/*

* 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: Music Player collection abstract data model.

*

*/

#ifndef MPCOLLECTIONDATAMODEL_H

#define MPCOLLECTIONDATAMODEL_H

#include <QAbstractListModel>

#include "mpmpxcollectionviewdefs.h"

class MpMpxCollectionData;

class MpCollectionAlbumArtManager;

class MpPlaybackData;

#if defined(BUILD_MPDATA_LIB)

#define MPDATA_EXPORT Q_DECL_EXPORT

#else

#define MPDATA_EXPORT Q_DECL_IMPORT

#endif

class MPDATA_EXPORT MpCollectionDataModel : public QAbstractListModel

{

    Q_OBJECT

public:

    explicit MpCollectionDataModel( MpMpxCollectionData *data, MpPlaybackData *playbackData = 0, QObject *parent=0 );

    virtual ~MpCollectionDataModel();

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

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

    Qt::DropActions supportedDropActions() const;

    bool removeRows(int row, int count, const QModelIndex &parent = QModelIndex());

    QStringList mimeTypes() const;

    QMimeData *mimeData(const QModelIndexList &indexes) const;

    bool dropMimeData(const QMimeData *data, Qt::DropAction action,

                              int row, int column, const QModelIndex &parent);

    void setItemVisibility(const QModelIndex &index, bool visible);

    MpMpxCollectionData *collectionData();

    void setLayout(TCollectionLayout layout);

signals:

    void orderChanged( int containerId, int itemId, int itemOrdinal, int newOrdinal );

    void dataReloaded();

public slots:

    void setContext( TCollectionContext context );

    void updateAlbumArt( int index );

    void refreshModel();

    void reloadData();

    void reloadData( int fromIndex, int toIndex );

    void fileCorrupted( int songId );     

private:

    MpMpxCollectionData             *mCollectionData;       // Not own

    MpPlaybackData                  *mPlaybackData;         // Not own

    MpCollectionAlbumArtManager     *mAlbumArtManager;      // Own

    int                             mRowCount;

    int                             mAlbumIndexOffset;

    int                             mHiddenItemIndex;

    TCollectionLayout               mCollectionLayout;

};

#endif // MPCOLLECTIONDATAMODEL_H