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#include <mbgl/layermanager/layer_manager.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/circle_layer.hpp>
#include <mbgl/style/layers/custom_layer.hpp>
#include <mbgl/style/layers/fill_extrusion_layer.hpp>
#include <mbgl/style/layers/fill_layer.hpp>
#include <mbgl/style/layers/heatmap_layer.hpp>
#include <mbgl/style/layers/hillshade_layer.hpp>
#include <mbgl/style/layers/line_layer.hpp>
#include <mbgl/style/layers/raster_layer.hpp>
#include <mbgl/style/layers/symbol_layer.hpp>
#include <map>
#include <memory>
#include <vector>
namespace mbgl {
class LayerManagerDefault final : public LayerManager {
public:
LayerManagerDefault();
private:
void addLayerType(std::unique_ptr<LayerFactory>);
// LayerManager overrides.
LayerFactory* getFactory(const std::string& type) noexcept final;
LayerFactory* getFactory(const style::LayerTypeInfo*) noexcept final;
std::vector<std::unique_ptr<LayerFactory>> factories;
std::map<std::string, LayerFactory*> typeToFactory;
};
LayerManagerDefault::LayerManagerDefault() {
addLayerType(std::make_unique<FillLayerFactory>());
addLayerType(std::make_unique<LineLayerFactory>());
addLayerType(std::make_unique<CircleLayerFactory>());
addLayerType(std::make_unique<SymbolLayerFactory>());
addLayerType(std::make_unique<RasterLayerFactory>());
addLayerType(std::make_unique<BackgroundLayerFactory>());
addLayerType(std::make_unique<HillshadeLayerFactory>());
addLayerType(std::make_unique<FillExtrusionLayerFactory>());
addLayerType(std::make_unique<HeatmapLayerFactory>());
addLayerType(std::make_unique<CustomLayerFactory>());
}
void LayerManagerDefault::addLayerType(std::unique_ptr<LayerFactory> factory) {
std::string type{factory->getTypeInfo()->type};
if (!type.empty()) {
typeToFactory.emplace(std::make_pair(std::move(type), factory.get()));
}
factories.emplace_back(std::move(factory));
}
LayerFactory* LayerManagerDefault::getFactory(const mbgl::style::LayerTypeInfo* typeInfo) noexcept {
assert(typeInfo);
for (const auto& factory: factories) {
if (factory->getTypeInfo() == typeInfo) {
return factory.get();
}
}
assert(false);
return nullptr;
}
LayerFactory* LayerManagerDefault::getFactory(const std::string& type) noexcept {
auto search = typeToFactory.find(type);
return (search != typeToFactory.end()) ? search->second : nullptr;
}
// static
LayerManager* LayerManager::get() noexcept {
static LayerManagerDefault instance;
return &instance;
}
const bool LayerManager::annotationsEnabled = true;
} // namespace mbgl
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