root/Source/modules/websockets/ThreadableWebSocketChannelClientWrapper.h

INCLUDED FROM

/*
 * 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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 *     * 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
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 * in the documentation and/or other materials provided with the
 * distribution.
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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 ThreadableWebSocketChannelClientWrapper_h
#define ThreadableWebSocketChannelClientWrapper_h

#include "core/dom/ExecutionContextTask.h"
#include "modules/websockets/WebSocketChannel.h"
#include "modules/websockets/WebSocketChannelClient.h"
#include "wtf/Forward.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/ThreadSafeRefCounted.h"
#include "wtf/Vector.h"

namespace WebCore {

class ExecutionContext;
class WebSocketChannelClient;

class ThreadableWebSocketChannelClientWrapper : public ThreadSafeRefCounted<ThreadableWebSocketChannelClientWrapper> {
public:
    static PassRefPtr<ThreadableWebSocketChannelClientWrapper> create(WebSocketChannelClient*);

    // Subprotocol and extensions will be available when didConnect() callback is invoked.
    String subprotocol() const;
    void setSubprotocol(const String&);
    String extensions() const;
    void setExtensions(const String&);

    void clearClient();

    void didConnect();
    void didReceiveMessage(const String& message);
    void didReceiveBinaryData(PassOwnPtr<Vector<char> >);
    void didUpdateBufferedAmount(unsigned long bufferedAmount);
    void didStartClosingHandshake();
    void didClose(unsigned long unhandledBufferedAmount, WebSocketChannelClient::ClosingHandshakeCompletionStatus, unsigned short code, const String& reason);
    void didReceiveMessageError();

    void suspend();
    void resume();

private:
    ThreadableWebSocketChannelClientWrapper(WebSocketChannelClient*);

    void processPendingTasks();

    static void didConnectCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>);
    static void didReceiveMessageCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, const String& message);
    static void didReceiveBinaryDataCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, PassOwnPtr<Vector<char> >);
    static void didUpdateBufferedAmountCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, unsigned long bufferedAmount);
    static void didStartClosingHandshakeCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>);
    static void didCloseCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>, unsigned long unhandledBufferedAmount, WebSocketChannelClient::ClosingHandshakeCompletionStatus, unsigned short code, const String& reason);
    static void didReceiveMessageErrorCallback(ExecutionContext*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>);

    WebSocketChannelClient* m_client;
    // ThreadSafeRefCounted must not have String member variables.
    Vector<UChar> m_subprotocol;
    Vector<UChar> m_extensions;
    bool m_suspended;
    Vector<OwnPtr<ExecutionContextTask> > m_pendingTasks;
};

} // namespace WebCore

#endif // ThreadableWebSocketChannelClientWrapper_h