/*

* Copyright (c) 2005 - 2006 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:  An active object class that is used to receive

*  phone call related events from Publish&Subscribe and forward them

*  to an MVRUSBEventObserver instance.

*  Has to be attached to certain P&S -key, so it means having multiple

*  

*

*

*/

// INCLUDE FILES

#include <e32base.h>

#include "CVRUSBEventHandler.h"

#include "MVRUSBEventObserver.h"

// ================= MEMBER FUNCTIONS ========================================

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::CVRUSBEventHandler

// 

// ---------------------------------------------------------------------------

//

CVRUSBEventHandler::CVRUSBEventHandler() : CActive( EPriorityHigh )

    {

	CActiveScheduler::Add( this );

    }

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::ConstructL

// 

// ---------------------------------------------------------------------------

//

void CVRUSBEventHandler::ConstructL()

    {

    }

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::NewL

// 

// ---------------------------------------------------------------------------

//

// Two-phased constructor.

CVRUSBEventHandler* CVRUSBEventHandler::NewL()

    {

    CVRUSBEventHandler* self = new (ELeave) CVRUSBEventHandler;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::~CVRUSBEventHandler

// 

// ---------------------------------------------------------------------------

//

// Destructor

CVRUSBEventHandler::~CVRUSBEventHandler()

    {

	Cancel();

    }

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::IssueRequest

// 

// ---------------------------------------------------------------------------

//

void CVRUSBEventHandler::IssueRequest()

	{

	SetActive();

	iProperty.Subscribe( iStatus );

	}

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::RunL

// 

// ---------------------------------------------------------------------------

//

void CVRUSBEventHandler::RunL()

	{

	// Event received

	if ( iStatus != KErrCancel )

		{

		// Request a new event

		IssueRequest();

		// Notify the observer

		iObserver->HandleUSBEventL();

		}

	}

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::Listen

// 

// ---------------------------------------------------------------------------

//

void CVRUSBEventHandler::Listen( TUid aUid, 

									TUint aKey, 

									MVRUSBEventObserver* aObserver )

	{

	iProperty.Attach( aUid, aKey );

	iObserver = aObserver;

	IssueRequest();

	}

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::DoCancel

// 

// ---------------------------------------------------------------------------

//

void CVRUSBEventHandler::DoCancel()

	{

	iProperty.Cancel();	

	}

// ---------------------------------------------------------------------------

// CVRUSBEventHandler::StateL

// 

// ---------------------------------------------------------------------------

//

TInt CVRUSBEventHandler::StateL( TUid aUid, TUint aKey )

	{

	TInt value;

	User::LeaveIfError( RProperty::Get( aUid, aKey, value ) );

	return value;

	}

//  End of File