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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMAPOBJECTVIEW_P_H
#define QMAPOBJECTVIEW_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtLocation/private/qlocationglobal_p.h>
#include <QtLocation/private/qgeomapobject_p.h>
#include <QQmlComponent>
#include <QVector>
QT_BEGIN_NAMESPACE
class QQmlDelegateModel;
class QMapObjectViewPrivate;
class QQmlChangeSet;
class Q_LOCATION_PRIVATE_EXPORT QMapObjectView : public QGeoMapObject
{
Q_OBJECT
Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
Q_INTERFACES(QQmlParserStatus)
public:
QMapObjectView(QObject *parent = nullptr);
~QMapObjectView() override;
// QGeoMapObject interface
QList<QGeoMapObject *> geoMapObjectChildren() const override;
void setMap(QGeoMap *map) override;
// QQmlParserStatus interface
void classBegin() override;
void componentComplete() override;
QVariant model() const;
void setModel(QVariant model);
QQmlComponent *delegate() const;
void setDelegate(QQmlComponent * delegate);
public Q_SLOTS:
// The dynamic API that matches Map.add/remove MapItem
void addMapObject(QGeoMapObject *object);
void removeMapObject(QGeoMapObject *object);
signals:
void modelChanged(QVariant model);
void delegateChanged(QQmlComponent * delegate);
protected Q_SLOTS:
void destroyingItem(QObject *object);
void initItem(int index, QObject *object);
void createdItem(int index, QObject *object);
void modelUpdated(const QQmlChangeSet &changeSet, bool reset);
protected:
void addMapObjectToMap(QGeoMapObject *object, int index);
void removeMapObjectFromMap(int index);
void flushDelegateModel();
void flushUserAddedMapObjects();
QQmlDelegateModel *m_delegateModel = nullptr;
QVector<QPointer<QGeoMapObject>> m_instantiatedMapObjects;
QVector<QPointer<QGeoMapObject>> m_pendingMapObjects; // for items instantiated before the map is set
QVector<QPointer<QGeoMapObject>> m_userAddedMapObjects; // A third list containing the objects dynamically added through addMapObject
bool m_creatingObject = false;
};
QT_END_NAMESPACE
#endif // QMAPOBJECTVIEW_P_H
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