--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/websockets/WebSocketChannel.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,104 @@
+/*
+ * 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 WebSocketChannel_h
+#define WebSocketChannel_h
+
+#if ENABLE(WEB_SOCKETS)
+
+#include "SocketStreamHandleClient.h"
+#include "ThreadableWebSocketChannel.h"
+#include "Timer.h"
+#include "WebSocketHandshake.h"
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+    class ScriptExecutionContext;
+    class String;
+    class SocketStreamHandle;
+    class SocketStreamError;
+    class WebSocketChannelClient;
+
+    class WebSocketChannel : public RefCounted<WebSocketChannel>, public SocketStreamHandleClient, public ThreadableWebSocketChannel {
+    public:
+        static PassRefPtr<WebSocketChannel> create(ScriptExecutionContext* context, WebSocketChannelClient* client, const KURL& url, const String& protocol) { return adoptRef(new WebSocketChannel(context, client, url, protocol)); }
+        virtual ~WebSocketChannel();
+
+        virtual void connect();
+        virtual bool send(const String& message);
+        virtual unsigned long bufferedAmount() const;
+        virtual void close();
+        virtual void disconnect(); // Will suppress didClose().
+
+        virtual void suspend();
+        virtual void resume();
+
+        virtual void didOpen(SocketStreamHandle*);
+        virtual void didClose(SocketStreamHandle*);
+        virtual void didReceiveData(SocketStreamHandle*, const char*, int);
+        virtual void didFail(SocketStreamHandle*, const SocketStreamError&);
+        virtual void didReceiveAuthenticationChallenge(SocketStreamHandle*, const AuthenticationChallenge&);
+        virtual void didCancelAuthenticationChallenge(SocketStreamHandle*, const AuthenticationChallenge&);
+
+        using RefCounted<WebSocketChannel>::ref;
+        using RefCounted<WebSocketChannel>::deref;
+
+    protected:
+        virtual void refThreadableWebSocketChannel() { ref(); }
+        virtual void derefThreadableWebSocketChannel() { deref(); }
+
+    private:
+        WebSocketChannel(ScriptExecutionContext*, WebSocketChannelClient*, const KURL&, const String& protocol);
+
+        bool appendToBuffer(const char* data, int len);
+        void skipBuffer(int len);
+        bool processBuffer();
+        void resumeTimerFired(Timer<WebSocketChannel>* timer);
+
+        ScriptExecutionContext* m_context;
+        WebSocketChannelClient* m_client;
+        WebSocketHandshake m_handshake;
+        RefPtr<SocketStreamHandle> m_handle;
+        char* m_buffer;
+        int m_bufferSize;
+
+        Timer<WebSocketChannel> m_resumeTimer;
+        bool m_suspended;
+        bool m_closed;
+        unsigned long m_unhandledBufferedAmount;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(WEB_SOCKETS)
+
+#endif // WebSocketChannel_h