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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/performance_manager/public/user_tuning/prefs.h"
#include <iterator>
#include <optional>
#include <string>
#include <utility>
#include <vector>
#include "base/containers/contains.h"
#include "base/json/values_util.h"
#include "base/values.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
namespace performance_manager::user_tuning::prefs {
void RegisterLocalStatePrefs(PrefRegistrySimple* registry) {
registry->RegisterBooleanPref(kMemorySaverModeEnabled, false);
registry->RegisterIntegerPref(
kMemorySaverModeTimeBeforeDiscardInMinutes,
kDefaultMemorySaverModeTimeBeforeDiscardInMinutes);
registry->RegisterIntegerPref(
kMemorySaverModeState, static_cast<int>(MemorySaverModeState::kDisabled));
registry->RegisterIntegerPref(
kMemorySaverModeAggressiveness,
static_cast<int>(MemorySaverModeAggressiveness::kMedium));
registry->RegisterIntegerPref(
kBatterySaverModeState,
static_cast<int>(BatterySaverModeState::kEnabledBelowThreshold));
registry->RegisterTimePref(kLastBatteryUseTimestamp, base::Time());
registry->RegisterBooleanPref(kDiscardRingTreatmentEnabled, true);
registry->RegisterBooleanPref(kPerformanceInterventionNotificationEnabled,
true);
registry->RegisterTimePref(kPerformanceInterventionNotificationLastShown,
base::Time());
registry->RegisterListPref(kPerformanceInterventionNotificationAcceptHistory);
}
void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterListPref(kTabDiscardingExceptions,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterDictionaryPref(
kTabDiscardingExceptionsWithTime,
user_prefs::PrefRegistrySyncable::SYNCABLE_PREF);
registry->RegisterListPref(kManagedTabDiscardingExceptions);
}
MemorySaverModeState GetCurrentMemorySaverModeState(PrefService* pref_service) {
int state = pref_service->GetInteger(kMemorySaverModeState);
if (state < static_cast<int>(MemorySaverModeState::kDisabled) ||
state > static_cast<int>(MemorySaverModeState::kEnabled)) {
int disabled_state = static_cast<int>(MemorySaverModeState::kDisabled);
pref_service->SetInteger(kMemorySaverModeState, disabled_state);
state = disabled_state;
}
return static_cast<MemorySaverModeState>(state);
}
MemorySaverModeAggressiveness GetCurrentMemorySaverMode(
PrefService* pref_service) {
int mode = pref_service->GetInteger(kMemorySaverModeAggressiveness);
if (mode < static_cast<int>(MemorySaverModeAggressiveness::kConservative) ||
mode > static_cast<int>(MemorySaverModeAggressiveness::kAggressive)) {
int medium_mode = static_cast<int>(MemorySaverModeAggressiveness::kMedium);
pref_service->SetInteger(kMemorySaverModeAggressiveness, medium_mode);
mode = medium_mode;
}
return static_cast<MemorySaverModeAggressiveness>(mode);
}
base::TimeDelta GetCurrentMemorySaverModeTimeBeforeDiscard(
PrefService* pref_service) {
int time_before_discard_in_minutes =
pref_service->GetInteger(kMemorySaverModeTimeBeforeDiscardInMinutes);
if (time_before_discard_in_minutes < 0) {
pref_service->ClearPref(kMemorySaverModeTimeBeforeDiscardInMinutes);
time_before_discard_in_minutes =
pref_service->GetInteger(kMemorySaverModeTimeBeforeDiscardInMinutes);
}
return base::Minutes(time_before_discard_in_minutes);
}
BatterySaverModeState GetCurrentBatterySaverModeState(
PrefService* pref_service) {
int state = pref_service->GetInteger(kBatterySaverModeState);
if (state < static_cast<int>(BatterySaverModeState::kDisabled) ||
state > static_cast<int>(BatterySaverModeState::kEnabled)) {
int disabled_state = static_cast<int>(BatterySaverModeState::kDisabled);
pref_service->SetInteger(kBatterySaverModeState, disabled_state);
state = disabled_state;
}
return static_cast<BatterySaverModeState>(state);
}
bool ShouldShowDiscardRingTreatment(PrefService* pref_service) {
#if BUILDFLAG(IS_ANDROID)
return false;
#else
return pref_service->GetBoolean(kDiscardRingTreatmentEnabled);
#endif
}
bool ShouldShowPerformanceInterventionNotification(PrefService* pref_service) {
#if BUILDFLAG(IS_ANDROID)
return false;
#else
return pref_service->GetBoolean(kPerformanceInterventionNotificationEnabled);
#endif
}
void MigrateMemorySaverModePref(PrefService* pref_service) {
const PrefService::Preference* state_pref =
pref_service->FindPreference(kMemorySaverModeState);
if (!state_pref->IsDefaultValue()) {
// The user has changed the new pref, no migration needed. Clear the old
// pref because it won't be used anymore. Note that this case should not
// occur.
