sl@0: // Copyright (c) 2006-2009 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:
sl@0: //
sl@0: 
sl@0: #include "cmmfdevsoundcifileblocklengthimpluid.hrh"
sl@0: 
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <ecom/ecom.h>
sl@0: #include <s32mem.h>
sl@0: 
sl@0: #include "cmmfdevsoundcifileblocklength.h"
sl@0: 
sl@0: // __________________________________________________________________________
sl@0: // Implementation
sl@0: 
sl@0: // MUX //
sl@0: 
sl@0: TInt CMMFDevSoundCIFileBlockLengthMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	// attempt to open the interface link with the
sl@0: 	// remote slave device
sl@0: 	iRemoteHandle = -1;
sl@0: 	TUid slaveId = {KMmfUidCIFileBlockLengthDeMux};
sl@0: 		
sl@0: 	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
sl@0: 	if (handle >= 0)
sl@0: 		{
sl@0: 		iRemoteHandle = handle;
sl@0: 		}
sl@0: 		
sl@0: 	return iRemoteHandle;
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIFileBlockLengthMux::Release()
sl@0: 	{
sl@0: 	// close the slave device if it exists
sl@0: 	if (iRemoteHandle != -1)
sl@0: 		{
sl@0: 		// we assume the slave is closed correctly
sl@0: 		iUtility->CloseSlave(iRemoteHandle);
sl@0: 		}
sl@0: 	
sl@0: 	TUid key = iKey;
sl@0: 	delete this;
sl@0: 	
sl@0: 	// tell ECom to destroy us
sl@0: 	REComSession::DestroyedImplementation(key);
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIFileBlockLengthMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
sl@0: 	{
sl@0: 	// store a pointer to the utility
sl@0: 	iUtility = aCustomUtility;
sl@0: 	}
sl@0: 	
sl@0: MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDevSoundCIFileBlockLengthMux::NewL()
sl@0: 	{
sl@0: 	CMMFDevSoundCIFileBlockLengthMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 	
sl@0: TAny* CMMFDevSoundCIFileBlockLengthMux::CustomInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	MMMFDevSoundCustomInterfaceFileBlockLength* interface = this;
sl@0: 	return interface;
sl@0: 	}
sl@0: 	
sl@0: CMMFDevSoundCIFileBlockLengthMux::CMMFDevSoundCIFileBlockLengthMux() :
sl@0: 	iRemoteHandle(-1)
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: CMMFDevSoundCIFileBlockLengthMux::~CMMFDevSoundCIFileBlockLengthMux()
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: // from MMMFDevSoundCustomInterfaceFileBlockLength
sl@0: 
sl@0: void CMMFDevSoundCIFileBlockLengthMux::SetFileBlockLength(TUint aBlockAlign)
sl@0: 	{
sl@0: 	if (iRemoteHandle == -1)
sl@0: 		{
sl@0: 		return;
sl@0: 		}
sl@0: 	
sl@0: 	// send the BlockAlign in the sync command
sl@0: 	TPckgBuf<TUint> blockAlignBuffer(aBlockAlign);
sl@0: 	
sl@0: 	iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIBlockLengthSetFileBlockLength, blockAlignBuffer);
sl@0: 	}
sl@0: 
sl@0: // DEMUX //	
sl@0: 	
sl@0: 
sl@0: TInt CMMFDevSoundCIFileBlockLengthDeMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::Release()
sl@0: 	{
sl@0: 	TUid key = iKey;
sl@0: 	
sl@0: 	delete this;
sl@0: 	
sl@0: 	// tell ECom to destroy us
sl@0: 	REComSession::DestroyedImplementation(key);
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
sl@0: 	{
sl@0: 	iTarget = aTarget;
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
sl@0: 	{
sl@0: 	// store a pointer to the utility
sl@0: 	iUtility = aCustomUtility;
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::RefreshL()
sl@0: 	{
sl@0: 	// refetch the fileblocklength custom interface if we already have a target
sl@0: 	if (iTarget)
sl@0: 		{
sl@0: 		MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL;
