/*

 * 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 Environmental Reverb proxy class

 *

 */

 // INCLUDE FILES

 #ifdef _DEBUG

 #include <e32svr.h>

 #endif

 #include "EnvironmentalReverbProxy.h"

 #include "EnvironmentalReverbEventObserver.h"

 #include "RoomLevelProxy.h"

 #include <CustomInterfaceUtility.h>

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

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

 // CEnvironmentalReverbProxy::CEnvironmentalReverbProxy

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

 // might leave.

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

 //

 CEnvironmentalReverbProxy::CEnvironmentalReverbProxy(

 	TMMFMessageDestinationPckg aMessageHandler,

 	MCustomCommand& aCustomCommand,

 	CCustomInterfaceUtility* aCustomInterfaceUtility )

 	: 	iCustomCommand(&aCustomCommand),

 		iMessageHandler(aMessageHandler),

 		iCustomInterfaceUtility(aCustomInterfaceUtility)

     {

     }

 // Destructor

 CEnvironmentalReverbProxy::~CEnvironmentalReverbProxy()

     {

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

     TInt numOfRoomLevel = iCRoomLevelProxyList.Count();

     if (numOfRoomLevel > 0)

     {

     	for (TInt i = 0; i < numOfRoomLevel; ++i)

     	{

     	iCRoomLevelProxyList[i]->DettachReverb(*this);

     	}

     };

     iCRoomLevelProxyList.Close();

     if(iCustomInterfaceUtility)

         iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

 	delete iEnvironmentalReverbEventObserver;

 	delete iCustomInterfaceUtility;

 	}

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

 // CEnvironmentalReverbProxy::NewL

 // Static function for creating an instance of the Environmental Reverb object.

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

 //

 EXPORT_C CEnvironmentalReverbProxy* CEnvironmentalReverbProxy::NewL(

 	TMMFMessageDestinationPckg aMessageHandler,

     MCustomCommand& aCustomCommand,

     CCustomInterfaceUtility* aCustomInterfaceUtility )

     {

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

     CleanupStack::PushL(self);

     self->ConstructL();

     CleanupStack::Pop(self);

     return self;

 	}

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

 // CEnvironmentalReverbProxy::ConstructL

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

 //

 void CEnvironmentalReverbProxy::ConstructL()

     {

 #ifdef _DEBUG

     RDebug::Print(_L("CEnvironmentalReverbProxy::ConstructL"));

 #endif

     iEnvironmentalReverbEventObserver = CEnvironmentalReverbEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);

     StartObserver();

     // sends a message to fetch initial data.

     TEfEnvReverbDataPckg dataPckgFrom;

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

 	SetEffectData(dataPckgFrom);

 	}

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

 // CEnvironmentalReverbProxy::GetUniqueId

 // return a TInt 32 integer

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

 //

 TUint32 CEnvironmentalReverbProxy::GetUniqueId() const

 	{

 		return iReverbData.iEnvironmentalReverbId;

      }

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

 // CEnvironmentalReverbProxy::AttachRoomLevel

 // Add the reference of aProxy to array

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

 //

 TInt CEnvironmentalReverbProxy::RoomLevelAttached(CRoomLevelProxy& aProxy)

 	{   

 	    TInt error = iCRoomLevelProxyList.Find(&aProxy);

 	    if (error == KErrNotFound)

 	    {

 	      error = iCRoomLevelProxyList.Append(&aProxy);

 	    }

 	    return error;

 	}

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

 // CEnvironmentalReverbImpl::DetachRoomLevel

 // Remove the reference of aProxy from array

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

 //

 TInt CEnvironmentalReverbProxy::RoomLevelDetached(CRoomLevelProxy& aProxy)

 	{

 	   TInt found = iCRoomLevelProxyList.Find(&aProxy);

 	   if (found != KErrNotFound)

 	   {

 	   	 iCRoomLevelProxyList.Remove(found);				

 	     found = KErrNone;

 	   }

 	   return found;

 	}

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

 // CEnvironmentalReverbProxy::ApplyL

 // Apply the Environmental Reverb settings.

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

 //

 EXPORT_C void CEnvironmentalReverbProxy::ApplyL()

 	{

 #ifdef _DEBUG

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

 #endif

 	if ( !iHaveUpdateRights )

 		{

 		User::Leave(KErrAccessDenied);

 		}

 	iReverbData.iEnabled = iEnabled;

 	iReverbData.iEnforced = iEnforced;

 	iReverbData.iHaveUpdateRights = iHaveUpdateRights;

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

 	}

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

 // CEnvironmentalReverbProxy::StartObserver

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

 // from the message handler.

