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: Music Player collection abstract data model.

    15 *

    16 */

    17 

    18 #ifndef MPCOLLECTIONDATAMODEL_H

    19 #define MPCOLLECTIONDATAMODEL_H

    20 

    21 #include <QAbstractListModel>

    22 

    23 #include "mpmpxcollectionviewdefs.h"

    24 

    25 class MpMpxCollectionData;

    26 class MpCollectionAlbumArtManager;

    27 class MpPlaybackData;

    28 

    29 #if defined(BUILD_MPDATA_LIB)

    30 #define MPDATA_EXPORT Q_DECL_EXPORT

    31 #else

    32 #define MPDATA_EXPORT Q_DECL_IMPORT

    33 #endif

    34 

    35 class MPDATA_EXPORT MpCollectionDataModel : public QAbstractListModel

    36 {

    37     Q_OBJECT

    38    

    39 public:

    40 

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

    42     virtual ~MpCollectionDataModel();

    43 

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

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

    46     Qt::DropActions supportedDropActions() const;

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

    48     QStringList mimeTypes() const;

    49     QMimeData *mimeData(const QModelIndexList &indexes) const;

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

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

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

    53     

    54     MpMpxCollectionData *collectionData();

    55     

    56     void setLayout(TCollectionLayout layout);

    57     

    58 signals:

    59 

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

    61     void dataReloaded();

    62 

    63 public slots:

    64 

    65     void setContext( TCollectionContext context );

    66     void updateAlbumArt( int index );

    67     void refreshModel();

    68     void reloadData();

    69     void reloadData( int fromIndex, int toIndex );

    70     void fileCorrupted( int songId );     

    71 

    72 private:

    73 

    74     MpMpxCollectionData             *mCollectionData;       // Not own

    75     MpPlaybackData                  *mPlaybackData;         // Not own

    76     MpCollectionAlbumArtManager     *mAlbumArtManager;      // Own

    77     int                             mRowCount;

    78     int                             mAlbumIndexOffset;

    79     int                             mHiddenItemIndex;

    80     TCollectionLayout               mCollectionLayout;

    81 

    82 };

    83 

    84 #endif // MPCOLLECTIONDATAMODEL_H

    85