111 lines
4.3 KiB
C++
111 lines
4.3 KiB
C++
#include "layers.hpp"
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#include <mbgl/style/layer.hpp>
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#include <mbgl/style/layers/background_layer.hpp>
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#include <mbgl/style/layers/circle_layer.hpp>
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#include <mbgl/style/layers/fill_extrusion_layer.hpp>
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#include <mbgl/style/layers/fill_layer.hpp>
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#include <mbgl/style/layers/heatmap_layer.hpp>
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#include <mbgl/style/layers/hillshade_layer.hpp>
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#include <mbgl/style/layers/line_layer.hpp>
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#include <mbgl/style/layers/raster_layer.hpp>
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#include <mbgl/style/layers/symbol_layer.hpp>
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#include <mbgl/style/layers/custom_layer.hpp>
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#include "background_layer.hpp"
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#include "circle_layer.hpp"
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#include "custom_layer.hpp"
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#include "fill_extrusion_layer.hpp"
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#include "fill_layer.hpp"
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#include "heatmap_layer.hpp"
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#include "hillshade_layer.hpp"
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#include "line_layer.hpp"
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#include "raster_layer.hpp"
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#include "symbol_layer.hpp"
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#include "unknown_layer.hpp"
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#include "fill_extrusion_layer.hpp"
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namespace mbgl {
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namespace android {
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// Mapping from style layers to peer classes
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template <class> struct PeerType {};
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template <> struct PeerType<style::BackgroundLayer> { using Type = android::BackgroundLayer; };
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template <> struct PeerType<style::CircleLayer> { using Type = android::CircleLayer; };
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template <> struct PeerType<style::FillExtrusionLayer> { using Type = android::FillExtrusionLayer; };
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template <> struct PeerType<style::FillLayer> { using Type = android::FillLayer; };
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template <> struct PeerType<style::HeatmapLayer> { using Type = android::HeatmapLayer; };
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template <> struct PeerType<style::HillshadeLayer> { using Type = android::HillshadeLayer; };
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template <> struct PeerType<style::LineLayer> { using Type = android::LineLayer; };
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template <> struct PeerType<style::RasterLayer> { using Type = android::RasterLayer; };
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template <> struct PeerType<style::SymbolLayer> { using Type = android::SymbolLayer; };
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template <> struct PeerType<style::CustomLayer> { using Type = android::CustomLayer; };
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// Inititalizes a non-owning peer
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struct LayerPeerIntitializer {
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mbgl::Map& map;
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template <class LayerType>
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Layer* operator()(LayerType& layer) {
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return new typename PeerType<LayerType>::Type(map, layer);
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}
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};
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static Layer* initializeLayerPeer(mbgl::Map& map, mbgl::style::Layer& coreLayer) {
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Layer* layer = coreLayer.accept(LayerPeerIntitializer {map});
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return layer ? layer : new UnknownLayer(map, coreLayer);
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}
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// Initializes an owning peer
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// Only usable once since it needs to pass on ownership
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// of the given layer and thus enforced to be an rvalue
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struct UniqueLayerPeerIntitializer {
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mbgl::Map& map;
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std::unique_ptr<style::Layer> layer;
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template <class LayerType>
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Layer* operator()(LayerType&) && {
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return new typename PeerType<LayerType>::Type(
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map,
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std::unique_ptr<LayerType>(layer.release()->as<LayerType>())
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);
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}
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};
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static Layer* initializeLayerPeer(Map& map, std::unique_ptr<mbgl::style::Layer> coreLayer) {
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Layer* layer = coreLayer->accept(UniqueLayerPeerIntitializer {map, std::move(coreLayer)});
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return layer ? layer : new UnknownLayer(map, std::move(coreLayer));
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}
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jni::Local<jni::Object<Layer>> createJavaLayerPeer(jni::JNIEnv& env, Map& map, style::Layer& coreLayer) {
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std::unique_ptr<Layer> peerLayer = std::unique_ptr<Layer>(initializeLayerPeer(map, coreLayer));
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jni::Local<jni::Object<Layer>> result = peerLayer->createJavaPeer(env);
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peerLayer.release();
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return result;
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}
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jni::Local<jni::Object<Layer>> createJavaLayerPeer(jni::JNIEnv& env, mbgl::Map& map, std::unique_ptr<mbgl::style::Layer> coreLayer) {
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std::unique_ptr<Layer> peerLayer = std::unique_ptr<Layer>(initializeLayerPeer(map, std::move(coreLayer)));
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jni::Local<jni::Object<Layer>> result = peerLayer->createJavaPeer(env);
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peerLayer.release();
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return result;
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}
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void registerNativeLayers(jni::JNIEnv& env) {
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Layer::registerNative(env);
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BackgroundLayer::registerNative(env);
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CircleLayer::registerNative(env);
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CustomLayer::registerNative(env);
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FillExtrusionLayer::registerNative(env);
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FillLayer::registerNative(env);
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HeatmapLayer::registerNative(env);
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HillshadeLayer::registerNative(env);
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LineLayer::registerNative(env);
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RasterLayer::registerNative(env);
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SymbolLayer::registerNative(env);
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UnknownLayer::registerNative(env);
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}
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} // namespace android
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} // namespace mbgl
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