1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/chromeos/display/display_configuration_observer.h"
6
7#include "ash/display/display_controller.h"
8#include "ash/shell.h"
9#include "ash/shell_delegate.h"
10#include "chrome/browser/chromeos/display/display_preferences.h"
11
12namespace chromeos {
13
14DisplayConfigurationObserver::DisplayConfigurationObserver() {
15  ash::Shell::GetInstance()->display_controller()->AddObserver(this);
16}
17
18DisplayConfigurationObserver::~DisplayConfigurationObserver() {
19  ash::Shell::GetInstance()->display_controller()->RemoveObserver(this);
20}
21
22void DisplayConfigurationObserver::OnDisplaysInitialized() {
23  // Update the display pref with the initial power state.
24  if (ash::Shell::GetInstance()->delegate()->IsFirstRunAfterBoot())
25    StoreDisplayPrefs();
26}
27
28void DisplayConfigurationObserver::OnDisplayConfigurationChanged() {
29  StoreDisplayPrefs();
30}
31
32}  // namespace chromeos
33