1/****************************************************************************
2**
3** Copyright (C) 2015 The Qt Company Ltd.
4** Contact: http://www.qt.io/licensing/
5**
6** This file is part of the QtLocation module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL3$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see http://www.qt.io/terms-conditions. For further
15** information use the contact form at http://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPLv3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or later as published by the Free
28** Software Foundation and appearing in the file LICENSE.GPL included in
29** the packaging of this file. Please review the following information to
30** ensure the GNU General Public License version 2.0 requirements will be
31** met: http://www.gnu.org/licenses/gpl-2.0.html.
32**
33** $QT_END_LICENSE$
34**
35****************************************************************************/
36
37#ifndef QGEOTILEDMAPPINGMANAGERENGINE_H
38#define QGEOTILEDMAPPINGMANAGERENGINE_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <QObject>
52#include <QSize>
53#include <QPair>
54#include <QtLocation/private/qlocationglobal_p.h>
55#include <QtLocation/private/qabstractgeotilecache_p.h>
56#include <QtLocation/private/qgeomaptype_p.h>
57#include <QtLocation/private/qgeomappingmanagerengine_p.h>
58#include <QtLocation/private/qgeotiledmap_p.h>
59
60
61QT_BEGIN_NAMESPACE
62
63class QGeoTiledMappingManagerEnginePrivate;
64class QGeoTileFetcher;
65class QGeoTileTexture;
66class QGeoTileSpec;
67class QGeoTiledMap;
68
69class Q_LOCATION_PRIVATE_EXPORT QGeoTiledMappingManagerEngine : public QGeoMappingManagerEngine
70{
71 Q_OBJECT
72
73public:
74 explicit QGeoTiledMappingManagerEngine(QObject *parent = 0);
75 virtual ~QGeoTiledMappingManagerEngine();
76
77 QGeoTileFetcher *tileFetcher();
78
79 QGeoMap *createMap() override;
80 void releaseMap(QGeoTiledMap *map);
81
82 QSize tileSize() const;
83 int tileVersion() const;
84
85 virtual void updateTileRequests(QGeoTiledMap *map,
86 const QSet<QGeoTileSpec> &tilesAdded,
87 const QSet<QGeoTileSpec> &tilesRemoved);
88
89 QAbstractGeoTileCache *tileCache();
90 virtual QSharedPointer<QGeoTileTexture> getTileTexture(const QGeoTileSpec &spec);
91
92 QAbstractGeoTileCache::CacheAreas cacheHint() const;
93
94protected Q_SLOTS:
95 virtual void engineTileFinished(const QGeoTileSpec &spec, const QByteArray &bytes, const QString &format);
96 virtual void engineTileError(const QGeoTileSpec &spec, const QString &errorString);
97
98Q_SIGNALS:
99 void tileError(const QGeoTileSpec &spec, const QString &errorString);
100 void tileVersionChanged();
101
102protected:
103 void setTileFetcher(QGeoTileFetcher *fetcher);
104 void setTileSize(const QSize &tileSize);
105 void setTileVersion(int version);
106 void setCacheHint(QAbstractGeoTileCache::CacheAreas cacheHint);
107 void setTileCache(QAbstractGeoTileCache *cache);
108
109 QGeoTiledMap::PrefetchStyle m_prefetchStyle;
110 QGeoTiledMappingManagerEnginePrivate *d_ptr;
111
112 Q_DECLARE_PRIVATE(QGeoTiledMappingManagerEngine)
113 Q_DISABLE_COPY(QGeoTiledMappingManagerEngine)
114
115 friend class QGeoTileFetcher;
116};
117
118QT_END_NAMESPACE
119
120#endif
121

source code of qtlocation/src/location/maps/qgeotiledmappingmanagerengine_p.h