third_party/blink/public/platform/web_rtc_dtmf_sender_handler.h

/*
 * Copyright (C) 2013 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:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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 GOOGLE INC. ``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 GOOGLE INC. 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
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_DTMF_SENDER_HANDLER_H_
#define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_DTMF_SENDER_HANDLER_H_

#include "third_party/blink/public/platform/web_common.h"
#include "third_party/blink/public/platform/web_string.h"

namespace blink {

class WebRTCDTMFSenderHandlerClient;

class WebRTCDTMFSenderHandler {
 public:
  virtual ~WebRTCDTMFSenderHandler() = default;

  virtual void SetClient(WebRTCDTMFSenderHandlerClient*) = 0;

  virtual WebString CurrentToneBuffer() = 0;

  virtual bool CanInsertDTMF() = 0;
  virtual bool InsertDTMF(const WebString& tones,
                          long duration,
                          long inter_tone_gap) = 0;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_WEB_RTC_DTMF_SENDER_HANDLER_H_