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/*
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* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implementation of the Distance Attenuation proxy class
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*
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*/
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// INCLUDE FILES
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#ifdef _DEBUG
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#include <e32svr.h>
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#endif
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#include "DistanceAttenuationProxy.h"
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#include "DistanceAttenuationEventObserver.h"
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#include <CustomInterfaceUtility.h>
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::CDistanceAttenuationProxy
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CDistanceAttenuationProxy::CDistanceAttenuationProxy(
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TMMFMessageDestinationPckg aMessageHandler,
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MCustomCommand& aCustomCommand,
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CCustomInterfaceUtility* aCustomInterfaceUtility )
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: iCustomCommand(&aCustomCommand),
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iMessageHandler(aMessageHandler),
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iCustomInterfaceUtility(aCustomInterfaceUtility)
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{
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}
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// Destructor
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CDistanceAttenuationProxy::~CDistanceAttenuationProxy()
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{
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// Remove the custom interface message handler before we destroy the proxy.
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if(iCustomInterfaceUtility)
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iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
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delete iDistanceAttenuationEventObserver;
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delete iCustomInterfaceUtility;
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}
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::NewL
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// Static function for creating an instance of the Distance Attenuation object.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C CDistanceAttenuationProxy* CDistanceAttenuationProxy::NewL(
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TMMFMessageDestinationPckg aMessageHandler,
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MCustomCommand& aCustomCommand,
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CCustomInterfaceUtility* aCustomInterfaceUtility )
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{
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CDistanceAttenuationProxy* self = new (ELeave) CDistanceAttenuationProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::ConstructL
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// -----------------------------------------------------------------------------
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//
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void CDistanceAttenuationProxy::ConstructL()
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{
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#ifdef _DEBUG
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RDebug::Print(_L("CDistanceAttenuationProxy::ConstructL"));
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#endif
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iDistanceAttenuationEventObserver = CDistanceAttenuationEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
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StartObserver();
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// sends a message to fetch initial data.
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TEfDistanceAttenuationDataPckg dataPckgFrom;
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iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EDaefInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
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SetEffectData(dataPckgFrom);
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}
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::ApplyL
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// Apply the Distance Attenuation settings.
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void CDistanceAttenuationProxy::ApplyL()
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{
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#ifdef _DEBUG
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RDebug::Print(_L("CDistanceAttenuationProxy::Apply"));
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#endif
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if ( !iHaveUpdateRights )
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{
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User::Leave(KErrAccessDenied);
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}
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iDistanceAttenuationData.iEnabled = iEnabled;
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iDistanceAttenuationData.iEnforced = iEnforced;
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iDistanceAttenuationData.iHaveUpdateRights = iHaveUpdateRights;
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iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)EDaefApply, DoEffectData(), KNullDesC8);
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}
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::StartObserver
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// Starts the event observer. The event observer monitors asynchronous events
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// from the message handler.
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// -----------------------------------------------------------------------------
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//
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void CDistanceAttenuationProxy::StartObserver()
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{
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#ifdef _DEBUG
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RDebug::Print(_L("CDistanceAttenuationProxy::StartObserver"));
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#endif
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iDistanceAttenuationEventObserver->Start();
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}
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// -----------------------------------------------------------------------------
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// CDistanceAttenuationProxy::DistanceAttenuationEvent
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// Checks which data member has changed and notify the observers.
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// -----------------------------------------------------------------------------
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//
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void CDistanceAttenuationProxy::DistanceAttenuationEvent(
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const TDesC8& aBuffer )
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{
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#ifdef _DEBUG
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RDebug::Print(_L("CDistanceAttenuationProxy::DistanceAttenuationEvent"));
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#endif
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TEfDistanceAttenuationDataPckg dataPckgFrom;
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dataPckgFrom.Copy(aBuffer);
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TEfDistanceAttenuation newDistanceAttenuationData = dataPckgFrom();
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TUint8 event = 0;
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if ( newDistanceAttenuationData.iEnabled != iDistanceAttenuationData.iEnabled )
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{
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iDistanceAttenuationData.iEnabled = newDistanceAttenuationData.iEnabled;
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iEnabled = newDistanceAttenuationData.iEnabled;
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if ( iDistanceAttenuationData.iEnabled )
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{
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event = MAudioEffectObserver::KEnabled;
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}
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else
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{
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event = MAudioEffectObserver::KDisabled;
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}
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}
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else if ( newDistanceAttenuationData.iEnforced != iDistanceAttenuationData.iEnforced )
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{
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iDistanceAttenuationData.iEnforced = newDistanceAttenuationData.iEnforced;
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iEnforced = newDistanceAttenuationData.iEnforced;
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if ( iDistanceAttenuationData.iEnforced )
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{
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event = MAudioEffectObserver::KEnforced;
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}
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else
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{
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event = MAudioEffectObserver::KNotEnforced;
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}
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}
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else if ( newDistanceAttenuationData.iHaveUpdateRights != iDistanceAttenuationData.iHaveUpdateRights )
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{
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iDistanceAttenuationData.iHaveUpdateRights = newDistanceAttenuationData.iHaveUpdateRights;
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iHaveUpdateRights = newDistanceAttenuationData.iHaveUpdateRights;
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if ( iDistanceAttenuationData.iHaveUpdateRights )
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{
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event = MAudioEffectObserver::KGainedUpdateRights;
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}
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else
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{
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event = MAudioEffectObserver::KLostUpdateRights;
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}
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}
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else if ( newDistanceAttenuationData.iRMin != iDistanceAttenuationData.iRMin )
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{
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iDistanceAttenuationData.iRMin = newDistanceAttenuationData.iRMin;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iRMax != iDistanceAttenuationData.iRMax )
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{
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iDistanceAttenuationData.iRMax = newDistanceAttenuationData.iRMax;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iMuteAfterMax != iDistanceAttenuationData.iMuteAfterMax )
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{
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iDistanceAttenuationData.iMuteAfterMax = newDistanceAttenuationData.iMuteAfterMax;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iRollOffFactor != iDistanceAttenuationData.iRollOffFactor )
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{
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iDistanceAttenuationData.iRollOffFactor = newDistanceAttenuationData.iRollOffFactor;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iRoomRollOffFactor != iDistanceAttenuationData.iRoomRollOffFactor )
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{
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iDistanceAttenuationData.iRoomRollOffFactor = newDistanceAttenuationData.iRoomRollOffFactor;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iRollOffFactorMax != iDistanceAttenuationData.iRollOffFactorMax )
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{
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iDistanceAttenuationData.iRollOffFactorMax = newDistanceAttenuationData.iRollOffFactorMax;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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else if ( newDistanceAttenuationData.iRoomRollOffFactorMax != iDistanceAttenuationData.iRoomRollOffFactorMax )
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{
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iDistanceAttenuationData.iRoomRollOffFactorMax = newDistanceAttenuationData.iRoomRollOffFactorMax;
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event = MDistanceAttenuationObserver::KDistanceAttenuationChanged;
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}
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if (!event)
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return;
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for ( TInt i = 0; i < iObservers.Count(); i++ )
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{
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iObservers[i]->EffectChanged(this, event);
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}
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}
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// ========================== OTHER EXPORTED FUNCTIONS =========================
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// End of File
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