15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 82a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#include "chrome/browser/ui/search/search_model.h" 92a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This class defines the observer interface for the |SearchModel|. 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SearchModelObserver { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 132a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Informs the observer that the model's state has changed. 142a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) virtual void ModelChanged(const SearchModel::State& old_state, 152a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) const SearchModel::State& new_state) = 0; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected: 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~SearchModelObserver() {} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_OBSERVER_H_ 22