diff -r 000000000000 -r 71ca22bcf22a mmfenh/enhancedaudioplayerutility/AudioStreaming/AudioStreamingSource/src/ReadRequest.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmfenh/enhancedaudioplayerutility/AudioStreaming/AudioStreamingSource/src/ReadRequest.cpp Tue Feb 02 01:08:46 2010 +0200 @@ -0,0 +1,131 @@ +/* +* Copyright (c) 2005 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 Stream Source Reader active object. +* +*/ + + + +// INCLUDE FILES +#ifdef _DEBUG +#include +#endif + +#include "ReadRequest.h" +#include +#include + + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CReadRequest::CReadRequest +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CReadRequest::CReadRequest( + CS60StreamingSource& aCallback, + CMMFBuffer* aBuffer, + MDataSink* aConsumer ) + : CActive(CActive::EPriorityStandard), + iCallback(aCallback), + iBuffer(aBuffer), + iConsumer(aConsumer) + { + } + +// ----------------------------------------------------------------------------- +// CReadRequest::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CReadRequest::ConstructL() + { + CActiveScheduler::Add(this); + } + +// ----------------------------------------------------------------------------- +// CReadRequest::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +CReadRequest* CReadRequest::NewL( + CS60StreamingSource& aCallback, + CMMFBuffer* aBuffer, + MDataSink* aConsumer ) + { + CReadRequest* self = new(ELeave) CReadRequest(aCallback, aBuffer, aConsumer); + CleanupStack::PushL(self); + self->ConstructL(); + CleanupStack::Pop(self); + return self; + } + + +// ----------------------------------------------------------------------------- +// CReadRequest::~CReadRequest +// Destructor +// ----------------------------------------------------------------------------- +// +CReadRequest::~CReadRequest() + { + // We should not have to cancel the outstanding request because the message + // handler will complete our request with KErrCancel in its destructor. + Cancel(); + } + +// ----------------------------------------------------------------------------- +// CReadRequest::HandleRequest +// ----------------------------------------------------------------------------- +// +void CReadRequest::HandleRequest() + { + if (!IsActive()) + { + TRequestStatus* s = &iStatus; + SetActive(); + User::RequestComplete(s, KErrNone); + } + } + +// ----------------------------------------------------------------------------- +// CReadRequest::RunL +// Invoke by the active scheduler when a request completes -- the buffer has been +// processed. +// ----------------------------------------------------------------------------- +// +void CReadRequest::RunL() + { +#ifdef _DEBUG + RDebug::Print(_L("CReadRequest::RunL()\n")); +#endif + + iCallback.HandleFillBuffer(iBuffer, iConsumer); + } + +// ----------------------------------------------------------------------------- +// CReadRequest::DoCancel +// Cancels the current and any on going requests/tasks. +// ----------------------------------------------------------------------------- +// +void CReadRequest::DoCancel() + { +#ifdef _DEBUG + RDebug::Print(_L("CReadRequest::DoCancel()\n")); +#endif + } + +// End of file +