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

 //

 void CEnvironmentalReverbProxy::StartObserver()

 	{

 #ifdef _DEBUG

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

 #endif

 	iEnvironmentalReverbEventObserver->Start();

 	}

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

 // CEnvironmentalReverbProxy::EnvironmentalReverbEvent

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

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

 //

 void CEnvironmentalReverbProxy::EnvironmentalReverbEvent(

 	const TDesC8& aBuffer )

 	{

 #ifdef _DEBUG

     RDebug::Print(_L("CEnvironmentalReverbProxy::EnvironmentalReverbEvent"));

 #endif

 	TEfEnvReverbDataPckg dataPckgFrom;

 	dataPckgFrom.Copy(aBuffer);

 	TEfEnvironmentalReverb newReverbData = dataPckgFrom();

 	TUint8 event = 0;

 	if ( newReverbData.iEnabled != iReverbData.iEnabled )

 		{

 		iReverbData.iEnabled = newReverbData.iEnabled;

 		iEnabled = newReverbData.iEnabled;

 		if ( iReverbData.iEnabled )

 			{

 			event = MAudioEffectObserver::KEnabled;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KDisabled;

 			}

 		}

 	else if ( newReverbData.iEnforced != iReverbData.iEnforced )

 		{

 		iReverbData.iEnforced = newReverbData.iEnforced;

 		iEnforced = newReverbData.iEnforced;

 		if ( iReverbData.iEnforced )

 			{

 			event = MAudioEffectObserver::KEnforced;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KNotEnforced;

 			}

 		}

 	else if ( newReverbData.iHaveUpdateRights != iReverbData.iHaveUpdateRights )

 		{

 		iReverbData.iHaveUpdateRights = newReverbData.iHaveUpdateRights;

 		iHaveUpdateRights = newReverbData.iHaveUpdateRights;

 		if ( iReverbData.iHaveUpdateRights )

 			{

 			event = MAudioEffectObserver::KGainedUpdateRights;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KLostUpdateRights;

 			}

 		}

 	else if ( newReverbData.iDecayTime != iReverbData.iDecayTime )

 		{

 		iReverbData.iDecayTime = newReverbData.iDecayTime;

 		event = MEnvironmentalReverbObserver::KDecayTimeChanged;

 		}

 	else if ( newReverbData.iDecayHFRatio != iReverbData.iDecayHFRatio )

 		{

 		iReverbData.iDecayHFRatio = newReverbData.iDecayHFRatio;

 		event = MEnvironmentalReverbObserver::KDecayHFRatioChanged;

 		}

 	else if ( newReverbData.iDensity != iReverbData.iDensity )

 		{

 		iReverbData.iDensity = newReverbData.iDensity;

 		event = MEnvironmentalReverbObserver::KDensityChanged;

 		}

 	else if ( newReverbData.iDiffusion != iReverbData.iDiffusion )

 		{

 		iReverbData.iDiffusion = newReverbData.iDiffusion;

 		event = MEnvironmentalReverbObserver::KDiffusionChanged;

 		}

 	else if ( newReverbData.iReflectionsDelay != iReverbData.iReflectionsDelay )

 		{

 		iReverbData.iReflectionsDelay = newReverbData.iReflectionsDelay;

 		event = MEnvironmentalReverbObserver::KReflectionsDelayChanged;

 		}

 	else if ( newReverbData.iReflectionsLevel != iReverbData.iReflectionsLevel )

 		{

 		iReverbData.iReflectionsLevel = newReverbData.iReflectionsLevel;

 		event = MEnvironmentalReverbObserver::KReflectionsLevelChanged;

 		}

 	else if ( newReverbData.iReverbDelay != iReverbData.iReverbDelay )

 		{

 		iReverbData.iReverbDelay = newReverbData.iReverbDelay;

 		event = MEnvironmentalReverbObserver::KReverbDelayChanged;

 		}

 	else if ( newReverbData.iReverbLevel != iReverbData.iReverbLevel )

 		{

 		iReverbData.iReverbLevel = newReverbData.iReverbLevel;

 		event = MEnvironmentalReverbObserver::KReverbLevelChanged;

 		}

 	else if ( newReverbData.iRoomLevel != iReverbData.iRoomLevel )

 		{

 		iReverbData.iRoomLevel = newReverbData.iRoomLevel;

 		event = MEnvironmentalReverbObserver::KRoomLevelChanged;

 		}

 	else if ( newReverbData.iRoomHFLevel != iReverbData.iRoomHFLevel )

 		{

 		iReverbData.iRoomHFLevel = newReverbData.iRoomHFLevel;

 		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;

 		}

 	else if ( newReverbData.iEnvironmentalReverbId != iReverbData.iEnvironmentalReverbId )

 		{

 		iReverbData.iEnvironmentalReverbId = newReverbData.iEnvironmentalReverbId;

 //		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;

 		}

 	if (!event)

 		return;

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

 		{

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

 		}

 	}

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

 // End of File