sl@0: /*
sl@0: * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies). 
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description:   Implementation of the Environmental Reverb proxy class
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: 
sl@0: 
sl@0: // INCLUDE FILES
sl@0: 
sl@0: #ifdef _DEBUG
sl@0: #include <e32svr.h>
sl@0: #endif
sl@0: 
sl@0: #include "EnvironmentalReverbProxy.h"
sl@0: #include "EnvironmentalReverbEventObserver.h"
sl@0: #include "RoomLevelProxy.h"
sl@0: #include <CustomInterfaceUtility.h>
sl@0: 
sl@0: 
sl@0: 
sl@0: // ============================ MEMBER FUNCTIONS ===============================
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::CEnvironmentalReverbProxy
sl@0: // C++ default constructor can NOT contain any code, that
sl@0: // might leave.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: CEnvironmentalReverbProxy::CEnvironmentalReverbProxy(
sl@0: 	TMMFMessageDestinationPckg aMessageHandler,
sl@0: 	MCustomCommand& aCustomCommand,
sl@0: 	CCustomInterfaceUtility* aCustomInterfaceUtility )
sl@0: 	: 	iCustomCommand(&aCustomCommand),
sl@0: 		iMessageHandler(aMessageHandler),
sl@0: 		iCustomInterfaceUtility(aCustomInterfaceUtility)
sl@0: 
sl@0:     {
sl@0:     }
sl@0: 
sl@0: // Destructor
sl@0: CEnvironmentalReverbProxy::~CEnvironmentalReverbProxy()
sl@0:     {
sl@0:     // Remove the custom interface message handler before we destroy the proxy.
sl@0:     
sl@0:     TInt numOfRoomLevel = iCRoomLevelProxyList.Count();
sl@0:     if (numOfRoomLevel > 0)
sl@0:     {
sl@0:     	for (TInt i = 0; i < numOfRoomLevel; ++i)
sl@0:     	{
sl@0:     	iCRoomLevelProxyList[i]->DettachReverb(*this);
sl@0:     	}
sl@0:     };
sl@0:     iCRoomLevelProxyList.Close();
sl@0:     if(iCustomInterfaceUtility)
sl@0:         iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
sl@0: 	delete iEnvironmentalReverbEventObserver;
sl@0: 	delete iCustomInterfaceUtility;
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::NewL
sl@0: // Static function for creating an instance of the Environmental Reverb object.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: EXPORT_C CEnvironmentalReverbProxy* CEnvironmentalReverbProxy::NewL(
sl@0: 	TMMFMessageDestinationPckg aMessageHandler,
sl@0:     MCustomCommand& aCustomCommand,
sl@0:     CCustomInterfaceUtility* aCustomInterfaceUtility )
sl@0:     {
sl@0:     CEnvironmentalReverbProxy* self = new (ELeave) CEnvironmentalReverbProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
sl@0:     CleanupStack::PushL(self);
sl@0:     self->ConstructL();
sl@0:     CleanupStack::Pop(self);
sl@0:     return self;
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::ConstructL
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CEnvironmentalReverbProxy::ConstructL()
sl@0:     {
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CEnvironmentalReverbProxy::ConstructL"));
sl@0: #endif
sl@0:     iEnvironmentalReverbEventObserver = CEnvironmentalReverbEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
sl@0:     StartObserver();
sl@0:     // sends a message to fetch initial data.
sl@0:     TEfEnvReverbDataPckg dataPckgFrom;
sl@0: 	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EErfInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
sl@0: 	SetEffectData(dataPckgFrom);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::GetUniqueId
sl@0: // return a TInt 32 integer
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TUint32 CEnvironmentalReverbProxy::GetUniqueId() const
sl@0: 	{
sl@0: 		return iReverbData.iEnvironmentalReverbId;
sl@0:      }
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::AttachRoomLevel
sl@0: // Add the reference of aProxy to array
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CEnvironmentalReverbProxy::RoomLevelAttached(CRoomLevelProxy& aProxy)
sl@0: 	{   
sl@0: 	 
sl@0: 	    TInt error = iCRoomLevelProxyList.Find(&aProxy);
sl@0: 	    if (error == KErrNotFound)
sl@0: 	    {
sl@0: 	      error = iCRoomLevelProxyList.Append(&aProxy);
sl@0: 	    }
sl@0: 
sl@0: 	    
sl@0: 	    return error;
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbImpl::DetachRoomLevel
sl@0: // Remove the reference of aProxy from array
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CEnvironmentalReverbProxy::RoomLevelDetached(CRoomLevelProxy& aProxy)
sl@0: 	{
sl@0: 	   TInt found = iCRoomLevelProxyList.Find(&aProxy);
sl@0: 	   if (found != KErrNotFound)
sl@0: 	   {
sl@0: 	   	 iCRoomLevelProxyList.Remove(found);				
sl@0: 	     found = KErrNone;
sl@0: 	   }
sl@0: 	   return found;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::ApplyL
sl@0: // Apply the Environmental Reverb settings.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: EXPORT_C void CEnvironmentalReverbProxy::ApplyL()
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CEnvironmentalReverbProxy::Apply"));
sl@0: #endif
sl@0: 
sl@0: 	if ( !iHaveUpdateRights )
sl@0: 		{
sl@0: 		User::Leave(KErrAccessDenied);
sl@0: 		}
sl@0: 
sl@0: 	iReverbData.iEnabled = iEnabled;
sl@0: 	iReverbData.iEnforced = iEnforced;
sl@0: 	iReverbData.iHaveUpdateRights = iHaveUpdateRights;
