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#include "../core/jni_helper.hpp"
#include "Framework.hpp"
#include "map/place_page_info.hpp"
#include "ugc/api.hpp"
#include "ugc/types.hpp"
#include "indexer/feature_decl.hpp"
#include "base/logging.hpp"
namespace
{
class FeatureIdBuilder
{
public:
FeatureID Build(JNIEnv * env, jobject obj)
{
Init(env);
jstring jcountryName = static_cast<jstring>(env->GetObjectField(obj, m_countryName));
jlong jversion = env->GetLongField(obj, m_version);
jint jindex = env->GetIntField(obj, m_index);
auto const countryName = jni::ToNativeString(env, jcountryName);
auto const version = static_cast<int64_t>(jversion);
auto const index = static_cast<uint32_t>(jindex);
auto const & ix = g_framework->GetIndex();
auto const id = ix.GetMwmIdByCountryFile(platform::CountryFile(countryName));
return FeatureID(id, index);
}
private:
void Init(JNIEnv * env)
{
if (m_initialized)
return;
m_class = jni::GetGlobalClassRef(env, "com/mapswithme/maps/FeatureId");
m_countryName = env->GetFieldID(m_class, "mCountryName", "Ljava/lang/String;");
m_version = env->GetFieldID(m_class, "mVersion", "J");
m_index = env->GetFieldID(m_class, "mIndex", "I");
m_initialized = true;
}
bool m_initialized = false;
jclass m_class;
jfieldID m_countryName;
jfieldID m_version;
jfieldID m_index;
} g_builder;
class JavaBridge
{
public:
void OnResult(JNIEnv * env, ugc::UGC const & ugc)
{
Init(env);
jni::TScopedLocalRef result(env, ToJavaUGC(env, ugc));
env->CallStaticVoidMethod(m_ugcClass, m_onResult, result.get());
}
private:
jobject ToJavaUGC(JNIEnv * env, ugc::UGC const & ugc)
{
jni::TScopedLocalObjectArrayRef ratings(env, ToJavaRatings(env, ugc.m_rating.m_ratings));
jni::TScopedLocalObjectArrayRef reviews(env, ToJavaReviews(env, ugc.m_reviews));
jobject result = env->NewObject(m_ugcClass, m_ugcCtor, ratings.get(), ugc.m_rating.m_aggValue,
reviews.get());
ASSERT(result, ());
return result;
}
jobjectArray ToJavaRatings(JNIEnv * env, std::vector<ugc::RatingRecord> const & ratings)
{
size_t const n = ratings.size();
jobjectArray result = env->NewObjectArray(n, m_ratingClass, nullptr);
for (size_t i = 0; i < n; ++i)
{
jni::TScopedLocalRef rating(env, ToJavaRating(env, ratings[i]));
env->SetObjectArrayElement(result, i, rating.get());
}
return result;
}
jobjectArray ToJavaReviews(JNIEnv * env, std::vector<ugc::Review> const & reviews)
{
size_t const n = reviews.size();
jobjectArray result = env->NewObjectArray(n, m_reviewClass, nullptr);
for (size_t i = 0; i < n; ++i)
{
jni::TScopedLocalRef review(env, ToJavaReview(env, reviews[i]));
env->SetObjectArrayElement(result, i, review.get());
}
return result;
}
jobject ToJavaRating(JNIEnv * env, ugc::RatingRecord const & ratingRecord)
{
jni::TScopedLocalRef name(env, jni::ToJavaString(env, ratingRecord.m_key));
jobject result = env->NewObject(m_ratingClass, m_ratingCtor, name.get(), ratingRecord.m_value);
ASSERT(result, ());
return result;
}
jobject ToJavaReview(JNIEnv * env, ugc::Review const & review)
{
jni::TScopedLocalRef text(env, jni::ToJavaString(env, review.m_text.m_text));
jni::TScopedLocalRef author(env, jni::ToJavaString(env, review.m_author.m_name));
jobject result = env->NewObject(m_reviewClass, m_reviewCtor, text.get(), author.get(),
ugc::ToDaysSinceEpoch(review.m_time));
ASSERT(result, ());
return result;
}
void Init(JNIEnv * env)
{
if (m_initialized)
return;
m_ugcClass = jni::GetGlobalClassRef(env, "com/mapswithme/maps/ugc/UGC");
m_ugcCtor = jni::GetConstructorID(
env, m_ugcClass,
"([Lcom/mapswithme/maps/ugc/UGC$Rating;F[Lcom/mapswithme/maps/ugc/UGC$Review;)V");
m_onResult = jni::GetStaticMethodID(env, m_ugcClass, "onUGCReceived",
"(Lcom/mapswithme/maps/ugc/UGC;)V");
m_ratingClass = jni::GetGlobalClassRef(env, "com/mapswithme/maps/ugc/UGC$Rating");
m_ratingCtor = jni::GetConstructorID(env, m_ratingClass, "(Ljava/lang/String;F)V");
m_reviewClass = jni::GetGlobalClassRef(env, "com/mapswithme/maps/ugc/UGC$Review");
m_reviewCtor =
jni::GetConstructorID(env, m_reviewClass, "(Ljava/lang/String;Ljava/lang/String;J)V");
m_initialized = true;
}
bool m_initialized = false;
jclass m_ugcClass;
jmethodID m_ugcCtor;
jmethodID m_onResult;
jclass m_ratingClass;
jmethodID m_ratingCtor;
jclass m_reviewClass;
jmethodID m_reviewCtor;
} g_bridge;
} // namespace
extern "C" {
JNIEXPORT void JNICALL Java_com_mapswithme_maps_ugc_UGC_requestUGC(JNIEnv * env, jclass /* clazz */,
jobject featureId)
{
auto const fid = g_builder.Build(env, featureId);
g_framework->RequestUGC(fid, [&](ugc::UGC const & ugc) {
JNIEnv * e = jni::GetEnv();
g_bridge.OnResult(e, ugc);
});
}
}
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