/*

* Copyright (c) 2004 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 Source Doppler Proxy class

*

*/

// INCLUDE FILES

#ifdef _DEBUG

#include <e32svr.h>

#endif

#include "SourceDopplerProxy.h"

#include "SourceDopplerEventObserver.h"

#include <CustomInterfaceUtility.h>

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

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

// CSourceDopplerProxy::CSourceDopplerProxy

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

// might leave.

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

//

CSourceDopplerProxy::CSourceDopplerProxy(

	TMMFMessageDestinationPckg aMessageHandler,

	MCustomCommand& aCustomCommand,

	CCustomInterfaceUtility* aCustomInterfaceUtility )

	: 	iCustomCommand(&aCustomCommand),

		iMessageHandler(aMessageHandler),

		iCustomInterfaceUtility(aCustomInterfaceUtility)

    {

    }

// Destructor

CSourceDopplerProxy::~CSourceDopplerProxy()

    {

    // Remove the custom interface message handler before we destroy the proxy.

    if(iCustomInterfaceUtility)

        iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

	delete iDopplerEventObserver;

	delete iCustomInterfaceUtility;

	}

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

// CSourceDopplerProxy::NewL

// Static function for creating an instance of the SourceDoppler object.

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

//

EXPORT_C CSourceDopplerProxy* CSourceDopplerProxy::NewL(

	TMMFMessageDestinationPckg aMessageHandler,

    MCustomCommand& aCustomCommand,

    CCustomInterfaceUtility* aCustomInterfaceUtility )

    {

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

	}

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

// CSourceDopplerProxy::ConstructL

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

//

void CSourceDopplerProxy::ConstructL()

    {

    iDopplerEventObserver = CSourceDopplerEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);

    StartObserver();

    TEfDopplerDataPckg dataPckgFrom;

    // sends a message to fetch initial data.

	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);

	SetEffectData(dataPckgFrom);

	}

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

// CSourceDopplerProxy::ApplyL

// Apply the SourceDoppler settings.

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

//

EXPORT_C void CSourceDopplerProxy::ApplyL()

	{

#ifdef _DEBUG

    RDebug::Print(_L("CSourceDopplerProxy::Apply"));

#endif

	if (iHaveUpdateRights )

		{

		iDopplerData.iEnabled = iEnabled;

		iDopplerData.iEnforced = iEnforced;

		iDopplerData.iHaveUpdateRights = iHaveUpdateRights;

		iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ESourceDopplerOfApply, DoEffectData(), KNullDesC8);

		}

	else

		{

		User::Leave(KErrAccessDenied);

		}

	}

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

// CSourceDopplerProxy::StartObserver

// Starts the event observer. The event observer monitors asynchronous events

// from the message handler.

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

//

void CSourceDopplerProxy::StartObserver()

	{

#ifdef _DEBUG

    RDebug::Print(_L("CSourceDopplerProxy::StartObserver"));

#endif

	iDopplerEventObserver->Start();

	}

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

// CSourceDopplerProxy::DopplerEvent

// Checks which data member has changed and notify the observers.

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

//

void CSourceDopplerProxy::SourceDopplerEvent(

	const TDesC8& aBuffer )

	{

#ifdef _DEBUG

    RDebug::Print(_L("CSourceDopplerProxy::SourceDopplerEvent"));

#endif

	TEfDopplerDataPckg dataPckgFrom;

	dataPckgFrom.Copy(aBuffer);

	TEfDoppler newDopplerData = dataPckgFrom();

	TUint8 event = 0;

	if ( newDopplerData.iEnabled != iDopplerData.iEnabled )

		{

		iDopplerData.iEnabled = newDopplerData.iEnabled;

		iEnabled = newDopplerData.iEnabled;

		if ( iDopplerData.iEnabled )

			{

			event = MAudioEffectObserver::KEnabled;

			}

		else

			{

			event = MAudioEffectObserver::KDisabled;

			}

		}

	else if ( newDopplerData.iEnforced != iDopplerData.iEnforced )

		{

		iDopplerData.iEnforced = newDopplerData.iEnforced;

		iEnforced = newDopplerData.iEnforced;

		if ( iDopplerData.iEnforced )

			{

			event = MAudioEffectObserver::KEnforced;

			}

		else

			{

			event = MAudioEffectObserver::KNotEnforced;

			}

		}

	else if ( newDopplerData.iHaveUpdateRights != iDopplerData.iHaveUpdateRights )

		{

		iDopplerData.iHaveUpdateRights = newDopplerData.iHaveUpdateRights;

		iHaveUpdateRights = newDopplerData.iHaveUpdateRights;

		if ( iDopplerData.iHaveUpdateRights )

			{

			event = MAudioEffectObserver::KGainedUpdateRights;

			}

		else

			{

			event = MAudioEffectObserver::KLostUpdateRights;

			}

		}

		else if ( newDopplerData.iVelocityX != iDopplerData.iVelocityX )

			{

			iDopplerData.iVelocityX = newDopplerData.iVelocityX;

			event = MSourceDopplerObserver::KCartesianVelocityChanged;

			}

		else if ( newDopplerData.iVelocityY != iDopplerData.iVelocityY )

			{

			iDopplerData.iVelocityY = newDopplerData.iVelocityY;

			event = MSourceDopplerObserver::KCartesianVelocityChanged;

			}

		else if ( newDopplerData.iVelocityZ != iDopplerData.iVelocityZ )

			{

			iDopplerData.iVelocityZ = newDopplerData.iVelocityZ;

			event = MSourceDopplerObserver::KCartesianVelocityChanged;

			}

		else if ( newDopplerData.iAzimuth != iDopplerData.iAzimuth )

			{

			iDopplerData.iAzimuth = newDopplerData.iAzimuth;

			event = MSourceDopplerObserver::KSphericalVelocityChanged;

			}

		else if ( newDopplerData.iElevation != iDopplerData.iElevation )

			{

			iDopplerData.iElevation = newDopplerData.iElevation;

			event = MSourceDopplerObserver::KSphericalVelocityChanged;

			}

		else if ( newDopplerData.iRadius != iDopplerData.iRadius )

			{

			iDopplerData.iRadius = newDopplerData.iRadius;

			event = MSourceDopplerObserver::KSphericalVelocityChanged;

			}

		else if ( newDopplerData.iFactor != iDopplerData.iFactor )

			{

			iDopplerData.iFactor = newDopplerData.iFactor;

			event = MSourceDopplerObserver::KFactorChanged;

			}

		else if ( newDopplerData.iMaxFactor != iDopplerData.iMaxFactor )

			{

			iDopplerData.iMaxFactor = newDopplerData.iMaxFactor;

			event = MSourceDopplerObserver::KMaxFactorChanged;

			}

	if (!event)

		return;

	for ( TInt i = 0; i < iObservers.Count(); i++ )

		{

		iObservers[i]->EffectChanged(this, event);

		}

	}

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

// End of File