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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 ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ | |
6 #define ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ | |
7 | |
8 #include "athena/athena_export.h" | |
9 | |
10 namespace athena { | |
11 | |
12 class ATHENA_EXPORT WindowManagerObserver { | |
13 public: | |
14 virtual ~WindowManagerObserver() {} | |
15 | |
16 // Called immediately before the overview mode is displayed. | |
17 virtual void OnOverviewModeEnter() = 0; | |
18 | |
19 // Called immediately after going out of the overview mode. | |
20 virtual void OnOverviewModeExit() = 0; | |
21 | |
22 // Called immediately before the split view mode is activated. | |
23 virtual void OnSplitViewModeEnter() = 0; | |
24 | |
25 // Called immediately after going out of the split view mode. | |
26 virtual void OnSplitViewModeExit() = 0; | |
27 }; | |
28 | |
29 } // namespace athena | |
30 | |
31 #endif // ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_ | |
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