sl@0: 	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EErfApply, DoEffectData(), KNullDesC8);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::StartObserver
sl@0: // Starts the event observer. The event observer monitors asynchronous events
sl@0: // from the message handler.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CEnvironmentalReverbProxy::StartObserver()
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CEnvironmentalReverbProxy::StartObserver"));
sl@0: #endif
sl@0: 
sl@0: 	iEnvironmentalReverbEventObserver->Start();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CEnvironmentalReverbProxy::EnvironmentalReverbEvent
sl@0: // Checks which data member has changed and notify the observers.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CEnvironmentalReverbProxy::EnvironmentalReverbEvent(
sl@0: 	const TDesC8& aBuffer )
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CEnvironmentalReverbProxy::EnvironmentalReverbEvent"));
sl@0: #endif
sl@0: 
sl@0: 	TEfEnvReverbDataPckg dataPckgFrom;
sl@0: 	dataPckgFrom.Copy(aBuffer);
sl@0: 	TEfEnvironmentalReverb newReverbData = dataPckgFrom();
sl@0: 
sl@0: 	TUint8 event = 0;
sl@0: 
sl@0: 	if ( newReverbData.iEnabled != iReverbData.iEnabled )
sl@0: 		{
sl@0: 		iReverbData.iEnabled = newReverbData.iEnabled;
sl@0: 		iEnabled = newReverbData.iEnabled;
sl@0: 		if ( iReverbData.iEnabled )
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KEnabled;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KDisabled;
sl@0: 			}
sl@0: 		}
sl@0: 	else if ( newReverbData.iEnforced != iReverbData.iEnforced )
sl@0: 		{
sl@0: 		iReverbData.iEnforced = newReverbData.iEnforced;
sl@0: 		iEnforced = newReverbData.iEnforced;
sl@0: 		if ( iReverbData.iEnforced )
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KEnforced;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KNotEnforced;
sl@0: 			}
sl@0: 		}
sl@0: 	else if ( newReverbData.iHaveUpdateRights != iReverbData.iHaveUpdateRights )
sl@0: 		{
sl@0: 		iReverbData.iHaveUpdateRights = newReverbData.iHaveUpdateRights;
sl@0: 		iHaveUpdateRights = newReverbData.iHaveUpdateRights;
sl@0: 		if ( iReverbData.iHaveUpdateRights )
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KGainedUpdateRights;
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			event = MAudioEffectObserver::KLostUpdateRights;
sl@0: 			}
sl@0: 		}
sl@0: 	else if ( newReverbData.iDecayTime != iReverbData.iDecayTime )
sl@0: 		{
sl@0: 		iReverbData.iDecayTime = newReverbData.iDecayTime;
sl@0: 		event = MEnvironmentalReverbObserver::KDecayTimeChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iDecayHFRatio != iReverbData.iDecayHFRatio )
sl@0: 		{
sl@0: 		iReverbData.iDecayHFRatio = newReverbData.iDecayHFRatio;
sl@0: 		event = MEnvironmentalReverbObserver::KDecayHFRatioChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iDensity != iReverbData.iDensity )
sl@0: 		{
sl@0: 		iReverbData.iDensity = newReverbData.iDensity;
sl@0: 		event = MEnvironmentalReverbObserver::KDensityChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iDiffusion != iReverbData.iDiffusion )
sl@0: 		{
sl@0: 		iReverbData.iDiffusion = newReverbData.iDiffusion;
sl@0: 		event = MEnvironmentalReverbObserver::KDiffusionChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iReflectionsDelay != iReverbData.iReflectionsDelay )
sl@0: 		{
sl@0: 		iReverbData.iReflectionsDelay = newReverbData.iReflectionsDelay;
sl@0: 		event = MEnvironmentalReverbObserver::KReflectionsDelayChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iReflectionsLevel != iReverbData.iReflectionsLevel )
sl@0: 		{
sl@0: 		iReverbData.iReflectionsLevel = newReverbData.iReflectionsLevel;
sl@0: 		event = MEnvironmentalReverbObserver::KReflectionsLevelChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iReverbDelay != iReverbData.iReverbDelay )
sl@0: 		{
sl@0: 		iReverbData.iReverbDelay = newReverbData.iReverbDelay;
sl@0: 		event = MEnvironmentalReverbObserver::KReverbDelayChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iReverbLevel != iReverbData.iReverbLevel )
sl@0: 		{
sl@0: 		iReverbData.iReverbLevel = newReverbData.iReverbLevel;
sl@0: 		event = MEnvironmentalReverbObserver::KReverbLevelChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iRoomLevel != iReverbData.iRoomLevel )
sl@0: 		{
sl@0: 		iReverbData.iRoomLevel = newReverbData.iRoomLevel;
sl@0: 		event = MEnvironmentalReverbObserver::KRoomLevelChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iRoomHFLevel != iReverbData.iRoomHFLevel )
sl@0: 		{
sl@0: 		iReverbData.iRoomHFLevel = newReverbData.iRoomHFLevel;
sl@0: 		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;
sl@0: 		}
sl@0: 	else if ( newReverbData.iEnvironmentalReverbId != iReverbData.iEnvironmentalReverbId )
sl@0: 		{
sl@0: 		iReverbData.iEnvironmentalReverbId = newReverbData.iEnvironmentalReverbId;
sl@0: //		event = MEnvironmentalReverbObserver::KRoomHFLevelChanged;
sl@0: 		}
sl@0: 
sl@0: 
sl@0: 
sl@0: 	if (!event)
sl@0: 		return;
sl@0: 
sl@0: 	for ( TInt i = 0; i < iObservers.Count(); i++ )
sl@0: 		{
sl@0: 		iObservers[i]->EffectChanged(this, event);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // ========================== OTHER EXPORTED FUNCTIONS =========================
sl@0: 
sl@0: // End of File
sl@0: 
sl@0: