/*

* Copyright (c) 2008 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 <sysutil.h>

#include "mcsfreespaceobserver.h"

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

// CMcsFreeSpaceObserver::CMcsFreeSpaceObserver

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

//

CMcsFreeSpaceObserver::CMcsFreeSpaceObserver(MMcsFreeSpaceObserver& aCallback,

    TInt64 aFreeDiskSpace, TInt aDrive) :

    CActive(EPriorityStandard), // Standard priority

    iDrive(aDrive),

    iFreeDiskSpace(aFreeDiskSpace),

	iCallback(aCallback)

	{

	CActiveScheduler::Add(this); // Add to scheduler

	}

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

// CMcsFreeSpaceObserver::NewLC

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

//

CMcsFreeSpaceObserver* CMcsFreeSpaceObserver::NewLC(MMcsFreeSpaceObserver& aCallback,

    TInt64 aFreeDiskSpace,

    TInt aDrive)

	{

	CMcsFreeSpaceObserver* self = new (ELeave) CMcsFreeSpaceObserver(aCallback,

	    aFreeDiskSpace, aDrive);

	CleanupStack::PushL(self);

	self->ConstructL();

	return self;

	}

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

// CMcsFreeSpaceObserver::NewL

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

//

CMcsFreeSpaceObserver* CMcsFreeSpaceObserver::NewL(MMcsFreeSpaceObserver& aCallback,

    TInt64 aFreeDiskSpace,

    TInt aDrive)

	{

	CMcsFreeSpaceObserver* self = CMcsFreeSpaceObserver::NewLC(aCallback,

	    aFreeDiskSpace, aDrive);

	CleanupStack::Pop(); // self;

	return self;

	}

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

// CMcsFreeSpaceObserver::ConstructL

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

//

void CMcsFreeSpaceObserver::ConstructL()

	{

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

    iFs.NotifyDiskSpace( iFreeDiskSpace, iDrive, iStatus );

	SetActive();

	}

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

// CMcsFreeSpaceObserver::~CMcsFreeSpaceObserver

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

//

CMcsFreeSpaceObserver::~CMcsFreeSpaceObserver()

	{

	Cancel(); // Cancel any request, if outstanding

	iFs.Close();

	}

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

// CMcsFreeSpaceObserver::DoCancel

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

//

void CMcsFreeSpaceObserver::DoCancel()

	{

	iFs.NotifyDiskSpaceCancel();

	}

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

// CMcsFreeSpaceObserver::RunL

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

//

void CMcsFreeSpaceObserver::RunL()

	{

	TVolumeInfo vol;

	if ( ( iStatus == KErrNone ) &&

	    ( iFs.Volume(vol, iDrive )==KErrNone ) &&

		( vol.iFree>iFreeDiskSpace ) )

        {

        if( SysUtil::DiskSpaceBelowCriticalLevelL( &iFs,

            MMcsFreeSpaceObserver::EFreeDiskSpace,

            EDriveC ) )

            {

            iFreeDiskSpace = vol.iFree + MMcsFreeSpaceObserver::EFreeDiskSpace;

            }

        else

            {

            iCallback.HandleFreeSpaceEventL();

            }

        }

    iFs.NotifyDiskSpace( iFreeDiskSpace, iDrive, iStatus );

    SetActive();

	}

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

// CMcsFreeSpaceObserver::RunError

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

//

TInt CMcsFreeSpaceObserver::RunError(TInt /*aError*/)

	{

    iFs.NotifyDiskSpace( iFreeDiskSpace, iDrive, iStatus );

	SetActive();

	return KErrNone;

	}