--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/AudioEffects/ReverbEffectImpl.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,951 @@
+/*
+* 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:  Project file for EnhancedMediaClient Utility
+*
+*/
+
+
+#include "ReverbEffectImpl.h"
+#include <EnvironmentalReverbBase.h>
+#include <ControlObserver.h>
+
+using namespace multimedia;
+
+CReverbEffect::CReverbEffect()
+    {
+    // No Impl
+    }
+
+CReverbEffect::~CReverbEffect()
+    {
+	delete iPrevReverbProxy;
+	delete  iReverbProxy;
+	iObservers.Close();
+    }
+
+TInt CReverbEffect::PostConstructor()
+    {
+    TRAPD( status, CEffectControlBase::ConstructL(KUidEnvironmentalReverbEffect) );
+    return status;
+    }
+
+// From MControl begins
+TInt CReverbEffect::AddObserver( MControlObserver& aObserver )
+    {
+    return iObservers.Append(&aObserver);
+    }
+
+TInt CReverbEffect::RemoveObserver( MControlObserver& aObserver )
+    {
+	TInt index = iObservers.Find(&aObserver);
+	if( index != KErrNotFound )
+		{
+		iObservers.Remove(index);
+		}
+	return index;
+	}
+
+TUid CReverbEffect::Type()
+    {
+    return KReverbEffectControl;
+    }
+
+TControlType CReverbEffect::ControlType()
+    {
+	return EEffectControl;
+    }
+
+// From MControl ends
+
+// From MEffectControl begins
+TInt CReverbEffect::Apply()
+    {
+    return DoApply();
+    }
+
+// From MEffectControl ends
+
+TInt CReverbEffect::DoApply()
+    {
+    TInt error(KErrNone);    
+	if(iReverbProxy)
+		{
+		TRAP(error,iReverbProxy->ApplyL());	
+		}	
+	else
+		{
+		error = KErrNotReady;	
+		}			
+    return error;    
+    }
+
+/**
+* Gets the decay HF Ratio in hundredths
+* @since 5.0
+* @return decay HF Ratio
+*/
+TInt CReverbEffect::DecayHFRatio(TUint &aRatio)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aRatio = iReverbProxy->DecayHFRatio();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb decay HF Ratio minimum and maximum in hundredths.
+* @since 5.0
+* @param aMin Minimum decay HF Ratio
+* @param aMax Maximum decay HF Ratio
+*/
+TInt CReverbEffect::DecayHFRatioRange(TUint& aMin, TUint& aMax)
+	{
+	TInt status(KErrNone);
+	TUint32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->DecayHFRatioRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the decay time in milliseconds
+* @since 5.0
+* @return decay time
+*/
+TInt CReverbEffect::DecayTime(TUint &aDecayTime)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDecayTime = iReverbProxy->DecayTime();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the allowable reverb decay time range in milliseconds.
+* @since 5.0
+* @param aMin Minimum decay time in milliseconds
+* @param aMax Maximum decay time in milliseconds
+*/
+TInt CReverbEffect::DecayTimeRange(TUint& aMin, TUint& aMax)
+	{
+	TInt status(KErrNone);
+	TUint32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->DecayTimeRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the density current value as a percentage in hundredths
+* @since 5.0
+* @return density value
+*/
+TInt CReverbEffect::Density(TUint &aDensity)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDensity = iReverbProxy->Density();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the diffusion current value as a percentage in hundredths.
+* @since 5.0
+* @return diffusion value
+*/
+TInt CReverbEffect::Diffusion(TUint &aDiffusion)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDiffusion = iReverbProxy->Diffusion();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb reflections delay in ms.
+* @since 5.0
+* @return reverb reflections delay
+*/
+TInt CReverbEffect::ReflectionsDelay(TUint &aDelay)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDelay = iReverbProxy->ReflectionsDelay();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb reflections delay maximum in milliseconds.
+* @since 5.0
+* @return reverb reflections delay maximum
+*/
+TInt CReverbEffect::ReflectionsDelayMax(TUint &aDelayMax)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDelayMax = iReverbProxy->ReflectionsDelayMax();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb reflections level in mB
+* @since 5.0
+* @return Reverb reflections level
+*/
+TInt CReverbEffect::ReflectionsLevel(TInt &aLevel)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aLevel = iReverbProxy->ReflectionsLevel();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb reflections level maximum and minimum in mB
+* @since 5.0
+* @param aMin Minimum reflections level
+* @param aMax Maximum reflections level
+*/
+TInt CReverbEffect::ReflectionLevelRange( TInt& aMin, TInt& aMax )
+	{
+	TInt status(KErrNone);
+	TInt32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->ReflectionLevelRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb delay in milliseconds
+* @since 5.0
+* @return reverb delay
+*/
+TInt CReverbEffect::ReverbDelay(TUint &aDelay)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDelay = iReverbProxy->ReverbDelay();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb delay maximum in milliseconds
+* @since 5.0
+* @return reverb delay maximum
+*/
+TInt CReverbEffect::ReverbDelayMax(TUint &aDelayMax)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDelayMax = iReverbProxy->ReverbDelayMax();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb current level in mB
+* @since 5.0
+* @return reverb current level
+*/
+TInt CReverbEffect::ReverbLevel(TInt &aLevel)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aLevel = iReverbProxy->ReverbLevel();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the reverb current level maximum and minimum in mB
+* @since 5.0
+* @param aMin Minimum current level
+* @param aMax Maximum current level
+* @return -
+*/
+TInt CReverbEffect::ReverbLevelRange( TInt& aMin, TInt& aMax )
+	{
+	TInt status(KErrNone);
+	TInt32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->ReverbLevelRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the room HF level current ratio
+* @since 5.0
+* @return room HF level ratio
+*/
+TInt CReverbEffect::RoomHFLevel(TInt &aLevel)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aLevel = iReverbProxy->RoomHFLevel();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the room HF level maximum and minimum ratios
+* @since 5.0
+* @param aMin Minimum current room HF level
+* @param aMax Maximum current room HF level
+* @return -
+*/
+TInt CReverbEffect::RoomHFLevelRange( TInt& aMin, TInt& aMax )
+	{
+	TInt status(KErrNone);
+	TInt32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->RoomHFLevelRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the room level current value in mB
+* @since 5.0
+* @return room level value
+*/
+TInt CReverbEffect::RoomLevel(TInt &aLevel)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aLevel = iReverbProxy->RoomLevel();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the room level maximum and minimum in mB
+* @since 5.0
+* @param aMin Minimum current room level
+* @param aMax Maximum current room level
+* @return -
+*/
+TInt CReverbEffect::RoomLevelRange( TInt& aMin, TInt& aMax )
+	{
+	TInt status(KErrNone);
+	TInt32 min, max;
+	if(iReverbProxy)
+		{
+		iReverbProxy->RoomLevelRange(min,max);	
+		aMin = min;
+		aMax = max;
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the decay HF Ratio in hundredths
+* @since 5.0
+* @param aDecayHFRatio The decay high frequence ratio in hundredths
+* @return -
+*/
+TInt CReverbEffect::SetDecayHFRatio( TUint aDecayHFRatio )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetDecayHFRatioL(aDecayHFRatio));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the decay time in millisecond
+* @since 5.0
+* @param aDecayTime Decay time in ms
+*/
+TInt CReverbEffect::SetDecayTime( TUint aDecayTime )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetDecayTimeL(aDecayTime));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the density value as percentage in hundredths
+* @since 5.0
+* @param aDensity The density.
+*/
+TInt CReverbEffect::SetDensity( TUint aDensity )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetDensityL(aDensity));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the diffusion value as a percentage in hundredths
+* @since 5.0
+* @param aDiffusion The diffusion.
+*/
+TInt CReverbEffect::SetDiffusion( TUint aDiffusion )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetDiffusionL(aDiffusion));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the reverb reflections delay
+* @since 5.0
+* @param aRefectionsDelay The reflection delay in ms.
