chrome/browser/chromeos/login/screens/hid_detection_screen.h

   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 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_H_
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/macros.h"
  12 #include "chrome/browser/chromeos/login/screens/hid_detection_screen_actor.h"
  13 #include "chrome/browser/chromeos/login/screens/wizard_screen.h"
  14
  15 namespace chromeos {
  16
  17 // Representation independent class that controls screen showing warning about
  18 // HID absence to users.
  19 class HIDDetectionScreen : public WizardScreen,
  20                            public HIDDetectionScreenActor::Delegate {
  21  public:
  22   HIDDetectionScreen(ScreenObserver* observer, HIDDetectionScreenActor* actor);
  23   virtual ~HIDDetectionScreen();
  24
  25   // WizardScreen implementation:
  26   virtual void PrepareToShow() OVERRIDE;
  27   virtual void Show() OVERRIDE;
  28   virtual void Hide() OVERRIDE;
  29   virtual std::string GetName() const OVERRIDE;
  30
  31   // HIDDetectionScreenActor::Delegate implementation:
  32   virtual void OnExit() OVERRIDE;
  33   virtual void OnActorDestroyed(HIDDetectionScreenActor* actor) OVERRIDE;
  34
  35  private:
  36   HIDDetectionScreenActor* actor_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(HIDDetectionScreen);
  39 };
  40
  41 }  // namespace chromeos
  42
  43 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_H_