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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>
#include <mbgl/style/conversion/filter.hpp>
#include <mbgl/style/conversion_impl.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;
}
std::string Layer::getSourceID() const {
return baseImpl->source;
}
std::string Layer::getSourceLayer() const {
return baseImpl->sourceLayer;
}
void Layer::setSourceLayer(const std::string& sourceLayer) {
auto impl_ = mutableBaseImpl();
impl_->sourceLayer = sourceLayer;
baseImpl = std::move(impl_);
}
const Filter& Layer::getFilter() const {
return baseImpl->filter;
}
void Layer::setFilter(const Filter& filter) {
auto impl_ = mutableBaseImpl();
impl_->filter = filter;
baseImpl = std::move(impl_);
observer->onLayerChanged(*this);
}
VisibilityType Layer::getVisibility() const {
return baseImpl->visibility;
}
void Layer::setVisibility(VisibilityType value) {
if (value == getVisibility())
return;
auto impl_ = mutableBaseImpl();
impl_->visibility = value;
baseImpl = std::move(impl_);
observer->onLayerChanged(*this);
}
float Layer::getMinZoom() const {
return baseImpl->minZoom;
}
float Layer::getMaxZoom() const {
return baseImpl->maxZoom;
}
void Layer::setMinZoom(float minZoom) {
auto impl_ = mutableBaseImpl();
impl_->minZoom = minZoom;
baseImpl = std::move(impl_);
observer->onLayerChanged(*this);
}
void Layer::setMaxZoom(float maxZoom) {
auto impl_ = mutableBaseImpl();
impl_->maxZoom = maxZoom;
baseImpl = std::move(impl_);
observer->onLayerChanged(*this);
}
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;
}
const LayerTypeInfo* Layer::getTypeInfo() const noexcept {
return baseImpl->getTypeInfo();
}
optional<std::string> LayerFactory::getSource(const conversion::Convertible& value) const noexcept {
auto sourceValue = objectMember(value, "source");
if (!sourceValue) {
return nullopt;
}
optional<std::string> source = toString(*sourceValue);
if (!source) {
return nullopt;
}
return source;
}
bool LayerFactory::initSourceLayerAndFilter(Layer* layer, const conversion::Convertible& value) const noexcept {
auto sourceLayerValue = objectMember(value, "source-layer");
if (sourceLayerValue) {
optional<std::string> sourceLayer = toString(*sourceLayerValue);
if (!sourceLayer) {
return false;
}
layer->setSourceLayer(*sourceLayer);
}
auto filterValue = objectMember(value, "filter");
if (filterValue) {
conversion::Error error;
optional<Filter> filter = conversion::convert<Filter>(*filterValue, error);
if (!filter) {
return false;
}
layer->setFilter(*filter);
}
return true;
}
} // namespace style
} // namespace mbgl
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