/*
* Copyright (c) 2006-2007 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: ?Description
*
*/
#include <e32base.h>
//Max size in Bytes
const TInt KCacheLimitSize = 8*1024*1024;
class CIRCacheMgmt;
NONSHARABLE_CLASS ( CIRCacheCleanup):public CTimer
{
public:
/**
* Two-phased constructor.
* @return The newly created object.
*/
static CIRCacheCleanup* NewL( CIRCacheMgmt& aCacheDb);
/**
* Destructor.
*/
~CIRCacheCleanup();
private:
/**
* Default Constructor.
* @param CIRCacheMgmt refrerence
*/
CIRCacheCleanup( CIRCacheMgmt& aCacheDb);
/**
* Second-phase constructor.
*/
void ConstructL();
/**
*CleanupCacheDbL()
* Cleansup routine
*/
void CleanupCacheDbL();
/**
*CheckStatusL()
* CheckStatus of CacheDb and do cleanup if necessary
*/
void CheckStatusL();
/**
* @see CTimer::RunL().
*/
void RunL();
/**
* GetCleanupInterval().
*gets the cleanup routine call interval based on the current cache size.
*formula derivation:
*Timeinterval of cleanup ( T) is inversely proportional to the cache size( S)
*Minimum time interval for cleanup routine 2 min.
*Maximum time interval for cleanup routine ~35mins.
*timeintervalperbyte = ( 35-2)*60*1000000/1024*1024
*TimeInterval = timeintervalperbyte*( MaxCacheLimit-CurrentCachesize)
*/
TUint32 GetCleanupInterval();
private:
/** The cache database. */
CIRCacheMgmt& iDatabase;
};