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/****************************************************************************
**
** Copyright (C) 2012 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 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 <qlocationglobal.h>
#include "qgeomaptype_p.h"
#include "qgeotiledmappingmanagerengine_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QGeoMapRequestOptions;
class QGeoTileFetcherPrivate;
class QGeoTiledMappingManagerEngine;
class QGeoTiledMapReply;
class QGeoTileSpec;
class Q_LOCATION_EXPORT QGeoTileFetcher : public QObject
{
Q_OBJECT
public:
QGeoTileFetcher(QGeoTiledMappingManagerEngine *engine, QObject *parent = 0);
virtual ~QGeoTileFetcher();
void stopTimer();
public Q_SLOTS:
void threadStarted();
void threadFinished();
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:
virtual bool init();
QGeoTiledMappingManagerEngine::CacheAreas cacheHint() const;
private:
QGeoTileFetcherPrivate *d_ptr;
virtual QGeoTiledMapReply *getTileImage(const QGeoTileSpec &spec) = 0;
void handleReply(QGeoTiledMapReply *reply, const QGeoTileSpec &spec);
Q_DECLARE_PRIVATE(QGeoTileFetcher)
Q_DISABLE_COPY(QGeoTileFetcher)
friend class QGeoTiledMappingManagerEngine;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif
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