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#include <mbgl/style/layer.hpp>
#include <mbgl/style/layer_impl.hpp>
#include <mbgl/style/layer_observer.hpp>
#include <mbgl/style/conversion/constant.hpp>
namespace mbgl {
namespace style {
static LayerObserver nullObserver;
Layer::Layer(Immutable<Impl> impl)
: baseImpl(std::move(impl)),
observer(&nullObserver) {
}
Layer::~Layer() = default;
LayerType Layer::getType() const {
return baseImpl->type;
}
std::string Layer::getID() const {
return baseImpl->id;
}
VisibilityType Layer::getVisibility() const {
return baseImpl->visibility;
}
float Layer::getMinZoom() const {
return baseImpl->minZoom;
}
float Layer::getMaxZoom() const {
return baseImpl->maxZoom;
}
void Layer::setObserver(LayerObserver* observer_) {
observer = observer_ ? observer_ : &nullObserver;
}
optional<conversion::Error> Layer::setVisibility(const conversion::Convertible& value) {
using namespace conversion;
if (isUndefined(value)) {
setVisibility(VisibilityType::Visible);
return nullopt;
}
Error error;
optional<VisibilityType> visibility = convert<VisibilityType>(value, error);
if (!visibility) {
return error;
}
setVisibility(*visibility);
return nullopt;
}
} // namespace style
} // namespace mbgl
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