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#pragma once
#include <mbgl/style/color_ramp_property_value.hpp>
#include <mbgl/style/data_driven_property_value.hpp>
#include <mbgl/style/property_value.hpp>
#include "../../conversion/conversion.hpp"
#include "../../conversion/constant.hpp"
#include "types.hpp"
#include "function.hpp"
namespace mbgl {
namespace android {
namespace conversion {
/**
* Conversion from core property value types to Java property value types
*/
template <typename T>
class PropertyValueEvaluator {
public:
PropertyValueEvaluator(jni::JNIEnv& _env) : env(_env) {}
jni::jobject* operator()(const mbgl::style::Undefined) const {
return nullptr;
}
jni::jobject* operator()(const T &value) const {
Result<jni::jobject*> result = convert<jni::jobject*>(env, value);
return *result;
}
jni::jobject* operator()(const mbgl::style::CameraFunction<T> &value) const {
return *convert<jni::Object<android::gson::JsonElement>, mbgl::style::CameraFunction<T>>(env, value);
}
jni::jobject* operator()(const mbgl::style::SourceFunction<T> &value) const {
return *convert<jni::Object<android::gson::JsonElement>, mbgl::style::SourceFunction<T>>(env, value);
}
jni::jobject* operator()(const mbgl::style::CompositeFunction<T> &value) const {
return *convert<jni::Object<android::gson::JsonElement>, mbgl::style::CompositeFunction<T>>(env, value);
}
private:
jni::JNIEnv& env;
};
/**
* Convert core property values to java
*/
template <class T>
struct Converter<jni::jobject*, mbgl::style::PropertyValue<T>> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::PropertyValue<T>& value) const {
PropertyValueEvaluator<T> evaluator(env);
return value.evaluate(evaluator);
}
};
/**
* Convert core data driven property values to java
*/
template <class T>
struct Converter<jni::jobject*, mbgl::style::DataDrivenPropertyValue<T>> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::DataDrivenPropertyValue<T>& value) const {
PropertyValueEvaluator<T> evaluator(env);
return value.evaluate(evaluator);
}
};
/**
* Convert core heat map color property value to java
*/
template <>
struct Converter<jni::jobject*, mbgl::style::ColorRampPropertyValue> {
Result<jni::jobject*> operator()(jni::JNIEnv& env, const mbgl::style::ColorRampPropertyValue value) const {
PropertyValueEvaluator<mbgl::style::ColorRampPropertyValue> evaluator(env);
return *convert<jni::jobject*>(env, value.evaluate(evaluator));
}
};
} // namespace conversion
} // namespace android
} // namespace mbgl
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