devsoundextensions/restrictedaudiooutput/RestrictedAudioOutputMessageHandler/src/RestrictedAudioOutputMessageHandler.cpp
author hgs
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   This is the implementation of the CRestrictedAudioOutputMessageHandler class.
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*
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*/
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// INCLUDE FILES
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#include    "RestrictedAudioOutput.h"
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#include    "RestrictedAudioOutputMessageHandler.h"
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#include    "RestrictedAudioOutputMessageTypes.h"
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// ================= MEMBER FUNCTIONS =======================
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// C++ default constructor can NOT contain any code, that
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// might leave.
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//
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CRestrictedAudioOutputMessageHandler::CRestrictedAudioOutputMessageHandler(CRestrictedAudioOutput* aAudioOutput)
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	 :	CMMFObject(KUidRestrictedAudioOutput)
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    {
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    iAudioOutput = aAudioOutput;
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    }
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// Two-phased constructor.
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EXPORT_C CRestrictedAudioOutputMessageHandler* CRestrictedAudioOutputMessageHandler::NewL(TAny* aCustomInterface)
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    {
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    CRestrictedAudioOutput* audioOutput = (CRestrictedAudioOutput*)aCustomInterface;
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    CRestrictedAudioOutputMessageHandler* self = new (ELeave) CRestrictedAudioOutputMessageHandler(audioOutput);
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    CleanupStack::PushL(self);
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	self->ConstructL();
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	CleanupStack::Pop(self);
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CRestrictedAudioOutputMessageHandler::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CRestrictedAudioOutputMessageHandler::ConstructL()
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	{
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	}
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// Destructor
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CRestrictedAudioOutputMessageHandler::~CRestrictedAudioOutputMessageHandler()
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	{
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	delete iAudioOutput;
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	}
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// ---------------------------------------------------------
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// CRestrictedAudioOutputMessageHandler::AudioOutputL
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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EXPORT_C TUid CRestrictedAudioOutputMessageHandler::Uid()
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	{
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	return KUidRestrictedAudioOutput;
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	}
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// ---------------------------------------------------------
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// CRestrictedAudioOutputMessageHandler::SetAudioOutputL
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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void CRestrictedAudioOutputMessageHandler::HandleRequest(TMMFMessage& aMessage)
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	{
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	ASSERT(aMessage.Destination().InterfaceId() == KUidRestrictedAudioOutput);
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	TRAPD(error,DoHandleRequestL(aMessage));
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	if(error)
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		{
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		aMessage.Complete(error);
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		}
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	}
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// ---------------------------------------------------------
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// CRestrictedAudioOutputMessageHandler::DoHandleRequestL
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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void CRestrictedAudioOutputMessageHandler::DoHandleRequestL(TMMFMessage& aMessage)
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	{
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	switch(aMessage.Function())
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		{
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		case ERaofCommit:
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			{
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			DoCommitL(aMessage);
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			break;
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			}			
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		default:
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			{
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			aMessage.Complete(KErrNotSupported);
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			}
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		}
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	}
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// ---------------------------------------------------------
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// CRestrictedAudioOutputMessageHandler::DoCommitL
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// ?implementation_description
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// (other items were commented in a header).
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// ---------------------------------------------------------
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//
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void CRestrictedAudioOutputMessageHandler::DoCommitL(TMMFMessage& aMessage)
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	{
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#ifdef _DEBUG 	
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	RDebug::Print(_L("CRestrictedAudioOutputMessageHandler::DoCommitL"));
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#endif
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	TPckgBuf<TInt> countPckg;
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	aMessage.ReadData1FromClient(countPckg);
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	TInt count = countPckg();
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#ifdef _DEBUG 	
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	RDebug::Print(_L("CRestrictedAudioOutputMessageHandler::DoCommitL Count: %d"),count);
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#endif
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	CArrayFixFlat<CRestrictedAudioOutput::TAllowedOutputPreference>* outputArray =
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		new(ELeave) CArrayFixFlat<CRestrictedAudioOutput::TAllowedOutputPreference>(4);
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	CleanupStack::PushL(outputArray);
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	outputArray->ResizeL(count);
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	TInt length = count * outputArray->Length();
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	TPtr8 arrayPtr((TUint8*)&(*outputArray)[0],length, length);
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	aMessage.ReadData2FromClient(arrayPtr);
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	CRestrictedAudioOutput::TAllowedOutputPreference pref;	
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	TInt err = iAudioOutput->Reset();
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	for (TInt i = 0; i < count; i++)
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	{
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		pref = (outputArray->Array())[i];
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#ifdef _DEBUG 
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		RDebug::Print(_L("DoCommitL Calling Append for: %d"),pref);
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#endif		
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		TInt err = iAudioOutput->AppendAllowedOutput(pref);
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	}
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#ifdef _DEBUG 		
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	RDebug::Print(_L("CRestrictedAudioOutputMessageHandler::DoCommitL Calling Commit..."));
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#endif
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	iAudioOutput->Commit();	
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	CleanupStack::PopAndDestroy();	//outputArray
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	aMessage.Complete(KErrNone);
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	}
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// End of File