perscmgr.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: perscmgr.cpp,v 1.9.8.2 2004/07/13 21:14:15 ehodge Exp $
 * 
 * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
 * http://www.helixcommunity.org/content/rpsl unless you have licensed
 * the file under the current version of the RealNetworks Community
 * Source License (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.
 * 
 * Alternatively, the contents of this file may be used under the
 * terms of the GNU General Public License Version 2 or later (the
 * "GPL") in which case the provisions of the GPL are applicable
 * instead of those above. If you wish to allow use of your version of
 * this file only under the terms of the GPL, and not to allow others
 * to use your version of this file under the terms of either the RPSL
 * or RCSL, indicate your decision by deleting the provisions above
 * and replace them with the notice and other provisions required by
 * the GPL. If you do not delete the provisions above, a recipient may
 * use your version of this file under the terms of any one of the
 * RPSL, the RCSL or the GPL.
 * 
 * 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 "hxresult.h"
#include "hxstrutl.h"
#include "hxstring.h"
#include "hxmap.h"
#include "smiltype.h"
#include "hxausvc.h"
#include "hxengin.h"
#include "hxcore.h"
#include "hxgroup.h"
#include "basgroup.h"
#include "advgroup.h"
#include "hxplay.h"
#include "hxbsrc.h"
#include "hxsrc.h"
#include "hxplugn.h"
#include "hxrendr.h"
#include "srcinfo.h"
#include "sitemgr.h"
#include "perscmgr.h"

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;
#endif

HXPersistentComponent::HXPersistentComponent(HXPersistentComponentManager* pManager)
    : m_lRefCount(0)
    , m_bInitialized(FALSE)
    , m_bToBeClosed(FALSE)
    , m_bCleanupLayoutCalled(FALSE)
    , m_uGroups(0)
    , m_uTracks(0)
    , m_ulComponentID(0)
    , m_pSourceInfo(NULL)
    , m_pPersistentRenderer(NULL)
    , m_pRendererAdviseSink(NULL)
    , m_pGroupSink(NULL)
    , m_pComponentManager(NULL)
    , m_pPersistentParent(NULL)
    , m_pPersistentChildList(NULL)
    , m_pProperties(NULL)
    , m_ulPersistentType(0)
{
    m_pComponentManager = pManager;    
    HX_ADDREF(m_pComponentManager);
}

HXPersistentComponent::~HXPersistentComponent(void)
{
    Remove();

    HX_DELETE(m_pPersistentChildList);
    HX_RELEASE(m_pPersistentParent);
    HX_RELEASE(m_pComponentManager);
}

/*
 *  IUnknown methods
 */
STDMETHODIMP HXPersistentComponent::QueryInterface(REFIID riid, void** ppvObj)
{
    QInterfaceList qiList[] =
        {
            { GET_IIDHANDLE(IID_IHXPersistentComponent), (IHXPersistentComponent*)this },
            { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXPersistentComponent*)this },
        };
    
    return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
}

STDMETHODIMP_(ULONG32) HXPersistentComponent::AddRef()
{
    return InterlockedIncrement(&m_lRefCount);
}

STDMETHODIMP_(ULONG32) HXPersistentComponent::Release()
{
    if (InterlockedDecrement(&m_lRefCount) > 0)
    {
        return m_lRefCount;
    }

    delete this;
    return 0;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::Init
 *	Purpose:
 *	    initialize persistent component
 */
STDMETHODIMP
HXPersistentComponent::Init(IHXPersistentRenderer* pPersistentRenderer)
{
    m_bInitialized = TRUE;

    m_pPersistentRenderer = pPersistentRenderer;
    HX_ADDREF(m_pPersistentRenderer);

    return HXR_OK;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::AddRendererAdviseSink
 *	Purpose:
 *	    add renderer advise sink
 */
STDMETHODIMP
HXPersistentComponent::AddRendererAdviseSink(IHXRendererAdviseSink* pSink)
{
    m_pRendererAdviseSink = pSink;
    HX_ADDREF(m_pRendererAdviseSink);

    return HXR_OK;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::RemoveRendererAdviseSink
 *	Purpose:
 *	    remove renderer advise sink
 */
STDMETHODIMP
HXPersistentComponent::RemoveRendererAdviseSink(IHXRendererAdviseSink* pSink)
{    
    HX_RELEASE(m_pRendererAdviseSink);

