src/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/base_screen.h"
  13 #include "chrome/browser/chromeos/login/screens/hid_detection_screen_actor.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 BaseScreen,
  20                            public HIDDetectionScreenActor::Delegate {
  21  public:
  22   HIDDetectionScreen(BaseScreenDelegate* base_screen_delegate,
  23                      HIDDetectionScreenActor* actor);
  24   virtual ~HIDDetectionScreen();
  25
  26   // BaseScreen implementation:
  27   virtual void PrepareToShow() override;
  28   virtual void Show() override;
  29   virtual void Hide() override;
  30   virtual std::string GetName() const override;
  31
  32   // HIDDetectionScreenActor::Delegate implementation:
  33   virtual void OnExit() override;
  34   virtual void OnActorDestroyed(HIDDetectionScreenActor* actor) override;
  35
  36  private:
  37   HIDDetectionScreenActor* actor_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(HIDDetectionScreen);
  40 };
  41
  42 }  // namespace chromeos
  43
  44 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_H_