1 // Copyright 2021 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/base_jni/Features_jni.h"
6 #include "base/android/jni_string.h"
7 #include "base/feature_list.h"
8 #include "base/metrics/field_trial_params.h"
9
10 namespace base {
11 namespace android {
12
JNI_Features_IsEnabled(JNIEnv * env,jlong native_feature_pointer)13 jboolean JNI_Features_IsEnabled(JNIEnv* env, jlong native_feature_pointer) {
14 return base::FeatureList::IsEnabled(
15 *reinterpret_cast<base::Feature*>(native_feature_pointer));
16 }
17
JNI_Features_GetFieldTrialParamByFeatureAsBoolean(JNIEnv * env,jlong native_feature_pointer,const JavaParamRef<jstring> & jparam_name,const jboolean jdefault_value)18 jboolean JNI_Features_GetFieldTrialParamByFeatureAsBoolean(
19 JNIEnv* env,
20 jlong native_feature_pointer,
21 const JavaParamRef<jstring>& jparam_name,
22 const jboolean jdefault_value) {
23 const base::Feature& feature =
24 *reinterpret_cast<base::Feature*>(native_feature_pointer);
25 const std::string& param_name = ConvertJavaStringToUTF8(env, jparam_name);
26 return base::GetFieldTrialParamByFeatureAsBool(feature, param_name,
27 jdefault_value);
28 }
29
JNI_Features_GetFieldTrialParamByFeatureAsString(JNIEnv * env,jlong native_feature_pointer,const JavaParamRef<jstring> & jparam_name)30 ScopedJavaLocalRef<jstring> JNI_Features_GetFieldTrialParamByFeatureAsString(
31 JNIEnv* env,
32 jlong native_feature_pointer,
33 const JavaParamRef<jstring>& jparam_name) {
34 const base::Feature& feature =
35 *reinterpret_cast<base::Feature*>(native_feature_pointer);
36 const std::string& param_name = ConvertJavaStringToUTF8(env, jparam_name);
37 return base::android::ConvertUTF8ToJavaString(
38 env, base::GetFieldTrialParamValueByFeature(feature, param_name));
39 }
40
41 } // namespace android
42 } // namespace base
43