diff -r 000000000000 -r 71ca22bcf22a mmfenh/enhancedmediaclient/Client/src/Components/ClientDataBufferSource/DataBufferQueueItem.cpp --- /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