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// Copyright 2014 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_NETWORK_SPEECH_RECOGNIZER_H_
#define CHROME_BROWSER_SPEECH_NETWORK_SPEECH_RECOGNIZER_H_
#include <string>
#include "chrome/browser/speech/speech_recognizer.h"
namespace network {
class PendingSharedURLLoaderFactory;
}
class SpeechRecognizerDelegate;
// NetworkSpeechRecognizer is a wrapper around the speech recognition engine
// that simplifies its use from the UI thread. This class handles all
// setup/shutdown, collection of results, error cases, and threading.
class NetworkSpeechRecognizer : public SpeechRecognizer {
public:
NetworkSpeechRecognizer(
const base::WeakPtr<SpeechRecognizerDelegate>& delegate,
std::unique_ptr<network::PendingSharedURLLoaderFactory>
pending_shared_url_loader_factory,
const std::string& locale);
~NetworkSpeechRecognizer() override;
NetworkSpeechRecognizer(const NetworkSpeechRecognizer&) = delete;
NetworkSpeechRecognizer& operator=(const NetworkSpeechRecognizer&) = delete;
// Must be called on the UI thread.
void Start() override;
void Stop() override;
private:
class EventListener;
scoped_refptr<EventListener> speech_event_listener_;
};
#endif // CHROME_BROWSER_SPEECH_NETWORK_SPEECH_RECOGNIZER_H_
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