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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/segmentation_platform/public/android/input_context_android.h"
#include <jni.h>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/check.h"
#include "base/memory/scoped_refptr.h"
#include "base/time/time.h"
#include "components/segmentation_platform/public/input_context.h"
#include "components/segmentation_platform/public/types/processed_value.h"
#include "url/android/gurl_android.h"
#include "url/gurl.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/segmentation_platform/public/jni_headers/InputContext_jni.h"
using base::android::JavaParamRef;
namespace segmentation_platform {
namespace {
// Takes a pair of java arrays with keys and values, converts them to native
// types and inserts then at the given InputContext. Keys are always strings.
// Values are converted from a java array of type JV (e.g. jintArray) to an
// std::vector<NV> where NV is a native value type (e.g. int). A function to
// convert from java array to vector of native values is required.
template <class JV, class NV>
void ConvertAndAddToInputContext(
JNIEnv* env,
InputContext* input_context,
const base::android::JavaRef<jobjectArray>& java_keys,
const base::android::JavaRef<JV>& java_values,
void (*converter)(JNIEnv*,
const base::android::JavaRef<JV>&,
std::vector<NV>*)) {
std::vector<std::string> native_keys;
std::vector<NV> native_values;
base::android::AppendJavaStringArrayToStringVector(env, java_keys,
&native_keys);
converter(env, java_values, &native_values);
CHECK(native_keys.size() == native_values.size())
<< "Key and value count must be equal: " << native_keys.size()
<< " != " << native_values.size();
for (size_t i = 0; i < native_keys.size(); i++) {
input_context->metadata_args.emplace(native_keys[i], native_values[i]);
}
}
void JavaGURLArrayToGURLVector(
JNIEnv* env,
const base::android::JavaRef<jobjectArray>& j_gurls,
std::vector<GURL>* ret) {
*ret = jni_zero::FromJniArray<std::vector<GURL>>(env, j_gurls);
}
static void JavaLongArrayToBaseTimeVector(
JNIEnv* env,
const base::android::JavaRef<jlongArray>& java_values,
std::vector<base::Time>* out_times) {
std::vector<int64_t> time_values;
base::android::JavaLongArrayToInt64Vector(env, java_values, &time_values);
for (int64_t time_value : time_values) {
out_times->emplace_back(
base::Time::FromMillisecondsSinceUnixEpoch(time_value));
}
}
} // namespace
// static
scoped_refptr<InputContext> InputContextAndroid::ToNativeInputContext(
JNIEnv* env,
const base::android::JavaRef<jobject>& j_input_context) {
if (!j_input_context) {
return nullptr;
}
scoped_refptr<InputContext> input_context =
base::MakeRefCounted<InputContext>();
Java_InputContext_fillNativeInputContext(
env, j_input_context, reinterpret_cast<intptr_t>(input_context.get()));
return input_context;
}
void InputContextAndroid::FromJavaParams(
JNIEnv* env,
const jlong input_context_ptr,
const base::android::JavaRef<jobjectArray>& jboolean_keys,
const base::android::JavaRef<jbooleanArray>& jboolean_values,
const base::android::JavaRef<jobjectArray>& jint_keys,
const base::android::JavaRef<jintArray>& jint_values,
const base::android::JavaRef<jobjectArray>& jfloat_keys,
const base::android::JavaRef<jfloatArray>& jfloat_values,
const base::android::JavaRef<jobjectArray>& jdouble_keys,
const base::android::JavaRef<jdoubleArray>& jdouble_values,
const base::android::JavaRef<jobjectArray>& jstring_keys,
const base::android::JavaRef<jobjectArray>& jstring_values,
const base::android::JavaRef<jobjectArray>& jtime_keys,
const base::android::JavaRef<jlongArray>& jtime_values,
const base::android::JavaRef<jobjectArray>& jint64_keys,
const base::android::JavaRef<jlongArray>& jint64_values,
const base::android::JavaRef<jobjectArray>& jurl_keys,
const base::android::JavaRef<jobjectArray>& jurl_values) {
InputContext* input_context =
reinterpret_cast<InputContext*>(input_context_ptr);
ConvertAndAddToInputContext(env, input_context, jboolean_keys,
jboolean_values,
base::android::JavaBooleanArrayToBoolVector);
ConvertAndAddToInputContext(env, input_context, jint_keys, jint_values,
base::android::JavaIntArrayToIntVector);
ConvertAndAddToInputContext(env, input_context, jfloat_keys, jfloat_values,
base::android::JavaFloatArrayToFloatVector);
ConvertAndAddToInputContext(env, input_context, jdouble_keys, jdouble_values,
base::android::JavaDoubleArrayToDoubleVector);
ConvertAndAddToInputContext<jobjectArray, std::string>(
env, input_context, jstring_keys, jstring_values,
base::android::AppendJavaStringArrayToStringVector);
ConvertAndAddToInputContext(env, input_context, jtime_keys, jtime_values,
JavaLongArrayToBaseTimeVector);
ConvertAndAddToInputContext(env, input_context, jint64_keys, jint64_values,
base::android::JavaLongArrayToInt64Vector);
ConvertAndAddToInputContext(env, input_context, jurl_keys, jurl_values,
JavaGURLArrayToGURLVector);
}
static void JNI_InputContext_FillNative(
JNIEnv* env,
const jlong input_context_ptr,
const JavaParamRef<jobjectArray>& jboolean_keys,
const JavaParamRef<jbooleanArray>& jboolean_values,
const JavaParamRef<jobjectArray>& jint_keys,
const JavaParamRef<jintArray>& jint_values,
const JavaParamRef<jobjectArray>& jfloat_keys,
const JavaParamRef<jfloatArray>& jfloat_values,
const JavaParamRef<jobjectArray>& jdouble_keys,
const JavaParamRef<jdoubleArray>& jdouble_values,
const JavaParamRef<jobjectArray>& jstring_keys,
const JavaParamRef<jobjectArray>& jstring_values,
const JavaParamRef<jobjectArray>& jtime_keys,
const JavaParamRef<jlongArray>& jtime_values,
const JavaParamRef<jobjectArray>& jint64_keys,
const JavaParamRef<jlongArray>& jint64_values,
const JavaParamRef<jobjectArray>& jurl_keys,
const JavaParamRef<jobjectArray>& jurl_values) {
segmentation_platform::InputContextAndroid::FromJavaParams(
env, input_context_ptr, jboolean_keys, jboolean_values, jint_keys,
jint_values, jfloat_keys, jfloat_values, jdouble_keys, jdouble_values,
jstring_keys, jstring_values, jtime_keys, jtime_values, jint64_keys,
jint64_values, jurl_keys, jurl_values);
}
} // namespace segmentation_platform
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