qtdoc/examples/demos/osmbuildings/request.h

70 lines
1.7 KiB
C++

// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef OSMREQUEST_H
#define OSMREQUEST_H
#include <QNetworkAccessManager>
#include <QQueue>
#include <QTimer>
#include <qcomparehelpers.h>
QT_FORWARD_DECLARE_CLASS(QPoint)
struct OSMTileData
{
int TileX;
int TileY;
int ZoomLevel;
qreal distanceTo(QPoint p) const;
friend bool comparesEqual(OSMTileData lhs,
OSMTileData rhs) noexcept
{
return lhs.TileX == rhs.TileX && lhs.TileY == rhs.TileY
&& lhs.ZoomLevel == rhs.ZoomLevel;
}
Q_DECLARE_EQUALITY_COMPARABLE(OSMTileData)
};
size_t qHash(OSMTileData data, size_t seed = 0) noexcept;
class OSMRequest : public QObject
{
Q_OBJECT
public:
explicit OSMRequest(QObject *parent = nullptr);
bool isDemoToken() const;
QString token() const;
void setToken(const QString &token);
public slots:
void getBuildingsData(const QQueue<OSMTileData> &buildingsQueue);
void getMapsData(const QQueue<OSMTileData> &mapsQueue);
signals:
void buildingsDataReady( const QList<QVariant> &geoVariantsList, int tileX, int tileY, int zoomLevel );
void mapsDataReady(const QByteArray &mapData, int tileX, int tileY, int zoomLevel );
private slots:
void getBuildingsDataRequest(const OSMTileData &tile);
void getMapsDataRequest(const OSMTileData &tile);
private:
int m_buildingsNumberOfRequestsInFlight = 0;
int m_mapsNumberOfRequestsInFlight = 0;
QTimer m_queuesTimer;
QQueue<OSMTileData> m_buildingsQueue;
QQueue<OSMTileData> m_mapsQueue;
QNetworkAccessManager m_networkAccessManager;
QString m_token;
};
#endif // REQUEST_H