/*

* 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 HGWIDGETTESTDATAMODEL_H

#define HGWIDGETTESTDATAMODEL_H

#include <QAbstractListModel>

#include <QItemSelection>

#include <QStringList>

#include <QFileInfoList>

#include <HbIcon>

#include <thumbnailmanager_qt.h>

#include <QImage>

#include <QList>

#include "buffermanager.h"

#include "hgtestdefs.h"

class HgWidgetTestAlbumArtManager;

class ThumbnailManager;

class HgWidgetTestDataModel : public QAbstractListModel, public AbstractDataProvider

{

    Q_OBJECT

public:

    explicit HgWidgetTestDataModel(QObject *parent=0);

    virtual ~HgWidgetTestDataModel();

    void setThumbnailSize(ThumbnailManager::ThumbnailSize size);

    void setBuffer(int buffer, int treshhold);

    int rowCount(const QModelIndex &parent=QModelIndex()) const;

    QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const;

    QVariant silentData(const QModelIndex &index, int role=Qt::DisplayRole);

    bool setData(const QModelIndex& index, const QVariant& value, int role=Qt::EditRole);

    void refreshModel();

    void remove(const QItemSelection &selection);

    void move(const QItemSelection &selection, const QModelIndex &target);

    void add(const QModelIndex &target, int count);

    void reset();

    HgTestImageType imageDataType() const;

    void setImageDataType(HgTestImageType type);

    void enableLowResImages(bool enabled);

    bool lowResImagesEnabled() const;

public slots:

    void thumbnailReady( QPixmap , void* , int, int ); 

private:

    void init();

    void getNextThumbnail();

public slots:

    void updateAlbumArt( int index );

    void albumCacheReady();

    void timeOut();

private:

    void release(int start, int end);

    void request(int start, int end, requestsOrder order);

private:

    bool                            mCachingInProgress;

    QStringList                     mFiles;

    HgTestImageType                 mImageType;

    HbIcon                          mHbIcon;

    QIcon                           mQIcon;

    QImage                          mDefaultIcon;

    QList<bool>                     mVisibility;

    bool                            mUseLowResImages;

    QList<QImage>                   mImages;

    BufferManager                   *mBufferManager;

    QList<QPixmap>                  mPixmaps;

    QPixmap                         mDefaultPixmap;

    bool                            mSilentDataFetch;

};

#endif // HgWidgetTestDataModel_H