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#pragma once
#include <mbgl/style/property_value.hpp>
#include "../../conversion/conversion.hpp"
#include "../../conversion/constant.hpp"
#include "types.hpp"
#include "../../java/lang.hpp"
#include "../functions/stop.hpp"
#include "../functions/categorical_stops.hpp"
#include "../functions/exponential_stops.hpp"
#include "../functions/identity_stops.hpp"
#include "../functions/interval_stops.hpp"
#include <jni/jni.hpp>
#include "json.hpp"
#include <tuple>
#include <map>
namespace mbgl {
namespace android {
namespace conversion {
/**
* Conversion from core composite value to java type
*/
class CategoricalValueEvaluator {
public:
CategoricalValueEvaluator(jni::JNIEnv& _env) : env(_env) {}
template <class T>
jni::jobject* operator()(const T &value) const {
return *convert<jni::jobject*, T>(env, value);
}
private:
jni::JNIEnv& env;
};
/**
* Conversion from core composite value to java type
*/
template <>
struct Converter<jni::jobject*, mbgl::style::CategoricalValue> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::CategoricalValue& value) const {
CategoricalValueEvaluator evaluator(env);
return apply_visitor(evaluator, value);
}
};
template <class I, class O>
jni::Array<jni::Object<Stop>> toFunctionStopJavaArray(jni::JNIEnv& env, std::map<I, O> value) {
auto jarray = jni::Array<jni::Object<Stop>>::New(env, value.size(), Stop::javaClass);
size_t i = 0;
for (auto const& stop : value) {
jni::jobject* in = *convert<jni::jobject*, I>(env, stop.first);
jni::jobject* out = *convert<jni::jobject*, O>(env, stop.second);
auto jstop = Stop::New(env, jni::Object<>(in), jni::Object<>(out));
jarray.Set(env, i, jstop);
jni::DeleteLocalRef(env, in);
jni::DeleteLocalRef(env, out);
jni::DeleteLocalRef(env, jstop);
i++;
}
return jarray;
}
template <class I, class O>
jni::Array<jni::Object<Stop>> toFunctionStopJavaArray(jni::JNIEnv& env, std::map<float, std::map<I, O>> value) {
auto jarray = jni::Array<jni::Object<Stop>>::New(env, value.size(), Stop::javaClass);
for (auto const& zoomLevelMap : value) {
size_t i = 0;
for (auto const& stop: zoomLevelMap.second) {
auto zoom = jni::Object<java::lang::Number>(*convert<jni::jobject*>(env, zoomLevelMap.first));
auto in = jni::Object<>(*convert<jni::jobject*, I>(env, stop.first));
auto out = jni::Object<>(*convert<jni::jobject*, O>(env, stop.second));
auto compositeValue = Stop::CompositeValue::New(env, zoom, in);
auto jstop = Stop::New(env, compositeValue, out);
jarray.Set(env, i, jstop);
jni::DeleteLocalRef(env, zoom);
jni::DeleteLocalRef(env, in);
jni::DeleteLocalRef(env, out);
jni::DeleteLocalRef(env, compositeValue);
jni::DeleteLocalRef(env, jstop);
i++;
}
}
return jarray;
}
template <class I, typename O>
inline jni::jobject* convertCompositeStopsArray(jni::JNIEnv& env, std::map<float, std::map<I, O>> value) {
static jni::jclass* javaClass = jni::NewGlobalRef(env, &jni::FindClass(env, "com/mapbox/mapboxsdk/style/functions/stops/Stop")).release();
static jni::jmethodID* constructor = &jni::GetMethodID(env, *javaClass, "<init>", "(Ljava/lang/Object;Ljava/lang/Object;)V");
jni::jarray<jni::jobject>& jarray = jni::NewObjectArray(env, value.size(), *javaClass);
size_t i = 0;
for (auto const& stop : value) {
jni::jobject* in = *convert<jni::jobject*, I>(env, stop.first);
jni::jobject* out = *convert<jni::jobject*, O>(env, stop.second);
jni::SetObjectArrayElement(env, jarray, i, &jni::NewObject(env, *javaClass, *constructor, in, out));
i++;
jni::DeleteLocalRef(env, in);
jni::DeleteLocalRef(env, out);
}
return &jarray;
}
/**
* Conversion from core function stops to Stops java subclasses
*/
template <class T>
class StopsEvaluator {
public:
StopsEvaluator(jni::JNIEnv& _env) : env(_env) {}
jni::jobject* operator()(const mbgl::style::CategoricalStops<T> &value) const {