pref_service->ClearPref(kMemorySaverModeEnabled);
return;
}
const PrefService::Preference* bool_pref =
pref_service->FindPreference(kMemorySaverModeEnabled);
bool enabled = bool_pref->GetValue()->GetBool();
int equivalent_int_pref =
enabled ? static_cast<int>(MemorySaverModeState::kEnabled)
: static_cast<int>(MemorySaverModeState::kDisabled);
if (!bool_pref->IsDefaultValue()) {
// The user has changed the old pref, but the new pref is still set to the
// default value. This means the old pref's state needs to be migrated into
// the new pref.
pref_service->SetInteger(kMemorySaverModeState, equivalent_int_pref);
// Clear the old pref because it won't be used anymore.
pref_service->ClearPref(kMemorySaverModeEnabled);
}
}
void MigrateMultiStateMemorySaverModePref(PrefService* pref_service) {
const PrefService::Preference* state_pref =
pref_service->FindPreference(kMemorySaverModeState);
if (!state_pref->IsDefaultValue() &&
static_cast<MemorySaverModeState>(state_pref->GetValue()->GetInt()) ==
MemorySaverModeState::kDeprecated) {
pref_service->SetInteger(kMemorySaverModeState,
static_cast<int>(MemorySaverModeState::kEnabled));
}
pref_service->ClearPref(kMemorySaverModeTimeBeforeDiscardInMinutes);
}
bool IsSiteInTabDiscardExceptionsList(PrefService* pref_service,
const std::string& site) {
const base::Value::Dict& discard_exceptions_map =
pref_service->GetDict(kTabDiscardingExceptionsWithTime);
return base::Contains(discard_exceptions_map, site);
}
void AddSiteToTabDiscardExceptionsList(PrefService* pref_service,
const std::string& site) {
const base::Value::Dict& discard_exceptions_original =
pref_service->GetDict(kTabDiscardingExceptionsWithTime);
if (!base::Contains(discard_exceptions_original, site)) {
base::Value::Dict discard_exceptions_map =
discard_exceptions_original.Clone();
discard_exceptions_map.Set(site, base::TimeToValue(base::Time::Now()));
pref_service->SetDict(kTabDiscardingExceptionsWithTime,
std::move(discard_exceptions_map));
}
}
std::vector<std::string> GetTabDiscardExceptionsBetween(
PrefService* pref_service,
base::Time period_start,
base::Time period_end) {
std::vector<std::string> discard_exceptions;
const base::Value::Dict& discard_exceptions_map =
pref_service->GetDict(performance_manager::user_tuning::prefs::
kTabDiscardingExceptionsWithTime);
for (const std::pair<const std::string&, const base::Value&> it :
discard_exceptions_map) {
std::optional<base::Time> time = base::ValueToTime(it.second);
if ((!time || (time > period_start && time < period_end))) {
discard_exceptions.push_back(it.first);
}
}
return discard_exceptions;
}
void ClearTabDiscardExceptions(PrefService* pref_service,
base::Time delete_begin,
base::Time delete_end) {
const base::Value::Dict& discard_exceptions_map =
pref_service->GetDict(kTabDiscardingExceptionsWithTime);
std::vector<std::pair<std::string, base::Value>> saved_exceptions;
saved_exceptions.reserve(discard_exceptions_map.size());
for (std::pair<const std::string&, const base::Value&> it :
discard_exceptions_map) {
std::optional<base::Time> time = base::ValueToTime(it.second);
if (time && (time.value() < delete_begin || time.value() > delete_end)) {
saved_exceptions.emplace_back(it.first, it.second.Clone());
}
}
pref_service->SetDict(
kTabDiscardingExceptionsWithTime,
base::Value::Dict(std::make_move_iterator(saved_exceptions.begin()),
std::make_move_iterator(saved_exceptions.end())));
}
} // namespace performance_manager::user_tuning::prefs
|
