mmfenh/enhancedaudioplayerutility/AudioStreaming/AudioStreamingSource/src/DataBufferQueueItem.cpp
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     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:  This file contains the implementation of Data Buffer Queue Item.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 
       
    21 #include "DataBufferQueueItem.h"
       
    22 
       
    23 
       
    24 // ============================ MEMBER FUNCTIONS ===============================
       
    25 
       
    26 // -----------------------------------------------------------------------------
       
    27 // CDataBufferQueueItem::CDataBufferQueueItem
       
    28 // C++ default constructor can NOT contain any code, that
       
    29 // might leave.
       
    30 // -----------------------------------------------------------------------------
       
    31 //
       
    32 CDataBufferQueueItem::CDataBufferQueueItem()
       
    33 	:	iBuffer(NULL),
       
    34 		iMessage(NULL)
       
    35 	{
       
    36 		iMessageStatus = KErrNone;
       
    37 	}
       
    38 
       
    39 // -----------------------------------------------------------------------------
       
    40 // CDataBufferQueueItem::~CDataBufferQueueItem
       
    41 // Destructor
       
    42 // -----------------------------------------------------------------------------
       
    43 //
       
    44 CDataBufferQueueItem::~CDataBufferQueueItem()
       
    45 	{
       
    46 	delete iBuffer;
       
    47 	if(!iMessage->IsCompleted())
       
    48 		{
       
    49 		iMessage->Complete(iMessageStatus);
       
    50 		delete iMessage;
       
    51 		}
       
    52 	}
       
    53 
       
    54 // -----------------------------------------------------------------------------
       
    55 // CDataBufferQueueItem::ConstructL
       
    56 // Symbian 2nd phase constructor can leave.
       
    57 // -----------------------------------------------------------------------------
       
    58 //
       
    59 void CDataBufferQueueItem::ConstructL(
       
    60 	CMMFDataBuffer* aDataBuffer,
       
    61 	TMMFMessage& aMessage )
       
    62 	{
       
    63 	iBuffer = aDataBuffer;
       
    64 	iMessage = new(ELeave) TMMFMessage(aMessage);
       
    65 	}
       
    66 
       
    67 // -----------------------------------------------------------------------------
       
    68 // CDataBufferQueueItem::NewL
       
    69 // Two-phased constructor.
       
    70 // -----------------------------------------------------------------------------
       
    71 //
       
    72 CDataBufferQueueItem* CDataBufferQueueItem::NewL(
       
    73 	CMMFDataBuffer* aDataBuffer,
       
    74 	TMMFMessage& aMessage )
       
    75 	{
       
    76 	CDataBufferQueueItem* self = new (ELeave) CDataBufferQueueItem();
       
    77 	CleanupStack::PushL(self);
       
    78 	self->ConstructL(aDataBuffer, aMessage);
       
    79 	CleanupStack::Pop(self);
       
    80 	return self;
       
    81 	}
       
    82 
       
    83 void CDataBufferQueueItem::SetMessageStatus(TInt status)
       
    84 {
       
    85 	iMessageStatus = status;
       
    86 }
       
    87 
       
    88 CMMFDataBuffer* CDataBufferQueueItem::GetDataBuffer()
       
    89 {
       
    90 	return iBuffer;
       
    91 }