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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_ACTOR_H_ |
| 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_ |
| 7 |
| 8 #include <string> |
| 9 |
| 10 #include "base/callback_forward.h" |
| 11 |
| 12 namespace chromeos { |
| 13 |
| 14 // Interface between HID detection screen and its representation. |
| 15 // Note, do not forget to call OnActorDestroyed in the dtor. |
| 16 class HIDDetectionScreenActor { |
| 17 public: |
| 18 // Allows us to get info from HID detection screen that we need. |
| 19 class Delegate { |
| 20 public: |
| 21 virtual ~Delegate() {} |
| 22 |
| 23 // Called when screen is exited. |
| 24 virtual void OnExit() = 0; |
| 25 |
| 26 // This method is called, when actor is being destroyed. Note, if Delegate |
| 27 // is destroyed earlier then it has to call SetDelegate(NULL). |
| 28 virtual void OnActorDestroyed(HIDDetectionScreenActor* actor) = 0; |
| 29 }; |
| 30 |
| 31 virtual ~HIDDetectionScreenActor() {} |
| 32 |
| 33 virtual void Show() = 0; |
| 34 virtual void Hide() = 0; |
| 35 virtual void SetDelegate(Delegate* delegate) = 0; |
| 36 |
| 37 // Checks if we should show the screen or enough devices already present. |
| 38 // Calls corresponding set of actions based on the bool result. |
| 39 virtual void CheckIsScreenRequired( |
| 40 const base::Callback<void(bool)>& on_check_done) = 0; |
| 41 }; |
| 42 |
| 43 } // namespace chromeos |
| 44 |
| 45 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_HID_DETECTION_SCREEN_ACTOR_H_ |
| 46 |
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