third_party/WebKit/Source/modules/speech/SpeechRecognitionClient.h

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef SpeechRecognitionClient_h
#define SpeechRecognitionClient_h

#include <memory>
#include "modules/ModulesExport.h"
#include "platform/wtf/text/WTFString.h"

namespace blink {

class Page;
class SpeechGrammarList;
class SpeechRecognition;

class SpeechRecognitionClient {
 public:
  virtual void Start(SpeechRecognition*,
                     const SpeechGrammarList*,
                     const String& lang,
                     bool continuous,
                     bool interim_results,
                     unsigned long max_alternatives) = 0;
  virtual void Stop(SpeechRecognition*) = 0;
  virtual void Abort(SpeechRecognition*) = 0;

  virtual ~SpeechRecognitionClient() {}
};

MODULES_EXPORT void ProvideSpeechRecognitionTo(
    Page&,
    std::unique_ptr<SpeechRecognitionClient>);

}  // namespace blink

#endif  // SpeechRecognitionClient_h