multimediacommsengine/mmceshared/src/mcecomserializationcontext.cpp
changeset 0 1bce908db942
equal deleted inserted replaced
-1:000000000000 0:1bce908db942
       
     1 /*
       
     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:    
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 
       
    21 #include "mcecomserializationcontext.h"
       
    22 #include "mcecommediasink.h"
       
    23 #include "mcecommediasource.h"
       
    24 
       
    25 
       
    26 // ============================ MEMBER FUNCTIONS ===============================
       
    27 
       
    28 
       
    29 // -----------------------------------------------------------------------------
       
    30 // MMceComSerializationContext::MMceComSerializationContext
       
    31 // -----------------------------------------------------------------------------
       
    32 //
       
    33 MMceComSerializationContext::MMceComSerializationContext( RReadStream& aReadStream )
       
    34     : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
       
    35       iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
       
    36       iReadStream( &aReadStream ),
       
    37       iWriteStream( NULL )
       
    38     {
       
    39     }
       
    40 
       
    41 // -----------------------------------------------------------------------------
       
    42 // MMceComSerializationContext::MMceComSerializationContext
       
    43 // -----------------------------------------------------------------------------
       
    44 //
       
    45 MMceComSerializationContext::MMceComSerializationContext( RWriteStream& aWriteStream )
       
    46     : iSinkCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
       
    47       iSourceCache( RPointerArray<CBase>( KMceArrayGranularity ) ),
       
    48       iReadStream( NULL ),
       
    49       iWriteStream( &aWriteStream )
       
    50     {
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // MMceComSerializationContext::Close
       
    55 // -----------------------------------------------------------------------------
       
    56 //
       
    57 void MMceComSerializationContext::Close()
       
    58     {
       
    59     iSinkCache.Reset();
       
    60     iSourceCache.Reset();
       
    61     iSinkCache.Close();
       
    62     iSourceCache.Close();
       
    63     }
       
    64     
       
    65 // -----------------------------------------------------------------------------
       
    66 // MMceComSerializationContext::IsCached
       
    67 // -----------------------------------------------------------------------------
       
    68 //
       
    69 TBool MMceComSerializationContext::IsCached( CBase* aItem )
       
    70     {
       
    71     TBool found = EFalse;
       
    72     TInt index = 0;
       
    73     
       
    74     while( !found && index < iSinkCache.Count() )
       
    75         {
       
    76         found = iSinkCache[ index++ ] == aItem;
       
    77         }
       
    78 
       
    79     index = 0;        
       
    80     while( !found && index < iSourceCache.Count() )
       
    81         {
       
    82         found = iSourceCache[ index++ ] == aItem;
       
    83         }
       
    84     
       
    85     return found;
       
    86     
       
    87     }
       
    88     
       
    89 // -----------------------------------------------------------------------------
       
    90 // MMceComSerializationContext::ReadStream
       
    91 // -----------------------------------------------------------------------------
       
    92 //
       
    93 RReadStream& MMceComSerializationContext::ReadStream()
       
    94     {
       
    95     return *iReadStream;
       
    96     }
       
    97 
       
    98 // -----------------------------------------------------------------------------
       
    99 // MMceComSerializationContext::WriteStream
       
   100 // -----------------------------------------------------------------------------
       
   101 //
       
   102 RWriteStream& MMceComSerializationContext::WriteStream()
       
   103     {
       
   104     return *iWriteStream;
       
   105     }
       
   106 
       
   107 
       
   108 // -----------------------------------------------------------------------------
       
   109 // MMceComSerializationContext::SinkCache
       
   110 // -----------------------------------------------------------------------------
       
   111 //
       
   112 RPointerArray<CBase>& MMceComSerializationContext::SinkCache()
       
   113     {
       
   114     return iSinkCache;
       
   115     }
       
   116 
       
   117 // -----------------------------------------------------------------------------
       
   118 // MMceComSerializationContext::SourceCache
       
   119 // -----------------------------------------------------------------------------
       
   120 //
       
   121 RPointerArray<CBase>& MMceComSerializationContext::SourceCache()
       
   122     {
       
   123     return iSourceCache;
       
   124     }
       
   125