1 /*

     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:

    15  *

    16  */

    17 

    18 #ifndef ICONCACHE_H

    19 #define ICONCACHE_H

    20 

    21 // System includes

    22 #include <QCache>

    23 #include <HbIcon>

    24 

    25 // User includes

    26 #include "canotifier.h"

    27 

    28 // Forward declarations

    29 class CaEntry;

    30 class CaService;

    31 

    32 // Class declaration

    33 class CaIconCache: public QObject

    34 {

    35     Q_OBJECT

    36 public:

    37 

    38     static CaIconCache *cache();

    39     bool exist(const CaEntry &entry, const QSize &size);

    40     HbIcon icon(const CaEntry &entry, const QSize &size);

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

    42 

    43 private:

    44 

    45     explicit CaIconCache(QObject *parent = 0);

    46     ~CaIconCache();

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

    48 

    49 private slots:

    50 

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

    52 

    53 private:

    54     static QSharedPointer<CaIconCache> mInstance;

    55 

    56     QCache<QString,HbIcon> mCache; //own

    57 

    58     QSharedPointer<CaService> mService;//not own

    59 

    60     CaNotifier *mNotifier;//own

    61 

    62     friend class QtSharedPointer::ExternalRefCount<CaIconCache>;

    63 };

    64 

    65 #endif // ICONCACHE_H