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/*
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* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: ?Description
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*
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*/
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#ifndef CASRVMMCHISTORY_H
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#define CASRVMMCHISTORY_H
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#include <e32base.h>
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// FORWARD DECLARATION
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class RFs;
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/**
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* MMC History.
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* Stores a fixed number of MMC ids. When new ID-s are inserted,
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* old ones are purged. Supports file persistence.
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*/
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NONSHARABLE_CLASS( CCaSrvMmcHistory ): public CBase
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{
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public:
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// construction
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/**
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* Creates an instance of CCaSrvMmcHistory.
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* @return a pointer to CCaSrvMmcHistory insctance.
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*/
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IMPORT_C static CCaSrvMmcHistory* NewL();
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/**
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* Destructor.
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*/
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virtual ~CCaSrvMmcHistory();
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public:
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// new methods
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/**
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* Load from file. Safe to call if file does not exist.
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* @param aFs File Server Session.
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* @param aFname File name.
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*/
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IMPORT_C void LoadL( RFs& aFs, const TDesC& aFname );
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/**
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* Save to file. Existing file overwritten.
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* @param aFs File Server Session.
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* @param aFname File name.
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*/
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IMPORT_C void SaveL( RFs& aFs, const TDesC& aFname );
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/**
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* Insert new ID to first position.
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* If ID is already in the history, now it is moved to first
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* position (->latest).
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* If history is full, oldest ID may be dropped from history.
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* @param aMmc MMC ID.
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*/
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IMPORT_C void InsertL( TUint aMmc );
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/**
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* Find ID in history.
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* @param aMmc MMC ID.
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* @return History index, or KErrNotFound.
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*/
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IMPORT_C TInt Find( TUint aMmc ); // Find mmc in history.
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private:
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/**
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* Constructor.
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*/
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CCaSrvMmcHistory();
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/**
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* Second phase symbian constructor.
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*/
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void ConstructL();
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private:
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// data
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RArray<TUint> iMmcList; ///< ID history list. Own.
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};
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#endif // CASRVMMCHISTORY_H
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