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/*
* Copyright (c) 2005-2009 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 <f32file.h> // for rfs
#include "ccntlowdiskmanager.h"
#include "ccntlogger.h"
/** Object factory method for CCntLowDiskManager.
*/
CCntLowDiskManager* CCntLowDiskManager::NewL(MContactLowDiskObserver& aObserver,
TInt64 aThreshold, TInt aDrive, RFs& aFs)
{
CCntLowDiskManager* self = new(ELeave) CCntLowDiskManager(aObserver,
aThreshold, aDrive, aFs);
return self;
}
/** Destructor.
*/
CCntLowDiskManager::~CCntLowDiskManager()
{
Cancel();
}
/** Request notification of disk space events from File Server. This method
covers the scenario where we start with low disk (i.e. already below the
threshold). We won't get a notification from the File Server session in
this case (need to cross threshold). Rather than repeat the code in RunL(),
manually complete the request here to force a call of RunL(). The actual
registration for disk space events takes place at the end of RunL().
*/
void CCntLowDiskManager::Start()
{
SetActive();
TRequestStatus* status = &iStatus;
User::RequestComplete(status, KErrNone);
}
TBool CCntLowDiskManager::LowDiskL()
{
TVolumeInfo volumeInfo;
User::LeaveIfError(iFs.Volume(volumeInfo, iDrive));
return (volumeInfo.iFree <= iThreshold);
}
/** First phase default constructor.
*/
CCntLowDiskManager::CCntLowDiskManager(MContactLowDiskObserver& aObserver,
TInt64 aThreshold, TInt aDrive, RFs& aFs)
:
CActive(EPriorityHigh), iObserver(aObserver), iThreshold(aThreshold),
iDrive(aDrive), iFs(aFs), iWasLowDisk(EFalse)
{
CActiveScheduler::Add(this);
}
/** Receives a disk space event and notifies the observer.
@see CActive
*/
void CCntLowDiskManager::RunL()
{
TInt ret = iStatus.Int();
if (ret != KErrNone)
{
return;
}
if (LowDiskL())
{
iWasLowDisk = ETrue;
iObserver.HandleLowDiskL(ETrue);
}
else if (iWasLowDisk)
{
iWasLowDisk = EFalse;
iObserver.HandleLowDiskL(EFalse);
}
// Request notification again.
iFs.NotifyDiskSpace(iThreshold, iDrive, iStatus);
SetActive();
}
/** Recover if RunL() leaves.
@see CActive
*/
TInt CCntLowDiskManager::RunError(TInt /*aError*/)
{
DEBUG_PRINT1(__VERBOSE_DEBUG__,_L("[CNTMODEL] CCntLowDiskManager::RunError(): RunL() has left!\n"));
return (KErrNone);
}
/**
@see CActive
*/
void CCntLowDiskManager::DoCancel()
{
iFs.NotifyDiskSpaceCancel(iStatus);
}
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