naiveproxy/net/android/cellular_signal_strength.h
2018-01-29 00:30:36 +08:00

32 lines
830 B
C++

// Copyright 2016 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.
#ifndef NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_
#define NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_
#include <jni.h>
#include <stdint.h>
#include "base/optional.h"
#include "net/base/net_export.h"
namespace net {
namespace android {
namespace cellular_signal_strength {
// Returns the signal strength level (between 0 and 4, both inclusive) of the
// currently registered cellular connection. If the value is unavailable, an
// empty value is returned.
NET_EXPORT_PRIVATE base::Optional<int32_t> GetSignalStrengthLevel();
} // namespace cellular_signal_strength
} // namespace android
} // namespace net
#endif // NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_