1 // Copyright (c) 2012 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.
5 #ifndef UI_APP_LIST_APP_LIST_MODEL_OBSERVER_H_
6 #define UI_APP_LIST_APP_LIST_MODEL_OBSERVER_H_
8 #include "ui/app_list/app_list_export.h"
12 class APP_LIST_EXPORT AppListModelObserver {
14 // Invoked when AppListModel's status has changed.
15 virtual void OnAppListModelStatusChanged() {}
17 // Invoked when AppListModel's profile menu items have changed.
18 virtual void OnAppListModelUsersChanged() {}
20 // Invoked when AppListModel's current user's signin status has changed.
21 virtual void OnAppListModelSigninStatusChanged() {}
24 virtual ~AppListModelObserver() {}
27 } // namespace app_list
29 #endif // UI_APP_LIST_APP_LIST_MODEL_OBSERVER_H_