xref: /external/webkit/Source/WebCore/websockets/ThreadableWebSocketChannel.h

/*
 * Copyright (C) 2009 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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 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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#ifndef ThreadableWebSocketChannel_h
#define ThreadableWebSocketChannel_h

#if ENABLE(WEB_SOCKETS)

#include <wtf/Forward.h>
#include <wtf/Noncopyable.h>
#include <wtf/PassRefPtr.h>

namespace WebCore {

class KURL;
class ScriptExecutionContext;
class WebSocketChannelClient;

class ThreadableWebSocketChannel {
    WTF_MAKE_NONCOPYABLE(ThreadableWebSocketChannel);
public:
    ThreadableWebSocketChannel() { }
    static PassRefPtr<ThreadableWebSocketChannel> create(ScriptExecutionContext*, WebSocketChannelClient*, const KURL&, const String& protocol);

    virtual void connect() = 0;
    virtual bool send(const String& message) = 0;
    virtual unsigned long bufferedAmount() const = 0;
    virtual void close() = 0;
    virtual void disconnect() = 0; // Will suppress didClose().

    virtual void suspend() = 0;
    virtual void resume() = 0;

    void ref() { refThreadableWebSocketChannel(); }
    void deref() { derefThreadableWebSocketChannel(); }

protected:
    virtual ~ThreadableWebSocketChannel() { }
    virtual void refThreadableWebSocketChannel() = 0;
    virtual void derefThreadableWebSocketChannel() = 0;
};

} // namespace WebCore

#endif // ENABLE(WEB_SOCKETS)

#endif // ThreadableWebSocketChannel_h