// Copyright (c) 2008-2009 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 "cmsvdiskchangenotifier.h"

CMsvDiskChangeNotifier::CMsvDiskChangeNotifier(const TDriveUnit& aDrive, MMsvDiskChangeObserver& aObserver) 

:CActive(EPriorityHigh), iObserver(aObserver)

	{

	iDrive = TInt(aDrive);

	CActiveScheduler::Add(this);

	}

CMsvDiskChangeNotifier::~CMsvDiskChangeNotifier()

	{

	Cancel();

	iFs.Close();

	delete iDrivePath;

	iDrivePath = NULL;

	}

CMsvDiskChangeNotifier* CMsvDiskChangeNotifier::NewL(const TDriveUnit& aDrive, MMsvDiskChangeObserver& aObserver)

	{

	CMsvDiskChangeNotifier* self = new(ELeave) CMsvDiskChangeNotifier(aDrive, aObserver);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

void CMsvDiskChangeNotifier::ConstructL()

	{

	User::LeaveIfError(iFs.Connect());

	iDrivePath = HBufC16::NewL(KMaxDriveName+2);

	iDrivePath->Des().Append(iDrive.Name());

	iDrivePath->Des().Append(_L("\\"));

	}

void CMsvDiskChangeNotifier::Start()

	{

	iFs.NotifyChange(ENotifyDisk, iStatus, *iDrivePath);

	SetActive();

	}

void CMsvDiskChangeNotifier::DoCancel()

	{

	iFs.NotifyChangeCancel();

	}

void CMsvDiskChangeNotifier::RunL()

	{

	TVolumeInfo volume;

	TInt error = iFs.Volume(volume, TInt(iDrive));

	if(KErrNone == error)

		{

		iObserver.DiskInserted(iDrive);

		}

	else if(KErrNotReady == error)

		{

		iObserver.DiskRemoved(iDrive);

		}

	else

		{

		iObserver.DiskChanged(iDrive);

		}

	if(!IsActive())

		{

		iFs.NotifyChange(ENotifyDisk, iStatus, *iDrivePath);

		SetActive();

		}

	}