1116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// Copyright 2014 The Chromium Authors. All rights reserved.
2116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// Use of this source code is governed by a BSD-style license that can be
3116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch// found in the LICENSE file.
4116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
5116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#ifndef ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_
6116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#define ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_
7116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
8116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#include "athena/athena_export.h"
9116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
10116680a4aac90f2aa7413d9095a592090648e557Ben Murdochnamespace athena {
11116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
12116680a4aac90f2aa7413d9095a592090648e557Ben Murdochclass ATHENA_EXPORT WindowManagerObserver {
13116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch public:
14116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch  virtual ~WindowManagerObserver() {}
15116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
166e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles)  // Called immediately before the overview mode is displayed.
17116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch  virtual void OnOverviewModeEnter() = 0;
18116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
196e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles)  // Called immediately after going out of the overview mode.
20116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch  virtual void OnOverviewModeExit() = 0;
211320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci
221320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci  // Called immediately before the split view mode is activated.
231320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci  virtual void OnSplitViewModeEnter() = 0;
241320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci
251320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci  // Called immediately after going out of the split view mode.
261320f92c476a1ad9d19dba2a48c72b75566198e9Primiano Tucci  virtual void OnSplitViewModeExit() = 0;
27116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch};
28116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
29116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch}  // namespace athena
30116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch
31116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch#endif  // ATHENA_SCREEN_PUBLIC_WINDOW_MANAGER_OBSERVER_H_
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