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 CHROME_BROWSER_UI_APP_LIST_START_PAGE_OBSERVER_H_ 6#define CHROME_BROWSER_UI_APP_LIST_START_PAGE_OBSERVER_H_ 7 8#include "base/strings/string16.h" 9#include "ui/app_list/speech_ui_model_observer.h" 10 11namespace app_list { 12 13class StartPageObserver { 14 public: 15 // Invoked when a search query happens from the start page. 16 virtual void OnSpeechResult(const base::string16& query, bool is_final) = 0; 17 18 // Invoked when a sound level of speech recognition is changed. 19 virtual void OnSpeechSoundLevelChanged(int16 level) = 0; 20 21 // Invoked when the online speech recognition state is changed. 22 virtual void OnSpeechRecognitionStateChanged( 23 SpeechRecognitionState new_state) = 0; 24 25 protected: 26 virtual ~StartPageObserver() {} 27}; 28 29} // namespace app_list 30 31#endif // CHROME_BROWSER_UI_APP_LIST_START_PAGE_OBSERVER_H_ 32