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36
37#include "locationvaluetypehelper_p.h"
38#include <QVariantMap>
39#include <QtQml/QQmlInfo>
40#include <private/qqmlengine_p.h>
41#include <private/qv4scopedvalue_p.h>
42#include <private/qv4arrayobject_p.h>
43
44
45QGeoCoordinate parseCoordinate(const QJSValue &value, bool *ok)
46{
47 QGeoCoordinate c;
48 if (ok)
49 *ok = false;
50
51 if (value.isObject()) {
52 if (value.hasProperty(QStringLiteral("latitude")))
53 c.setLatitude(value.property(QStringLiteral("latitude")).toNumber());
54 if (value.hasProperty(QStringLiteral("longitude")))
55 c.setLongitude(value.property(QStringLiteral("longitude")).toNumber());
56 if (value.hasProperty(QStringLiteral("altitude")))
57 c.setAltitude(value.property(QStringLiteral("altitude")).toNumber());
58
59 if (ok)
60 *ok = true;
61 }
62
63 return c;
64}
65
66QGeoCoordinate parseCoordinate(const QVariant &value, bool *ok)
67{
68 QGeoCoordinate c;
69 if (ok)
70 *ok = false;
71
72 if (value.canConvert<QGeoCoordinate>()) {
73 c = value.value<QGeoCoordinate>();
74 if (ok)
75 *ok = true;
76 } else if (value.type() == QVariant::Map) {
77 const QVariantMap &map = value.toMap();
78
79 if (map.contains(QStringLiteral("latitude")))
80 c.setLatitude(map.value(QStringLiteral("latitude")).toDouble());
81 if (map.contains(QStringLiteral("longitude")))
82 c.setLongitude(map.value(QStringLiteral("longitude")).toDouble());
83 if (map.contains(QStringLiteral("altitude")))
84 c.setAltitude(map.value(QStringLiteral("altitude")).toDouble());
85
86 if (ok)
87 *ok = c.isValid(); // Not considering the case where the map is valid but containing NaNs.
88 }
89
90 return c;
91}
92
93QGeoRectangle parseRectangle(const QJSValue &value, bool *ok)
94{
95 QGeoRectangle r;
96
97 *ok = false;
98
99 if (value.isObject()) {
100 if (value.hasProperty(QStringLiteral("bottomLeft"))) {
101 QGeoCoordinate c = parseCoordinate(value: value.property(QStringLiteral("bottomLeft")), ok);
102 if (*ok)
103 r.setBottomLeft(c);
104 }
105 if (value.hasProperty(QStringLiteral("bottomRight"))) {
106 QGeoCoordinate c = parseCoordinate(value: value.property(QStringLiteral("bottomRight")), ok);
107 if (*ok)
108 r.setBottomRight(c);
109 }
110 if (value.hasProperty(QStringLiteral("topLeft"))) {
111 QGeoCoordinate c = parseCoordinate(value: value.property(QStringLiteral("topLeft")), ok);
112 if (*ok)
113 r.setTopLeft(c);
114 }
115 if (value.hasProperty(QStringLiteral("topRight"))) {
116 QGeoCoordinate c = parseCoordinate(value: value.property(QStringLiteral("topRight")), ok);
117 if (*ok)
118 r.setTopRight(c);
119 }
120 if (value.hasProperty(QStringLiteral("center"))) {
121 QGeoCoordinate c = parseCoordinate(value: value.property(QStringLiteral("center")), ok);
122 if (*ok)
123 r.setCenter(c);
124 }
125 if (value.hasProperty(QStringLiteral("height")))
126 r.setHeight(value.property(QStringLiteral("height")).toNumber());
127 if (value.hasProperty(QStringLiteral("width")))
128 r.setWidth(value.property(QStringLiteral("width")).toNumber());
129 }
130
131 return r;
132}
133
134QGeoCircle parseCircle(const QJSValue &value, bool *ok)
135{
136 QGeoCircle c;
137
138 *ok = false;
139
140 if (value.isObject()) {
141 if (value.hasProperty(QStringLiteral("center"))) {
142 QGeoCoordinate coord = parseCoordinate(value: value.property(QStringLiteral("center")), ok);
143 if (*ok)
144 c.setCenter(coord);
145 }
146 if (value.hasProperty(QStringLiteral("radius")))
147 c.setRadius(value.property(QStringLiteral("radius")).toNumber());
148 }
149
150 return c;
151}
152
153QJSValue fromList(const QObject *object, const QList<QGeoCoordinate> &list)
154{
155 QQmlContext *context = QQmlEngine::contextForObject(object);
156 QQmlEngine *engine = context->engine();
157 QV4::ExecutionEngine *v4 = QQmlEnginePrivate::getV4Engine(e: engine);
158
159 QV4::Scope scope(v4);
160 QV4::Scoped<QV4::ArrayObject> pathArray(scope, v4->newArrayObject(count: list.length()));
161 int i = 0;
162 for (const auto &val : list) {
163 QV4::ScopedValue cv(scope, v4->fromVariant(QVariant::fromValue(value: val)));
164 pathArray->put(idx: i++, v: cv);
165 }
166
167 return QJSValue(v4, pathArray.asReturnedValue());
168}
169
170QList<QGeoCoordinate> toList(const QObject *object, const QJSValue &value)
171{
172 if (!value.isArray())
173 return {};
174
175 QList<QGeoCoordinate> pathList;
176 quint32 length = value.property(QStringLiteral("length")).toUInt();
177 for (quint32 i = 0; i < length; ++i) {
178 bool ok;
179 QGeoCoordinate c = parseCoordinate(value: value.property(arrayIndex: i), ok: &ok);
180
181 if (!ok || !c.isValid()) {
182 qmlWarning(me: object) << "Unsupported path type";
183 return {};
184 }
185
186 pathList.append(t: c);
187 }
188
189 return pathList;
190}
191

source code of qtlocation/src/location/declarativemaps/locationvaluetypehelper.cpp