| // Copyright 2017 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_CHROMEOS_ACCESSIBILITY_DICTATION_CHROMEOS_H_ |
| #define CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_DICTATION_CHROMEOS_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "chrome/browser/speech/speech_recognizer_delegate.h" |
| #include "content/public/browser/speech_recognition_session_preamble.h" |
| |
| namespace ui { |
| struct CompositionText; |
| } // namespace ui |
| |
| class Profile; |
| class SpeechRecognizer; |
| |
| namespace chromeos { |
| |
| // Provides global dictation (type what you speak) on Chrome OS. |
| class DictationChromeos : public SpeechRecognizerDelegate { |
| public: |
| explicit DictationChromeos(Profile* profile); |
| ~DictationChromeos() override; |
| |
| // User-initiated dictation. |
| bool OnToggleDictation(); |
| |
| private: |
| friend class DictationTest; |
| |
| // SpeechRecognizerDelegate: |
| void OnSpeechResult(const base::string16& query, bool is_final) override; |
| void OnSpeechSoundLevelChanged(int16_t level) override; |
| void OnSpeechRecognitionStateChanged( |
| SpeechRecognizerStatus new_state) override; |
| void GetSpeechAuthParameters(std::string* auth_scope, |
| std::string* auth_token) override; |
| |
| // Saves current dictation result and stops listening. |
| void DictationOff(); |
| |
| std::unique_ptr<SpeechRecognizer> speech_recognizer_; |
| std::unique_ptr<ui::CompositionText> composition_; |
| |
| Profile* profile_; |
| |
| base::WeakPtrFactory<DictationChromeos> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DictationChromeos); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_DICTATION_CHROMEOS_H_ |