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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/quick_pair/feature_status_tracker/scanning_enabled_provider.h"
#include "ash/constants/ash_pref_names.h"
#include "ash/shell.h"
#include "base/functional/bind.h"
#include "components/prefs/pref_service.h"
namespace ash::quick_pair {
ScanningEnabledProvider::ScanningEnabledProvider(
std::unique_ptr<BatterySaverActiveProvider> battery_saver_provider,
std::unique_ptr<FastPairPrefEnabledProvider>
fast_pair_pref_enabled_provider,
std::unique_ptr<HardwareOffloadingSupportedProvider>
hardware_offloading_provider,
std::unique_ptr<PowerConnectedProvider> power_connected_provider)
: battery_saver_provider_(std::move(battery_saver_provider)),
fast_pair_pref_enabled_provider_(
std::move(fast_pair_pref_enabled_provider)),
hardware_offloading_provider_(std::move(hardware_offloading_provider)),
power_connected_provider_(std::move(power_connected_provider)) {
if (battery_saver_provider_) {
battery_saver_provider_->SetCallback(base::BindRepeating(
&ScanningEnabledProvider::UpdateEnabled, weak_factory_.GetWeakPtr()));
}
if (fast_pair_pref_enabled_provider_) {
fast_pair_pref_enabled_provider_->SetCallback(base::BindRepeating(
&ScanningEnabledProvider::UpdateEnabled, weak_factory_.GetWeakPtr()));
}
if (hardware_offloading_provider_) {
hardware_offloading_provider_->SetCallback(base::BindRepeating(
&ScanningEnabledProvider::UpdateEnabled, weak_factory_.GetWeakPtr()));
}
if (power_connected_provider_) {
power_connected_provider_->SetCallback(base::BindRepeating(
&ScanningEnabledProvider::UpdateEnabled, weak_factory_.GetWeakPtr()));
}
// Shell::Get() will never return a nullptr.
Shell* shell = Shell::Get();
CHECK(shell);
PrefService* local_state = shell->local_state();
// `local_state` may be null in unit tests.
if (local_state) {
pref_change_registrar_ = std::make_unique<PrefChangeRegistrar>();
pref_change_registrar_->Init(local_state);
pref_change_registrar_->Add(
ash::prefs::kSoftwareScanningEnabled,
base::BindRepeating(
&ScanningEnabledProvider::OnSoftwareScanningStatusChanged,
weak_factory_.GetWeakPtr()));
OnSoftwareScanningStatusChanged();
}
}
ScanningEnabledProvider::~ScanningEnabledProvider() = default;
void ScanningEnabledProvider::RegisterLocalStatePrefs(
PrefRegistrySimple* registry) {
if (!registry) {
return;
}
registry->RegisterIntegerPref(
ash::prefs::kSoftwareScanningEnabled,
static_cast<int>(SoftwareScanningStatus::kOnlyWhenCharging));
}
void ScanningEnabledProvider::OnSoftwareScanningStatusChanged() {
PrefService* pref_service = pref_change_registrar_->prefs();
CHECK(pref_service);
int new_pref_val =
pref_service->GetInteger(ash::prefs::kSoftwareScanningEnabled);
CHECK(new_pref_val >= 0);
CHECK(new_pref_val <= static_cast<int>(SoftwareScanningStatus::kMaxValue));
SoftwareScanningStatus new_software_scanning_status =
static_cast<SoftwareScanningStatus>(new_pref_val);
if (new_software_scanning_status == software_scanning_status_) {
return;
}
software_scanning_status_ = new_software_scanning_status;
UpdateEnabled(/*subprovider_val=*/false);
}
bool ScanningEnabledProvider::IsSoftwareScanningStatusAlways() {
return software_scanning_status_ == SoftwareScanningStatus::kAlways;
}
bool ScanningEnabledProvider::IsSoftwareScanningStatusWhenCharging() {
return software_scanning_status_ == SoftwareScanningStatus::kOnlyWhenCharging;
}
bool ScanningEnabledProvider::IsHardwareOffloadingSupported() {
return hardware_offloading_provider_ &&
hardware_offloading_provider_->is_enabled();
}
bool ScanningEnabledProvider::IsFastPairPrefEnabled() {
return fast_pair_pref_enabled_provider_ &&
fast_pair_pref_enabled_provider_->is_enabled();
}
bool ScanningEnabledProvider::IsBatterySaverActive() {
return battery_saver_provider_ && battery_saver_provider_->is_enabled();
}
bool ScanningEnabledProvider::IsPowerConnected() {
return power_connected_provider_ && power_connected_provider_->is_enabled();
}
bool ScanningEnabledProvider::IsScanningEnabled() {
if (IsHardwareOffloadingSupported()) {
// Enable scanning based on Fast Pair boolean pref if hardware offloading is
// supported.
return IsFastPairPrefEnabled();
}
if (IsBatterySaverActive()) {
return false;
}
if (IsSoftwareScanningStatusAlways()) {
return true;
}
return IsSoftwareScanningStatusWhenCharging() && IsPowerConnected();
}
void ScanningEnabledProvider::UpdateEnabled(bool subprovider_val) {
SetEnabledAndInvokeCallback(/*new_value=*/IsScanningEnabled());
}
} // namespace ash::quick_pair
|
