--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Plugins/DataBufferSource/src/SourceQueueItem.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,128 @@
+/*
+* 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:  This file contains the implementation of Data Buffer Queue Item.
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "SourceQueueItem.h"
+#include <mmfcontrollerframework.h>
+#include "tracemacros.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CSourceQueueItem::CSourceQueueItem
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CSourceQueueItem::CSourceQueueItem()
+: iMessage(NULL)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CSourceQueueItem::~CSourceQueueItem
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CSourceQueueItem::~CSourceQueueItem()
+    {
+    if(iMessage && !iMessage->IsCompleted())
+        {
+        iMessage->Complete(KErrCancel);
+        delete iMessage;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CSourceQueueItem::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CSourceQueueItem::ConstructL(
+                                  TMMFMessage& aMessage )
+    {
+    iMessage = new(ELeave) TMMFMessage(aMessage);
+    // Read buffer attributes here
+    TPckgBuf<DataBufferAttributesStruct> dataBufferAttributesStructPckg;
+    TInt err = iMessage->ReadData2FromClient(dataBufferAttributesStructPckg);
+    if ( err == KErrNone )
+        {
+        iLastBuffer = dataBufferAttributesStructPckg().iLastBuffer;
+        iBufferSeqNum = dataBufferAttributesStructPckg().iBufferSeqNum;
+        }
+    EMC_TRACE3(_L("CSourceQueueItem::ConstructL LB[%d] err[%d]"), iLastBuffer, err);
+    }
+
+// -----------------------------------------------------------------------------
+// CSourceQueueItem::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CSourceQueueItem* CSourceQueueItem::NewL(
+                                         TMMFMessage& aMessage )
+    {
+    CSourceQueueItem* self = new (ELeave) CSourceQueueItem();
+    CleanupStack::PushL(self);
+    self->ConstructL(aMessage);
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+void CSourceQueueItem::CompleteMessage(TInt status)
+    {
+    EMC_TRACE3(_L("CSourceQueueItem::CompleteMessage:BufSeqNum[%d]Status[%d]"), \
+            iBufferSeqNum, status);
+    if ( iMessage && !iMessage->IsCompleted())
+        {
+        iMessage->Complete(status);
+        }
+    delete iMessage;
+    iMessage = NULL;
+    }
+
+TInt CSourceQueueItem::DataSize()
+    {
+    TInt val(0);
+    if (iMessage)
+        val = iMessage->SizeOfData1FromClient();
+    return val;
+    }
+
+TInt CSourceQueueItem::ReadData(TDes8 &aDes)
+    {
+    TInt err(KErrNotReady);
+    if (iMessage)
+        {
+        err = iMessage->ReadData1FromClient(aDes);
+        }
+    return err;
+    }
+
+TBool CSourceQueueItem::IsLastBuffer()
+    {
+    return iLastBuffer;
+    }
+
+TUint CSourceQueueItem::GetBufferSequenceNumber()
+    {
+    return iBufferSeqNum;
+    }
+
+// End of file