mirror of https://github.com/nextcloud/desktop
104 lines
2.1 KiB
C++
104 lines
2.1 KiB
C++
/**
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* Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 2.1 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*/
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#include "OCOverlayFactory.h"
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#include "OCOverlay.h"
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extern long dllReferenceCount;
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OCOverlayFactory::OCOverlayFactory(wchar_t* path)
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: _referenceCount(1)
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{
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InterlockedIncrement(&dllReferenceCount);
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}
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OCOverlayFactory::~OCOverlayFactory()
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{
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InterlockedDecrement(&dllReferenceCount);
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}
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IFACEMETHODIMP OCOverlayFactory::QueryInterface(REFIID riid, void **ppv)
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{
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HRESULT hResult = S_OK;
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if (IsEqualIID(IID_IUnknown, riid) ||
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IsEqualIID(IID_IClassFactory, riid))
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{
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*ppv = static_cast<IUnknown *>(this);
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AddRef();
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}
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else
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{
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hResult = E_NOINTERFACE;
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*ppv = NULL;
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}
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return hResult;
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}
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IFACEMETHODIMP_(ULONG) OCOverlayFactory::AddRef()
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{
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return InterlockedIncrement(&_referenceCount);
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}
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IFACEMETHODIMP_(ULONG) OCOverlayFactory::Release()
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{
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ULONG cRef = InterlockedDecrement(&_referenceCount);
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if (0 == cRef)
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{
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delete this;
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}
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return cRef;
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}
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IFACEMETHODIMP OCOverlayFactory::CreateInstance(
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IUnknown *pUnkOuter, REFIID riid, void **ppv)
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{
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HRESULT hResult = CLASS_E_NOAGGREGATION;
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if (pUnkOuter != NULL)
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{
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return hResult;
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}
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hResult = E_OUTOFMEMORY;
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OCOverlay *lrOverlay =
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new (std::nothrow) OCOverlay();
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if (!lrOverlay)
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{
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return hResult;
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}
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hResult = lrOverlay->QueryInterface(riid, ppv);
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lrOverlay->Release();
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return hResult;
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}
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IFACEMETHODIMP OCOverlayFactory::LockServer(BOOL fLock)
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{
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if (fLock)
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{
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InterlockedIncrement(&dllReferenceCount);
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}
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else
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{
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InterlockedDecrement(&dllReferenceCount);
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}
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return S_OK;
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} |