/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

* Class definition for Device State Notifier Base Class

*

*/

/** 

 @file

 @internalTechnology

*/

#include <e32base.h>

#include "cactivedevicestatenotifierbase.h"

CActiveDeviceStateNotifierBase::CActiveDeviceStateNotifierBase(CBulkOnlyTransport& aBot,

                                                               MLddDeviceStateNotification& aLddDeviceStateNotification)

/**

 *

 */

	: CActive(EPriorityStandard),

	  iBot(aBot),

      iLddDeviceStateNotification(aLddDeviceStateNotification),

	  iDeviceState(EUsbcNoState),

	  iOldDeviceState(EUsbcNoState)

	{

	}

CActiveDeviceStateNotifierBase* CActiveDeviceStateNotifierBase::NewL(CBulkOnlyTransport& aBot,

                                                                     MLddDeviceStateNotification& aLddDeviceStateNotification)

/**

 *

 */

	{

	CActiveDeviceStateNotifierBase* self = new (ELeave) CActiveDeviceStateNotifierBase(aBot, aLddDeviceStateNotification);

	CleanupStack::PushL(self);

	self->ConstructL();

	CActiveScheduler::Add(self);

	CleanupStack::Pop();									// self

	return (self);

	}

void CActiveDeviceStateNotifierBase::ConstructL()

/**

 *

 */

	{

	__FNLOG("CActiveDeviceStateNotifierBase::ConstructL");

	}

CActiveDeviceStateNotifierBase::~CActiveDeviceStateNotifierBase()

/**

 *

 */

	{

	__PRINT(_L("CActiveDeviceStateNotifierBase::~CActiveDeviceStateNotifierBase()"));

	Cancel();												// base class

	}

void CActiveDeviceStateNotifierBase::DoCancel()

/**

 *

 */

	{

	__PRINT(_L("CActiveDeviceStateNotifierBase::DoCancel()"));

	iLddDeviceStateNotification.Cancel();

	}

void CActiveDeviceStateNotifierBase::RunL()

/**

 *

 */

	{

	__FNLOG("CActiveDeviceStateNotifierBase::RunL");

	// This displays the device state.

	// In a real world program, the user could take here appropriate action (cancel a

	// transfer request or whatever).

    __PRINT1(_L("DeviceState Notification = %d"), iDeviceState);

	if (!(iDeviceState & KUsbAlternateSetting))

		{

		switch (iDeviceState)

			{

        case EUsbcDeviceStateUndefined:			//0

        case EUsbcDeviceStateDefault:			//3

			iBot.HwStop();

			break;

		case EUsbcDeviceStateAttached:			//1

		case EUsbcDeviceStatePowered:			//2

            // do nothing

            break;

        case EUsbcDeviceStateAddress:			//4

			if (iOldDeviceState == EUsbcDeviceStateConfigured)

                {

                iBot.StopBulkOnlyEndpoint();

                }

			break;

		case EUsbcDeviceStateConfigured:		//5

			if (iOldDeviceState == EUsbcDeviceStateSuspended)

				{

				iBot.HwResume();

				}

			else

				{

				iBot.HwStart();

				}

			break;

		case EUsbcDeviceStateSuspended:			//6

			if (iOldDeviceState == EUsbcDeviceStateConfigured)

				{

				iBot.HwSuspend();

				}

			break;

		default:

			__PRINT(_L("Device State notifier: ***BAD***\n"));

			iBot.HwStop();

			break;

			}

		iOldDeviceState = iDeviceState;

		}

	else if (iDeviceState & KUsbAlternateSetting)

		{

		__PRINT1(_L("Device State notifier: Alternate interface setting has changed: now %d\n"), iDeviceState & ~KUsbAlternateSetting);

		}

	Activate();

	}

void CActiveDeviceStateNotifierBase::Activate()

/**

 *

 */

	{

	__FNLOG("CActiveDeviceStateNotifierBase::Activate");

	if (IsActive())

		{

		__PRINT(_L("Still active\n"));

		return;

		}

	iLddDeviceStateNotification.Activate(iStatus, iDeviceState);

	SetActive();

	}