/*

 * 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 bassboost proxy class

 *

 */

 // INCLUDE FILES

 #ifdef _DEBUG

 #include <e32svr.h>

 #endif

 #include "BassBoostProxy.h"

 #include "BassBoostEventObserver.h"

 #include <CustomInterfaceUtility.h>

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

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

 // CBassBoostProxy::CBassBoostProxy

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

 // might leave.

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

 //

 CBassBoostProxy::CBassBoostProxy(

 	TMMFMessageDestinationPckg aMessageHandler,

 	MCustomCommand& aCustomCommand,

 	CCustomInterfaceUtility* aCustomInterfaceUtility )

 	: 	iCustomCommand(&aCustomCommand),

 		iMessageHandler(aMessageHandler),

 		iCustomInterfaceUtility(aCustomInterfaceUtility)

     {

     }

 // Destructor

 CBassBoostProxy::~CBassBoostProxy()

     {

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

     if(iCustomInterfaceUtility)

         iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

 	delete iBassBoostEventObserver;

 	delete iCustomInterfaceUtility;

 	}

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

 // CBassBoostProxy::NewL

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

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

 //

 EXPORT_C CBassBoostProxy* CBassBoostProxy::NewL(

 	TMMFMessageDestinationPckg aMessageHandler,

     MCustomCommand& aCustomCommand,

     CCustomInterfaceUtility* aCustomInterfaceUtility )

     {

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

     CleanupStack::PushL(self);

     self->ConstructL();

     CleanupStack::Pop(self);

     return self;

 	}

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

 // CBassBoostProxy::ConstructL

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

 //

 void CBassBoostProxy::ConstructL()

     {

     iBassBoostEventObserver = CBassBoostEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);

     StartObserver();

     TEfBassBoostDataPckg dataPckgFrom;

     // sends a message to fetch initial data.

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

 	SetEffectData(dataPckgFrom);

 	}

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

 // CBassBoostProxy::ApplyL

 // Apply the bassboost settings.

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

 //

 EXPORT_C void CBassBoostProxy::ApplyL()

 	{

 #ifdef _DEBUG

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

 #endif

 	if (iHaveUpdateRights )

 		{

 		iBassBoostData.iEnabled = iEnabled;

 		iBassBoostData.iEnforced = iEnforced;

 		iBassBoostData.iHaveUpdateRights = iHaveUpdateRights;

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

 		}

 	else

 		{

 		User::Leave(KErrAccessDenied);

 		}

 	}

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

 // CBassBoostProxy::StartObserver

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

 // from the message handler.

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

 //

 void CBassBoostProxy::StartObserver()

 	{

 #ifdef _DEBUG

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

 #endif

 	iBassBoostEventObserver->Start();

 	}

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

 // CBassBoostProxy::BassBoostEvent

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

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

 //

 void CBassBoostProxy::BassBoostEvent(

 	const TDesC8& aBuffer )

 	{

 #ifdef _DEBUG

     RDebug::Print(_L("CBassBoostProxy::BassBoostEvent"));

 #endif

 	TEfBassBoostDataPckg dataPckgFrom;

 	dataPckgFrom.Copy(aBuffer);

 	TEfBassBoostData newBassBoostData = dataPckgFrom();

 	TUint8 event = 0;

 	if ( newBassBoostData.iEnabled != iBassBoostData.iEnabled )

 		{

 		iBassBoostData.iEnabled = newBassBoostData.iEnabled;

 		iEnabled = newBassBoostData.iEnabled;

 		if ( iBassBoostData.iEnabled )

 			{

 			event = MAudioEffectObserver::KEnabled;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KDisabled;

 			}

 		}

 	else if ( newBassBoostData.iEnforced != iBassBoostData.iEnforced )

 		{

 		iBassBoostData.iEnforced = newBassBoostData.iEnforced;

 		iEnforced = newBassBoostData.iEnforced;

 		if ( iBassBoostData.iEnforced )

 			{

 			event = MAudioEffectObserver::KEnforced;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KNotEnforced;

 			}

 		}

 	else if ( newBassBoostData.iHaveUpdateRights != iBassBoostData.iHaveUpdateRights )

 		{

 		iBassBoostData.iHaveUpdateRights = newBassBoostData.iHaveUpdateRights;

 		iHaveUpdateRights = newBassBoostData.iHaveUpdateRights;

 		if ( iBassBoostData.iHaveUpdateRights )

 			{

 			event = MAudioEffectObserver::KGainedUpdateRights;

 			}

 		else

 			{

 			event = MAudioEffectObserver::KLostUpdateRights;

 			}

 		}

 	if (!event)

 		return;

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

 		{

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

 		}

 	}

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