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      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_
     44