return CategoricalStops::New(env, toFunctionStopJavaArray(env, value.stops)).Get();
}
jni::jobject* operator()(const mbgl::style::CompositeCategoricalStops<T> &value) const {
return CategoricalStops::New(env, toFunctionStopJavaArray(env, value.stops)).Get();
}
jni::jobject* operator()(const mbgl::style::ExponentialStops<T> &value) const {
return ExponentialStops::New(env, jni::Object<java::lang::Float>(*convert<jni::jobject*>(env, value.base)), toFunctionStopJavaArray(env, value.stops)).Get();
}
jni::jobject* operator()(const mbgl::style::CompositeExponentialStops<T> &value) const {
return ExponentialStops::New(env, jni::Object<java::lang::Float>(*convert<jni::jobject*>(env, value.base)), toFunctionStopJavaArray(env, value.stops)).Get();
}
jni::jobject* operator()(const mbgl::style::IdentityStops<T> &) const {
return IdentityStops::New(env).Get();
}
jni::jobject* operator()(const mbgl::style::IntervalStops<T> &value) const {
return IntervalStops::New(env, toFunctionStopJavaArray(env, value.stops)).Get();
}
jni::jobject* operator()(const mbgl::style::CompositeIntervalStops<T> &value) const {
return IntervalStops::New(env, toFunctionStopJavaArray(env, value.stops)).Get();
}
private:
jni::JNIEnv& env;
};
template <class T>
struct Converter<jni::jobject*, mbgl::style::CameraFunction<T>> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::CameraFunction<T>& value) const {
static jni::jclass* clazz = jni::NewGlobalRef(env, &jni::FindClass(env, "com/mapbox/mapboxsdk/style/functions/CameraFunction")).release();
static jni::jmethodID* constructor = &jni::GetMethodID(env, *clazz, "<init>", "(Lcom/mapbox/mapboxsdk/style/functions/stops/Stops;)V");
StopsEvaluator<T> evaluator(env);
jni::jobject* stops = apply_visitor(evaluator, value.stops);
jni::jobject* converted = &jni::NewObject(env, *clazz, *constructor, stops);
return { converted };
}
};
template <class T>
struct Converter<jni::jobject*, mbgl::style::SourceFunction<T>> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::SourceFunction<T>& value) const {
static jni::jclass* clazz = jni::NewGlobalRef(env, &jni::FindClass(env, "com/mapbox/mapboxsdk/style/functions/SourceFunction")).release();
static jni::jmethodID* constructor = &jni::GetMethodID(env, *clazz, "<init>",
"(Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)V");
// Convert expressions
mbgl::Value expressionValue = value.getExpression().serialize();
JsonEvaluator jsonEvaluator{env};
jni::jobject* converted = apply_visitor(jsonEvaluator, expressionValue);
// Convert default value
jni::jobject* defaultValue = nullptr;
if (value.defaultValue) {
defaultValue = *convert<jni::jobject*>(env, *value.defaultValue);
}
return { &jni::NewObject(env, *clazz, *constructor, defaultValue, jni::Make<jni::String>(env, value.property).Get(), converted) };
}
};
template <class T>
struct Converter<jni::jobject*, mbgl::style::CompositeFunction<T>> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::CompositeFunction<T>& value) const {
static jni::jclass* clazz = jni::NewGlobalRef(env, &jni::FindClass(env, "com/mapbox/mapboxsdk/style/functions/CompositeFunction")).release();
static jni::jmethodID* constructor = &jni::GetMethodID(env, *clazz, "<init>",
"(Ljava/lang/Object;Ljava/lang/String;Lcom/mapbox/mapboxsdk/style/functions/stops/Stops;)V");
// Convert stops
StopsEvaluator<T> evaluator(env);
jni::jobject* stops = apply_visitor(evaluator, value.stops);
// Convert default value
jni::jobject* defaultValue = nullptr;
if (value.defaultValue) {
defaultValue = *convert<jni::jobject*>(env, *value.defaultValue);
}
return { &jni::NewObject(env, *clazz, *constructor, defaultValue, jni::Make<jni::String>(env, value.property).Get(), stops) };
}
};
} // namespace conversion
} // namespace android
} // namespace mbgl
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