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// 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
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