
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STDMETHODIMP_(ULONG) CClassFactory::Release()
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{
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LONG cRef = InterlockedDecrement(&m_cRef);
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if (0 == cRef) {
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delete this;
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}
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return (ULONG)cRef;
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}
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STDMETHODIMP CClassFactory::CreateInstance(IUnknown* punkOuter, REFIID riid, void** ppvObject)
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{
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if (NULL != punkOuter) {
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return CLASS_E_NOAGGREGATION;
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}
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return CThumbnailProvider_CreateInstance(riid, ppvObject);
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}
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STDMETHODIMP CClassFactory::LockServer(BOOL fLock)
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{
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return E_NOTIMPL;
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}
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STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void** ppv)
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{
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if (NULL == ppv) {
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return E_INVALIDARG;
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}
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if (!IsEqualCLSID(CLSID_SampleThumbnailProvider, rclsid)) {
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return CLASS_E_CLASSNOTAVAILABLE;
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}
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CClassFactory* pcf;
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HRESULT hr;
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pcf = new CClassFactory();
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if (NULL == pcf) {
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return E_OUTOFMEMORY;
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}
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hr = pcf->QueryInterface(riid, ppv);
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pcf->Release();
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return hr;
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}
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