/*

 * Copyright (c) 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:

 *

 */

#ifndef ICONCACHE_H

#define ICONCACHE_H

// System includes

#include <QCache>

#include <HbIcon>

// User includes

#include "canotifier.h"

// Forward declarations

class CaEntry;

class CaService;

// Class declaration

class CaIconCache: public QObject

{

    Q_OBJECT

public:

    static CaIconCache *cache();

    HbIcon icon(const CaEntry &entry, const QSizeF &size);

    void insert(const CaEntry &entry, const QSizeF &size, const HbIcon &icon);

private:

    explicit CaIconCache(QObject *parent = 0);

    ~CaIconCache();

    QString key(const CaEntry &entry, const QSizeF &size = QSizeF());

private slots:

    void remove(const CaEntry &entry, ChangeType changeType);

private:

    static QSharedPointer<CaIconCache> mInstance;

    QCache<QString,HbIcon> mCache;

    QSharedPointer<CaService> mService;

    CaNotifier *mNotifier;

    friend class QtSharedPointer::ExternalRefCount<CaIconCache>;

};

#endif // ICONCACHE_H