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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
#include "qabstractgeotilecache_p.h"
#include "qgeotilespec_p.h"
#include "qgeomappingmanager_p.h"
#include <QDir>
#include <QStandardPaths>
#include <QMetaType>
#include <QPixmap>
#include <QDebug>
Q_DECLARE_METATYPE(QList<QGeoTileSpec>)
Q_DECLARE_METATYPE(QSet<QGeoTileSpec>)
QT_BEGIN_NAMESPACE
QAbstractGeoTileCache::QAbstractGeoTileCache(QObject *parent)
: QObject(parent)
{
qRegisterMetaType<QGeoTileSpec>();
qRegisterMetaType<QList<QGeoTileSpec> >();
qRegisterMetaType<QSet<QGeoTileSpec> >();
}
QAbstractGeoTileCache::~QAbstractGeoTileCache()
{
}
void QAbstractGeoTileCache::printStats()
{
}
void QAbstractGeoTileCache::handleError(const QGeoTileSpec &, const QString &error)
{
qWarning() << "tile request error " << error;
}
void QAbstractGeoTileCache::setMaxDiskUsage(int diskUsage)
{
Q_UNUSED(diskUsage);
}
int QAbstractGeoTileCache::maxDiskUsage() const
{
return 0;
}
int QAbstractGeoTileCache::diskUsage() const
{
return 0;
}
void QAbstractGeoTileCache::setMaxMemoryUsage(int memoryUsage)
{
Q_UNUSED(memoryUsage);
}
int QAbstractGeoTileCache::maxMemoryUsage() const
{
return 0;
}
int QAbstractGeoTileCache::memoryUsage() const
{
return 0;
}
QString QAbstractGeoTileCache::baseCacheDirectory()
{
QString dir;
// Try the shared cache first and use a specific directory. (e.g. ~/.cache/QtLocation)
// If this is not supported by the platform, use the application-specific cache
// location. (e.g. ~/.cache/<app_name>/QtLocation)
dir = QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation);
if (!dir.isEmpty()) {
// The shared cache may not be writable when application isolation is enforced.
static bool writable = false;
static bool writableChecked = false;
if (!writableChecked) {
writableChecked = true;
QDir::root().mkpath(dir);
QFile writeTestFile(QDir(dir).filePath(QStringLiteral("qt_cache_check")));
writable = writeTestFile.open(QIODevice::WriteOnly);
if (writable)
writeTestFile.remove();
}
if (!writable)
dir = QString();
}
if (dir.isEmpty())
dir = QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
if (!dir.endsWith(QLatin1Char('/')))
dir += QLatin1Char('/');
return dir;
}
QString QAbstractGeoTileCache::baseLocationCacheDirectory()
{
// This scheme allows to have the "tiles" prefix hardcoded here
// NOTE: changing the Qt version here requires changing it also in QGeoFileTileCache::init,
// in the code that remove old version tiles !
return baseCacheDirectory() + QLatin1String("QtLocation/5.8/tiles/");
}
QT_END_NAMESPACE
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