6ab9136e04
2008/05/07 09:56:14 vg 1.3.6.1: #i88772# MinGW fixes for DEV300
225 lines
6.6 KiB
C++
225 lines
6.6 KiB
C++
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2008 by Sun Microsystems, Inc.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: comptr.hxx,v $
|
|
* $Revision: 1.4 $
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
#ifndef COMPTR_HXX
|
|
#define COMPTR_HXX
|
|
|
|
#include <sal/types.h>
|
|
#include <osl/diagnose.h>
|
|
#include <shobjidl.h>
|
|
|
|
template< class T_INTERFACE ,
|
|
REFIID P_IID = IID_NULL ,
|
|
REFCLSID P_CLSID = CLSID_NULL >
|
|
class ComPtr
|
|
{
|
|
public:
|
|
|
|
//---------------------------------------------------------------------
|
|
/** initialize com ptr with null.
|
|
*/
|
|
ComPtr()
|
|
{
|
|
m_pInterface = NULL;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
/** initialize com ptr with given interface.
|
|
*/
|
|
ComPtr(T_INTERFACE* pInterface)
|
|
{
|
|
m_pInterface = pInterface;
|
|
if (m_pInterface)
|
|
m_pInterface->AddRef();
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
/** copy ctor.
|
|
*/
|
|
ComPtr(const ComPtr< T_INTERFACE, P_IID, P_CLSID >& aCopy)
|
|
{
|
|
m_pInterface = aCopy.m_pInterface;
|
|
if (m_pInterface)
|
|
m_pInterface->AddRef();
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
/** initialize object by quering external object for the right interface.
|
|
*/
|
|
ComPtr(IUnknown* pIUnknown)
|
|
{
|
|
if (pIUnknown)
|
|
pIUnknown->QueryInterface(P_IID, (void**)&m_pInterface);
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
/** deinitialize com object right.
|
|
*/
|
|
~ComPtr()
|
|
{
|
|
release();
|
|
}
|
|
|
|
public:
|
|
|
|
//---------------------------------------------------------------------
|
|
HRESULT create()
|
|
{
|
|
return CoCreateInstance(P_CLSID, NULL, CLSCTX_ALL, P_IID, (void**)&m_pInterface);
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
operator T_INTERFACE*() const
|
|
{
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE& operator*() const
|
|
{
|
|
return *m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE** operator&()
|
|
{
|
|
return &m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* operator->() const
|
|
{
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* operator=(T_INTERFACE* pInterface)
|
|
{
|
|
if ( equals(pInterface) )
|
|
return m_pInterface;
|
|
|
|
m_pInterface->Release();
|
|
m_pInterface = pInterface;
|
|
if (m_pInterface)
|
|
m_pInterface->AddRef();
|
|
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* operator=(IUnknown* pIUnknown)
|
|
{
|
|
if (pIUnknown)
|
|
pIUnknown->QueryInterface(P_IID, (void**)&m_pInterface);
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* operator=(const ComPtr< T_INTERFACE, P_IID, P_CLSID >& aCopy)
|
|
{
|
|
m_pInterface = aCopy.m_pInterface;
|
|
if (m_pInterface)
|
|
m_pInterface->AddRef();
|
|
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* get() const
|
|
{
|
|
return m_pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void attach(T_INTERFACE* pInterface)
|
|
{
|
|
if (pInterface)
|
|
{
|
|
m_pInterface->Release();
|
|
m_pInterface = pInterface;
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
T_INTERFACE* detach()
|
|
{
|
|
T_INTERFACE* pInterface = m_pInterface;
|
|
m_pInterface = NULL;
|
|
return pInterface;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
void release()
|
|
{
|
|
if (m_pInterface)
|
|
{
|
|
m_pInterface->Release();
|
|
m_pInterface = NULL;
|
|
}
|
|
}
|
|
|
|
#ifndef __MINGW32__
|
|
//---------------------------------------------------------------------
|
|
template< class T_QUERYINTERFACE >
|
|
HRESULT query(T_QUERYINTERFACE** pQuery)
|
|
{
|
|
return m_pInterface->QueryInterface(__uuidof(T_QUERYINTERFACE), (void**)pQuery);
|
|
}
|
|
#endif
|
|
|
|
//---------------------------------------------------------------------
|
|
::sal_Bool equals(IUnknown* pCheck)
|
|
{
|
|
if (
|
|
( ! m_pInterface ) &&
|
|
( ! pCheck )
|
|
)
|
|
return sal_True;
|
|
|
|
IUnknown* pCurrent = NULL;
|
|
m_pInterface->QueryInterface(IID_IUnknown, (void**)&pCurrent);
|
|
|
|
::sal_Bool bEquals = (pCheck == pCurrent);
|
|
pCurrent->Release();
|
|
|
|
return bEquals;
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
::sal_Bool is()
|
|
{
|
|
return (m_pInterface != 0);
|
|
}
|
|
|
|
private:
|
|
T_INTERFACE* m_pInterface;
|
|
};
|
|
|
|
#endif
|