+*/
+TInt CReverbEffect::SetReflectionsDelay( TUint aReflectionsDelay )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetReflectionsDelayL(aReflectionsDelay));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the reverb reflections level in milli-dB
+* @since 5.0
+* @param aRefectionsLevel The reflection level in mB
+*/
+TInt CReverbEffect::SetReflectionsLevel( TInt aReflectionsLevel )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetReflectionsLevelL(aReflectionsLevel));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the reverb delay
+* @since 5.0
+* @param aReverbDelay The reverb delay in ms
+*/
+TInt CReverbEffect::SetReverbDelay( TUint aReverbDelay )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetReverbDelayL(aReverbDelay));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the reverb level
+* @since 5.0
+* @param aReverbLevel The reverb level in mB
+*/
+TInt CReverbEffect::SetReverbLevel( TInt aReverbLevel )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetReverbLevelL(aReverbLevel));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the room HF level ratio
+* @since 5.0
+* @param aRoomHFLevel The room high frequency ratio
+*/
+TInt CReverbEffect::SetRoomHFLevel( TInt aRoomHFLevel )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetRoomHFLevelL(aRoomHFLevel));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Sets the room level value in milli-dB
+* @since 5.0
+* @param aRoomLevel The room level
+*/
+TInt CReverbEffect::SetRoomLevel( TInt aRoomLevel )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->SetRoomLevelL(aRoomLevel));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Gets the total delay maximum in milliseconds
+* @since 5.0
+* @return reverb delay maximum
+*/
+TInt CReverbEffect::DelayMax(TUint &aDelayMax)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aDelayMax = iReverbProxy->DelayMax();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+
+
+
+// From MAudioEffectControl
+/**
+* Disable the effect
+* @since 5.0
+*/
+TInt CReverbEffect::Disable()
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->DisableL());	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;				
+	}
+
+/**
+* Enable the effect
+* @since 5.0
+*/
+TInt CReverbEffect::Enable()
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->EnableL());	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;					
+	}
+
+/**
+* Enforce the effect.
+* @since 5.0
+* @param aEnforced Indicate the effect is to be enforced or not. ETrue = Enforced.
+*/
+TInt CReverbEffect::Enforce( TBool &aEnforced )
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		TRAP(status,iReverbProxy->EnforceL(aEnforced));	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}					
+	return status;		
+	}
+
+/**
+* Check if this effect object currently has update rights.
+* A client can lose update rights in some hardware platforms where there are a limited
+* number of instances of an effect that can exist at the same time. When an effect instance
+* has lost update rights the user can still change settings, but any calls to Apply the
+* settings will be deferred until update rights are regained.
+* @since 5.0
+* @return ETrue if this object currently has rights to update the settings of this effect,
+*         EFalse otherwise.
+*/
+TInt CReverbEffect::HaveUpdateRights(TBool &aHaveUpdateRights)
+	{
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aHaveUpdateRights = iReverbProxy->HaveUpdateRights();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;	
+	}
+
+/**
+* Check if the effect is enabled
+* @since 5.0
+* @return ETrue if the effect is enabled, EFalse if the effect is disabled.
+*/
+TInt CReverbEffect::IsEnabled(TBool &aEnabled)
+	{		
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aEnabled = iReverbProxy->IsEnabled();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;			
+	}
+
+/**
+* Check if the effect is enforced.
+* @since 5.0
+* @return ETrue if the effect is enforced, EFalse if the effect isn ot enforced.
+*/
+TInt CReverbEffect::IsEnforced(TBool &aEnforced)
+	{		
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aEnforced = iReverbProxy->IsEnforced();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;			
+	}
+
+/*
+* Get the unique identifier of the audio effect
+* @since 5.0
+* @return Unique identifier of the audio effect object.
