// 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 "playbackstatusci.h"

// MUX //

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

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

	{

	// attempt to open the interface link with the

	// remote slave device

	iRemoteHandle = -1;

	TUid slaveId = {KMmfUidCustomInterfacePlayBackStatusDeMux};

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

	if (handle >= 0)

		{

		iRemoteHandle = handle;

		}

	return iRemoteHandle;

	}

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

void CMMFPlayBackStatusMux::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 CMMFPlayBackStatusMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iDestructorKey = aDestructorKey;

	}

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

void CMMFPlayBackStatusMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

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

MMMFDevSoundCustomInterfaceMuxPlugin* CMMFPlayBackStatusMux::NewL()

	{

	CMMFPlayBackStatusMux* self = new (ELeave) CMMFPlayBackStatusMux;

	return self;

	}

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

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

	{

	MMMFPlaybackStatus* interface = this;

	return interface;

	}

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

CMMFPlayBackStatusMux::CMMFPlayBackStatusMux() :

	iRemoteHandle(-1)

	{	

	}

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

CMMFPlayBackStatusMux::~CMMFPlayBackStatusMux()

	{	

	}

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

// from MMMFPlaybackStatus

TInt CMMFPlayBackStatusMux::MmpsGetPlaybackStatusInformation(TMMFPlaybackStatus& aStatus)

	{

	TInt err = KErrNone;

	if (iRemoteHandle > 0)

		{

		// send the status in the sync command

		TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status(aStatus);

		TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> retStatus;

		// any return code other than zero is an error

		err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle, 

													EMMFDevSoundCIPlayBackStatus, 

													status,

													retStatus);

		// assign return values to aStatus. Do nothing if there is an error

		if(err == KErrNone)

			{

			aStatus = retStatus();

			}

		}

	return err;

	}

TInt CMMFPlayBackStatusMux::MmpsRequestLossOfSyncNotification()

	{

	TInt err = KErrNone;

	if (iRemoteHandle > 0)

		{

		// any return code other than zero is an error

		err = iUtility->SendSlaveSyncCommand(iRemoteHandle, 

												EMMFDevSoundCIPlayBackStatusReqSyncLossNotification, 

												KNullDesC8);

		}

	return err;

	}

TInt CMMFPlayBackStatusMux::MmpsCancelLossOfSyncNotification()

	{

	TInt err = KErrNone;

	if (iRemoteHandle > 0)

		{

		// any return code other than zero is an error

		err = iUtility->SendSlaveSyncCommand(iRemoteHandle, 

												EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification, 

												KNullDesC8);

		}

	return err;

	}

// DEMUX //	

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

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

	{

	return KErrNone;

	}

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

void CMMFPlayBackStatusDeMux::Release()

	{

	TUid key = iDestructorKey;

	delete this;

	// tell ECom to destroy us

	REComSession::DestroyedImplementation(key);

	}

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

void CMMFPlayBackStatusDeMux::PassDestructorKey(TUid aDestructorKey)

	{

	// store the destructor key

	iDestructorKey = aDestructorKey;

	}

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

void CMMFPlayBackStatusDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

	{

	iTarget = aTarget;

	}

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

void CMMFPlayBackStatusDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

	{

	// store a pointer to the utility

	iUtility = aCustomUtility;

	}

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

void CMMFPlayBackStatusDeMux::RefreshL()

	{

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

	if (iTarget)

		{

		iInterfacePlayBackStatus = static_cast<MMMFPlaybackStatus*>(iTarget->

																	CustomInterface(KUidPlaybackStatus));

		if (!iInterfacePlayBackStatus)

			{

			User::Leave(KErrNotSupported);

			}

		}

	}

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

MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFPlayBackStatusDeMux::NewL()

	{

	CMMFPlayBackStatusDeMux* self = new (ELeave) CMMFPlayBackStatusDeMux;

	return self;

	}

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

CMMFPlayBackStatusDeMux::CMMFPlayBackStatusDeMux()

	{	

	}

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

CMMFPlayBackStatusDeMux::~CMMFPlayBackStatusDeMux()

	{

	}

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

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

	{

	// fetch the Playback status Hw Device custom interface

	MMMFPlaybackStatus* ptr = NULL;

	ptr = static_cast<MMMFPlaybackStatus*> (iTarget->CustomInterface(KUidPlaybackStatus)); 

	if (!ptr)

		{

		iInterfacePlayBackStatus = NULL;

		User::Leave(KErrNotSupported);

		}

	else

		{

		iInterfacePlayBackStatus = ptr;

		}

	return KErrNone;

	}

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

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

	{

	// nothing to do

	}

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

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

// using DeMux utility

TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	iUtility->GetSyncMessageDataL(aMessage, data);

	TInt err = KErrNone;

	switch(data.iCommand)

		{

		case EMMFDevSoundCIPlayBackStatusReqSyncLossNotification:

			{

			err = DoMmpsRequestLossOfSyncNotification();

			break;

			}

		case EMMFDevSoundCIPlayBackStatusCancelSyncLossNotification:

			{

			err = DoMmpsCancelLossOfSyncNotification();

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return err;

	}

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

TInt CMMFPlayBackStatusDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)

	{

	TMMFDevSoundCIMessageData data;

	// decode message

	iUtility->GetSyncMessageDataL(aMessage, data);

	switch (data.iCommand)

		{

		case EMMFDevSoundCIPlayBackStatus:

			{

			TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> status; 

			iUtility->ReadFromInputDesL(aMessage, &status);

			DoMmpsGetPlaybackStatusInformation(status());

			TPckgBuf<MMMFPlaybackStatus::TMMFPlaybackStatus> des(status());

			iUtility->WriteToOutputDesL(aMessage, des);

			break;

			}

		default:

			{

			User::Leave(KErrNotSupported);

			}

		}

	return KErrNone;

	}

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

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

	{

	// not used in this interface

	}

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

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

	{

	// not used in this interface

	}

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

// Play Back Status custom interface implementation

TInt CMMFPlayBackStatusDeMux::DoMmpsGetPlaybackStatusInformation(MMMFPlaybackStatus::TMMFPlaybackStatus& aStatus)

	{

	TInt err = KErrNotReady;

	if (iInterfacePlayBackStatus)

		{

		err = iInterfacePlayBackStatus->MmpsGetPlaybackStatusInformation(aStatus);

		}

	return err;	

	}

TInt CMMFPlayBackStatusDeMux::DoMmpsRequestLossOfSyncNotification()

	{

	TInt err = KErrNotReady;

	if (iInterfacePlayBackStatus)

		{

		err = iInterfacePlayBackStatus->MmpsRequestLossOfSyncNotification();

		}

	return err;

	}

TInt CMMFPlayBackStatusDeMux::DoMmpsCancelLossOfSyncNotification()

	{

	TInt err = KErrNotReady;

	if (iInterfacePlayBackStatus)

		{

		err = iInterfacePlayBackStatus->MmpsCancelLossOfSyncNotification();

		}

	return err;

	}

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

//

// ImplementationTable

//

const TImplementationProxy ImplementationTable[] = 

	{

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusMux,	CMMFPlayBackStatusMux::NewL),

	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfacePlayBackStatusDeMux, CMMFPlayBackStatusDeMux::NewL),

	};

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

//

// ImplementationGroupProxy

//

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

	{

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

	return ImplementationTable;

	}