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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef MAPSPHERE_H
#define MAPSPHERE_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 "qglobal.h"
#include <QObject>
#include <QSet>
#include <QHash>
#include <QList>
#include <QMutex>
QT_BEGIN_NAMESPACE
class QGLSceneNode;
class TileSpec;
class TileCache;
class Map;
class MapPrivate;
class QGeoMappingManager;
class Q_LOCATION_EXPORT MapSphere : public QObject
{
Q_OBJECT
public:
MapSphere(Map* map, MapPrivate *mapPrivate, TileCache *tileCache);
~MapSphere();
void setMappingManager(QGeoMappingManager *manager);
QGLSceneNode* sphereSceneNode() const;
QMutex updateMutex;
// when running as QML app we can't access GL context anywhere
// but QSG rendering thread.
void GLContextAvailable();
public slots:
void clearCache();
void update(const QList<TileSpec> &tiles);
private slots:
void tileFetched(const TileSpec &spec);
void prefetchingFinished();
signals:
void tileUpdated();
void sphereUpdated();
private:
void displayTile(const TileSpec &spec);
TileCache *tileCache_;
int minZoom_;
QSet<TileSpec> requested_;
QHash<TileSpec, QGLSceneNode*> built_;
QGLSceneNode* sphereNode_;
MapPrivate* mapPrivate_;
QList<QGLSceneNode*> obsoleteNodes_;
};
QT_END_NAMESPACE
#endif // MAPSPHERE_H
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