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chrome/renderer/webworker_context_proxy.h

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_RENDERER_WEBWORKER_CONTEXT_PROXY_H_
+#define CHROME_RENDERER_WEBWORKER_CONTEXT_PROXY_H_
+
+#include "base/basictypes.h"
+#include "webkit/glue/webworker.h"
+
+class GURL;
+class RenderView;
+
+namespace IPC {
+  class Message;
+}
+
+// This class provides an implementation of WebWorkerContextProxy that the
+// renderer provides to the glue.  The implementation knows how to convert
+// the WebWorkerContextProxy function calls into IPC messages that call a
+// WebWorkerContextStub object in the worker process (which then calls
+// WebKit's WorkerContextProxy implementation).
+class WebWorkerContextProxyImpl : public WebWorkerContextProxy {
+ public:
+  WebWorkerContextProxyImpl(RenderView* render_view);
+  virtual ~WebWorkerContextProxyImpl();
+  virtual void StartWorkerContext(const GURL& script_url,
+                                  const std::string& user_agent,
+                                  const std::string& source_code);
+  virtual void TerminateWorkerContext();
+  virtual void PostMessageToWorkerContext(const std::string&);
+  virtual bool HasPendingActivity() const;
+  virtual void WorkerObjectDestroyed();
+
+ private:
+  bool Send(IPC::Message* msg);
+
+  RenderView* render_view_;
+  int route_id_;
+  DISALLOW_EVIL_CONSTRUCTORS(WebWorkerContextProxyImpl);
+};
+
+#endif  // CHROME_RENDERER_WEBWORKER_CONTEXT_PROXY_H_