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
|
// 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 CHROME_BROWSER_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_USER_TUNING_UTILS_H_
#define CHROME_BROWSER_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_USER_TUNING_UTILS_H_
#include <string>
#include <vector>
#include "chrome/browser/resource_coordinator/lifecycle_unit_state.mojom-forward.h"
namespace performance_manager {
class PageNode;
}
namespace performance_manager::user_tuning {
// Convenience shortcut for metrics code.
// Returns true if battery saver mode is available (via Finch) and battery saver
// mode is currently active.
bool IsRefreshRateThrottled();
// Returns whether battery saver mode should be managed by the OS
bool IsBatterySaverModeManagedByOS();
// Helper for logic to get the memory footprint estimate for a discarded page.
uint64_t GetDiscardedMemoryEstimateForPage(
const performance_manager::PageNode* node);
// Returns a list of human-readable reasons why a page can't be discarded, or an
// empty list if it can be discarded.
std::vector<std::string> GetCannotDiscardReasonsForPageNode(
const PageNode* page_node);
// Discards `page_node` if possible. This is a shortcut for the
// chrome://discards UI - most discards should use the more detailed methods in
// PageDiscardingHelper.
void DiscardPage(const performance_manager::PageNode* page_node,
::mojom::LifecycleUnitDiscardReason reason,
bool ignore_minimum_time_in_background = false);
// Chooses and discards a PageNode if possible. This is a shortcut for the
// chrome://discards UI - most discards should use the more detailed methods in
// PageDiscardingHelper.
void DiscardAnyPage(::mojom::LifecycleUnitDiscardReason reason,
bool ignore_minimum_time_in_background = false);
} // namespace performance_manager::user_tuning
#endif // CHROME_BROWSER_PERFORMANCE_MANAGER_PUBLIC_USER_TUNING_USER_TUNING_UTILS_H_
|
