// Copyright (c) 2001-2009 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 "MmfDevSoundEventHandler.h"

#include "mmfAudioPolicyProxy.h"

#include "MmfDevSoundSessionXtnd.h"

CMMFDevSoundEventHandler* CMMFDevSoundEventHandler::NewL(RMMFAudioPolicyProxy* aAudioPolicyProxy)

	{

	CMMFDevSoundEventHandler* self = new(ELeave) CMMFDevSoundEventHandler(aAudioPolicyProxy);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop();

	return self;

	}

CMMFDevSoundEventHandler::CMMFDevSoundEventHandler(RMMFAudioPolicyProxy* aAudioPolicyProxy) :

	CActive(EPriorityLow), iAudioPolicyProxy(aAudioPolicyProxy)

	{

	CActiveScheduler::Add(this);

	}

void CMMFDevSoundEventHandler::ConstructL()

	{

	}

void CMMFDevSoundEventHandler::SetDevSoundInfo(CMMFDevSoundSessionXtnd* aDevSound)

	{

	iDevSound = aDevSound;

	iDevSoundId++;

	aDevSound->SetDevSoundId(iDevSoundId);

	}

CMMFDevSoundEventHandler::~CMMFDevSoundEventHandler()

	{

	Cancel();

	}

void CMMFDevSoundEventHandler::ReceiveEvents()

	{

	iAudioPolicyProxy->ReceiveEvents(iAudioPolicyEventPckg, iStatus);

	SetActive();

	}

void CMMFDevSoundEventHandler::CancelReceiveEvents()

	{

	Cancel();

	}

void CMMFDevSoundEventHandler::RunL()

	{

	TMMFAudioPolicyEvent aEvent;

	aEvent.iEventType = iAudioPolicyEventPckg().iEventType;

	aEvent.iErrorCode = iAudioPolicyEventPckg().iErrorCode;

	aEvent.iState = iAudioPolicyEventPckg().iState;

	// Determine whether or not to call on client to send event or call on other

	// SoundDevice's to start play/record functions:

	if ( (aEvent.iEventType == TMMFAudioPolicyEvent::EMMFAudioPolicySwitchToIdle)

		 || (aEvent.iEventType == TMMFAudioPolicyEvent::EMMFAudioPolicyNoEvent) )

		{

		// Determine what to do, based on state:

		switch (aEvent.iState)

			{

		case EMMFStatePlayData:

			iDevSound->StartPlayDataL();

			break;

		case EMMFStateRecordData:

			iDevSound->StartRecordDataL();

			break;

		case EMMFStatePlayTone:

			iDevSound->StartPlayToneL();

			break;

		case EMMFStatePlayDualTone:

			iDevSound->StartPlayDualToneL();

			break;

		case EMMFStatePlayDTMFString:

			iDevSound->StartPlayDTMFStringL();

			break;

		case EMMFStatePlayToneSequence:

			iDevSound->StartPlayToneSequenceL();

			break;

		default:

			ASSERT(EFalse);

			break;

			}  // End switch

		}

	else if(aEvent.iEventType == TMMFAudioPolicyEvent::EMMFAudioPolicyResourceNotification)	

		{

		TMMFEvent event;

		event.iErrorCode = aEvent.iErrorCode;

		event.iEventType = KMMFEventCategoryAudioResourceAvailable;

		iDevSound->SendEvent(event);

		}

	else

		{

		ASSERT(aEvent.iEventType == TMMFAudioPolicyEvent::EMMFAudioPolicyPriorityTooLow);

		//Create a TMMFEvent element for client:

		//NB KErrInUse, KErrDied OR KErrAccessDenied may be returned by the 

		//policy server to indicate that the sound device is in use by another 

		//higher priority client.

		TMMFEvent event;

		event.iErrorCode = aEvent.iErrorCode;

		iDevSound->SendEvent(event);

		}

	// Set self up to receive more events:

	iAudioPolicyProxy->ReceiveEvents(iAudioPolicyEventPckg, iStatus);

	SetActive();

	}

void CMMFDevSoundEventHandler::DoCancel()

	{

	iAudioPolicyProxy->CancelReceiveEvents();

	}

TInt CMMFDevSoundEventHandler::RunError(TInt aError)

	{

	TMMFEvent event;

	event.iErrorCode = aError;//should probably have an appropriate event type here too?

	iDevSound->SendEventToClient(event);

	return KErrNone;

	}