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36 
37 #ifndef QDECLARATIVEPLACECONTENTMODEL_H
38 #define QDECLARATIVEPLACECONTENTMODEL_H
39 
40 //
41 //  W A R N I N G
42 //  -------------
43 //
44 // This file is not part of the Qt API.  It exists purely as an
45 // implementation detail.  This header file may change from version to
46 // version without notice, or even be removed.
47 //
48 // We mean it.
49 //
50 
51 #include <QtLocation/private/qlocationglobal_p.h>
52 #include <QtCore/QAbstractListModel>
53 #include <QtQml/QQmlParserStatus>
54 #include <QtLocation/QPlaceContent>
55 #include <QtLocation/QPlaceContentReply>
56 
57 QT_BEGIN_NAMESPACE
58 
59 class QDeclarativePlace;
60 class QDeclarativeGeoServiceProvider;
61 class QGeoServiceProvider;
62 class QDeclarativeSupplier;
63 class QDeclarativePlaceUser;
64 
65 class Q_LOCATION_PRIVATE_EXPORT QDeclarativePlaceContentModel : public QAbstractListModel, public QQmlParserStatus
66 {
67     Q_OBJECT
68 
69     Q_PROPERTY(QDeclarativePlace *place READ place WRITE setPlace NOTIFY placeChanged)
70     Q_PROPERTY(int batchSize READ batchSize WRITE setBatchSize NOTIFY batchSizeChanged)
71     Q_PROPERTY(int totalCount READ totalCount NOTIFY totalCountChanged)
72 
73     Q_INTERFACES(QQmlParserStatus)
74 
75 public:
76     explicit QDeclarativePlaceContentModel(QPlaceContent::Type type, QObject *parent = 0);
77     ~QDeclarativePlaceContentModel();
78 
79     QDeclarativePlace *place() const;
80     void setPlace(QDeclarativePlace *place);
81 
82     int batchSize() const;
83     void setBatchSize(int batchSize);
84 
85     int totalCount() const;
86 
87     void clearData();
88 
89     void initializeCollection(int totalCount, const QPlaceContent::Collection &collection);
90 
91     // from QAbstractListModel
92     int rowCount(const QModelIndex &parent) const;
93     QVariant data(const QModelIndex &index, int role) const;
94     QHash<int, QByteArray> roleNames() const;
95 
96     enum Roles {
97         SupplierRole = Qt::UserRole,
98         PlaceUserRole,
99         AttributionRole,
100         UserRole //indicator for next conten type specific role
101     };
102 
103     bool canFetchMore(const QModelIndex &parent) const;
104     void fetchMore(const QModelIndex &parent);
105 
106     // from QQmlParserStatus
107     void classBegin();
108     void componentComplete();
109 
110 Q_SIGNALS:
111     void placeChanged();
112     void batchSizeChanged();
113     void totalCountChanged();
114 
115 private Q_SLOTS:
116     void fetchFinished();
117 
118 protected:
119     QPlaceContent::Collection m_content;
120     QMap<QString, QDeclarativeSupplier *> m_suppliers;
121     QMap<QString, QDeclarativePlaceUser *>m_users;
122 
123 private:
124     QDeclarativePlace *m_place;
125     QPlaceContent::Type m_type;
126     int m_batchSize;
127     int m_contentCount;
128 
129     QPlaceContentReply *m_reply;
130     QPlaceContentRequest m_nextRequest;
131 
132     bool m_complete;
133 };
134 
135 QT_END_NAMESPACE
136 
137 #endif // QDECLARATIVEPLACECONTENTMODEL_H
138