// 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;

	}