/*

* 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 "cusbhostwatcher.h"

#include "cusbhost.h"

/*

 * 	Base class for USB Host watchers

 */

CActiveUsbHostWatcher::CActiveUsbHostWatcher(RUsbHostStack& aUsbHostStack, 

											 MUsbHostObserver& aOwner,

											 TUint aWatcherId):

	CActive(CActive::EPriorityStandard),

	iUsbHostStack(aUsbHostStack),

	iOwner(aOwner),

	iWatcherId(aWatcherId)

	{

	CActiveScheduler::Add(this);

	}

CActiveUsbHostWatcher::~CActiveUsbHostWatcher()

	{

	Cancel();

	}

void CActiveUsbHostWatcher::RunL()

	{

	ASSERT(iStatus.Int() == KErrNone);

	iOwner.NotifyHostEvent(iWatcherId);

	Post();

	}

/*

 * 	Monitors host events (attach/load/detach)

 */

CActiveUsbHostEventWatcher* CActiveUsbHostEventWatcher::NewL(

												RUsbHostStack& aUsbHostStack, 

												MUsbHostObserver& aOwner,

												TDeviceEventInformation& aHostEventInfo)

	{

	CActiveUsbHostEventWatcher* self = new (ELeave) CActiveUsbHostEventWatcher(aUsbHostStack,aOwner,aHostEventInfo);

	return self;

	}

CActiveUsbHostEventWatcher::CActiveUsbHostEventWatcher(

									RUsbHostStack& aUsbHostStack,

									MUsbHostObserver& aOwner,

									TDeviceEventInformation& aHostEventInfo)

									:CActiveUsbHostWatcher(aUsbHostStack,

														   aOwner,

														   KHostEventMonitor)

														 , iHostEventInfo(aHostEventInfo)

	{

	}

CActiveUsbHostEventWatcher::~CActiveUsbHostEventWatcher()

	{

	Cancel();

	}

void CActiveUsbHostEventWatcher::Post()

	{

	iUsbHostStack.NotifyDeviceEvent(iStatus, iHostEventInfo);

	SetActive();

	}

void CActiveUsbHostEventWatcher::DoCancel()

	{

	iUsbHostStack.NotifyDeviceEventCancel();

	}

/*

 * 	Monitors device monitor events

 */

CActiveUsbHostMessageWatcher* CActiveUsbHostMessageWatcher::NewL(

		RUsbHostStack& aUsbHostStack, 

		MUsbHostObserver& aOwner,

		TInt& aHostMessage)

	{

	CActiveUsbHostMessageWatcher* self = new (ELeave)CActiveUsbHostMessageWatcher(aUsbHostStack,aOwner,aHostMessage);

	return self;

	}

CActiveUsbHostMessageWatcher::~CActiveUsbHostMessageWatcher()

	{

	Cancel();

	}

CActiveUsbHostMessageWatcher::CActiveUsbHostMessageWatcher(

										RUsbHostStack& aUsbHostStack,

										MUsbHostObserver& aOwner,

										TInt& aHostMessage)

										:CActiveUsbHostWatcher(aUsbHostStack,

															   aOwner,

															   KHostMessageMonitor)

										, iHostMessage(aHostMessage)

	{

	}

void CActiveUsbHostMessageWatcher::Post()

	{

	iUsbHostStack.NotifyDevmonEvent(iStatus, iHostMessage);

	SetActive();

	}

void CActiveUsbHostMessageWatcher::DoCancel()

	{

	iUsbHostStack.NotifyDevmonEventCancel();

	}