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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SPEECH_CHROME_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
#define CHROME_BROWSER_SPEECH_CHROME_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 speech {
// This is Chrome's implementation of the SpeechRecognitionManagerDelegate
// interface.
class ChromeSpeechRecognitionManagerDelegate
: public content::SpeechRecognitionManagerDelegate,
public content::SpeechRecognitionEventListener {
public:
ChromeSpeechRecognitionManagerDelegate();
ChromeSpeechRecognitionManagerDelegate(
const ChromeSpeechRecognitionManagerDelegate&) = delete;
ChromeSpeechRecognitionManagerDelegate& operator=(
const ChromeSpeechRecognitionManagerDelegate&) = delete;
~ChromeSpeechRecognitionManagerDelegate() override;
protected:
// SpeechRecognitionEventListener methods.
void OnRecognitionStart(int session_id) override;
void OnAudioStart(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<media::mojom::WebSpeechRecognitionResultPtr>& result)
override;
void OnRecognitionError(
int session_id,
const media::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;
#if !BUILDFLAG(IS_ANDROID)
// This will bind to the Speech Recognition Service if available.
void BindSpeechRecognitionContext(
mojo::PendingReceiver<media::mojom::SpeechRecognitionContext> receiver)
override;
#endif // !BUILDFLAG(IS_ANDROID)
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 speech
#endif // CHROME_BROWSER_SPEECH_CHROME_SPEECH_RECOGNITION_MANAGER_DELEGATE_H_
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