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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ | 5 #ifndef NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ |
6 #define NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ | 6 #define NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ |
7 | 7 |
8 #include <jni.h> | 8 #include <jni.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
11 #include "base/compiler_specific.h" | 11 #include "base/android/scoped_java_ref.h" |
12 #include "base/macros.h" | |
13 #include "base/optional.h" | |
14 #include "base/threading/thread_checker.h" | |
12 #include "net/base/net_export.h" | 15 #include "net/base/net_export.h" |
13 | 16 |
14 namespace net { | 17 namespace net { |
15 | 18 |
16 namespace android { | 19 namespace android { |
17 | 20 |
18 namespace cellular_signal_strength { | 21 class NET_EXPORT_PRIVATE CellularSignalStrength { |
pauljensen
2017/04/13 11:36:30
needs comments
tbansal1
2017/06/07 21:39:20
Done.
| |
22 public: | |
23 CellularSignalStrength(); | |
19 | 24 |
20 // Returns true if the signal strength (in dbM) of the currently registered | 25 ~CellularSignalStrength(); |
21 // cellular connection is available, and sets |*signal_strength_dbm| to that | |
22 // value. | |
23 NET_EXPORT bool GetSignalStrengthDbm(int32_t* signal_strength_dbm) | |
24 WARN_UNUSED_RESULT; | |
25 | 26 |
26 // Returns true if the signal strength level (between 0 and 4, both inclusive) | 27 // Returns the signal strength level (between 0 and 4, both inclusive) of the |
27 // of the currently registered cellular connection is available, and sets | 28 // currently registered cellular connection. If the value is unavailable, an |
28 // |*signal_strength_level| to that value with lower value indicating lower | 29 // empty value is returned. |
29 // signal strength. | 30 base::Optional<int32_t> GetSignalStrengthLevel() const; |
30 NET_EXPORT bool GetSignalStrengthLevel(int32_t* signal_strength_level) | |
31 WARN_UNUSED_RESULT; | |
32 | 31 |
33 } // namespace cellular_signal_strength | 32 private: |
33 base::android::ScopedJavaGlobalRef<jobject> j_cellular_signal_strength_; | |
34 | |
35 base::ThreadChecker thread_checker_; | |
36 | |
37 DISALLOW_COPY_AND_ASSIGN(CellularSignalStrength); | |
38 }; | |
34 | 39 |
35 } // namespace android | 40 } // namespace android |
36 | 41 |
37 } // namespace net | 42 } // namespace net |
38 | 43 |
39 #endif // NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ | 44 #endif // NET_ANDROID_CELLULAR_SIGNAL_STRENGTH_H_ |
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