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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDECLARATIVEGEOMAPITEMBASE_H
#define QDECLARATIVEGEOMAPITEMBASE_H

#include <QtQuick/QQuickItem>

#include "qdeclarativegeomap_p.h"

QT_BEGIN_NAMESPACE

class QGeoMapViewportChangeEvent
{
public:
    explicit QGeoMapViewportChangeEvent();
    QGeoMapViewportChangeEvent(const QGeoMapViewportChangeEvent &other);
    QGeoMapViewportChangeEvent &operator=(const QGeoMapViewportChangeEvent &other);

    QGeoCameraData cameraData;
    QSizeF mapSize;

    bool zoomLevelChanged;
    bool centerChanged;
    bool mapSizeChanged;
    bool tiltChanged;
    bool bearingChanged;
    bool rollChanged;
};

class QDeclarativeGeoMapItemBase : public QQuickItem
{
    Q_OBJECT
public:
    explicit QDeclarativeGeoMapItemBase(QQuickItem *parent = 0);
    virtual ~QDeclarativeGeoMapItemBase();

    virtual void setMap(QDeclarativeGeoMap *quickMap, QGeoMap *map);
    virtual void setPositionOnMap(const QGeoCoordinate &coordinate, const QPointF &offset);
    virtual void dragStarted();
    virtual void dragEnded();

    QDeclarativeGeoMap *quickMap() { return quickMap_; }
    QGeoMap *map() { return map_; }

    QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *);
    virtual QSGNode *updateMapItemPaintNode(QSGNode *, UpdatePaintNodeData *);

protected Q_SLOTS:
    virtual void updateMapItem() = 0;
    virtual void afterChildrenChanged();
    virtual void afterViewportChanged(const QGeoMapViewportChangeEvent &event) = 0;

protected:
    float zoomLevelOpacity() const;
    bool childMouseEventFilter(QQuickItem *item, QEvent *event);

private Q_SLOTS:
    void baseCameraDataChanged(const QGeoCameraData &camera);

private:
    QGeoMap *map_;
    QDeclarativeGeoMap *quickMap_;

    QSizeF lastSize_;
    QGeoCameraData lastCameraData_;
};

QT_END_NAMESPACE

#endif