| // Copyright 2020 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 WEBLAYER_BROWSER_WEBLAYER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ |
| #define WEBLAYER_BROWSER_WEBLAYER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ |
| |
| #include "content/public/browser/speech_recognition_event_listener.h" |
| #include "content/public/browser/speech_recognition_manager_delegate.h" |
| #include "content/public/browser/speech_recognition_session_config.h" |
| |
| namespace weblayer { |
| |
| // WebLayer implementation of the SpeechRecognitionManagerDelegate interface. |
| class WebLayerSpeechRecognitionManagerDelegate |
| : public content::SpeechRecognitionManagerDelegate, |
| public content::SpeechRecognitionEventListener { |
| public: |
| WebLayerSpeechRecognitionManagerDelegate(); |
| ~WebLayerSpeechRecognitionManagerDelegate() override; |
| |
| WebLayerSpeechRecognitionManagerDelegate( |
| const WebLayerSpeechRecognitionManagerDelegate&) = delete; |
| WebLayerSpeechRecognitionManagerDelegate& operator=( |
| const WebLayerSpeechRecognitionManagerDelegate&) = delete; |
| |
| protected: |
| // SpeechRecognitionEventListener methods. |
| void OnRecognitionStart(int session_id) override; |
| void OnAudioStart(int session_id) override; |
| void OnEnvironmentEstimationComplete(int session_id) override; |
| void OnSoundStart(int session_id) override; |
| void OnSoundEnd(int session_id) override; |
| void OnAudioEnd(int session_id) override; |
| void OnRecognitionEnd(int session_id) override; |
| void OnRecognitionResults( |
| int session_id, |
| const std::vector<blink::mojom::SpeechRecognitionResultPtr>& result) |
| override; |
| void OnRecognitionError( |
| int session_id, |
| const blink::mojom::SpeechRecognitionError& error) override; |
| void OnAudioLevelsChange(int session_id, |
| float volume, |
| float noise_volume) override; |
| |
| // SpeechRecognitionManagerDelegate methods. |
| void CheckRecognitionIsAllowed( |
| int session_id, |
| base::OnceCallback<void(bool ask_user, bool is_allowed)> callback) |
| override; |
| content::SpeechRecognitionEventListener* GetEventListener() override; |
| bool FilterProfanities(int render_process_id) override; |
| |
| private: |
| // Checks for mojom::ViewType::kTabContents host in the UI thread and notifies |
| // back the result in the IO thread through |callback|. |
| static void CheckRenderFrameType( |
| base::OnceCallback<void(bool ask_user, bool is_allowed)> callback, |
| int render_process_id, |
| int render_frame_id); |
| }; |
| |
| } // namespace weblayer |
| |
| #endif // WEBLAYER_BROWSER_WEBLAYER_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_ |