    return HXR_OK;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::AddGroupSink
 *	Purpose:
 *	    add renderer advise sink
 */
STDMETHODIMP
HXPersistentComponent::AddGroupSink(IHXGroupSink* pSink)
{
    m_pGroupSink = pSink;
    HX_ADDREF(m_pGroupSink);

    return HXR_OK;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::RemoveGroupSink
 *	Purpose:
 *	    remove renderer advise sink
 */
STDMETHODIMP
HXPersistentComponent::RemoveGroupSink(IHXGroupSink* pSink)
{
    HX_RELEASE(m_pGroupSink);

    return HXR_OK;
}

/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::GetPersistentRenderer
 *	Purpose:
 *	    get persistent renderer
 */
STDMETHODIMP
HXPersistentComponent::GetPersistentRenderer(REF(IHXPersistentRenderer*) pPersistentRenderer)
{
    HX_RESULT	rc = HXR_OK;

    pPersistentRenderer = m_pPersistentRenderer;
    HX_ADDREF(pPersistentRenderer);

    return rc;
}
    
/************************************************************************
 *	Method:
 *	    IHXPersistentComponent::GetPersistentProperties
 *	Purpose:
 *	    get persistent component properties
 */
STDMETHODIMP
HXPersistentComponent::GetPersistentProperties(REF(IHXValues*) pProperties)
{
    pProperties = m_pProperties;
    if (pProperties)
    {
	pProperties->AddRef();
	return HXR_OK;
    }

    return HXR_FAILED;
}

HX_RESULT	
HXPersistentComponent::GetPersistentComponent(UINT32				ulComponentID, 
					       REF(IHXPersistentComponent*)	pComponent)
{
    HX_RESULT		    rc = HXR_FAILED;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    pComponent = NULL;

    if (m_ulComponentID == ulComponentID)
    {
	QueryInterface(IID_IHXPersistentComponent, (void**)&pComponent);
	rc = HXR_OK;
    }
    else if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    rc = pHXPersistentComponent->GetPersistentComponent(ulComponentID, pComponent);

	    if (HXR_OK == rc && pComponent)
	    {
		break;
	    }
	}
    }

    return rc;
}

HX_RESULT
HXPersistentComponent::CurrentGroupSet(UINT16 uGroupIndex, IHXGroup* pGroup)
{
    HX_RESULT		    rc = HXR_OK;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    rc = pHXPersistentComponent->CurrentGroupSet(uGroupIndex, pGroup);
	}
    }

    m_pSourceInfo->Reset();	

    if (m_pGroupSink)
    {
	rc = m_pGroupSink->CurrentGroupSet(uGroupIndex, pGroup);
    }

    return rc;
}

HX_RESULT	
HXPersistentComponent::OnTimeSync(UINT32 ulCurrentTime)
{
    HX_RESULT		    rc = HXR_OK;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    rc = pHXPersistentComponent->OnTimeSync(ulCurrentTime);
	}
    }

    if (m_pSourceInfo)
    {
	m_pSourceInfo->OnTimeSync(ulCurrentTime);
    }

   return rc;
}

UINT32
HXPersistentComponent::GetPersistentComponentCount()
{
    UINT32 ulTotalCount = 0;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    ulTotalCount += pHXPersistentComponent->GetPersistentComponentCount();
	}
    }

    return (ulTotalCount + 1);
}

void	
HXPersistentComponent::TrackUpdated(UINT16 uGroupIndex, 
				     UINT16 uTrackIndex, 
				     IHXValues* pValues)
{
    HX_RESULT		    rc = HXR_OK;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    pHXPersistentComponent->TrackUpdated(uGroupIndex, uTrackIndex, pValues);
	}
    }

    if (m_pRendererAdviseSink)
    {
	m_pRendererAdviseSink->TrackUpdated(uGroupIndex, uTrackIndex, pValues);
    }

    return;
}

void	
HXPersistentComponent::AllRenderersClosed(void)
{
    HX_RESULT		    rc = HXR_OK;
    HXPersistentComponent* pHXPersistentComponent = NULL;
    CHXSimpleList::Iterator i;

    if (m_pPersistentChildList)
    {
	for(i = m_pPersistentChildList->Begin();i != m_pPersistentChildList->End();++i)
	{
	    pHXPersistentComponent = (HXPersistentComponent*)(*i);
	    pHXPersistentComponent->AllRenderersClosed();
	}
    }

    if (m_pSourceInfo)