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89 lines
2.2 KiB
C++
89 lines
2.2 KiB
C++
/**
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* Copyright (c) 2015 Daniel Molkentin <danimo@owncloud.com>. 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 "NCContextMenuFactory.h"
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#include "NCContextMenu.h"
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#include <new>
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#include <Shlwapi.h>
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#pragma comment(lib, "shlwapi.lib")
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extern long g_cDllRef;
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NCContextMenuFactory::NCContextMenuFactory() : m_cRef(1)
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{
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InterlockedIncrement(&g_cDllRef);
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}
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NCContextMenuFactory::~NCContextMenuFactory()
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{
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InterlockedDecrement(&g_cDllRef);
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}
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// IUnknown methods
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IFACEMETHODIMP NCContextMenuFactory::QueryInterface(REFIID riid, void **ppv)
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{
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static const QITAB qit[] = { QITABENT(NCContextMenuFactory, IClassFactory), { nullptr }, };
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return QISearch(this, qit, riid, ppv);
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}
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IFACEMETHODIMP_(ULONG) NCContextMenuFactory::AddRef()
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{
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return InterlockedIncrement(&m_cRef);
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}
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IFACEMETHODIMP_(ULONG) NCContextMenuFactory::Release()
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{
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ULONG 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 cRef;
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}
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// IClassFactory methods
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IFACEMETHODIMP NCContextMenuFactory::CreateInstance(IUnknown *pUnkOuter, REFIID riid, void **ppv)
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{
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HRESULT hr = CLASS_E_NOAGGREGATION;
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// pUnkOuter is used for aggregation. We do not support it in the sample.
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if (!pUnkOuter) {
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hr = E_OUTOFMEMORY;
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// Create the COM component.
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auto pExt = new (std::nothrow) NCContextMenu();
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if (pExt) {
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// Query the specified interface.
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hr = pExt->QueryInterface(riid, ppv);
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pExt->Release();
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}
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}
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return hr;
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}
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IFACEMETHODIMP NCContextMenuFactory::LockServer(BOOL fLock)
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{
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if (fLock) {
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InterlockedIncrement(&g_cDllRef);
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} else {
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InterlockedDecrement(&g_cDllRef);
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}
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return S_OK;
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}
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