--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/websockets/WorkerThreadableWebSocketChannel.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2009, 2010 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 WorkerThreadableWebSocketChannel_h
+#define WorkerThreadableWebSocketChannel_h
+
+#if ENABLE(WEB_SOCKETS) && ENABLE(WORKERS)
+
+#include "PlatformString.h"
+#include "ThreadableWebSocketChannel.h"
+#include "WebSocketChannelClient.h"
+
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Threading.h>
+
+namespace WebCore {
+
+class KURL;
+class ScriptExecutionContext;
+class ThreadableWebSocketChannelClientWrapper;
+class WorkerContext;
+class WorkerLoaderProxy;
+class WorkerRunLoop;
+
+class WorkerThreadableWebSocketChannel : public RefCounted<WorkerThreadableWebSocketChannel>, public ThreadableWebSocketChannel {
+public:
+    static PassRefPtr<ThreadableWebSocketChannel> create(WorkerContext* workerContext, WebSocketChannelClient* client, const String& taskMode, const KURL& url, const String& protocol)
+    {
+        return adoptRef(new WorkerThreadableWebSocketChannel(workerContext, client, taskMode, url, protocol));
+    }
+    virtual ~WorkerThreadableWebSocketChannel();
+
+    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();
+
+    using RefCounted<WorkerThreadableWebSocketChannel>::ref;
+    using RefCounted<WorkerThreadableWebSocketChannel>::deref;
+
+protected:
+    virtual void refThreadableWebSocketChannel() { ref(); }
+    virtual void derefThreadableWebSocketChannel() { deref(); }
+
+private:
+    // Generated by the bridge.  The Peer and its bridge should have identical
+    // lifetimes.
+    class Peer : public WebSocketChannelClient, public Noncopyable {
+    public:
+        static Peer* create(RefPtr<ThreadableWebSocketChannelClientWrapper> clientWrapper, WorkerLoaderProxy& loaderProxy, ScriptExecutionContext* context, const String& taskMode, const KURL& url, const String& protocol)
+        {
+            return new Peer(clientWrapper, loaderProxy, context, taskMode, url, protocol);
+        }
+        ~Peer();
+
+        void connect();
+        void send(const String& message);
+        void bufferedAmount();
+        void close();
+        void disconnect();
+        void suspend();
+        void resume();
+
+        virtual void didConnect();
+        virtual void didReceiveMessage(const String& message);
+        virtual void didClose(unsigned long unhandledBufferedAmount);
+
+    private:
+        Peer(RefPtr<ThreadableWebSocketChannelClientWrapper>, WorkerLoaderProxy&, ScriptExecutionContext*, const String& taskMode, const KURL&, const String& protocol);
+
+        RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
+        WorkerLoaderProxy& m_loaderProxy;
+        RefPtr<ThreadableWebSocketChannel> m_mainWebSocketChannel;
+        String m_taskMode;
+    };
+
+    // Bridge for Peer.  Running on the worker thread.
+    class Bridge : public RefCounted<Bridge> {
+    public:
+        static PassRefPtr<Bridge> create(PassRefPtr<ThreadableWebSocketChannelClientWrapper> workerClientWrapper, PassRefPtr<WorkerContext> workerContext, const String& taskMode, const KURL& url, const String& protocol)
+        {
+            return adoptRef(new Bridge(workerClientWrapper, workerContext, taskMode, url, protocol));
+        }
+        ~Bridge();
+        void connect();
+        bool send(const String& message);
+        unsigned long bufferedAmount();
+        void close();
+        void disconnect();
+        void suspend();
+        void resume();
+
+        using RefCounted<Bridge>::ref;
+        using RefCounted<Bridge>::deref;
+
+    private:
+        Bridge(PassRefPtr<ThreadableWebSocketChannelClientWrapper>, PassRefPtr<WorkerContext>, const String& taskMode, const KURL&, const String& protocol);
+
+        static void setWebSocketChannel(ScriptExecutionContext*, Bridge* thisPtr, Peer*, RefPtr<ThreadableWebSocketChannelClientWrapper>);
+
+        // Executed on the main thread to create a Peer for this bridge.
+        static void mainThreadCreateWebSocketChannel(ScriptExecutionContext*, Bridge* thisPtr, RefPtr<ThreadableWebSocketChannelClientWrapper>, const String& taskMode, const KURL&, const String& protocol);
+
+        // Executed on the worker context's thread.
+        void clearClientWrapper();
+
+        void setMethodNotCompleted();
+        void waitForMethodCompletion();
+
+        RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
+        RefPtr<WorkerContext> m_workerContext;
+        WorkerLoaderProxy& m_loaderProxy;
+        String m_taskMode;
+        Peer* m_peer;
+    };
+
+    WorkerThreadableWebSocketChannel(WorkerContext*, WebSocketChannelClient*, const String& taskMode, const KURL&, const String& protocol);
+
+    static void mainThreadConnect(ScriptExecutionContext*, Peer*);
+    static void mainThreadSend(ScriptExecutionContext*, Peer*, const String& message);
+    static void mainThreadBufferedAmount(ScriptExecutionContext*, Peer*);
+    static void mainThreadClose(ScriptExecutionContext*, Peer*);
+    static void mainThreadDestroy(ScriptExecutionContext*, Peer*);
+    static void mainThreadSuspend(ScriptExecutionContext*, Peer*);
+    static void mainThreadResume(ScriptExecutionContext*, Peer*);
+
+    RefPtr<WorkerContext> m_workerContext;
+    RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
+    RefPtr<Bridge> m_bridge;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(WEB_SOCKETS)
+
+#endif // WorkerThreadableWebSocketChannel_h