/*

* Copyright (c) 2010 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: Private data and helper classes used by class CntCache.

*

*/

#ifndef CNTICONFETCHER_H

#define CNTICONFETCHER_H

#include <HbIcon>

#include <cntabstractfetcher.h>

class ThumbnailManager;

QTM_USE_NAMESPACE

class CntIconJob : public CntAbstractJob

{

public:

    CntIconJob(QString iconName) { this->iconName = iconName; }

    bool isEmpty() { return iconName.isEmpty(); }

    bool equals(const CntAbstractJob &other) { const CntIconJob *o = static_cast<const CntIconJob *>(&other); return (iconName == o->iconName); }

    QString toString() { return QString("iconName = '%1'").arg(iconName); }

public:

    QString iconName;               // set by requester

    HbIcon icon;                    // set by icon fetcher

};

class CntIconFetcher : public CntAbstractFetcher

{

    Q_OBJECT

public:

    CntIconFetcher();

    ~CntIconFetcher();

    bool isProcessingJob();

    void processNextJob();

signals:

    void iconFetched(const QString &iconName, const HbIcon &icon);

    void iconCancelled(const QString &iconName);

private slots:

    void forwardIconToClient(const QPixmap &pixmap, void *data, int id, int error);

private:

    ThumbnailManager *mThumbnailManager;                    // manager that fetches the icons; owned

    int mIconRequestId;                                     // the id of the last request to thumbnail manager

    QString mIconRequestName;                               // the name of the icon last requested from thumbnail manager

    friend class TestIconFetcher;

};

#endif