File: arc_display_power_observer.cc

package info (click to toggle)
chromium 138.0.7204.183-1~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 6,080,960 kB
  • sloc: cpp: 34,937,079; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,954; asm: 946,768; xml: 739,971; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,811; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (38 lines) | stat: -rw-r--r-- 1,170 bytes parent folder | download | duplicates (7) 
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
 
// 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 "chrome/browser/ash/arc/idle_manager/arc_display_power_observer.h"

#include "ash/shell.h"

namespace arc {

ArcDisplayPowerObserver::ArcDisplayPowerObserver()
    : ThrottleObserver(kArcDisplayPowerObserverName) {}

void ArcDisplayPowerObserver::StartObserving(
    content::BrowserContext* context,
    const ObserverStateChangedCallback& callback) {
  ThrottleObserver::StartObserving(context, callback);

  // ash::Shell may not exist in tests.
  if (ash::Shell::HasInstance())
    ash::Shell::Get()->display_configurator()->AddObserver(this);
}

void ArcDisplayPowerObserver::StopObserving() {
  // ash::Shell may not exist in tests.
  if (ash::Shell::HasInstance())
    ash::Shell::Get()->display_configurator()->RemoveObserver(this);

  ThrottleObserver::StopObserving();
}

void ArcDisplayPowerObserver::OnPowerStateChanged(
    chromeos::DisplayPowerState power_state) {
  const bool display_enabled = (power_state != chromeos::DISPLAY_POWER_ALL_OFF);
  SetEnforced(!display_enabled);
}

}  // namespace arc