// 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;

	}