chromium/src/third_party/blink/renderer/modules/websockets/websocket_channel_client.h

/*
 * Copyright (C) 2011 Google Inc.  All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_CHANNEL_CLIENT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_CHANNEL_CLIENT_H_

#include <stdint.h>
#include <memory>
#include "base/containers/span.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class MODULES_EXPORT WebSocketChannelClient : public GarbageCollectedMixin {
 public:
  virtual ~WebSocketChannelClient() = default;
  virtual void DidConnect(const String& subprotocol, const String& extensions) {
  }
  virtual void DidReceiveTextMessage(const String&) {}
  virtual void DidReceiveBinaryMessage(
      const Vector<base::span<const char>>& data) {}
  virtual void DidError() {}
  virtual void DidConsumeBufferedAmount(uint64_t consumed) {}
  virtual void DidStartClosingHandshake() {}
  enum ClosingHandshakeCompletionStatus {
    kClosingHandshakeIncomplete,
    kClosingHandshakeComplete
  };
  virtual void DidClose(ClosingHandshakeCompletionStatus,
                        uint16_t /* code */,
                        const String& /* reason */) {}
  void Trace(Visitor* visitor) const override {}

 protected:
  WebSocketChannelClient() = default;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBSOCKETS_WEBSOCKET_CHANNEL_CLIENT_H_