passivsw.cpp
上传用户:zhongxx05
上传日期:2007-06-06
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文件大小:5k
- /* ***** 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 ***** */
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxwin.h"
- #include "hxsite2.h"
- // smlrendr
- #include "passivsw.h"
- // pndebug
- #include "hxassert.h"
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- CSmilPassiveSiteWatcher::CSmilPassiveSiteWatcher(CSmilPassiveSiteWatcherResponse* pResponse,
- IHXSite* pSite)
- {
- m_lRefCount = 0;
- m_pResponse = pResponse;
- m_pSite = pSite;
- if (m_pResponse)
- {
- m_pResponse->AddRef();
- }
- if (m_pSite)
- {
- m_pSite->AddRef();
- // Add ourselves as a passive site watcher
- IHXPassiveSiteWatcher* pWatcher = NULL;
- QueryInterface(IID_IHXPassiveSiteWatcher, (void**) &pWatcher);
- if (pWatcher)
- {
- IHXSite2* pSite2 = NULL;
- m_pSite->QueryInterface(IID_IHXSite2, (void**) &pSite2);
- if (pSite2)
- {
- pSite2->AddPassiveSiteWatcher(pWatcher);
- }
- HX_RELEASE(pSite2);
- }
- HX_RELEASE(pWatcher);
- }
- }
- CSmilPassiveSiteWatcher::~CSmilPassiveSiteWatcher()
- {
- Close();
- }
- STDMETHODIMP CSmilPassiveSiteWatcher::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (ppvObj)
- {
- if(IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*) (IHXPassiveSiteWatcher*) this;
- }
- else if(IsEqualIID(riid, IID_IHXPassiveSiteWatcher))
- {
- AddRef();
- *ppvObj = (IHXPassiveSiteWatcher*) this;
- }
- else
- {
- *ppvObj = NULL;
- retVal = HXR_NOINTERFACE;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }
- STDMETHODIMP_(ULONG32) CSmilPassiveSiteWatcher::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) CSmilPassiveSiteWatcher::Release()
- {
- if(InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP CSmilPassiveSiteWatcher::PositionChanged(HXxPoint* pPoint)
- {
- HX_RESULT retVal = HXR_OK;
- if (m_pResponse)
- {
- retVal = m_pResponse->SitePositionChanged(m_pSite, pPoint);
- }
- return retVal;
- }
- STDMETHODIMP CSmilPassiveSiteWatcher::SizeChanged(HXxSize* pSize)
- {
- HX_RESULT retVal = HXR_OK;
- if (m_pResponse)
- {
- retVal = m_pResponse->SiteSizeChanged(m_pSite, pSize);
- }
- return retVal;
- }
- STDMETHODIMP CSmilPassiveSiteWatcher::Close()
- {
- HX_RESULT retVal = HXR_OK;
- if (m_pSite)
- {
- // Release ourselves as a passive site watcher
- IHXPassiveSiteWatcher* pWatcher = NULL;
- QueryInterface(IID_IHXPassiveSiteWatcher, (void**) &pWatcher);
- if (pWatcher)
- {
- IHXSite2* pSite2 = NULL;
- m_pSite->QueryInterface(IID_IHXSite2, (void**) &pSite2);
- if (pSite2)
- {
- pSite2->RemovePassiveSiteWatcher(pWatcher);
- }
- HX_RELEASE(pSite2);
- }
- HX_RELEASE(pWatcher);
- }
- HX_RELEASE(m_pSite);
- if (m_pResponse)
- {
- m_pResponse->Release();
- m_pResponse = NULL;
- }
- return retVal;
- }