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    40 

    41 #ifndef PLAYLISTMODEL_H

    42 #define PLAYLISTMODEL_H

    43 

    44 #include <qmobilityglobal.h>

    45 #include <QtCore/qabstractitemmodel.h>

    46 

    47 QT_BEGIN_NAMESPACE

    48 class QMediaPlaylist;

    49 QT_END_NAMESPACE

    50 

    51 QT_USE_NAMESPACE

    52 

    53 class PlaylistModel : public QAbstractItemModel

    54 {

    55     Q_OBJECT

    56 public:

    57     enum Column

    58     {

    59         Title = 0,

    60         ColumnCount

    61     };

    62 

    63     PlaylistModel(QObject *parent = 0);

    64 

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

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

    67 

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

    69     QModelIndex parent(const QModelIndex &child) const;

    70 

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

    72 

    73     QMediaPlaylist *playlist() const;

    74     void setPlaylist(QMediaPlaylist *playlist);

    75 

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

    77 

    78 private slots:

    79     void beginInsertItems(int start, int end);

    80     void endInsertItems();

    81     void beginRemoveItems(int start, int end);

    82     void endRemoveItems();

    83     void changeItems(int start, int end);

    84 

    85 private:

    86     QMediaPlaylist *m_playlist;

    87     QMap<QModelIndex, QVariant> m_data;

    88 };

    89 

    90 #endif