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 RoomLevel 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 "RoomLevelProxy.h"
sl@0: #include "RoomLevelEventObserver.h"
sl@0: #include <CustomInterfaceUtility.h>
sl@0: #include "EnvironmentalReverbProxy.h"
sl@0: 
sl@0: 
sl@0: // ============================ MEMBER FUNCTIONS ===============================
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::CRoomLevelProxy
sl@0: // C++ default constructor can NOT contain any code, that
sl@0: // might leave.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: CRoomLevelProxy::CRoomLevelProxy(
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: CRoomLevelProxy::~CRoomLevelProxy()
sl@0:   {
sl@0: 
sl@0:     // Remove the custom interface message handler before we destroy the proxy.
sl@0:     if (iClientReverb)
sl@0:        ((CEnvironmentalReverbProxy*)iClientReverb)->RoomLevelDetached(*this);
sl@0:     if (iCustomInterfaceUtility)
sl@0:         iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
sl@0:  	delete iRoomLevelEventObserver;
sl@0: 	delete iCustomInterfaceUtility;
sl@0: 
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::NewL
sl@0: // Static function for creating an instance of the Environmental RoomLevel object.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: EXPORT_C CRoomLevelProxy* CRoomLevelProxy::NewL(
sl@0: 	TMMFMessageDestinationPckg aMessageHandler,
sl@0:     MCustomCommand& aCustomCommand,
sl@0:     CCustomInterfaceUtility* aCustomInterfaceUtility )
sl@0:     {
sl@0:     CRoomLevelProxy* self = new (ELeave) CRoomLevelProxy(aMessageHandler, aCustomCommand, aCustomInterfaceUtility);
sl@0:     CleanupStack::PushL(self);
sl@0:     self->ConstructL();
sl@0:     CleanupStack::Pop(self);
sl@0:      
sl@0:     return self;
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::ConstructL
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CRoomLevelProxy::ConstructL()
sl@0:     {
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CRoomLevelProxy::ConstructL"));
sl@0: #endif
sl@0:     iRoomLevelEventObserver = CRoomLevelEventObserver::NewL(iMessageHandler, *iCustomCommand, *this);
sl@0:     StartObserver();
sl@0:     // sends a message to fetch initial data.
sl@0:     TEfRoomLevelDataPckg dataPckgFrom;
sl@0: 	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ERoomInitialize, KNullDesC8, KNullDesC8, dataPckgFrom);
sl@0: 	SetEffectData(dataPckgFrom);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::ApplyL
sl@0: // Apply the Environmental RoomLevel settings.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: EXPORT_C void CRoomLevelProxy::ApplyL()
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CRoomLevelProxy::Apply"));
sl@0: #endif
sl@0: 
sl@0: 	if ( !iHaveUpdateRights )
sl@0: 		{
sl@0: 		User::Leave(KErrAccessDenied);
sl@0: 		}
sl@0: 	
sl@0: 	iRoomLevelData.iEnabled = iEnabled;
sl@0: 	iRoomLevelData.iEnforced = iEnforced;
sl@0: 	iRoomLevelData.iHaveUpdateRights = iHaveUpdateRights;
sl@0: 	iCustomCommand->CustomCommandSync(iMessageHandler, (TInt)ERoomApply, DoEffectData(), KNullDesC8);
sl@0: 
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::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 CRoomLevelProxy::StartObserver()
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CRoomLevelProxy::StartObserver"));
sl@0: #endif
sl@0: 
sl@0: 	iRoomLevelEventObserver->Start();
sl@0: 	}
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::RoomLevelEvent
sl@0: // Checks which data member has changed and notify the observers.
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: void CRoomLevelProxy::RoomLevelEvent(
sl@0: 	const TDesC8& aBuffer )
sl@0: 	{
sl@0: #ifdef _DEBUG
sl@0:     RDebug::Print(_L("CRoomLevelProxy::RoomLevelEvent"));
sl@0: #endif
sl@0: 
sl@0: 	TEfRoomLevelDataPckg dataPckgFrom;
sl@0: 	dataPckgFrom.Copy(aBuffer);
sl@0: 	TEfRoomLevel newRoomLevelData = dataPckgFrom();  
sl@0: 
sl@0: 	TUint8 event = 0;
sl@0: 
sl@0: 	if ( newRoomLevelData.iEnabled != iRoomLevelData.iEnabled )
sl@0: 		{
sl@0: 		iRoomLevelData.iEnabled = newRoomLevelData.iEnabled;
sl@0: 		iEnabled = newRoomLevelData.iEnabled;
sl@0: 		if ( iRoomLevelData.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 ( newRoomLevelData.iEnforced != iRoomLevelData.iEnforced )
sl@0: 		{
sl@0: 		iRoomLevelData.iEnforced = newRoomLevelData.iEnforced;
sl@0: 		iEnforced = newRoomLevelData.iEnforced;
sl@0: 		if ( iRoomLevelData.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 ( newRoomLevelData.iHaveUpdateRights != iRoomLevelData.iHaveUpdateRights )
sl@0: 		{
sl@0: 		iRoomLevelData.iHaveUpdateRights = newRoomLevelData.iHaveUpdateRights;
sl@0: 		iHaveUpdateRights = newRoomLevelData.iHaveUpdateRights;
sl@0: 		if ( iRoomLevelData.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: 		
sl@0: 	else if ( newRoomLevelData.iEnvironmentalReverbId != iRoomLevelData.iEnvironmentalReverbId )
sl@0: 		{
sl@0: 		iRoomLevelData.iEnvironmentalReverbId = newRoomLevelData.iEnvironmentalReverbId;
sl@0: //		event = MRoomLevelObserver::KRoomLevelChanged;
sl@0: 		}
sl@0: 		
sl@0: 	else if ( newRoomLevelData.iStreamRoomLevel != iRoomLevelData.iStreamRoomLevel )
sl@0: 		{
sl@0: 		iRoomLevelData.iStreamRoomLevel = newRoomLevelData.iStreamRoomLevel;
sl@0: 		event = MRoomLevelObserver::KRoomLevelChanged;
sl@0: 		}
sl@0: 	else if ( newRoomLevelData.iStreamMinRoomLevel != iRoomLevelData.iStreamMinRoomLevel )
sl@0: 		{
sl@0: 		iRoomLevelData.iStreamMinRoomLevel = newRoomLevelData.iStreamMinRoomLevel;
sl@0: //		event = MRoomLevelObserver::KMinRoomLevelChanged;
sl@0: 		}
sl@0: 	else if ( newRoomLevelData.iStreamMaxRoomLevel != iRoomLevelData.iStreamMaxRoomLevel )
sl@0: 		{
sl@0: 		iRoomLevelData.iStreamMaxRoomLevel = newRoomLevelData.iStreamMaxRoomLevel;
sl@0: //		event = MRoomLevelObserver::KMinRoomLevelChanged;
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: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::AttachReverb
sl@0: // Set room level's reverb ID
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CRoomLevelProxy::AttachReverb(CEnvironmentalReverb& aReverb)
sl@0: {
sl@0: 	TInt err(KErrNone);
sl@0: 	iRoomLevelData.iEnvironmentalReverbId = ((CEnvironmentalReverbProxy&)aReverb).GetUniqueId();
sl@0:     TRAP(err,(((CEnvironmentalReverbProxy&)(aReverb)).RoomLevelAttached(*this)));
sl@0: 
sl@0:     return err;
sl@0: }
sl@0: 
sl@0: 
sl@0: 
sl@0: // -----------------------------------------------------------------------------
sl@0: // CRoomLevelProxy::DettachReverb
sl@0: // 
sl@0: // -----------------------------------------------------------------------------
sl@0: //
sl@0: TInt CRoomLevelProxy::DettachReverb(CEnvironmentalReverb& aReverb)
sl@0: {
sl@0:     TInt status(KErrNone);
sl@0:     iClientReverb = NULL;
sl@0:     if ( iCustomInterfaceUtility )
sl@0:         {
sl@0:         iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);
sl@0:         }
sl@0:     TRAP(status,(((CEnvironmentalReverbProxy&)(aReverb)).RoomLevelDetached(*this)));
sl@0:     return status;
sl@0: }
sl@0: 
sl@0: // ========================== OTHER EXPORTED FUNCTIONS =========================
sl@0: 
sl@0: // End of File
sl@0: 
sl@0: