third_party/WebKit/public/platform/WebRTCDataChannelHandlerClient.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:
 * 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 WebRTCDataChannelHandlerClient_h
#define WebRTCDataChannelHandlerClient_h

#include "WebCommon.h"
#include "WebPrivatePtr.h"
#include "WebString.h"

namespace blink {

class WebRTCDataChannelHandlerClient {
 public:
  enum ReadyState {
    kReadyStateConnecting = 0,
    kReadyStateOpen = 1,
    kReadyStateClosing = 2,
    kReadyStateClosed = 3,
  };

  virtual ~WebRTCDataChannelHandlerClient() {}

  virtual void DidChangeReadyState(ReadyState) = 0;
  // TODO(bemasc): Make this pure virtual once Chromium unit tests are updated
  virtual void DidDecreaseBufferedAmount(unsigned){};
  virtual void DidReceiveStringData(const WebString&) = 0;
  virtual void DidReceiveRawData(const char*, size_t) = 0;
  virtual void DidDetectError() = 0;
};

}  // namespace blink

#endif  // WebRTCDataChannelHandlerClient_h