| // Copyright (c) 2012 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 CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ |
| #define CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ |
| |
| #include "chrome/browser/ui/search/search_model.h" |
| |
| // This class defines the observer interface for the |SearchModel|. |
| class SearchModelObserver { |
| public: |
| // Informs the observer that the model's state has changed. |
| virtual void ModelChanged(const SearchModel::State& old_state, |
| const SearchModel::State& new_state) = 0; |
| |
| protected: |
| virtual ~SearchModelObserver() {} |
| }; |
| |
| #endif // CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ |