137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* 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/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#include <global.hxx>
|
|
#include "classfactory.hxx"
|
|
#include <infotips.hxx>
|
|
#include <propsheets.hxx>
|
|
#include <columninfo.hxx>
|
|
#include <thumbviewer.hxx>
|
|
#include <shlxthdl.hxx>
|
|
|
|
|
|
LONG CClassFactory::s_ServerLocks = 0;
|
|
|
|
|
|
CClassFactory::CClassFactory(const CLSID& clsid) :
|
|
m_RefCnt(1),
|
|
m_Clsid(clsid)
|
|
{
|
|
InterlockedIncrement(&g_DllRefCnt);
|
|
}
|
|
|
|
|
|
CClassFactory::~CClassFactory()
|
|
{
|
|
InterlockedDecrement(&g_DllRefCnt);
|
|
}
|
|
|
|
|
|
// IUnknown methods
|
|
|
|
|
|
HRESULT STDMETHODCALLTYPE CClassFactory::QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject)
|
|
{
|
|
*ppvObject = nullptr;
|
|
|
|
if (IID_IUnknown == riid || IID_IClassFactory == riid)
|
|
{
|
|
IUnknown* pUnk = this;
|
|
pUnk->AddRef();
|
|
*ppvObject = pUnk;
|
|
return S_OK;
|
|
}
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
|
|
ULONG STDMETHODCALLTYPE CClassFactory::AddRef()
|
|
{
|
|
return InterlockedIncrement(&m_RefCnt);
|
|
}
|
|
|
|
|
|
ULONG STDMETHODCALLTYPE CClassFactory::Release()
|
|
{
|
|
LONG refcnt = InterlockedDecrement(&m_RefCnt);
|
|
|
|
if (0 == refcnt)
|
|
delete this;
|
|
|
|
return refcnt;
|
|
}
|
|
|
|
|
|
// IClassFactory methods
|
|
|
|
|
|
HRESULT STDMETHODCALLTYPE CClassFactory::CreateInstance(
|
|
IUnknown __RPC_FAR *pUnkOuter,
|
|
REFIID riid,
|
|
void __RPC_FAR *__RPC_FAR *ppvObject)
|
|
{
|
|
if (pUnkOuter != nullptr)
|
|
return CLASS_E_NOAGGREGATION;
|
|
|
|
IUnknown* pUnk = nullptr;
|
|
|
|
if (CLSID_PROPERTYSHEET_HANDLER == m_Clsid)
|
|
pUnk = static_cast<IShellExtInit*>(new CPropertySheet());
|
|
|
|
else if (CLSID_INFOTIP_HANDLER == m_Clsid)
|
|
pUnk = static_cast<IQueryInfo*>(new CInfoTip());
|
|
|
|
else if (CLSID_COLUMN_HANDLER == m_Clsid)
|
|
pUnk = new CColumnInfo();
|
|
|
|
else if (CLSID_THUMBVIEWER_HANDLER == m_Clsid)
|
|
pUnk = static_cast<IExtractImage*>(new CThumbviewer());
|
|
|
|
if (nullptr == pUnk)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
|
|
HRESULT hr = pUnk->QueryInterface(riid, ppvObject);
|
|
|
|
// if QueryInterface failed the component will destroy itself
|
|
pUnk->Release();
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT STDMETHODCALLTYPE CClassFactory::LockServer(BOOL fLock)
|
|
{
|
|
if (fLock)
|
|
InterlockedIncrement(&s_ServerLocks);
|
|
else
|
|
InterlockedDecrement(&s_ServerLocks);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
|
|
bool CClassFactory::IsLocked()
|
|
{
|
|
return (s_ServerLocks > 0);
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|