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/****************************************************************************
**
** Copyright (C) 2015 Aaron McCarthy <mccarthy.aaron@gmail.com>
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qgeotiledmaposm.h"
#include "qgeotiledmappingmanagerengineosm.h"
#include "qgeotilefetcherosm.h"
#include <QtLocation/private/qgeotilespec_p.h>
QT_BEGIN_NAMESPACE
QGeoTiledMapOsm::QGeoTiledMapOsm(QGeoTiledMappingManagerEngineOsm *engine, QObject *parent)
: QGeoTiledMap(engine, parent), m_mapId(-1), m_engine(engine)
{
// Needed because evaluateCopyrights() is only triggered if visible tiles change in the map.
// It fails the first time it gets called if providers aren't resolved, and subsequent calls
// to it will be skipped until visible tiles change.
// This connection makes sure the copyrights are evaluated when copyright data are ready regardless
// of what tiles are visible.
connect(qobject_cast<QGeoTileFetcherOsm *>(engine->tileFetcher()), &QGeoTileFetcherOsm::providerDataUpdated,
this, &QGeoTiledMapOsm::onProviderDataUpdated);
}
QGeoTiledMapOsm::~QGeoTiledMapOsm()
{
}
void QGeoTiledMapOsm::evaluateCopyrights(const QSet<QGeoTileSpec> &visibleTiles)
{
if (visibleTiles.isEmpty())
return;
QGeoTileSpec tile = *visibleTiles.constBegin();
if (tile.mapId() == m_mapId)
return;
int providerId = tile.mapId() - 1;
if (providerId < 0 || providerId >= m_engine->providers().size() || !m_engine->providers().at(providerId)->isValid())
return;
m_mapId = tile.mapId();
onProviderDataUpdated(m_engine->providers().at(providerId));
}
void QGeoTiledMapOsm::onProviderDataUpdated(const QGeoTileProviderOsm *provider)
{
if (!provider->isResolved() || provider->mapType().mapId() != m_mapId)
return;
QString copyRights;
const QString mapCopy = provider->mapCopyRight();
const QString dataCopy = provider->dataCopyRight();
const QString styleCopy = provider->styleCopyRight();
if (!mapCopy.isEmpty()) {
copyRights += QStringLiteral("Map © ");
copyRights += mapCopy;
}
if (!dataCopy.isEmpty()) {
if (!copyRights.isEmpty())
copyRights += QStringLiteral("<br/>");
copyRights += QStringLiteral("Data © ");
copyRights += dataCopy;
}
if (!styleCopy.isEmpty()) {
if (!copyRights.isEmpty())
copyRights += QStringLiteral("<br/>");
copyRights += QStringLiteral("Style © ");
copyRights += styleCopy;
}
if (copyRights.isEmpty() && provider->mapType().style() == QGeoMapType::CustomMap)
copyRights = m_engine->customCopyright();
emit copyrightsChanged(copyRights);
}
QT_END_NAMESPACE
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