smcallbk.cpp
上传用户:zhongxx05
上传日期:2007-06-06
资源大小:33641k
文件大小:7k
- /* ***** 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 ***** */
- // system
- // include
- #include "hxtypes.h"
- #include "hxwintyp.h"
- #include "hxcom.h"
- #include "hxengin.h"
- #include "smiltype.h"
- #include "hxvport.h"
- #include "hxcore.h"
- #include "hxclsnk.h"
- #include "hxgroup.h"
- #include "hxmmrkr.h"
- #include "ihxpckts.h"
- #include "hxsite2.h"
- #include "hxerror.h"
- // pncont
- #include "hxstring.h"
- #include "hxslist.h"
- // rmasmil
- #include "smlelem.h"
- // smlrendr
- #include "evnthook.h"
- #include "siteuser.h"
- #include "passivsw.h"
- #include "layout.h"
- #include "smcallbk.h"
- #include "hxinter.h" // smldoc.h dependency
- #include "smldoc.h"
- // pndebug
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- HandlePendingSchedulingCallback::HandlePendingSchedulingCallback()
- {
- m_lRefCount = 0;
- m_pSmilDocumentRenderer = NULL;
- m_PendingHandle = 0;
- m_bIsCallbackPending = FALSE;
- }
- HandlePendingSchedulingCallback::~HandlePendingSchedulingCallback()
- {
- }
- STDMETHODIMP HandlePendingSchedulingCallback::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (ppvObj)
- {
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = this;
- }
- else if (IsEqualIID(riid, IID_IHXCallback))
- {
- AddRef();
- *ppvObj = (IHXCallback*)this;
- }
- else
- {
- *ppvObj = NULL;
- retVal = HXR_NOINTERFACE;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }
- STDMETHODIMP_(ULONG32) HandlePendingSchedulingCallback::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) HandlePendingSchedulingCallback::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP HandlePendingSchedulingCallback::Func(void)
- {
- HX_RESULT retVal = HXR_OK;
- m_PendingHandle = 0;
- m_bIsCallbackPending = FALSE;
- if (m_pSmilDocumentRenderer)
- {
- m_pSmilDocumentRenderer->handlePendingScheduling();
- }
- return retVal;
- }
- CHyperlinkCallback::CHyperlinkCallback(CSmilDocumentRenderer* pDocRend)
- {
- m_lRefCount = 0;
- m_pDocRend = pDocRend;
- m_bIsCallbackPending = FALSE;
- m_PendingHandle = 0;
- m_pAnchor = NULL;
- m_pExtraAnchorsList = NULL;
- }
- CHyperlinkCallback::~CHyperlinkCallback()
- {
- if (m_pExtraAnchorsList)
- {
- HX_ASSERT(m_pExtraAnchorsList->GetCount() == 0);
- m_pExtraAnchorsList->RemoveAll();
- HX_DELETE(m_pExtraAnchorsList);
- }
- }
- STDMETHODIMP CHyperlinkCallback::QueryInterface(REFIID riid, void** ppvObj)
- {
- HX_RESULT retVal = HXR_OK;
- if (ppvObj)
- {
- if (IsEqualIID(riid, IID_IUnknown))
- {
- AddRef();
- *ppvObj = (IUnknown*) (IHXCallback*) this;
- }
- else if (IsEqualIID(riid, IID_IHXCallback))
- {
- AddRef();
- *ppvObj = (IHXCallback*) this;
- }
- else
- {
- *ppvObj = NULL;
- retVal = HXR_NOINTERFACE;
- }
- }
- else
- {
- retVal = HXR_FAIL;
- }
- return retVal;
- }
- STDMETHODIMP_(ULONG32) CHyperlinkCallback::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- STDMETHODIMP_(ULONG32) CHyperlinkCallback::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- STDMETHODIMP CHyperlinkCallback::Func(void)
- {
- HX_RESULT retVal = HXR_OK;
-
- m_PendingHandle = 0;
- m_bIsCallbackPending = FALSE;
- if (m_pDocRend)
- {
- m_pDocRend->handleHyperlinkTraversal(m_pAnchor, TRUE);
- // /Allow for multiple simultaneous onLoad URLs to be fired after a
- // seek forward, related to fix for PR 67170 and PR 67536:
- // go through list of extra anchors, if any, and hurl them too:
- if (m_pExtraAnchorsList)
- {
- LISTPOSITION lPos = m_pExtraAnchorsList->GetHeadPosition();
- while (lPos)
- {
- LISTPOSITION lPosOfCurTmpVal = lPos;
- // /Gets val at lPos and then moves lPos to next node in list:
- CSmilAAnchorElement* pNextAnchor = (CSmilAAnchorElement*)
- m_pExtraAnchorsList->GetNext(lPos);
- // /Remove it from the list so it won't hurl in next callback:
- m_pExtraAnchorsList->RemoveAt(lPosOfCurTmpVal);
- if (pNextAnchor)
- {
- m_pDocRend->handleHyperlinkTraversal(pNextAnchor, TRUE);
- }
- }
- HX_DELETE(m_pExtraAnchorsList);
- }
- }
- return retVal;
- }
- HX_RESULT
- CHyperlinkCallback::AddAdditionalAnchor(CSmilAAnchorElement* pAnchor)
- {
- HX_RESULT pnrslt = pAnchor? HXR_OK : HXR_INVALID_PARAMETER;
- if (pAnchor)
- {
- if (!m_pExtraAnchorsList)
- {
- m_pExtraAnchorsList = new CHXSimpleList;
- }
- if (m_pExtraAnchorsList)
- {
- m_pExtraAnchorsList->AddTail((void*)pAnchor);
- }
- else
- {
- pnrslt = HXR_OUTOFMEMORY;
- }
- }
- return pnrslt;
- }
- HX_RESULT
- CHyperlinkCallback::ClearExtraAnchorList()
- {
- HX_RESULT hxrslt = HXR_OK;
- if (m_pExtraAnchorsList)
- {
- LISTPOSITION lPos =
- m_pExtraAnchorsList->GetHeadPosition();
- while (lPos)
- {
- LISTPOSITION lPosOfCurTmpVal = lPos;
- CSmilAAnchorElement* pNextAnchor =
- (CSmilAAnchorElement*)m_pExtraAnchorsList->GetNext(lPos);
- // /Remove it from the list so it won't hurl:
- m_pExtraAnchorsList->RemoveAt(lPosOfCurTmpVal);
- }
- HX_DELETE(m_pExtraAnchorsList);
- }
- return hxrslt;
- }