| // Copyright 2014 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 ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ |
| #define ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ |
| |
| #include "athena/athena_export.h" |
| |
| namespace athena { |
| |
| class ATHENA_EXPORT WindowManagerObserver { |
| public: |
| virtual ~WindowManagerObserver() {} |
| |
| // Called immediately before the overview mode is displayed. |
| virtual void OnOverviewModeEnter() = 0; |
| |
| // Called immediately after going out of the overview mode. |
| virtual void OnOverviewModeExit() = 0; |
| |
| // Called immediately before the split view mode is activated. |
| virtual void OnSplitViewModeEnter() = 0; |
| |
| // Called immediately after going out of the split view mode. |
| virtual void OnSplitViewModeExit() = 0; |
| }; |
| |
| } // namespace athena |
| |
| #endif // ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ |