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1 // Copyright (c) 2012 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 UI_AURA_FOCUS_CHANGE_OBSERVER_H_ | |
6 #define UI_AURA_FOCUS_CHANGE_OBSERVER_H_ | |
7 | |
8 #include "ui/aura/aura_export.h" | |
9 | |
10 namespace aura { | |
11 | |
12 class Window; | |
13 | |
14 class AURA_EXPORT FocusChangeObserver { | |
15 public: | |
16 // Called when |window| gains focus. | |
17 virtual void OnWindowFocused(Window* window) = 0; | |
18 | |
19 protected: | |
20 virtual ~FocusChangeObserver() {} | |
21 }; | |
22 | |
23 } // namespace aura | |
24 | |
25 #endif // UI_AURA_FOCUS_CHANGE_OBSERVER_H_ | |
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