1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// 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 "base/base_jni/RadioUtils_jni.h"
#include "third_party/abseil-cpp/absl/types/optional.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;
}
}
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
|
