qt-everywhere-src-5.14.1/qtlocation/src/location/labs/qmaprouteobject.cpp

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#include <QtLocation/private/qdeclarativegeoroute_p.h>
#include "qmaprouteobject_p.h"
#include "qmaprouteobject_p_p.h"

QT_BEGIN_NAMESPACE

/*!
    \qmltype MapRouteObject
    \instantiates QMapRouteObject
    \inqmlmodule Qt.labs.location
    \ingroup qml-QtLocation5-maps
    \inherits QGeoMapObject

    \brief The MapRouteObject displays a geographical route on a Map.

    The MapRouteObject type displays a Route obtained through a RouteModel or
    other means, on the Map as a Polyline following the path of the Route.
*/

/*

    QGeoMapRoutePrivate

*/

QMapRouteObjectPrivate::QMapRouteObjectPrivate(QGeoMapObject *q) : QGeoMapObjectPrivate(q)
{

}

QMapRouteObjectPrivate::QMapRouteObjectPrivate(const QMapRouteObjectPrivate &other) : QGeoMapObjectPrivate(other)
{
    // QGeoMapRoutePrivate doesn't contain anything because QGeoRoute has already everything necessary.
}

QMapRouteObjectPrivate::~QMapRouteObjectPrivate()
{

}

QGeoMapObject::Type QMapRouteObjectPrivate::type() const
{
    return QGeoMapObject::RouteType;
}

QDeclarativeGeoRoute *QMapRouteObjectPrivate::declarativeGeoRoute() const
{
    const QMapRouteObject *r = static_cast<QMapRouteObject *>(q);
    return r->m_route;
}

/*!
    \qmlproperty Route Qt.labs.location::MapRouteObject::route

    This property holds the route to be drawn.
*/
QGeoRoute QMapRouteObjectPrivate::route() const
{
    const QDeclarativeGeoRoute *r = declarativeGeoRoute();
    if (r)
        return r->route();
    return {};
}

void QMapRouteObjectPrivate::setRoute(const QDeclarativeGeoRoute *route)
{
    Q_UNUSED(route);
}

bool QMapRouteObjectPrivate::equals(const QGeoMapObjectPrivate &other) const
{
    if (other.type() != type()) // This check might be unnecessary, depending on how equals gets used
        return false;

    const QMapRouteObjectPrivate &o = static_cast<const QMapRouteObjectPrivate &>(other);
    return (QGeoMapObjectPrivate::equals(o)
            && route() == o.route()); // Could also be done shallow, comparing declarativeGeoRoute()
}

QGeoMapObjectPrivate *QMapRouteObjectPrivate::clone()
{
    return new QMapRouteObjectPrivate(*this);
}

QGeoShape QMapRouteObjectPrivate::geoShape() const
{
    return route().bounds();
}

void QMapRouteObjectPrivate::setGeoShape(const QGeoShape &/*shape*/)
{
    // Not supported for MapRouteObject
}


/*

    QGeoMapRoute

*/

QMapRouteObject::QMapRouteObject(QObject *parent)
    : QGeoMapObject(QExplicitlySharedDataPointer<QGeoMapObjectPrivate>(new QMapRouteObjectPrivate(this)), parent)
{

}

QMapRouteObject::~QMapRouteObject()
{

}

QDeclarativeGeoRoute *QMapRouteObject::route() const
{
    return m_route;
}

QGeoRoute QMapRouteObject::geoRoute() const
{
    if (m_route)
        return m_route->route();
    return {};
}

void QMapRouteObject::setRoute(QDeclarativeGeoRoute *route)
{
    if (route == m_route)
        return;
//    if ((!m_route && !route) || (m_route && route && m_route->route() == route->route()))
//        return;

    m_route = route;
    QMapRouteObjectPrivate *d = static_cast<QMapRouteObjectPrivate *>(d_ptr.data());
    d->setRoute(route);
    emit routeChanged(route);
}

void QMapRouteObject::setMap(QGeoMap *map)
{
    QMapRouteObjectPrivate *d = static_cast<QMapRouteObjectPrivate *>(d_ptr.data());
    if (d->m_map == map)
        return;

    QGeoMapObject::setMap(map); // This is where the specialized pimpl gets created and injected

    if (!map) {
        // Map was set, now it has ben re-set to NULL, but not inside d_ptr.
        // so m_map inside d_ptr can still be used to remove itself, inside the destructor.
        d_ptr = new QMapRouteObjectPrivate(*d);  // This is not losing data: check MapRouteObjectPrivate::declarativeGeoRoute()
        // Old pimpl deleted implicitly by QExplicitlySharedDataPointer
    }
}

QT_END_NAMESPACE