chrome/browser/chromeos/login/screens/device_disabled_screen.cc

   1 // Copyright 2014 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/login/screens/device_disabled_screen.h"
   6
   7 #include <string>
   8
   9 #include "base/logging.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/browser_process_platform_part.h"
  12 #include "chrome/browser/chromeos/login/wizard_controller.h"
  13
  14 namespace chromeos {
  15
  16 DeviceDisabledScreen::DeviceDisabledScreen(
  17     BaseScreenDelegate* base_screen_delegate,
  18     DeviceDisabledScreenActor* actor)
  19     : BaseScreen(base_screen_delegate),
  20       actor_(actor),
  21       device_disabling_manager_(g_browser_process->platform_part()->
  22                                     device_disabling_manager()),
  23       showing_(false) {
  24   DCHECK(actor_);
  25   if (actor_)
  26     actor_->SetDelegate(this);
  27   device_disabling_manager_->AddObserver(this);
  28 }
  29
  30 DeviceDisabledScreen::~DeviceDisabledScreen() {
  31   if (actor_)
  32     actor_->SetDelegate(nullptr);
  33   device_disabling_manager_->RemoveObserver(this);
  34 }
  35
  36 void DeviceDisabledScreen::PrepareToShow() {
  37 }
  38
  39 void DeviceDisabledScreen::Show() {
  40   if (!actor_ || showing_)
  41     return;
  42
  43   showing_ = true;
  44   actor_->Show();
  45 }
  46
  47 void DeviceDisabledScreen::Hide() {
  48   if (!showing_)
  49     return;
  50   showing_ = false;
  51
  52   if (actor_)
  53     actor_->Hide();
  54 }
  55
  56 std::string DeviceDisabledScreen::GetName() const {
  57   return WizardController::kDeviceDisabledScreenName;
  58 }
  59
  60 void DeviceDisabledScreen::OnActorDestroyed(DeviceDisabledScreenActor* actor) {
  61   if (actor_ == actor)
  62     actor_ = nullptr;
  63 }
  64
  65 const std::string& DeviceDisabledScreen::GetEnrollmentDomain() const {
  66   return device_disabling_manager_->enrollment_domain();
  67 }
  68
  69 const std::string& DeviceDisabledScreen::GetMessage() const {
  70   return device_disabling_manager_->disabled_message();
  71 }
  72
  73 void DeviceDisabledScreen::OnDisabledMessageChanged(
  74     const std::string& disabled_message) {
  75   if (actor_)
  76     actor_->UpdateMessage(disabled_message);
  77 }
  78
  79 }  // namespace chromeos