+*/
+TInt CReverbEffect::Uid(TUid &aUid)
+	{		
+	TInt status(KErrNone);
+	if(iReverbProxy)
+		{
+		aUid = iReverbProxy->Uid();	
+		}	
+	else
+		{
+		status = KErrNotReady;	
+		}			
+	return status;			
+	}
+// From MAudioEffectControl Ends
+
+
+// From CEffectControlBase begins
+void CReverbEffect::Event( TEffectControlEvent aEvent )
+    {
+	TInt status(KErrNone);    	
+    // Controller Loaded with ECIBuilderCreated
+    if ( aEvent == ECIBuilderCreated )
+        {
+    	RDebug::Print(_L("Deleting Proxy"));	
+		status = DeleteEffectProxy();
+		RDebug::Print(_L("Deleting Proxy [%d]"),status);	
+		status = CreateEffectProxy();	
+		RDebug::Print(_L("Creating Proxy [%d]"),status);	
+		if(status == KErrNone)
+			{
+			SavePreviousSettings();	
+			}
+		else
+			{
+			for ( TInt i = 0; i < iObservers.Count(); i++ )
+				{
+				iObservers[i]->Event(this,MAudioEffectControl::KDisabled,NULL);
+				} 		
+			}	
+        }
+    else if ( aEvent == EMessageHandlerDeleted )
+        {
+        if(status == KErrNone)
+        	{
+        	DeleteEffectProxy();	
+        	}
+        }
+    }
+
+// From CEffectControlBase ends
+TInt CReverbEffect::GetCEnvironmentalReverb( CEnvironmentalReverb*& aOutEnvRev )
+    {
+    TInt status(KErrNotFound);
+    if ( iReverbProxy )
+        {
+        aOutEnvRev = iReverbProxy;
+        status = KErrNone;
+        }
+    return status;
+    }
+
+TInt CReverbEffect::CreateEffectProxy()
+	{
+	TInt status(KErrNone);
+	status = GetMessageHandle(iMsgHndlrHandlePckg);
+	if(status != KErrNone)
+		{
+		return status;	
+		}
+	iCustomCommand = GetCustomCommand();		
+	if(!iCustomCommand)
+		{
+		return KErrNotReady;	
+		}
+
+	TRAP(status,iReverbProxy = CEnvironmentalReverbProxy::NewL(iMsgHndlrHandlePckg, *iCustomCommand, NULL));
+	if(status == KErrNone)
+		{
+		TRAP(status,iReverbProxy->RegisterObserverL(*this));	
+		}		
+
+	return status;
+	}
+
+TInt CReverbEffect::DeleteEffectProxy()
+	{
+	TInt status(KErrNone);	
+	if(iReverbProxy)
+		{
+		iPrevReverbProxy = iReverbProxy;	
+		}
+	iReverbProxy = NULL;	
+	return status;
+	}
+
+TInt CReverbEffect::SavePreviousSettings()
+	{
+	TInt status(KErrNone);	
+	if(iPrevReverbProxy)
+		{
+		TInt decayRatio = iPrevReverbProxy->DecayHFRatio();
+		TRAP(status , iReverbProxy->SetDecayHFRatioL(decayRatio));	
+
+		TInt decayTime = iPrevReverbProxy->DecayTime();
+		TRAP(status , iReverbProxy->SetDecayTimeL(decayTime));	
+
+		TInt density = iPrevReverbProxy->Density();
+		TRAP(status , iReverbProxy->SetDensityL(density));	
+
+		TInt diffusion = iPrevReverbProxy->Diffusion();
+		TRAP(status , iReverbProxy->SetDiffusionL(diffusion));	
+
+		TInt refDelay = iPrevReverbProxy->ReflectionsDelay();
+		TRAP(status , iReverbProxy->SetReflectionsDelayL(refDelay));	
+
+		TInt refLevel = iPrevReverbProxy->ReflectionsLevel();
+		TRAP(status , iReverbProxy->SetReflectionsLevelL(refLevel));	
+
+		TInt reverbDelay = iPrevReverbProxy->ReverbDelay();
+		TRAP(status , iReverbProxy->SetReverbDelayL(reverbDelay));	
+
+		TInt reverbLevel = iPrevReverbProxy->ReverbLevel();
+		TRAP(status , iReverbProxy->SetReverbLevelL(reverbLevel));	
+
+		TInt roomHfLevel = iPrevReverbProxy->RoomHFLevel();
+		TRAP(status , iReverbProxy->SetRoomHFLevelL(roomHfLevel));	
+
+		TInt roomLevel = iPrevReverbProxy->RoomLevel();
+		TRAP(status , iReverbProxy->SetRoomLevelL(roomLevel));	
+
+		TBool enforce = iPrevReverbProxy->IsEnforced();
+		iReverbProxy->EnforceL(enforce);	
+
+		TBool enable = iPrevReverbProxy->IsEnabled();
+		if(enable)
+			{
+			iReverbProxy->EnableL();	
+			}
+
+		delete iPrevReverbProxy;
+		iPrevReverbProxy = NULL;
+		}				
+	return status;	
+	}
+
+ void CReverbEffect::EffectChanged( const CAudioEffect* /*aObservedEffect*/, TUint8 aEvent )
+ 	{
+	for ( TInt i = 0; i < iObservers.Count(); i++ )
+		{
+		iObservers[i]->Event(this,aEvent,NULL);
+		} 		
+ 	}
+
+// End of file