| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ASH_WM_TRANSIENT_WINDOW_OBSERVER_H_ |
| #define ASH_WM_TRANSIENT_WINDOW_OBSERVER_H_ |
| |
| #include "ash/ash_export.h" |
| |
| namespace ash { |
| |
| class WmWindow; |
| |
| class ASH_EXPORT WmTransientWindowObserver { |
| public: |
| virtual void OnTransientChildAdded(WmWindow* window, WmWindow* transient) {} |
| virtual void OnTransientChildRemoved(WmWindow* window, WmWindow* transient) {} |
| |
| protected: |
| virtual ~WmTransientWindowObserver() {} |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_TRANSIENT_WINDOW_OBSERVER_H_ |