multimediacommsengine/mmceshared/src/mcecomserializationcontext.cpp
author hgs
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/*
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* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    
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*
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*/
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#include "mcecomserializationcontext.h"
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#include "mcecommediasink.h"
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#include "mcecommediasource.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::MMceComSerializationContext
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// -----------------------------------------------------------------------------
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//
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MMceComSerializationContext::MMceComSerializationContext( RReadStream& aReadStream )
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    : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
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      iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
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      iReadStream( &aReadStream ),
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      iWriteStream( NULL )
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    {
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::MMceComSerializationContext
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// -----------------------------------------------------------------------------
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//
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MMceComSerializationContext::MMceComSerializationContext( RWriteStream& aWriteStream )
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    : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
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      iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
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      iReadStream( NULL ),
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      iWriteStream( &aWriteStream )
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    {
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::Close
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// -----------------------------------------------------------------------------
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//
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void MMceComSerializationContext::Close()
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    {
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    iSinkCache.Reset();
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    iSourceCache.Reset();
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    iSinkCache.Close();
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    iSourceCache.Close();
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::IsCached
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// -----------------------------------------------------------------------------
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//
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TBool MMceComSerializationContext::IsCached( CBase* aItem )
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    {
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    TBool found = EFalse;
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    TInt index = 0;
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    while( !found && index < iSinkCache.Count() )
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        {
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        found = iSinkCache[ index++ ] == aItem;
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        }
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    index = 0;        
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    while( !found && index < iSourceCache.Count() )
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        {
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        found = iSourceCache[ index++ ] == aItem;
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        }
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    return found;
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::ReadStream
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// -----------------------------------------------------------------------------
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//
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RReadStream& MMceComSerializationContext::ReadStream()
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    {
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    return *iReadStream;
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::WriteStream
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// -----------------------------------------------------------------------------
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//
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RWriteStream& MMceComSerializationContext::WriteStream()
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    {
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    return *iWriteStream;
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::SinkCache
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// -----------------------------------------------------------------------------
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//
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RPointerArray<CBase>& MMceComSerializationContext::SinkCache()
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    {
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    return iSinkCache;
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    }
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// -----------------------------------------------------------------------------
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// MMceComSerializationContext::SourceCache
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// -----------------------------------------------------------------------------
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//
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RPointerArray<CBase>& MMceComSerializationContext::SourceCache()
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    {
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    return iSourceCache;
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    }
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