/*

* 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: Audio output proxy implementation

*

*/

// INCLUDE FILES

#include "AudioOutput.h"

#include "AudioOutputProxyAO.h"

#include "AudioOutputProxy.h"

#include "AudioOutputMessageTypes.h"

#include <CustomCommandUtility.h>

#include "CustomInterfaceUtility.h"

// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that

// might leave.

//

CAudioOutputProxy::CAudioOutputProxy(TMMFMessageDestinationPckg aMessageHandler,

						MCustomCommand& aCustomCommand,

	       					CCustomInterfaceUtility* aCustomInterfaceUtility) :

	iCustomCommand(&aCustomCommand),

	iMessageHandler(aMessageHandler),

	iCustomInterfaceUtility(aCustomInterfaceUtility)

    {

    iOutput        = ENoPreference;

    iDefaultOutput = ENoPreference;

    iSecureOutput  = EFalse;

    iRegistered = EFalse;

    }

// Two-phased constructor.

EXPORT_C CAudioOutputProxy* CAudioOutputProxy::NewL(TMMFMessageDestinationPckg aMessageHandler, 

							MCustomCommand& aCustomCommand,

							CCustomInterfaceUtility* aCustomInterfaceUtility)

    {

    CAudioOutputProxy* self = new(ELeave) CAudioOutputProxy(aMessageHandler,aCustomCommand,aCustomInterfaceUtility);

    self->ConstructL();

    return self;

    }

// -----------------------------------------------------------------------------

// CAudioOutputProxy::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CAudioOutputProxy::ConstructL()

	{

	}

// Destructor

CAudioOutputProxy::~CAudioOutputProxy()

    {

    	if (iRegistered != EFalse)

    	{

    	    if(iObserver)

    		    UnregisterObserver(*iObserver);

    	}

        if (iCustomCommand)

        {

            iCustomCommand->CustomCommandSync(iMessageHandler, EAofDelete, KNullDesC8, KNullDesC8);

    	}

    	if(iAsyncSender)

    	{    

    	    delete iAsyncSender;

    	    iAsyncSender = NULL;

    	}

    	if(iCustomInterfaceUtility)

    	{

    	    iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

    	    delete iCustomInterfaceUtility;

            iCustomInterfaceUtility = NULL;

        }

    }

// ---------------------------------------------------------

// CAudioOutput::Uid

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

EXPORT_C const TUid CAudioOutputProxy::Uid()

	{

	return KUidAudioOutput;

	}

// ---------------------------------------------------------

// CAudioOutput::AudioOutput

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

CAudioOutput::TAudioOutputPreference CAudioOutputProxy::AudioOutput()

	{

	TPckgBuf<TAudioOutputPreference> outPutPckg;

	TInt error = iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EAofGetAudioOutput, KNullDesC8, KNullDesC8, outPutPckg);

	if (KErrNone == error)

	   iOutput = outPutPckg();

	else

       iOutput = ENoPreference;	

	return iOutput;

	}

// ---------------------------------------------------------

// CAudioOutput::DefaultAudioOutput

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

CAudioOutput::TAudioOutputPreference CAudioOutputProxy::DefaultAudioOutput()

	{

	return iDefaultOutput;

	}

// ---------------------------------------------------------

// CAudioOutput::RegisterObserverL

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CAudioOutputProxy::RegisterObserverL(MAudioOutputObserver& aObserver)

	{

	if(iRegistered)

		{

	       iObserver = &aObserver;

	       iAsyncSender->SetObserver(aObserver);

	       }

	else

		{

		iRegistered = ETrue;

		iObserver = &aObserver;

		delete iAsyncSender;

		iAsyncSender = NULL;

		iAsyncSender = CAudioOutputProxyAO::NewL(this,aObserver,iCustomCommand);

		iAsyncSender->SetRegisterFlag(ETrue);

		iAsyncSender->SendAsyncMessage(iMessageHandler,EAofRegisterObserver);

		}

	}

// ---------------------------------------------------------

// CAudioOutput::SecureOutput

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

TBool CAudioOutputProxy::SecureOutput()

	{

	return iSecureOutput;

	}

// ---------------------------------------------------------

// CAudioOutput::SetAudioOutputL

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CAudioOutputProxy::SetAudioOutputL(TAudioOutputPreference aAudioOutput)

	{

	iOutput = aAudioOutput;

	TPckgC<TAudioOutputPreference> outputPckg(aAudioOutput);

	iCustomCommand->CustomCommandSync(iMessageHandler, EAofSetAudioOutput, outputPckg, KNullDesC8);

	}

// ---------------------------------------------------------

// CAudioOutput::SetAudioOutputL

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CAudioOutputProxy::SetSecureOutputL(TBool aSecureOutput)

	{

	iSecureOutput = aSecureOutput;

	TPckgC<TBool> outputPckg(aSecureOutput);

	}

// ---------------------------------------------------------

// CAudioOutput::RegisterObserverL

// ?implementation_description

// (other items were commented in a header).

// ---------------------------------------------------------

//

void CAudioOutputProxy::UnregisterObserver(MAudioOutputObserver& aObserver)

	{

	iRegistered = EFalse;

	if (iObserver == &aObserver)

		{

		if (iAsyncSender)

			{

			iAsyncSender->SetRegisterFlag(EFalse);

			iCustomCommand->CustomCommandSync(iMessageHandler, EAofUnregisterObserver, KNullDesC8, KNullDesC8);

			iObserver = NULL;

			}

		}

	}

// ========================== OTHER EXPORTED FUNCTIONS =========================

// End of File