/*
 * Copyright (C) 2011, 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 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 WebPepperSocketImpl_h
#define WebPepperSocketImpl_h

#include "modules/websockets/WebSocketChannelClient.h"
#include "platform/heap/Handle.h"
#include "public/platform/WebCommon.h"
#include "public/platform/WebString.h"
#include "public/web/WebPepperSocket.h"
#include "public/web/WebPepperSocketClient.h"
#include "wtf/RefPtr.h"
#include <memory>

namespace blink {

class WebDocument;
class WebPepperSocketChannelClientProxy;
class WebSocketChannel;
class WebURL;

class WebPepperSocketImpl final : public WebPepperSocket {
 public:
  WebPepperSocketImpl(const WebDocument&, WebPepperSocketClient*);
  ~WebPepperSocketImpl() override;

  bool isNull() const { return !m_private; }

  BinaryType binaryType() const override;
  bool setBinaryType(BinaryType) override;
  void connect(const WebURL&, const WebString& protocol) override;
  WebString subprotocol() override;
  WebString extensions() override;
  bool sendText(const WebString&) override;
  bool sendArrayBuffer(const WebArrayBuffer&) override;
  unsigned long bufferedAmount() const override;
  void close(int code, const WebString& reason) override;
  void fail(const WebString& reason) override;
  void disconnect() override;

  // WebSocketChannelClient methods proxied by
  // WebPepperSocketChannelClientProxy.
  void didConnect(const String& subprotocol, const String& extensions);
  void didReceiveTextMessage(const String& payload);
  void didReceiveBinaryMessage(std::unique_ptr<Vector<char>> payload);
  void didError();
  void didConsumeBufferedAmount(unsigned long consumed);
  void didStartClosingHandshake();
  void didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus,
                unsigned short code,
                const String& reason);

 private:
  Persistent<WebSocketChannel> m_private;
  WebPepperSocketClient* m_client;
  Persistent<WebPepperSocketChannelClientProxy> m_channelProxy;
  BinaryType m_binaryType;
  WebString m_subprotocol;
  WebString m_extensions;
  bool m_isClosingOrClosed;
  // m_bufferedAmount includes m_bufferedAmountAfterClose.
  unsigned long m_bufferedAmount;
  unsigned long m_bufferedAmountAfterClose;
};

}  // namespace blink

#endif  // WebPepperSocketImpl_h