text: /*
   * Copyright (C) 2009 Apple Inc. All rights reserved.
   * Copyright (C) 2009 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 SocketStreamHandleBase_h
  #define SocketStreamHandleBase_h
  
  #include "KURL.h"
  
  #include <wtf/Vector.h>
  
  namespace WebCore {
  
      class SocketStreamHandle;
      class SocketStreamHandleClient;
  
      class SocketStreamHandleBase {
      public:
          enum SocketStreamState { Connecting, Open, Closed };
          virtual ~SocketStreamHandleBase() { }
          SocketStreamState state() const;
  
          bool send(const char* data, int length);
          void close();
          int bufferedAmount() const { return m_buffer.size(); }
  
          SocketStreamHandleClient* client() const { return m_client; }
          void setClient(SocketStreamHandleClient*);
  
      protected:
          SocketStreamHandleBase(const KURL&, SocketStreamHandleClient*);
  
          bool sendPendingData();
          virtual int platformSend(const char* data, int length) = 0;
          virtual void platformClose() = 0;
  
          KURL m_url;
          SocketStreamHandleClient* m_client;
          Vector<char> m_buffer;
          SocketStreamState m_state;
      };
  
  }  // namespace WebCore
  
  #endif  // SocketStreamHandleBase_h
  