summaryrefslogtreecommitdiff
path: root/src/plugins/geoservices/nokia/qgeotilefetcher_nokia.cpp
blob: 2e16a5d8698fbdacf4bbbf2e16b83d82a529d5bf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qgeotilefetcher_nokia.h"
#include "qgeomapreply_nokia.h"
#include "qgeotiledmap_nokia.h"
#include "qgeotiledmappingmanagerengine_nokia.h"
#include "qgeonetworkaccessmanager.h"
#include "qgeouriprovider.h"
#include "uri_constants.h"

#include <QtLocation/private/qgeotilespec_p.h>

#include <QDebug>
#include <QSize>
#include <QDir>
#include <QUrl>
#include <QTime>

#include <map>

QT_BEGIN_NAMESPACE

namespace
{
    QString sizeToStr(int size)
    {
        if (size > 256)
            return QStringLiteral("512");
        else if (size > 128)
            return QStringLiteral("256");
        else
            return QStringLiteral("128");   // 128 pixel tiles are deprecated.
    }

    bool isAerialType(const QString mapScheme)
    {
        return mapScheme.startsWith("satellite") || mapScheme.startsWith("hybrid") || mapScheme.startsWith("terrain");
    }
}
QGeoTileFetcherNokia::QGeoTileFetcherNokia(const QVariantMap &parameters,
                                           QGeoNetworkAccessManager *networkManager,
                                           QGeoTiledMappingManagerEngineNokia *engine,
                                           const QSize &tileSize,
                                           int ppi)
:   QGeoTileFetcher(engine), m_engineNokia(engine), m_networkManager(networkManager), m_ppi(ppi), m_copyrightsReply(0),
    m_baseUriProvider(new QGeoUriProvider(this, parameters, QStringLiteral("here.mapping.host"), MAP_TILES_HOST)),
    m_aerialUriProvider(new QGeoUriProvider(this, parameters, QStringLiteral("here.mapping.host.aerial"), MAP_TILES_HOST_AERIAL))
{
    Q_ASSERT(networkManager);
    m_tileSize = qMax(tileSize.width(), tileSize.height());
    m_networkManager->setParent(this);

    m_applicationId = parameters.value(QStringLiteral("here.app_id")).toString();
    m_token = parameters.value(QStringLiteral("here.token")).toString();
}

QGeoTileFetcherNokia::~QGeoTileFetcherNokia()
{
}

QGeoTiledMapReply *QGeoTileFetcherNokia::getTileImage(const QGeoTileSpec &spec)
{
    // TODO add error detection for if request.connectivityMode() != QGraphicsGeoMap::OnlineMode
    int ppi = m_ppi;
    if ((spec.mapId() == 2) || (spec.mapId() == 12) || (spec.mapId() == 21)) {
        ppi = 72;  // HiDpi apparently not supported for these maps
    } else if ((spec.mapId() >= 7 && spec.mapId() <= 11)
            || (spec.mapId() == 14)
            || (spec.mapId() == 16)
            || (spec.mapId() == 18)
            || (spec.mapId() == 20)) {
        ppi = 250; // LoDpi apparently not supported for these maps
    }

    QString rawRequest = getRequestString(spec, ppi);
    if (rawRequest.isEmpty()) {
        return new QGeoTiledMapReply(QGeoTiledMapReply::UnknownError,
                                     tr("Mapping manager no longer exists"), this);
    }

    QNetworkRequest netRequest((QUrl(rawRequest))); // The extra pair of parens disambiguates this from a function declaration
    netRequest.setAttribute(QNetworkRequest::HttpPipeliningAllowedAttribute, true);

    QNetworkReply *netReply = m_networkManager->get(netRequest);

    QGeoTiledMapReply *mapReply = new QGeoMapReplyNokia(netReply, spec);

    return mapReply;
}

QString QGeoTileFetcherNokia::getRequestString(const QGeoTileSpec &spec, int ppi)
{
    if (!m_engineNokia)
        return QString();

    static const QString http("http://");
    static const QString path("/maptile/2.1/maptile/newest/");
    static const QChar slash('/');

    QString requestString = http;

    const QString mapScheme = m_engineNokia->getScheme(spec.mapId());
    if (isAerialType(mapScheme))
        requestString += m_aerialUriProvider->getCurrentHost();
    else
        requestString += m_baseUriProvider->getCurrentHost();

    requestString += path;
    requestString += mapScheme;
    requestString += slash;
    requestString += QString::number(spec.zoom());
    requestString += slash;
    requestString += QString::number(spec.x());
    requestString += slash;
    requestString += QString::number(spec.y());
    requestString += slash;
    requestString += ((ppi > 72)) ? sizeToStr(m_tileSize * 2) : sizeToStr(m_tileSize);
    static const QString slashpng("/png8");
    requestString += slashpng;

    if (!m_token.isEmpty() && !m_applicationId.isEmpty()) { // TODO: remove the if
        requestString += "?token=";
        requestString += m_token;

        requestString += "&app_id=";
        requestString += m_applicationId;
    }

    requestString += "&ppi=" + QString::number(ppi);

    requestString += "&lg=";
    requestString += getLanguageString();
    return requestString;
}

QString QGeoTileFetcherNokia::getLanguageString() const
{
    if (!m_engineNokia)
        return QStringLiteral("ENG");

    QLocale locale = m_engineNokia.data()->locale();

    // English is the default, where no ln is specified. We hardcode the languages
    // here even though the entire list is updated automagically from the server.
    // The current languages are Arabic, Chinese, Simplified Chinese, English
    // French, German, Italian, Polish, Russian and Spanish. The default is English.
    // These are actually available from the same host under the URL: /maptiler/v2/info

    switch (locale.language()) {
    case QLocale::Arabic:
        return QStringLiteral("ARA");
    case QLocale::Chinese:
        if (locale.script() == QLocale::TraditionalChineseScript)
            return QStringLiteral("CHI");
        else
            return QStringLiteral("CHT");
    case QLocale::Dutch:
        return QStringLiteral("DUT");
    case QLocale::French:
        return QStringLiteral("FRE");
    case QLocale::German:
        return QStringLiteral("GER");
    case QLocale::Gaelic:
        return QStringLiteral("GLE");
    case QLocale::Greek:
        return QStringLiteral("GRE");
    case QLocale::Hebrew:
        return QStringLiteral("HEB");
    case QLocale::Hindi:
        return QStringLiteral("HIN");
    case QLocale::Indonesian:
        return QStringLiteral("IND");
    case QLocale::Italian:
        return QStringLiteral("ITA");
    case QLocale::Persian:
        return QStringLiteral("PER");
    case QLocale::Polish:
        return QStringLiteral("POL");
    case QLocale::Portuguese:
        return QStringLiteral("POR");
    case QLocale::Russian:
        return QStringLiteral("RUS");
    case QLocale::Sinhala:
        return QStringLiteral("SIN");
    case QLocale::Spanish:
        return QStringLiteral("SPA");
    case QLocale::Thai:
        return QStringLiteral("THA");
    case QLocale::Turkish:
        return QStringLiteral("TUR");
    case QLocale::Ukrainian:
        return QStringLiteral("UKR");
    case QLocale::Urdu:
        return QStringLiteral("URD");
    case QLocale::Vietnamese:
        return QStringLiteral("VIE");

    default:
        return QStringLiteral("ENG");
    }
    // No "lg" param means that we want English.
}

QString QGeoTileFetcherNokia::token() const
{
    return m_token;
}

QString QGeoTileFetcherNokia::applicationId() const
{
    return m_applicationId;
}

void QGeoTileFetcherNokia::copyrightsFetched()
{
    if (m_engineNokia && m_copyrightsReply->networkError() == QNetworkReply::NoError) {
        QMetaObject::invokeMethod(m_engineNokia.data(),
                                  "loadCopyrightsDescriptorsFromJson",
                                  Qt::QueuedConnection,
                                  Q_ARG(QByteArray, m_copyrightsReply->readAll()));
    }

    m_copyrightsReply->deleteLater();
}

void QGeoTileFetcherNokia::versionFetched()
{
    if (m_engineNokia && m_versionReply->networkError() == QNetworkReply::NoError) {
        QMetaObject::invokeMethod(m_engineNokia.data(),
                                  "parseNewVersionInfo",
                                  Qt::QueuedConnection,
                                  Q_ARG(QByteArray, m_versionReply->readAll()));
    }

    m_versionReply->deleteLater();
}

void QGeoTileFetcherNokia::fetchCopyrightsData()
{
    QString copyrightUrl = QStringLiteral("http://");

    copyrightUrl += m_baseUriProvider->getCurrentHost();
    copyrightUrl += QStringLiteral("/maptile/2.1/copyright/newest?output=json");

    if (!token().isEmpty()) {
        copyrightUrl += QStringLiteral("&token=");
        copyrightUrl += token();
    }

    if (!applicationId().isEmpty()) {
        copyrightUrl += QStringLiteral("&app_id=");
        copyrightUrl += applicationId();
    }

    QNetworkRequest netRequest((QUrl(copyrightUrl)));
    m_copyrightsReply = m_networkManager->get(netRequest);
    if (m_copyrightsReply->networkError() != QNetworkReply::NoError) {
        qWarning() << __FUNCTION__ << m_copyrightsReply->errorString();
        m_copyrightsReply->deleteLater();
        return;
    }

    if (m_copyrightsReply->isFinished()) {
        copyrightsFetched();
    } else {
        connect(m_copyrightsReply, SIGNAL(finished()), this, SLOT(copyrightsFetched()));
    }
}

void QGeoTileFetcherNokia::fetchVersionData()
{
    QString versionUrl = QStringLiteral("http://");

    versionUrl += m_baseUriProvider->getCurrentHost();
    versionUrl += QStringLiteral("/maptile/2.1/version");

    if (!token().isEmpty()) {
        versionUrl += QStringLiteral("?token=");
        versionUrl += token();
    }

    if (!applicationId().isEmpty()) {
        versionUrl += QStringLiteral("&app_id=");
        versionUrl += applicationId();
    }

    QNetworkRequest netRequest((QUrl(versionUrl)));
    m_versionReply = m_networkManager->get(netRequest);

    if (m_versionReply->networkError() != QNetworkReply::NoError) {
        qWarning() << __FUNCTION__ << m_versionReply->errorString();
        m_versionReply->deleteLater();
        return;
    }

    if (m_versionReply->isFinished())
        versionFetched();
    else
        connect(m_versionReply, SIGNAL(finished()), this, SLOT(versionFetched()));
}

QT_END_NAMESPACE