service worker scaffolding

content/browser/service_worker/service_worker_context_wrapper.h

+// Copyright 2013 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 CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
+#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_
+
+#include "base/files/file_path.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/service_worker_context.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace quota {
+class QuotaManagerProxy;
+}
+
+namespace content {
+
+class ServiceWorkerContextCore;
+
+// A refcounted wrapper class for our core object. Higher level content lib
+// classes keep references to this class on mutliple threads. The inner core
+// instance is strictly single threaded and is not refcounted, the core object
+// is what is used internally in the service worker lib.
+class ServiceWorkerContextWrapper
+    : NON_EXPORTED_BASE(public ServiceWorkerContext),
+      public base::RefCountedThreadSafe<ServiceWorkerContextWrapper> {
+ public:
+  ServiceWorkerContextWrapper(const base::FilePath& user_data_directory,
+                              quota::QuotaManagerProxy* quota_manager_proxy);
+
+  // Called when the Profile/BrowserContext/StoragePartition is going away.
+  void Shutdown();
+
+  // Only for use on the IO thread.
+  ServiceWorkerContextCore* context();
+
+ private:
+  friend class base::RefCountedThreadSafe<ServiceWorkerContextWrapper>;
+  virtual ~ServiceWorkerContextWrapper();
+
+  scoped_ptr<ServiceWorkerContextCore> context_core_;
+  scoped_refptr<quota::QuotaManagerProxy> quota_manager_proxy_;
+  base::FilePath user_data_directory_;
+  bool is_shutdown_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CONTEXT_WRAPPER_H_