// Copyright (c) 2007-2009 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:

 //

 #include <ecom/implementationproxy.h>

 #include <ecom/implementationproxy.h>

 #include <ecom/ecom.h>

 #include "gettimestampsci.h"

 class TPositionTimestamp

 	{

 public:

 	TTimeIntervalMicroSeconds iBufferPosition;

 	TTime iTimestamp;

 	};

 // MUX //

 /*****************************************************************************/

 TInt CMMFGetTimestampsMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	// attempt to open the interface link with the

 	// remote slave device

 	iRemoteHandle = -1;

 	TUid slaveId = {KMmfUidCustomInterfaceGetTimestampsDeMux};

 	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);

 	if (handle >= 0)

 		{

 		iRemoteHandle = handle;

 		}

 	return iRemoteHandle;

 	}

 /*****************************************************************************/

 void CMMFGetTimestampsMux::Release()

 	{

 	// close the slave device if it exists

 	if (iRemoteHandle > 0)

 		{

 		// we assume the slave is closed correctly

 		iUtility->CloseSlave(iRemoteHandle);

 		}

 	TUid key = iDestructorKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iDestructorKey = aDestructorKey;

 	}

 /*****************************************************************************/

 void CMMFGetTimestampsMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 /*****************************************************************************/	

 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFGetTimestampsMux::NewL()

 	{

 	CMMFGetTimestampsMux* self = new (ELeave) CMMFGetTimestampsMux;

 	return self;

 	}

 /*****************************************************************************/	

 TAny* CMMFGetTimestampsMux::CustomInterface(TUid /*aInterfaceId*/)

 	{

 	MMMFGetTimestamps* interface = this;

 	return interface;

 	}

 /*****************************************************************************/

 CMMFGetTimestampsMux::CMMFGetTimestampsMux() :

 	iRemoteHandle(-1)

 	{	

 	}

 /*****************************************************************************/

 CMMFGetTimestampsMux::~CMMFGetTimestampsMux()

 	{	

 	}

 /*****************************************************************************/

 // from MMMFGetTimestamps

 TInt CMMFGetTimestampsMux::MmgtSetRecordSystemTimestampsEnabled(TBool aEnable)

 	{

 	if (iRemoteHandle > 0)

 		{

 		// send the enable flag in the sync command

 		TPckgBuf<TBool> flag(aEnable);

 		// any return code other than zero is an error

 		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIGetTimestampsEnable, flag);

 		}

 	else

 		{

 		return KErrNotReady;

 		}

 	}

 TInt CMMFGetTimestampsMux::MmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition,

 															TTime& aTimestamp) const

 	{

 	TInt err = KErrNotReady;

 	if (iRemoteHandle > 0)

 		{

 		// send the position and timestamp in the sync command

 		TPositionTimestamp value;

 		value.iBufferPosition = aBufferPosition;

 		value.iTimestamp = aTimestamp;

 		TPckgBuf<TPositionTimestamp> pckgBuffer(value);

 		// any return code other than zero is an error

 		err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle, EMMFDevSoundCIGetTimestampsForBuffer, 

 													pckgBuffer, pckgBuffer);

 		aTimestamp = pckgBuffer().iTimestamp;

 		}

 	return err;

 	}

 // DEMUX //	

 /*****************************************************************************/

 TInt CMMFGetTimestampsDeMux::OpenInterface(TUid /*aInterfaceId*/)

 	{

 	return KErrNone;

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::Release()

 	{

 	TUid key = iDestructorKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iDestructorKey = aDestructorKey;

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

 	{

 	iTarget = aTarget;

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 /*****************************************************************************/

 void CMMFGetTimestampsDeMux::RefreshL()

 	{

 	// refetch the play back status custom interface if we already have a target

 	if (iTarget)

 		{

 		MMMFGetTimestamps* ptr = NULL;

 		ptr = static_cast <MMMFGetTimestamps*> (iTarget->CustomInterface(KUidGetTimestamps));

 		if (!ptr)

 			{

 			iInterfaceGetTimestamps = NULL;

 			User::Leave(KErrNotSupported);

 			}

 		else

 			{

 			iInterfaceGetTimestamps = ptr;

 			}	

 		}

 	}

 /*****************************************************************************/

 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFGetTimestampsDeMux::NewL()

 	{

 	CMMFGetTimestampsDeMux* self = new (ELeave) CMMFGetTimestampsDeMux;

 	return self;

 	}

 /*****************************************************************************/	

 CMMFGetTimestampsDeMux::CMMFGetTimestampsDeMux()

 	{	

 	}

 /*****************************************************************************/

 CMMFGetTimestampsDeMux::~CMMFGetTimestampsDeMux()

 	{

 	}

 /*****************************************************************************/

 TInt CMMFGetTimestampsDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)

 	{

 	// fetch the Playback status Hw Device custom interface

 	MMMFGetTimestamps* ptr = NULL;

 	ptr = static_cast<MMMFGetTimestamps*> (iTarget->CustomInterface(KUidGetTimestamps)); 

 	if (!ptr)

 		{

 		iInterfaceGetTimestamps = NULL;

 		User::Leave(KErrNotSupported);

 		}

 	else

 		{

 		iInterfaceGetTimestamps = ptr;

 		}

 	return KErrNone;

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::DoCloseSlaveL(TInt /*aHandle*/)

 	{

 	// nothing to do

 	}

 /*****************************************************************************/

 // original RMessage is supplied so that remote demux plugin can extract necessary details

 // using DeMux utility

 TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt retVal = KErrNone;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIGetTimestampsEnable:

 			{

 			TPckgBuf<TBool> flag; 

 			iUtility->ReadFromInputDesL(aMessage, &flag);

 			retVal = DoMmgtSetRecordSystemTimestampsEnabled(flag());

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return retVal;

 	}

 /*****************************************************************************/	

 TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt retVal = KErrNone;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIGetTimestampsForBuffer:

 			{

 			TPckgBuf<TPositionTimestamp> value; 

 			iUtility->ReadFromInputDesL(aMessage, &value);

 			retVal = DoMmgtGetSystemTimestampForBuffer(value().iBufferPosition, value().iTimestamp);

 			iUtility->WriteToOutputDesL(aMessage, value);

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return retVal;

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 /*****************************************************************************/	

 void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	// not used in this interface

 	}

 /*****************************************************************************/

 // Get Timestamp custom interface implementation

 TInt CMMFGetTimestampsDeMux::DoMmgtSetRecordSystemTimestampsEnabled(TBool aEnable)

 	{

 	if (!iInterfaceGetTimestamps)

 		{

 		return KErrNotReady;

 		}

 	else

 		{

 		return iInterfaceGetTimestamps->MmgtSetRecordSystemTimestampsEnabled(aEnable);

 		}	

 	}

 TInt CMMFGetTimestampsDeMux::DoMmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition,

 																TTime& aTimestamp)

 	{

 	if (!iInterfaceGetTimestamps)

 		{

 		return KErrNotReady;

 		}

 	else

 		{

 		return iInterfaceGetTimestamps->MmgtGetSystemTimestampForBuffer(aBufferPosition, aTimestamp);

 		}

 	}

 /*****************************************************************************/

 //

 // ImplementationTable

 //

 const TImplementationProxy ImplementationTable[] = 

 	{

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsMux, CMMFGetTimestampsMux::NewL),

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsDeMux, CMMFGetTimestampsDeMux::NewL),

 	};

 /*****************************************************************************/

 //

 // ImplementationGroupProxy

 //

 //

 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

 	{

 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);

 	return ImplementationTable;

 	}