QGeoTileCache::QGeoTileCache(const QString &directory, QObject *parent)
: QObject(parent), directory_(directory),
minTextureUsage_(0), extraTextureUsage_(0)
{
qRegisterMetaType<QGeoTileSpec>();
qRegisterMetaType<QList<QGeoTileSpec> >();
qRegisterMetaType<QSet<QGeoTileSpec> >();
// We keep default values here so that they are in one place
// rather than in each individual plugin (the plugins can
// of course override them)
if (directory_.isEmpty()) {
QString dirname = QLatin1String(".tilecache");
QDir home = QDir::home();
if (!home.exists(dirname))
home.mkdir(dirname);
directory_ = home.filePath(dirname);
}
// default values
setMaxDiskUsage(20 * 1024 * 1024);
setMaxMemoryUsage(3 * 1024 * 1024);
setExtraTextureUsage(6 * 1024 * 1024);
loadTiles();
}
QGeoTileCache::QGeoTileCache(const QString &directory, QObject *parent)
: QObject(parent), directory_(directory),
minTextureUsage_(0), extraTextureUsage_(0)
{
qRegisterMetaType<QGeoTileSpec>();
qRegisterMetaType<QList<QGeoTileSpec> >();
qRegisterMetaType<QSet<QGeoTileSpec> >();
// We keep default values here so that they are in one place
// rather than in each individual plugin (the plugins can
// of course override them)
const QString basePath = QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation)
+ QLatin1String("/QtLocation");
// delete old tiles from QtLocation 5.4 or prior
// TODO Remove cache cleanup in Qt 6
QDir baseDir(basePath);
if (baseDir.exists()) {
const QStringList oldCacheFiles = baseDir.entryList(QDir::Files);
foreach (const QString& file, oldCacheFiles)
baseDir.remove(file);
}
if (directory_.isEmpty()) {
directory_ = basePath;
qWarning() << "Plugin uses uninitialized directory for QGeoTileCache"
" which will was deleted during startup";
}
QDir::root().mkpath(directory_);
// default values
setMaxDiskUsage(20 * 1024 * 1024);
setMaxMemoryUsage(3 * 1024 * 1024);
setExtraTextureUsage(6 * 1024 * 1024);
loadTiles();
}
