// 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 <s32mem.h>

 #include "audiobufferprefillci.h"

 // MUX //

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

 	{

 	// attempt to open the interface link with the

 	// remote slave device

 	iRemoteHandle = -1;

 	TUid slaveId = {KMmfUidCustomInterfaceSampleBufferingDeMux};

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

 	if (handle >= 0)

 		{

 		iRemoteHandle = handle;

 		}

 	return iRemoteHandle;

 	}

 void CMMFSampleBufferingMux::Release()

 	{

 	// close the slave device if it exists

 	if (iRemoteHandle > 0)

 		{

 		// we assume the slave is closed correctly

 		iUtility->CloseSlave(iRemoteHandle);

 		}

 	TUid key = iKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 void CMMFSampleBufferingMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFSampleBufferingMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFSampleBufferingMux::NewL()

 	{

 	CMMFSampleBufferingMux* self = new (ELeave) CMMFSampleBufferingMux;

 	return self;

 	}

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

 	{

 	MMMFSampleBuffering* interface = this;

 	return interface;

 	}

 CMMFSampleBufferingMux::CMMFSampleBufferingMux() :

 iRemoteHandle(-1) 

 	{

 	}

 CMMFSampleBufferingMux::~CMMFSampleBufferingMux()

 	{

 	}

 // from MMMFSampleBuffering

 TInt CMMFSampleBufferingMux::MmsbEnableSampleBufferingBeforePlayback()

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIEnableSampleBufferingBeforePlayback,

 												KNullDesC8);

 		}

 	return result;

 	}

 // from MMMFSampleBuffering

 TInt CMMFSampleBufferingMux::MmsbDisableSampleBufferingBeforePlayback()

 	{

 	TInt result = KErrBadHandle;

 	if (iRemoteHandle > 0)

 		{

 		// any return code other than zero is an error

 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 												EMMFDevSoundCIDisableSampleBufferingBeforePlayback,

 												KNullDesC8);

 		}

 	return result;

 	}

 // from MMMFSampleBuffering

 void CMMFSampleBufferingMux::MmsbNotifyPlayStarted(TRequestStatus& aStatus)

 	{

 	if (iRemoteHandle > 0)

 		{

 		// package the handle and command, and send in the Async command

 		iCmdPkg().iHandle = iRemoteHandle;

 		iCmdPkg().iCommand = EMMFDevSoundCINotifyPlayStarted;

 		// any return code other than zero is an error

 		iUtility->SendSlaveAsyncCommand(iCmdPkg, aStatus, KNullDesC8);

 		}

 	}

 // from MMMFSampleBuffering

 void CMMFSampleBufferingMux::MmsbCancelNotifyPlayStarted()

 	{

 	if (iRemoteHandle > 0)

 		{

 		// any return code other than zero is an error

 		TInt result = iUtility->SendSlaveSyncCommand(iRemoteHandle,

 													 EMMFDevSoundCICancelNotifyPlayStarted,

 													 KNullDesC8);

 		}

 	}

 // DEMUX //	

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

 	{

 	return KErrNone;

 	}

 void CMMFSampleBufferingDeMux::Release()

 	{

 	TUid key = iKey;

 	delete this;

 	// tell ECom to destroy us

 	REComSession::DestroyedImplementation(key);

 	}

 void CMMFSampleBufferingDeMux::PassDestructorKey(TUid aDestructorKey)

 	{

 	// store the destructor key

 	iKey = aDestructorKey;

 	}

 void CMMFSampleBufferingDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)

 	{

 	iTarget = aTarget;

 	}

 void CMMFSampleBufferingDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)

 	{

 	// store a pointer to the utility

 	iUtility = aCustomUtility;

 	}

 void CMMFSampleBufferingDeMux::RefreshL()

 	{

 	// refetch the Sample Buffering  custom interface if we already have a target

 	if (iTarget)

 		{

 		iInterfaceSampleBuffering = static_cast <MMMFSampleBuffering*> (iTarget->CustomInterface(KUidSampleBuffering ));

 		if (!iInterfaceSampleBuffering)

 			{

 			iInterfaceSampleBuffering = NULL;

 			User::Leave(KErrNotSupported);

 			}

 		}

 	}

 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFSampleBufferingDeMux::NewL()

 	{

 	CMMFSampleBufferingDeMux* self = new (ELeave) CMMFSampleBufferingDeMux;

 	return self;

