sl@0: /*
sl@0: * Copyright (c) 2005-2006 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:   CustomInterface Builder
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <CustomInterfaceBuilder.h>
sl@0: #include <sounddevice.h>
sl@0: #include <MessageHandlerFactory.h>
sl@0: #include "AdaptationCustomInterfaceBuilder.h"
sl@0: #include "CustomInterfaceBuilderTypes.h"
sl@0: 
sl@0: #include "RestrictedAudioOutputMessageHandler.h"
sl@0: #include "AudioOutputMessageTypes.h"
sl@0: 
sl@0: const TUid KUidCustomInterfaceBuilderImpl = {0x10207A8E};
sl@0: 
sl@0: EXPORT_C CCustomInterfaceBuilder* CCustomInterfaceBuilder::NewL(CMMFObjectContainer& aObjectContainer,
sl@0:                                                                 CMMFDevSound&        aDevSound)
sl@0: 	{
sl@0: 	CCustomInterfaceBuilder* self = new(ELeave) CCustomInterfaceBuilder(aObjectContainer,
sl@0: 	                                                                    aDevSound);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CCustomInterfaceBuilder* CCustomInterfaceBuilder::NewL(CMMFObjectContainer& aObjectContainer,
sl@0:                                                                 MCustomInterface& aCustomInterface)
sl@0: 	{
sl@0: 	CCustomInterfaceBuilder* self = new(ELeave) CCustomInterfaceBuilder(aObjectContainer,
sl@0: 	                                                                    aCustomInterface);
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: CCustomInterfaceBuilder::CCustomInterfaceBuilder(CMMFObjectContainer& aObjectContainer,
sl@0:                                                  CMMFDevSound&        aDevSound) :
sl@0:     CMMFObject(KUidCustomInterfaceBuilderImpl),
sl@0:     iDevSound(&aDevSound),
sl@0: 	iObjectContainer(aObjectContainer),
sl@0: 	iSecureCustomInterfaces(EFalse)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CCustomInterfaceBuilder::CCustomInterfaceBuilder(CMMFObjectContainer& aObjectContainer,
sl@0:                                                  MCustomInterface& aCustomInterface) :
sl@0:     CMMFObject(KUidCustomInterfaceBuilderImpl),
sl@0: 	iCustomInterface(&aCustomInterface),
sl@0: 	iObjectContainer(aObjectContainer),
sl@0: 	iSecureCustomInterfaces(EFalse)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CCustomInterfaceBuilder::ConstructL()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CCustomInterfaceBuilder::~CCustomInterfaceBuilder()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CCustomInterfaceBuilder::HandleRequest(TMMFMessage& aMessage)
sl@0: 	{
sl@0: 	ASSERT(aMessage.Destination().InterfaceId() == KUidCustomInterfaceBuilderImpl);
sl@0: 	TRAPD(error,DoHandleRequestL(aMessage));
sl@0: 	if(error)
sl@0: 		{
sl@0: 		aMessage.Complete(error);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CCustomInterfaceBuilder::DoHandleRequestL(TMMFMessage& aMessage)
sl@0: 	{
sl@0: 	switch( aMessage.Function() )
sl@0: 		{
sl@0: 		case ECibBuild:
sl@0: 			DoBuildL(aMessage);
sl@0: 			break;
sl@0: 		case ECibRemove:
sl@0: 			DoRemoveL(aMessage);
sl@0: 			break;
sl@0: 
sl@0: 		default:
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 
sl@0: 		}
sl@0: 
sl@0: 	}
sl@0: 
sl@0: void CCustomInterfaceBuilder::DoBuildL(TMMFMessage& aMessage)
sl@0: 	{
sl@0: 	TPckgBuf<TUid> uidPckg;
sl@0: 	aMessage.ReadData1FromClientL(uidPckg);
sl@0: 	TUid interfaceId = uidPckg();
sl@0: 	//only KUidRestrictedAudioOutput is blocked here. 
sl@0:     //KUidAudioOutput will be blocked in messageHandler for specific commands.
sl@0: 	if( iSecureCustomInterfaces && interfaceId==KUidRestrictedAudioOutput )
sl@0: 	    {
sl@0: 	    User::Leave( KErrNotSupported );
sl@0: 	    }
sl@0: 
sl@0: 	TMMFMessageDestination handle;
sl@0: 	
sl@0: 	TAny* customInterface = GetCustomInterfaceL(interfaceId);
sl@0: 	if(customInterface)
sl@0: 		{
sl@0: 		CMMFObject* messageHandler = CMessageHandlerFactory::Create(interfaceId, customInterface,iObjectContainer);
sl@0: 		if(messageHandler)
sl@0: 			{
sl@0: 			iObjectContainer.AddMMFObject(*messageHandler);
sl@0: 			handle = messageHandler->Handle();
sl@0: 			}
sl@0: 		}
sl@0: 	TMMFMessageDestinationPckg handlePckg(handle);
sl@0: 	aMessage.WriteDataToClient(handlePckg);
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 	}
sl@0: 	
sl@0: void CCustomInterfaceBuilder::DoRemoveL(TMMFMessage& aMessage)
sl@0: 	{
sl@0: 	TMMFMessageDestinationPckg handlePckg;
sl@0: 	aMessage.ReadData1FromClientL(handlePckg);
sl@0: 
sl@0: 	CMMFObject* messageHandler = NULL;
sl@0: 
sl@0: 	if ( iObjectContainer.FindMMFObject(handlePckg(), messageHandler) == KErrNone )
sl@0: 		{
sl@0: 		iObjectContainer.RemoveAndDestroyMMFObject(*messageHandler);
sl@0: 		}
sl@0: 	aMessage.Complete(KErrNone);
sl@0: 		
sl@0: 
sl@0: 	}
sl@0: 
sl@0: TAny* CCustomInterfaceBuilder::GetCustomInterfaceL(TUid aInterfaceId)
sl@0: 	{
sl@0: 	TAny* customInterface = NULL;
sl@0:     if (iDevSound)
sl@0:         {
sl@0:         customInterface = iDevSound->CustomInterface(aInterfaceId);
sl@0:         }
sl@0:     else if (iCustomInterface)
sl@0:         {
sl@0:         customInterface = iCustomInterface->CustomInterface(aInterfaceId);
sl@0:         }
sl@0: 	return customInterface;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CCustomInterfaceBuilder::SetSecureCustomInterfaces( const TBool aSecure )
sl@0:     {
sl@0:     iSecureCustomInterfaces = aSecure;
sl@0:     }