viewsrc.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
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 "hxcom.h"
- #include "hxtypes.h"
- #include "hxresult.h"
- #include "hxslist.h"
- #include "chxpckts.h"
- #include "hxstrutl.h"
- #include "hxvsrc.h"
- #include "viewsrc.h"
- HXViewSource::HXViewSource(IUnknown* pContext)
- : m_lRefCount(0)
- , m_pViewSourceHdlr(NULL)
- , m_pViewRightsHdlr(NULL)
- , m_pContext(NULL)
- {
- if (pContext)
- {
- m_pContext = pContext;
- m_pContext->AddRef();
- }
- }
- HXViewSource::~HXViewSource()
- {
- HX_RELEASE(m_pContext);
- HX_RELEASE(m_pViewSourceHdlr);
- HX_RELEASE(m_pViewRightsHdlr);
- }
- STDMETHODIMP
- HXViewSource::QueryInterface(REFIID riid, void**ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXClientViewSource*)this },
- { GET_IIDHANDLE(IID_IHXClientViewSource), (IHXClientViewSource*)this },
- { GET_IIDHANDLE(IID_IHXClientViewRights), (IHXClientViewRights*)this },
- { GET_IIDHANDLE(IID_IHXClientViewSourceSink), (IHXClientViewSourceSink*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32)
- HXViewSource::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32)
- HXViewSource::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- /************************************************************************
- * IHXClientViewSource
- */
- STDMETHODIMP
- HXViewSource::DoViewSource (
- IUnknown* /*IN*/ pPlayerContext,
- IHXStreamSource* /*IN*/ pSource)
- {
- if ( m_pViewSourceHdlr == NULL )
- {
- return HXR_NOT_INITIALIZED;
- }
- return m_pViewSourceHdlr->DoViewSource(pPlayerContext, pSource);
- }
- STDMETHODIMP_(BOOL)
- HXViewSource::CanViewSource(
- IHXStreamSource* /*IN*/ pSource)
- {
- if ( m_pViewSourceHdlr == NULL )
- {
- return FALSE;
- }
- return m_pViewSourceHdlr->CanViewSource(pSource);
- }
- STDMETHODIMP
- HXViewSource::GetViewSourceURL(IUnknown* pPlayerContext,
- IHXStreamSource* pSource,
- IHXViewSourceURLResponse* pResp)
- {
- if ( m_pViewSourceHdlr == NULL )
- {
- return HXR_NOT_INITIALIZED;
- }
- return m_pViewSourceHdlr->GetViewSourceURL(pPlayerContext, pSource, pResp);
- }
- /************************************************************************
- * IHXClientViewRights
- */
- STDMETHODIMP
- HXViewSource::ViewRights(IUnknown* pContext)
- {
- if (m_pViewRightsHdlr == NULL)
- {
- return HXR_NOT_INITIALIZED;
- }
- return m_pViewRightsHdlr->ViewRights(pContext);
- }
- STDMETHODIMP_(BOOL)
- HXViewSource::CanViewRights()
- {
- if (m_pViewRightsHdlr == NULL)
- {
- return FALSE;
- }
- return m_pViewRightsHdlr->CanViewRights();
- }
- /************************************************************************
- * IHXClientViewSourceSink
- */
- STDMETHODIMP
- HXViewSource::RegisterViewSourceHdlr(IHXClientViewSource* pViewSourceHdlr)
- {
- HX_ASSERT(pViewSourceHdlr);
- if ( pViewSourceHdlr )
- {
- HX_RELEASE(m_pViewSourceHdlr);
- m_pViewSourceHdlr = pViewSourceHdlr;
- m_pViewSourceHdlr->AddRef();
- pViewSourceHdlr->QueryInterface(IID_IHXClientViewRights,
- (void**)&m_pViewRightsHdlr);
- }
- return HXR_OK;
- }