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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
57QT_BEGIN_NAMESPACE
58
59class QDeclarativePlace;
60class QDeclarativeGeoServiceProvider;
61class QGeoServiceProvider;
62class QDeclarativeSupplier;
63class QDeclarativePlaceUser;
64
65class 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
75public:
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
110Q_SIGNALS:
111 void placeChanged();
112 void batchSizeChanged();
113 void totalCountChanged();
114
115private Q_SLOTS:
116 void fetchFinished();
117
118protected:
119 QPlaceContent::Collection m_content;
120 QMap<QString, QDeclarativeSupplier *> m_suppliers;
121 QMap<QString, QDeclarativePlaceUser *>m_users;
122
123private:
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
135QT_END_NAMESPACE
136
137#endif // QDECLARATIVEPLACECONTENTMODEL_H
138

source code of qtlocation/src/location/declarativeplaces/qdeclarativeplacecontentmodel_p.h