--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/ClientDataBufferSource/DataBufferQueueItem.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,145 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Implementation of the DataBufferQueue Item
+*
+*/
+
+
+#include "DataBufferQueueItem.h"
+#include "tracemacros.h"
+
+using namespace multimedia;
+
+// ---------------------------------------------------------------------------
+// Contructor
+// ---------------------------------------------------------------------------
+CDataBufferQueueItem::CDataBufferQueueItem( MBufferObserver& aObserver, 
+                                            MDataBuffer& aBuffer,
+                                            TBool aLastBuffer,
+                                            TUint aBufSeqNum )
+                                             : CActive(CActive::EPriorityStandard),
+                                             iObserver(aObserver),
+                                             iBuffer(aBuffer),
+                                             iError(KErrNone)
+    {
+    CActiveScheduler::Add(this);
+    iDataBufferAttributesStructPckg().iLastBuffer = aLastBuffer;
+    iDataBufferAttributesStructPckg().iBufferSeqNum = aBufSeqNum;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+CDataBufferQueueItem::~CDataBufferQueueItem()
+    {
+    Cancel();
+    }
+
+// ---------------------------------------------------------------------------
+// NewL
+// ---------------------------------------------------------------------------
+CDataBufferQueueItem* CDataBufferQueueItem::NewL( MBufferObserver& aObserver, 
+                                                MDataBuffer& aBuffer,
+                                                TBool aLastBuffer,
+                                                TUint aBufSeqNum )
+    {
+    CDataBufferQueueItem* self = new (ELeave)CDataBufferQueueItem( aObserver, aBuffer, aLastBuffer, aBufSeqNum );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Second Phase Contructor
+// ---------------------------------------------------------------------------
+void CDataBufferQueueItem::ConstructL()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// SetActive
+// ---------------------------------------------------------------------------
+void CDataBufferQueueItem::SetActive()
+    {
+    if (!IsActive())
+        {
+        CActive::SetActive();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Buffer
+// ---------------------------------------------------------------------------
+MDataBuffer& CDataBufferQueueItem::DataBuffer()
+    {
+    return iBuffer;
+    }
+
+// ---------------------------------------------------------------------------
+// Error
+// ---------------------------------------------------------------------------
+TInt CDataBufferQueueItem::Error()
+    {
+    return iError;
+    }
+
+// From CActive
+void CDataBufferQueueItem::RunL()
+    {
+    // Save the error code
+    iError = iStatus.Int();
+    // Signal the observer that this request is serviced
+    iObserver.BufferProcessed( this );
+    }
+
+void CDataBufferQueueItem::DoCancel()
+    {
+    iObserver.HandleCancel( *this );
+    }
+
+TInt CDataBufferQueueItem::RunError( TInt /*aError*/ )
+    {
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Return buffer attributes serialized in a descriptor
+// ---------------------------------------------------------------------------
+TDesC8& CDataBufferQueueItem::GetDataBufferAttributesDesc()
+    {
+    return iDataBufferAttributesStructPckg; 
+    }    
+
+// ---------------------------------------------------------------------------
+// Return buffer sequence number
+// ---------------------------------------------------------------------------
+TUint CDataBufferQueueItem::GetBufferSequenceNumber()
+    {
+    return iDataBufferAttributesStructPckg().iBufferSeqNum;
+    }
+
+void CDataBufferQueueItem::CompleteSelf( TInt aError )
+    {
+    EMC_TRACE3(_L("CDataBufferQueueItem::CompleteSelf:BufSeqNum[%d]aErr[%d]"), \
+            iDataBufferAttributesStructPckg().iBufferSeqNum, aError);
+    if ( IsActive() && (iStatus.Int() == KRequestPending) )
+        {
+        EMC_TRACE1(_L("CDataBufferQueueItem::CompleteSelf:User::RequestComplete"));
+        TRequestStatus* status = &iStatus;
+        User::RequestComplete(status, aError);
+        }
+    }
+
+// End of File