symbsessionmgr.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:4k
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- /****************************************************************************
- * Includes
- */
- #include "symbsessionmgr.h"
- /****************************************************************************
- * CSymbSessionMgr
- */
- /****************************************************************************
- * Constructor/Destructor
- */
- CSymbSessionMgr::CSymbSessionMgr()
- : m_bHaveSession(FALSE)
- , m_lRefCount(0)
- {
- ;
- }
- CSymbSessionMgr::~CSymbSessionMgr(void)
- {
- if (m_bHaveSession)
- {
- m_symbSession.Close();
- m_bHaveSession = FALSE;
- }
- }
- /****************************************************************************
- * IHXSymbFileSessionManager methods
- */
- STDMETHODIMP CSymbSessionMgr::GetSession(REF(RFs) symbSession)
- {
- HX_RESULT retVal = HXR_OK;
- if (m_bHaveSession)
- {
- symbSession = m_symbSession;
- return retVal;
- }
- else
- {
- retVal = HXR_FAIL;
- if (m_symbSession.Connect() == KErrNone)
- {
- retVal = HXR_OK;
- symbSession = m_symbSession;
- m_bHaveSession = TRUE;
- }
- }
- return retVal;
- }
- /****************************************************************************
- * CSymbSessionMgr methods
- */
- HX_RESULT CSymbSessionMgr::Create(IHXSymbFileSessionManager* &pManagerOut,
- IUnknown** ppCommonObj)
- {
- IHXSymbFileSessionManager* pSessionManager = NULL;
- HX_RESULT retVal = HXR_FAIL;
- if (ppCommonObj && (*ppCommonObj))
- {
- (*ppCommonObj)->QueryInterface(IID_IHXSymbFileSessionManager,
- (void**) &pSessionManager);
- }
- if (!pSessionManager)
- {
- pSessionManager = new CSymbSessionMgr;
- if (pSessionManager)
- {
- pSessionManager->AddRef();
- }
- }
- if (pSessionManager)
- {
- pManagerOut = pSessionManager;
- pSessionManager->AddRef();
- retVal = HXR_OK;
- if (ppCommonObj && ((*ppCommonObj) == NULL))
- {
- *ppCommonObj = pSessionManager;
- pSessionManager->AddRef();
- }
- }
- HX_RELEASE(pSessionManager);
- return retVal;
- }
- /************************************************************************
- * IUnknown methods
- */
- STDMETHODIMP CSymbSessionMgr::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*) this },
- { GET_IIDHANDLE(IID_IHXSymbFileSessionManager), (IHXSymbFileSessionManager*) this },
- };
- return QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- STDMETHODIMP_(ULONG32) CSymbSessionMgr::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) CSymbSessionMgr::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }