qgeotilefetcher_p.h

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// Copyright (C) 2015 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant reason:default

#ifndef QGEOTILEFETCHER_H

#define QGEOTILEFETCHER_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 <QObject>

#include <QtLocation/private/qlocationglobal_p.h>

#include <QtLocation/private/qabstractgeotilecache_p.h>

QT_BEGIN_NAMESPACE

class QGeoMapRequestOptions;

class QGeoTileFetcherPrivate;

class QGeoTiledMappingManagerEngine;

class QGeoTiledMapReply;

class QGeoTileSpec;

class Q_LOCATION_EXPORT QGeoTileFetcher : public QObject

    Q_OBJECT

    Q_DECLARE_PRIVATE(QGeoTileFetcher)

public:

    QGeoTileFetcher(QGeoMappingManagerEngine *parent);

    virtual ~QGeoTileFetcher();

public Q_SLOTS:

    void updateTileRequests(const QSet<QGeoTileSpec> &tilesAdded, const QSet<QGeoTileSpec> &tilesRemoved);

private Q_SLOTS:

    void cancelTileRequests(const QSet<QGeoTileSpec> &tiles);

    void requestNextTile();

    void finished();

Q_SIGNALS:

    void tileFinished(const QGeoTileSpec &spec, const QByteArray &bytes, const QString &format);

    void tileError(const QGeoTileSpec &spec, const QString &errorString);

protected:

    QGeoTileFetcher(QGeoTileFetcherPrivate &dd, QGeoMappingManagerEngine *parent);

    void timerEvent(QTimerEvent *event) override;

    QAbstractGeoTileCache::CacheAreas cacheHint() const;

    virtual bool initialized() const;

    virtual bool fetchingEnabled() const;

private:

    virtual QGeoTiledMapReply *getTileImage(const QGeoTileSpec &spec) = 0;

    virtual void handleReply(QGeoTiledMapReply *reply, const QGeoTileSpec &spec);

    Q_DISABLE_COPY(QGeoTileFetcher)

    friend class QGeoTiledMappingManagerEngine;

};

QT_END_NAMESPACE

#endif