sl@0: 		ptr = static_cast<MMMFDevSoundCustomInterfaceFileBlockLength*>(iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength));
sl@0: 	
sl@0: 		if (!ptr)
sl@0: 			{
sl@0: 			iFileBlockLengthInterface = NULL;
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			iFileBlockLengthInterface = ptr;
sl@0: 			}	
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDevSoundCIFileBlockLengthDeMux::NewL()
sl@0: 	{
sl@0: 	CMMFDevSoundCIFileBlockLengthDeMux* self = new (ELeave) CMMFDevSoundCIFileBlockLengthDeMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 	
sl@0: CMMFDevSoundCIFileBlockLengthDeMux::CMMFDevSoundCIFileBlockLengthDeMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CMMFDevSoundCIFileBlockLengthDeMux::~CMMFDevSoundCIFileBlockLengthDeMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDevSoundCIFileBlockLengthDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
sl@0: 	{
sl@0: 	// fetch the fileblocklength custom interface
sl@0: 	MMMFDevSoundCustomInterfaceFileBlockLength* ptr = NULL;
sl@0: 	ptr = static_cast <MMMFDevSoundCustomInterfaceFileBlockLength*> (iTarget->CustomInterface(KUidCustomInterfaceDevSoundFileBlockLength));
sl@0: 	
sl@0: 	if (!ptr)
sl@0: 		{
sl@0: 		iFileBlockLengthInterface = NULL;
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iFileBlockLengthInterface = ptr;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::DoCloseSlaveL(TInt /*aHandle*/)
sl@0: 	{
sl@0: 	// nothing to do
sl@0: 	}
sl@0: 
sl@0: // original RMessage is supplied so that remote demux plugin can extract necessary details
sl@0: // using DeMux utility
sl@0: TInt CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
sl@0: 	{
sl@0: 	TMMFDevSoundCIMessageData data;
sl@0: 	
sl@0: 	// decode message
sl@0: 	iUtility->GetSyncMessageDataL(aMessage, data);
sl@0: 	TInt retVal = -1;
sl@0: 	
sl@0: 	switch (data.iCommand)
sl@0: 		{
sl@0: 		case EMMFDevSoundCIBlockLengthSetFileBlockLength:
sl@0: 			{
sl@0: 			// we know that offset 2 contains a TInt
sl@0: 			TPckgBuf<TUint> blockAlignBuffer;
sl@0: 			iUtility->ReadFromInputDesL(aMessage, &blockAlignBuffer);
sl@0: 			
sl@0: 			DoSetFileBlockLengthL(blockAlignBuffer());
sl@0: 			retVal = KErrNone;
sl@0: 			break;
sl@0: 			}
sl@0: 	
sl@0: 		default:
sl@0: 			{
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 		
sl@0: 	return retVal;
sl@0: 	}
sl@0: 	
sl@0: TInt CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	return KErrNotSupported;
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 	
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 
sl@0: void CMMFDevSoundCIFileBlockLengthDeMux::DoSetFileBlockLengthL(TUint aBlockAlign)
sl@0: 	{
sl@0: 	if (!iFileBlockLengthInterface)
sl@0: 		{
sl@0: 		User::Leave(KErrNotReady);
sl@0: 		}
sl@0: 			
sl@0: 	// set the block length		
sl@0: 	iFileBlockLengthInterface->SetFileBlockLength(aBlockAlign);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: //
sl@0: // ImplementationTable
sl@0: //
sl@0: 
sl@0: const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthMux,	CMMFDevSoundCIFileBlockLengthMux::NewL),
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCIFileBlockLengthDeMux, CMMFDevSoundCIFileBlockLengthDeMux::NewL),
sl@0: 	};
sl@0: 
sl@0: 
sl@0: //
sl@0: // ImplementationGroupProxy
sl@0: //
sl@0: //
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 
sl@0: 	return ImplementationTable;
sl@0: 	}
sl@0: 
sl@0: #ifndef EKA2
sl@0: /** DLL Entry point */
sl@0: GLDEF_C TInt E32Dll(TDllReason /*aReason*/)
sl@0: 	{
sl@0: 	return(KErrNone);
sl@0: 	}
sl@0: #endif
sl@0: