1// Copyright 2013 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_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_
6#define UI_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_
7
8namespace views {
9class Widget;
10}
11
12namespace app_list {
13
14class AppListViewObserver {
15 public:
16  virtual void OnActivationChanged(views::Widget* widget, bool active) = 0;
17
18 protected:
19  virtual ~AppListViewObserver() {}
20};
21
22}  // namespace app_list
23
24#endif  // UI_APP_LIST_VIEWS_APP_LIST_VIEW_OBSERVER_H_
25