// 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;

 	}