| // Copyright 2020 The Chromium Authors |
| // 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 <optional> |
| |
| // Must come after all headers that specialize FromJniType() / ToJniType(). |
| #include "base/base_jni/RadioUtils_jni.h" |
| |
| namespace base { |
| namespace android { |
| |
| namespace { |
| |
| RadioUtils::OverrideForTesting* g_overrider_for_tests = nullptr; |
| |
| bool InitializeIsSupported() { |
| JNIEnv* env = AttachCurrentThread(); |
| return Java_RadioUtils_isSupported(env); |
| } |
| } // namespace |
| |
| RadioUtils::OverrideForTesting::OverrideForTesting() { |
| DCHECK(!g_overrider_for_tests); |
| g_overrider_for_tests = this; |
| } |
| |
| RadioUtils::OverrideForTesting::~OverrideForTesting() { |
| DCHECK(g_overrider_for_tests); |
| g_overrider_for_tests = nullptr; |
| } |
| |
| bool RadioUtils::IsSupported() { |
| static const bool kIsSupported = InitializeIsSupported(); |
| return kIsSupported; |
| } |
| |
| RadioConnectionType RadioUtils::GetConnectionType() { |
| if (g_overrider_for_tests) { |
| // If GetConnectionType is being used in tests |
| return g_overrider_for_tests->GetConnectionType(); |
| } |
| if (!IsSupported()) |
| return RadioConnectionType::kUnknown; |
| |
| JNIEnv* env = AttachCurrentThread(); |
| if (Java_RadioUtils_isWifiConnected(env)) { |
| return RadioConnectionType::kWifi; |
| } else { |
| return RadioConnectionType::kCell; |
| } |
| } |
| |
| std::optional<RadioSignalLevel> RadioUtils::GetCellSignalLevel() { |
| if (!IsSupported()) |
| return std::nullopt; |
| |
| JNIEnv* env = AttachCurrentThread(); |
| int signal_level = Java_RadioUtils_getCellSignalLevel(env); |
| if (signal_level < 0) { |
| return std::nullopt; |
| } else { |
| return static_cast<RadioSignalLevel>(signal_level); |
| } |
| } |
| |
| std::optional<RadioDataActivity> RadioUtils::GetCellDataActivity() { |
| if (!IsSupported()) |
| return std::nullopt; |
| |
| JNIEnv* env = AttachCurrentThread(); |
| return static_cast<RadioDataActivity>( |
| Java_RadioUtils_getCellDataActivity(env)); |
| } |
| |
| } // namespace android |
| } // namespace base |