Initial checkin of the out of process worker implementation....

webkit/glue/webworkerclient_impl.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 WEBKIT_GLUE_WEBWORKERCLIENT_IMPL_H_
+#define WEBKIT_GLUE_WEBWORKERCLIENT_IMPL_H_
+
+#if ENABLE(WORKERS)
+
+#include "base/scoped_ptr.h"
+#include "webkit/glue/webworkerclient.h"
+
+#include "WorkerContextProxy.h"
+
+class WebWorker;
+
+// The purpose of this class is to provide a WorkerContextProxy
+// implementation that we can give to WebKit.  Internally, it converts the
+// data types to Chrome compatible ones so that renderer code can use it over
+// IPC.
+class WebWorkerClientImpl : public WebCore::WorkerContextProxy,
+                            public WebWorkerClient {
+ public:
+  WebWorkerClientImpl(WebCore::Worker* worker);
+
+  void set_webworker(WebWorker* webworker);
+
+  // WebCore::WorkerContextProxy implementation
+  void startWorkerContext(const WebCore::KURL& scriptURL,
+                          const WebCore::String& userAgent,
+                          const WebCore::String& sourceCode);
+  void terminateWorkerContext();
+  void postMessageToWorkerContext(const WebCore::String& message);
+  bool hasPendingActivity() const;
+  void workerObjectDestroyed();
+
+  // WebWorkerClient implementation.
+  void PostMessageToWorkerObject(const string16& message);
+  void PostExceptionToWorkerObject(const string16& error_message,
+                                   int line_number,
+                                   const string16& source_url);
+  void PostConsoleMessageToWorkerObject(int destination,
+                                        int source,
+                                        int level,
+                                        const string16& message,
+                                        int line_number,
+                                        const string16& source_url);
+  void ConfirmMessageFromWorkerObject(bool has_pending_activity);
+  void ReportPendingActivity(bool has_pending_activity);
+  void WorkerContextDestroyed();
+
+ private:
+  virtual ~WebWorkerClientImpl();
+
+  WebCore::Worker* worker_;
+  scoped_ptr<WebWorker> webworker_;
+};
+
+#endif
+
+#endif  // WEBKIT_GLUE_WEBWORKERCLIENT_IMPL_H_