--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookengines/contactsmodel/cntsrv/src/CCntLowDiskManager.cpp	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,122 @@
+// 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);
+	}