| // Copyright 2013 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_APP_LIST_START_PAGE_OBSERVER_H_ |
| #define CHROME_BROWSER_UI_APP_LIST_START_PAGE_OBSERVER_H_ |
| |
| #include "base/strings/string16.h" |
| #include "ui/app_list/speech_ui_model_observer.h" |
| |
| namespace app_list { |
| |
| class StartPageObserver { |
| public: |
| // Invoked when a search query happens from the start page. |
| virtual void OnSpeechResult(const base::string16& query, bool is_final) = 0; |
| |
| // Invoked when a sound level of speech recognition is changed. |
| virtual void OnSpeechSoundLevelChanged(int16 level) = 0; |
| |
| // Invoked when the online speech recognition state is changed. |
| virtual void OnSpeechRecognitionStateChanged( |
| SpeechRecognitionState new_state) = 0; |
| |
| protected: |
| virtual ~StartPageObserver() {} |
| }; |
| |
| } // namespace app_list |
| |
| #endif // CHROME_BROWSER_UI_APP_LIST_START_PAGE_OBSERVER_H_ |