/*

* 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:   ?Description

*

*/

#ifndef GLXALBUMMODEL_H

#define GLXALBUMMODEL_H

#include <QAbstractItemModel>

#include <QCache>

#include <glxuistd.h>

#ifdef BUILD_LISTMODEL

#define GLX_LISTMODEL_EXPORT Q_DECL_EXPORT

#else

#define GLX_LISTMODEL_EXPORT Q_DECL_IMPORT

#endif

struct GlxAlbumListParams  

{

   QString title;

   QString subTitle;

   QPixmap* image; 

};

typedef QList<GlxAlbumListParams> GlxAlbumListData;

class HbIcon;

class GlxModelParm;

class GlxMLWrapper;

class GLX_LISTMODEL_EXPORT GlxAlbumModel : public QAbstractItemModel

{

Q_OBJECT

public :    

    GlxAlbumModel(GlxModelParm & modelParm);

    ~GlxAlbumModel();

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

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

    QModelIndex parent(const QModelIndex &child) const;

    QVariant data(const QModelIndex &index, int role) const;

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

    QModelIndex index(int row, int column, const QModelIndex &parent = QModelIndex()) const;

private :    

    /**

     * for setting the attribute context mode will be used mainly for retreiving thumbnail of different sizes.

     */     

    void setContextMode(GlxContextMode contextMode);

    void setFocusIndex(const QModelIndex &index);

    void setSelectedIndex(const QModelIndex &index);

    QModelIndex getFocusIndex() const;

    HbIcon* GetPreviewIconItem(int itemIndex, GlxTBContextType tbContextType) const;

    HbIcon *getCorruptDefaultIcon ( const QModelIndex &index ) const;

signals :

    void iconAvailable(int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType) const;

    void listPopulated();

public slots:

    void itemUpdated1(int mlIndex, GlxTBContextType tbContextType);

    void itemsAdded(int startIndex, int endIndex);

    void itemsRemoved(int startIndex, int endIndex);

    void modelPopulated();

protected:

private slots:

     void updateItemIcon(int itemIndex, HbIcon* itemIcon, GlxTBContextType tbContextType); 

private:

    GlxMLWrapper* mMLWrapper;

    GlxContextMode mContextMode;

    HbIcon* mDefaultIcon;

    QCache<int, HbIcon> itemIconCache;

    int mTempVisibleWindowIndex;

    HbIcon* m_CorruptIcon;

    int mSubState;

};

#endif /* GLXALBUMMODEL_H */