// Copyright (c) 2007-2010 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:

// 

/** 

@file

@internalComponent

*/

#include "controllermanager.h"

#include <bluetooth/hci/controllerstateobserver.h>

#include <bluetooth/hci/hctlchannelobserver.h>

#include "hctlusboriginal.h"

#include "hctlusboriginalutils.h"

#include <bluetooth/logger.h>

#ifdef __FLOG_ACTIVE

_LIT8(KLogComponent, LOG_COMPONENT_HCTL_USB_ORIGINAL);

#endif

CControllerManager* CControllerManager::NewL(CHCTLUsbOriginal& aHctl)

	{

	LOG_STATIC_FUNC

	CControllerManager* self = new(ELeave) CControllerManager(aHctl);

	return self;

	}

CControllerManager::CControllerManager(CHCTLUsbOriginal& aHctl)

	: iHctl(aHctl)

	{

	LOG_FUNC

	}

CControllerManager::~CControllerManager()

	{

	LOG_FUNC

	}

TInt CControllerManager::MhpiGetPower(TBTPowerState& aState)

	{

	LOG_FUNC

	__ASSERT_DEBUG(iHctl.CurrentPowerState() == EBTOff || iHctl.DevicePresent(),

		PANIC(KUsbOriginalPanic, EStackOnWhenNoDeviceConnected));

	// Return current state.

	aState = iHctl.CurrentPowerState();

	return KErrNone;

	}

TInt CControllerManager::MhpiSetPower(TBTPowerState aState)

	{

	LOG_FUNC

	TInt rerr = KErrAlreadyExists;

	// Check that the requested state differs from the current state.

	if(aState != iHctl.CurrentPowerState())

		{

		__ASSERT_ALWAYS(aState == EBTOff || aState == EBTOn,

			PANIC(KUsbOriginalPanic, EUnexpectedCtrlMgrPowerState));

		__ASSERT_ALWAYS(iControllerStateObserver,

			PANIC(KUsbOriginalPanic, EStateObserverNotAvailable));

		rerr = KErrNotReady;

		if(aState == EBTOff || iHctl.DevicePresent())

			{

			iControllerStateObserver->McsoProcessPowerChange(KErrNone,

															 MControllerStateObserver::EBTFatalChange,

															 aState);

			if(aState == EBTOff)

				{

				// Cancel any reads / writes.

				iHctl.HandlePowerOff();

				}

			else

				{

				// Re-start the sender and receiver.

				iHctl.HandlePowerOn();

				}

			rerr = KErrNone;

			}

		}

	return rerr;

	}

void CControllerManager::HardReset()

	{

	LOG_FUNC

	// Check if the power is currently switched off.  This takes priority over

	// hard reset.

	if(iHctl.CurrentPowerState() == EBTOn)

		{

		__ASSERT_ALWAYS(iControllerStateObserver, 

			PANIC(KUsbOriginalPanic, EStateObserverNotAvailable));

		__ASSERT_DEBUG(iHctl.DevicePresent(),

			PANIC(KUsbOriginalPanic, EStackOnWhenNoDeviceConnected));

		// Switch the power off then on to perform the reset.

		iControllerStateObserver->McsoProcessHardResetPhaseChange(KErrNone, MControllerStateObserver::EBTFatalChange, EBTResetStarted);

		iHctl.HandlePowerOff();

		// TODO should there be an asynchronous break here, or are we good?

		iHctl.HandlePowerOn();

		// Reset is complete.

		iControllerStateObserver->McsoProcessHardResetPhaseChange(KErrNone, MControllerStateObserver::EBTFatalChange, EBTResetComplete);

		}

	}

void CControllerManager::SetControllerStateObserver(MControllerStateObserver& aControllerStateObserver)

	{

	LOG_FUNC

	iControllerStateObserver = &aControllerStateObserver;

	}