android_webview/browser/aw_feature_list.cc

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <string>

#include "android_webview/browser_jni_headers/AwFeatureList_jni.h"
#include "android_webview/common/aw_features.h"
#include "base/android/jni_string.h"
#include "base/feature_list.h"
#include "base/macros.h"
#include "base/notreached.h"
#include "base/stl_util.h"
#include "components/safe_browsing/core/features.h"

using base::android::ConvertJavaStringToUTF8;
using base::android::JavaParamRef;

namespace android_webview {

namespace {

// Array of features exposed through the Java AwFeatureList API. Entries in
// this array may either refer to features defined in the header of this file or
// in other locations in the code base (e.g. content/, components/, etc).
const base::Feature* kFeaturesExposedToJava[] = {
    &features::kWebViewConnectionlessSafeBrowsing,
    &features::kWebViewDisplayCutout,
    &features::kWebViewMixedContentAutoupgrades,
    &features::kWebViewTestFeature,
    &features::kWebViewMeasureScreenCoverage,
    &features::kWebViewJavaJsBridgeMojo,
};

const base::Feature* FindFeatureExposedToJava(const std::string& feature_name) {
  for (size_t i = 0; i < base::size(kFeaturesExposedToJava); ++i) {
    if (kFeaturesExposedToJava[i]->name == feature_name)
      return kFeaturesExposedToJava[i];
  }
  NOTREACHED() << "Queried feature cannot be found in AwFeatureList: "
               << feature_name;
  return nullptr;
}

}  // namespace

static jboolean JNI_AwFeatureList_IsEnabled(
    JNIEnv* env,
    const JavaParamRef<jstring>& jfeature_name) {
  const base::Feature* feature =
      FindFeatureExposedToJava(ConvertJavaStringToUTF8(env, jfeature_name));
  return base::FeatureList::IsEnabled(*feature);
}

}  // namespace android_webview