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- // Copyright 2020 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 "base/android/radio_utils.h"
- #include "base/base_jni_headers/RadioUtils_jni.h"
- #include "third_party/abseil-cpp/absl/types/optional.h"
- namespace base {
- namespace android {
- namespace {
- bool InitializeIsSupported() {
- JNIEnv* env = AttachCurrentThread();
- return Java_RadioUtils_isSupported(env);
- }
- } // namespace
- bool RadioUtils::IsSupported() {
- static const bool kIsSupported = InitializeIsSupported();
- return kIsSupported;
- }
- RadioConnectionType RadioUtils::GetConnectionType() {
- if (!IsSupported())
- return RadioConnectionType::kUnknown;
- JNIEnv* env = AttachCurrentThread();
- if (Java_RadioUtils_isWifiConnected(env)) {
- return RadioConnectionType::kWifi;
- } else {
- return RadioConnectionType::kCell;
- }
- }
- absl::optional<RadioSignalLevel> RadioUtils::GetCellSignalLevel() {
- if (!IsSupported())
- return absl::nullopt;
- JNIEnv* env = AttachCurrentThread();
- int signal_level = Java_RadioUtils_getCellSignalLevel(env);
- if (signal_level < 0) {
- return absl::nullopt;
- } else {
- return static_cast<RadioSignalLevel>(signal_level);
- }
- }
- absl::optional<RadioDataActivity> RadioUtils::GetCellDataActivity() {
- if (!IsSupported())
- return absl::nullopt;
- JNIEnv* env = AttachCurrentThread();
- return static_cast<RadioDataActivity>(
- Java_RadioUtils_getCellDataActivity(env));
- }
- } // namespace android
- } // namespace base
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