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50
51#ifndef APPMODEL_H
52#define APPMODEL_H
53
54#include <QtCore/QObject>
55#include <QtCore/QString>
56#include <QtNetwork/QNetworkReply>
57#include <QtQml/QQmlListProperty>
58
59#include <QtPositioning/QGeoPositionInfoSource>
60
61//! [0]
62class WeatherData : public QObject {
63 Q_OBJECT
64 Q_PROPERTY(QString dayOfWeek
65 READ dayOfWeek WRITE setDayOfWeek
66 NOTIFY dataChanged)
67 Q_PROPERTY(QString weatherIcon
68 READ weatherIcon WRITE setWeatherIcon
69 NOTIFY dataChanged)
70 Q_PROPERTY(QString weatherDescription
71 READ weatherDescription WRITE setWeatherDescription
72 NOTIFY dataChanged)
73 Q_PROPERTY(QString temperature
74 READ temperature WRITE setTemperature
75 NOTIFY dataChanged)
76
77public:
78 explicit WeatherData(QObject *parent = 0);
79 WeatherData(const WeatherData &other);
80
81 QString dayOfWeek() const;
82 QString weatherIcon() const;
83 QString weatherDescription() const;
84 QString temperature() const;
85
86 void setDayOfWeek(const QString &value);
87 void setWeatherIcon(const QString &value);
88 void setWeatherDescription(const QString &value);
89 void setTemperature(const QString &value);
90
91signals:
92 void dataChanged();
93//! [0]
94private:
95 QString m_dayOfWeek;
96 QString m_weather;
97 QString m_weatherDescription;
98 QString m_temperature;
99//! [1]
100};
101//! [1]
102
103Q_DECLARE_METATYPE(WeatherData)
104
105class AppModelPrivate;
106//! [2]
107class AppModel : public QObject
108{
109 Q_OBJECT
110 Q_PROPERTY(bool ready
111 READ ready
112 NOTIFY readyChanged)
113 Q_PROPERTY(bool hasSource
114 READ hasSource
115 NOTIFY readyChanged)
116 Q_PROPERTY(bool hasValidCity
117 READ hasValidCity
118 NOTIFY cityChanged)
119 Q_PROPERTY(bool hasValidWeather
120 READ hasValidWeather
121 NOTIFY weatherChanged)
122 Q_PROPERTY(bool useGps
123 READ useGps WRITE setUseGps
124 NOTIFY useGpsChanged)
125 Q_PROPERTY(QString city
126 READ city WRITE setCity
127 NOTIFY cityChanged)
128 Q_PROPERTY(WeatherData *weather
129 READ weather
130 NOTIFY weatherChanged)
131 Q_PROPERTY(QQmlListProperty<WeatherData> forecast
132 READ forecast
133 NOTIFY weatherChanged)
134
135public:
136 explicit AppModel(QObject *parent = 0);
137 ~AppModel();
138
139 bool ready() const;
140 bool hasSource() const;
141 bool useGps() const;
142 bool hasValidCity() const;
143 bool hasValidWeather() const;
144 void setUseGps(bool value);
145 void hadError(bool tryAgain);
146
147 QString city() const;
148 void setCity(const QString &value);
149
150 WeatherData *weather() const;
151 QQmlListProperty<WeatherData> forecast() const;
152
153public slots:
154 Q_INVOKABLE void refreshWeather();
155
156//! [2]
157private slots:
158 void queryCity();
159 void positionUpdated(QGeoPositionInfo gpsPos);
160 void positionError(QGeoPositionInfoSource::Error e);
161 void handleGeoNetworkData(QNetworkReply *networkReply);
162 void handleWeatherNetworkData(QNetworkReply *networkReply);
163 void handleForecastNetworkData(QNetworkReply *networkReply);
164
165//! [3]
166signals:
167 void readyChanged();
168 void useGpsChanged();
169 void cityChanged();
170 void weatherChanged();
171
172//! [3]
173
174private:
175 AppModelPrivate *d;
176
177//! [4]
178};
179//! [4]
180
181#endif // APPMODEL_H
182

source code of qtlocation/examples/positioning/weatherinfo/appmodel.h