positioningplugin.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include <private/qpositioningquickglobal_p.h>
#include <QGeoCircle>
#include <QGeoCoordinate>
#include <QGeoPath>
#include <QGeoPolygon>
#include <QGeoRectangle>
#include <QtPositioningQuick/private/qquickgeocoordinateanimation_p.h>
#include <QtCore/QVariantAnimation>
#include <QtQml/QQmlEngineExtensionPlugin>
 
QT_BEGIN_NAMESPACE
 
class QtPositioningDeclarativeModule: public QQmlEngineExtensionPlugin
{
    Q_OBJECT
 
    Q_PLUGIN_METADATA(IID QQmlExtensionInterface_iid)
 
public:
    QtPositioningDeclarativeModule(QObject *parent = 0) : QQmlEngineExtensionPlugin(parent)
    {
        volatile auto registration = &qml_register_types_QtPositioning;
        Q_UNUSED(registration)
    }
};
 
namespace {
 
bool parseCoordinate(const QVariantMap &map, QGeoCoordinate &c)
{
    if (const auto it = map.find(QStringLiteral("latitude")); it != map.end())
        c.setLatitude(it.value().toDouble());
    else
        c.setLatitude(qQNaN());
    if (const auto it = map.find(QStringLiteral("longitude")); it != map.end())
        c.setLongitude(it.value().toDouble());
    else
        c.setLongitude(qQNaN());
    if (const auto it = map.find(QStringLiteral("altitude")); it != map.end())
        c.setAltitude(it.value().toDouble());
    else
        c.setAltitude(qQNaN());
 
    // Not considering the case where the map is valid but containing NaNs.
    return c.isValid();
}
 
bool parseRectangle(const QVariantMap &map, QGeoRectangle &rect)
{
    if (const auto it = map.find(QStringLiteral("topLeft")); it != map.end())
        rect.setTopLeft(it.value().value<QGeoCoordinate>());
    if (const auto it = map.find(QStringLiteral("bottomLeft")); it != map.end())
        rect.setBottomLeft(it.value().value<QGeoCoordinate>());
    if (const auto it = map.find(QStringLiteral("topRight")); it != map.end())
        rect.setTopRight(it.value().value<QGeoCoordinate>());
    if (const auto it = map.find(QStringLiteral("bottomRight")); it != map.end())
        rect.setBottomRight(it.value().value<QGeoCoordinate>());
    if (const auto it = map.find(QStringLiteral("center")); it != map.end())
        rect.setCenter(it.value().value<QGeoCoordinate>());
    if (const auto it = map.find(QStringLiteral("width")); it != map.end())
        rect.setWidth(it.value().toDouble());
    if (const auto it = map.find(QStringLiteral("height")); it != map.end())
        rect.setHeight(it.value().toDouble());
 
    // Not considering the case where the map is valid but containing NaNs.
    return rect.isValid();
}
}
 
void QtPositioningDeclarative_initializeModule()
{
    QMetaType::registerConverter<QGeoRectangle, QGeoShape>();
    QMetaType::registerConverter<QGeoShape, QGeoRectangle>();
    QMetaType::registerConverter<QGeoShape, QGeoCircle>();
    QMetaType::registerConverter<QGeoCircle, QGeoShape>();
    QMetaType::registerConverter<QGeoShape, QGeoPath>();
    QMetaType::registerConverter<QGeoPath, QGeoShape>();
    QMetaType::registerConverter<QGeoShape, QGeoPolygon>();
    QMetaType::registerConverter<QGeoPolygon, QGeoShape>();
 
    if (!QMetaType::registerConverterFunction([](const void *src, void *target) -> bool {
        const QVariantMap &map = *static_cast<const QVariantMap *>(src);
        QGeoCoordinate &coord = *static_cast<QGeoCoordinate *>(target);
        return parseCoordinate(map, coord);
    }, QMetaType::fromType<QVariantMap>(), QMetaType::fromType<QGeoCoordinate>())) {
        qWarning("Failed to register conversion function from QVariantMap to QGeoCoordinate");
    }
 
    if (!QMetaType::registerConverterFunction([](const void *src, void *target) -> bool {
        const QVariantMap &map = *static_cast<const QVariantMap *>(src);
        QGeoRectangle &rect = *static_cast<QGeoRectangle *>(target);
        return parseRectangle(map, rect);
    }, QMetaType::fromType<QVariantMap>(), QMetaType::fromType<QGeoRectangle>())) {
        qWarning("Failed to register conversion function from QVariantMap to QGeoRectangle");
    }
 
    qRegisterAnimationInterpolator<QGeoCoordinate>(q_coordinateInterpolator);
}
 
Q_CONSTRUCTOR_FUNCTION(QtPositioningDeclarative_initializeModule)
 
QT_END_NAMESPACE
 
#include "positioningplugin.moc"