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.
5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_
6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_
12 // Interface between HID detection screen and its representation.
13 // Note, do not forget to call OnActorDestroyed in the dtor.
14 class HIDDetectionScreenActor {
16 // Allows us to get info from HID detection screen that we need.
19 virtual ~Delegate() {}
21 // Called when screen is exited.
22 virtual void OnExit() = 0;
24 // This method is called, when actor is being destroyed. Note, if Delegate
25 // is destroyed earlier then it has to call SetDelegate(NULL).
26 virtual void OnActorDestroyed(HIDDetectionScreenActor* actor) = 0;
29 virtual ~HIDDetectionScreenActor() {}
31 virtual void Show() = 0;
32 virtual void Hide() = 0;
33 virtual void SetDelegate(Delegate* delegate) = 0;
36 } // namespace chromeos
38 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_