chrome/browser/chromeos/login/screens/hid_detection_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/hid_detection_screen.h"
   6
   7 #include "chrome/browser/chromeos/login/screens/screen_observer.h"
   8 #include "chrome/browser/chromeos/login/wizard_controller.h"
   9
  10 namespace chromeos {
  11
  12 HIDDetectionScreen::HIDDetectionScreen(
  13     ScreenObserver* observer, HIDDetectionScreenActor* actor)
  14     : WizardScreen(observer), actor_(actor) {
  15   DCHECK(actor_);
  16   if (actor_)
  17     actor_->SetDelegate(this);
  18 }
  19
  20 HIDDetectionScreen::~HIDDetectionScreen() {
  21   if (actor_)
  22     actor_->SetDelegate(NULL);
  23 }
  24
  25 void HIDDetectionScreen::PrepareToShow() {
  26 }
  27
  28 void HIDDetectionScreen::Show() {
  29   if (actor_)
  30     actor_->Show();
  31 }
  32
  33 void HIDDetectionScreen::Hide() {
  34   if (actor_)
  35     actor_->Hide();
  36 }
  37
  38 std::string HIDDetectionScreen::GetName() const {
  39   return WizardController::kHIDDetectionScreenName;
  40 }
  41
  42 void HIDDetectionScreen::OnExit() {
  43   get_screen_observer()->OnExit(ScreenObserver::HID_DETECTION_COMPLETED);
  44 }
  45
  46 void HIDDetectionScreen::OnActorDestroyed(HIDDetectionScreenActor* actor) {
  47   if (actor_ == actor)
  48     actor_ = NULL;
  49 }
  50
  51 }  // namespace chromeos