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// 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.
#ifndef COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_PREFS_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_PREFS_H_
#include <string>
#include <vector>
#include "base/time/time.h"
#include "base/timer/timer.h"
class PrefRegistrySimple;
class PrefService;
namespace user_prefs {
class PrefRegistrySyncable;
}
namespace performance_manager::user_tuning::prefs {
// DEPRECATED: being replaced by kMemorySaverModeState
inline constexpr char kMemorySaverModeEnabled[] =
"performance_tuning.high_efficiency_mode.enabled";
enum class MemorySaverModeState {
kDisabled = 0,
// This option is now deprecated. It was only ever available behind an
// unlaunched experiment.
kDeprecated = 1,
kEnabled = 2,
};
inline constexpr char kMemorySaverModeState[] =
"performance_tuning.high_efficiency_mode.state";
inline constexpr char kMemorySaverModeTimeBeforeDiscardInMinutes[] =
"performance_tuning.high_efficiency_mode.time_before_discard_in_minutes";
constexpr int kDefaultMemorySaverModeTimeBeforeDiscardInMinutes = 120;
enum class MemorySaverModeAggressiveness {
kConservative = 0,
kMedium = 1,
kAggressive = 2,
kMaxValue = kAggressive,
};
inline constexpr char kMemorySaverModeAggressiveness[] =
"performance_tuning.high_efficiency_mode.aggressiveness";
enum class BatterySaverModeState {
kDisabled = 0,
kEnabledBelowThreshold = 1,
kEnabledOnBattery = 2,
kEnabled = 3,
};
inline constexpr char kBatterySaverModeState[] =
"performance_tuning.battery_saver_mode.state";
// Stores the timestamp of the last battery usage while unplugged.
inline constexpr char kLastBatteryUseTimestamp[] =
"performance_tuning.last_battery_use.timestamp";
// The pref storing the list of URL patterns that prevent a tab from being
// discarded.
inline constexpr char kTabDiscardingExceptions[] =
"performance_tuning.tab_discarding.exceptions";
// The pref storing the list of URL patterns that prevent a tab from being
// discarded.
inline constexpr char kTabDiscardingExceptionsWithTime[] =
"performance_tuning.tab_discarding.exceptions_with_time";
// The pref storing the enterprise-managed list of URL patterns that prevent a
// tab from being discarded. This list is merged with
// `kTabDiscardingExceptions`.
inline constexpr char kManagedTabDiscardingExceptions[] =
"performance_tuning.tab_discarding.exceptions_managed";
// The pref storing whether the discard ring treatment should appear around
// favicons on tabs.
inline constexpr char kDiscardRingTreatmentEnabled[] =
"performance_tuning.discard_ring_treatment.enabled";
// The pref storing whether performance intervention notifications should be
// shown.
inline constexpr char kPerformanceInterventionNotificationEnabled[] =
"performance_tuning.intervention_notification.enabled";
// The pref storing when was the last time the performance intervention
// notification was shown.
inline constexpr char kPerformanceInterventionNotificationLastShown[] =
"performance_tuning.intervention_notification.last_shown";
// The pref storing a boolean list which keeps track whether the user has
// accepted performance intervention with a true value and false if the
// intervention was rejected. This is the second version of this pref
// because the first was deprecated for saving inaccurate entries.
inline constexpr char kPerformanceInterventionNotificationAcceptHistory[] =
"performance_tuning.intervention_notification.accept_history2";
void RegisterLocalStatePrefs(PrefRegistrySimple* registry);
void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
MemorySaverModeState GetCurrentMemorySaverModeState(PrefService* pref_service);
MemorySaverModeAggressiveness GetCurrentMemorySaverMode(
PrefService* pref_service);
base::TimeDelta GetCurrentMemorySaverModeTimeBeforeDiscard(
PrefService* pref_service);
BatterySaverModeState GetCurrentBatterySaverModeState(
PrefService* pref_service);
bool ShouldShowDiscardRingTreatment(PrefService* pref_service);
bool ShouldShowPerformanceInterventionNotification(PrefService* pref_service);
// This function migrates the old, boolean Memory Saver preference to the new,
// integer one that represents a value of the `MemorySaverModeState` enum. This
// is done once at startup.
void MigrateMemorySaverModePref(PrefService* pref_service);
// This function migrates the kDeprecated state to kEnabled. During previous
// experimentation, this state represented an option to use a heuristic version
// of Memory Saver. But this mode got migrated in to what is now called
// KEnabled.
void MigrateMultiStateMemorySaverModePref(PrefService* pref_service);
// Returns if the given site is in the discard exception list
bool IsSiteInTabDiscardExceptionsList(PrefService* pref_service,
const std::string& site);
// Adds the given site to the discard exception list
void AddSiteToTabDiscardExceptionsList(PrefService* pref_service,
const std::string& site);
// Returns a list of tab discard exception patterns during the time range.
std::vector<std::string> GetTabDiscardExceptionsBetween(
PrefService* pref_service,
base::Time period_start,
base::Time period_end);
// Clears all discard exception prefs modified or created during the time range.
void ClearTabDiscardExceptions(PrefService* pref_service,
base::Time delete_begin,
base::Time delete_end);
} // namespace performance_manager::user_tuning::prefs
#endif // COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_PREFS_H_
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