updateLayers method
Implementation
void updateLayers(List<DrawableLayer> drawableLayers, int chunksCount) {
_layersCount = drawableLayers.length;
_chunksCount = chunksCount;
for (DrawableLayer drawableLayer in drawableLayers) {
MapLayer layer = drawableLayer.layer;
_featuresCount += layer.dataSource.features.length;
_originalPointsCount += layer.dataSource.pointsCount;
}
_simplifiedPointsCount = 0;
notifyListeners();
}