chrome/browser/chromeos/display/display_configuration_observer.cc

   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/window_tree_host_manager.h"
   8 #include "ash/shell.h"
   9 #include "ash/shell_delegate.h"
  10 #include "chrome/browser/chromeos/display/display_preferences.h"
  11
  12 namespace chromeos {
  13
  14 DisplayConfigurationObserver::DisplayConfigurationObserver() {
  15   ash::Shell::GetInstance()->window_tree_host_manager()->AddObserver(this);
  16 }
  17
  18 DisplayConfigurationObserver::~DisplayConfigurationObserver() {
  19   ash::Shell::GetInstance()->window_tree_host_manager()->RemoveObserver(this);
  20 }
  21
  22 void DisplayConfigurationObserver::OnDisplaysInitialized() {
  23   // Update the display pref with the initial power state.
  24   if (ash::Shell::GetInstance()->delegate()->IsFirstRunAfterBoot())
  25     StoreDisplayPrefs();
  26 }
  27
  28 void DisplayConfigurationObserver::OnDisplayConfigurationChanged() {
  29   StoreDisplayPrefs();
  30 }
  31
  32 }  // namespace chromeos