path: root/src/imports/location/qdeclarativegeoboundingbox.cpp

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#include <qnumeric.h>
#include "qdeclarativegeoboundingbox_p.h"

QT_BEGIN_NAMESPACE

/*!
    \qmlclass BoundingBox QDeclarativeGeoBoundingBox
    \brief The QGeoBoundingBox class defines a rectangular geographic area.
    \ingroup qml-location

    The BoundingBox class defines a rectangular geographic area.
    This element is part of the \bold{QtMobility.location 1.1} module.
    For behavioral details, please see \l QGeoBoundingBox.

    \sa {QGeoBoundingBox}
*/

QDeclarativeGeoBoundingBox::QDeclarativeGeoBoundingBox(QObject* parent) :
        QDeclarativeGeoBoundingArea(parent), m_height(qQNaN()), m_width(qQNaN())
{
}

QDeclarativeGeoBoundingBox::QDeclarativeGeoBoundingBox(const QGeoBoundingBox& box, QObject* parent) :
    QDeclarativeGeoBoundingArea(parent),
    m_declarativeBottomLeft(box.bottomLeft()),
    m_declarativeBottomRight(box.bottomRight()),
    m_declarativeTopLeft(box.topLeft()),
    m_declarativeTopRight(box.topRight()),
    m_declarativeCenter(box.center()),
    m_box(box),
    m_height(box.height()),
    m_width(box.width())
{
}

void QDeclarativeGeoBoundingBox::setBox(const QGeoBoundingBox& box)
{
    m_box = box;
    synchronizeDeclarative();
}

QGeoBoundingBox QDeclarativeGeoBoundingBox::box()
{
    return m_box;
}

QGeoBoundingArea *QDeclarativeGeoBoundingBox::area() const
{
    return m_box.clone();
}

QDeclarativeCoordinate* QDeclarativeGeoBoundingBox::bottomLeft()
{
    return &m_declarativeBottomLeft;
}

/*!
  \qmlproperty Coordinate BoundingBox::bottomLeft

  This property holds the bottom left coordinate of this bounding box.

  Note: this property's changed() signal is currently emitted only if the
  whole element changes, not if only the contents of the element change.

  \sa {QGeoBoundingBox}
  */

void QDeclarativeGeoBoundingBox::setBottomLeft(QDeclarativeCoordinate *coordinate)
{
    if (m_box.bottomLeft() == coordinate->coordinate())
        return;
    m_box.setBottomLeft(coordinate->coordinate());
    synchronizeDeclarative();
    emit bottomLeftChanged();
}

Q_INVOKABLE bool QDeclarativeGeoBoundingBox::contains(QDeclarativeCoordinate* coordinate)
{
    if (!coordinate)
        return false;
    return m_box.contains(coordinate->coordinate());
}

QDeclarativeCoordinate* QDeclarativeGeoBoundingBox::bottomRight()
{
    return &m_declarativeBottomRight;
}

/*!
  \qmlproperty Coordinate BoundingBox::bottomRight

  This property holds the bottom right coordinate of this bounding box.

  Note: this property's changed() signal is currently emitted only if the
  whole element changes, not if only the contents of the element change.

  \sa {QGeoBoundingBox}
  */

void QDeclarativeGeoBoundingBox::setBottomRight(QDeclarativeCoordinate *coordinate)
{
    if (m_box.bottomRight() == coordinate->coordinate())
        return;
    m_box.setBottomRight(coordinate->coordinate());
    synchronizeDeclarative();
    emit bottomRightChanged();
}

QDeclarativeCoordinate* QDeclarativeGeoBoundingBox::topLeft()
{
    return &m_declarativeTopLeft;
}

/*!
  \qmlproperty Coordinate BoundingBox::topLeft

  This property holds the top left coordinate of this bounding box.

  Note: this property's changed() signal is currently emitted only if the
  whole element changes, not if only the contents of the element change.

  \sa {QGeoBoundingBox}
  */

void QDeclarativeGeoBoundingBox::setTopLeft(QDeclarativeCoordinate *coordinate)
{
    if (m_box.topLeft() == coordinate->coordinate())
        return;
    m_box.setTopLeft(coordinate->coordinate());
    synchronizeDeclarative();
    emit topLeftChanged();
}

QDeclarativeCoordinate* QDeclarativeGeoBoundingBox::topRight()
{
    return &m_declarativeTopRight;
}

/*!
  \qmlproperty Coordinate BoundingBox::topRight

  This property holds the top right coordinate of this bounding box.

  Note: this property's changed() signal is currently emitted only if the
  whole element changes, not if only the contents of the element change.

  \sa {QGeoBoundingBox}
  */

void QDeclarativeGeoBoundingBox::setTopRight(QDeclarativeCoordinate *coordinate)
{
    if (m_box.topRight() == coordinate->coordinate())
        return;
    m_box.setTopRight(coordinate->coordinate());
    synchronizeDeclarative();
    emit topRightChanged();
}

QDeclarativeCoordinate* QDeclarativeGeoBoundingBox::center()
{
    return &m_declarativeCenter;
}

/*!
  \qmlproperty Coordinate BoundingBox::center

  This property holds the center coordinate of this bounding box.

  Note: this property's changed() signal is currently emitted only if the
  whole element changes, not if only the contents of the element change.

  \sa {QGeoBoundingBox}

  */

void QDeclarativeGeoBoundingBox::setCenter(QDeclarativeCoordinate *coordinate)
{
    if (m_box.center() == coordinate->coordinate())
        return;
    m_box.setCenter(coordinate->coordinate());
    synchronizeDeclarative();
    emit centerChanged();
}

double QDeclarativeGeoBoundingBox::height()
{
    return m_height;
}

/*!
  \qmlproperty double BoundingBox::height

  This property holds the height of this bounding box (in degrees).

  \sa {QGeoBoundingBox}
  */

void QDeclarativeGeoBoundingBox::setHeight(const double height)
{
    m_box.setHeight(height);
    synchronizeDeclarative();
}

double QDeclarativeGeoBoundingBox::width()
{
    return m_width;
}

/*!
  \qmlproperty double BoundingBox::width

  This property holds the width of this bounding box (in degrees).

  \sa {QGeoBoundingBox}

  */

void QDeclarativeGeoBoundingBox::setWidth(const double width)
{
    m_box.setWidth(width);
    synchronizeDeclarative();
}

void QDeclarativeGeoBoundingBox::synchronizeDeclarative()
{
    m_declarativeBottomLeft.setCoordinate(m_box.bottomLeft());
    m_declarativeBottomRight.setCoordinate(m_box.bottomRight());
    m_declarativeTopLeft.setCoordinate(m_box.topLeft());
    m_declarativeTopRight.setCoordinate(m_box.topRight());
    m_declarativeCenter.setCoordinate(m_box.center());
    // Check not to compare two Not a Numbers, which by definition is 'false'.
    if ((!qIsNaN(m_width) || !qIsNaN(m_box.width())) && m_width != m_box.width()) {
        m_width = m_box.width();
        emit widthChanged();
    }
    if ((!qIsNaN(m_height) || !qIsNaN(m_box.height())) && m_height != m_box.height()) {
        m_height = m_box.height();
        emit heightChanged();
    }
}

#include "moc_qdeclarativegeoboundingbox_p.cpp"

QT_END_NAMESPACE