 	}

 CMMFSampleBufferingDeMux::CMMFSampleBufferingDeMux() : CActive(CActive::EPriorityStandard)

 	{

 	CActiveScheduler::Add(this);

 	}

 CMMFSampleBufferingDeMux::~CMMFSampleBufferingDeMux()

 	{

 	Cancel();

 	}

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

 	{

 	// fetch the Sample Buffering  Hw Device custom interface

 	iInterfaceSampleBuffering = static_cast<MMMFSampleBuffering*> (iTarget->CustomInterface(KUidSampleBuffering)); 

 	if (!iInterfaceSampleBuffering)

 		{

 		iInterfaceSampleBuffering = NULL;

 		User::Leave(KErrNotSupported);

 		}

 	return KErrNone;

 	}

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

 	{

 	// nothing to do

 	}

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

 // using DeMux utility

 TInt CMMFSampleBufferingDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	TInt result = KErrGeneral;

 	// decode message

 	iUtility->GetSyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCIEnableSampleBufferingBeforePlayback:

 			{

 			result = DoMmsbEnableSampleBufferingBeforePlaybackL();

 			break;

 			}

 		case EMMFDevSoundCIDisableSampleBufferingBeforePlayback:

 			{

 			result = DoMmsbDisableSampleBufferingBeforePlaybackL();

 			break;

 			}

 		case EMMFDevSoundCICancelNotifyPlayStarted:

 			{

 			DoMmsbCancelNotifyPlayStartedL();

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	return result;

 	}

 TInt CMMFSampleBufferingDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)

 	{

 	return KErrNone;

 	}

 void CMMFSampleBufferingDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& aMessage)

 	{

 	TMMFDevSoundCIMessageData data;

 	// decode message

 	iUtility->GetAsyncMessageDataL(aMessage, data);

 	switch (data.iCommand)

 		{

 		case EMMFDevSoundCINotifyPlayStarted:

 			{

 			DoMmsbNotifyPlayStartedL(aMessage);

 			break;

 			}

 		default:

 			{

 			User::Leave(KErrNotSupported);

 			}

 		}

 	}

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

 	{

 	// not used in this interface

 	}

 // Sample Buffering  custom interface implementation

 TInt CMMFSampleBufferingDeMux::DoMmsbEnableSampleBufferingBeforePlaybackL()

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceSampleBuffering)

 		{

 		result = iInterfaceSampleBuffering->MmsbEnableSampleBufferingBeforePlayback();

 		}

 	return result;

 	}

 // Sample Buffering custom interface implementation

 TInt CMMFSampleBufferingDeMux::DoMmsbDisableSampleBufferingBeforePlaybackL()

 	{

 	TInt result = KErrNotFound;

 	if (iInterfaceSampleBuffering)

 		{

 		result = iInterfaceSampleBuffering->MmsbDisableSampleBufferingBeforePlayback();

 		}

 	return result;

 	}

 // Sample Buffering  custom interface implementation

 void CMMFSampleBufferingDeMux::DoMmsbNotifyPlayStartedL(const RMmfIpcMessage& aMessage)

 	{

 	if (iInterfaceSampleBuffering)

 		{

 		// make a copy of the received message before jumping to the plugin.

 		// It will be used on the reply to the client.

 		iStoredMessage = aMessage;

 		iInterfaceSampleBuffering->MmsbNotifyPlayStarted(iStatus);

 		// check not already active

 		ASSERT(!IsActive());

 		SetActive();

 		}

 	}

 // Sample Buffering custom interface implementation

 void CMMFSampleBufferingDeMux::DoMmsbCancelNotifyPlayStartedL()

 	{

 	if (iInterfaceSampleBuffering)

 		{

 		iInterfaceSampleBuffering->MmsbCancelNotifyPlayStarted();

 		}

 	}

 // active object handling functions

 void CMMFSampleBufferingDeMux::RunL()

 	{

 	TInt err = iStatus.Int();

 	// complete the client request

 	iStoredMessage.Complete(err);

 	}

 void CMMFSampleBufferingDeMux::DoCancel()

 	{

 	}

 //

 // ImplementationTable

 //

 const TImplementationProxy ImplementationTable[] =

 	{

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceSampleBufferingMux,	CMMFSampleBufferingMux::NewL),

 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceSampleBufferingDeMux,	CMMFSampleBufferingDeMux::NewL),

 	};

 //

 // ImplementationGroupProxy

 //

 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)

 	{

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

 	return ImplementationTable;

 	}