root/content/browser/service_worker/service_worker_fetch_dispatcher.h

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INCLUDED FROM


// Copyright 2014 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_FETCH_DISPATCHER_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_

#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/weak_ptr.h"
#include "content/common/service_worker/service_worker_status_code.h"
#include "content/common/service_worker/service_worker_types.h"

namespace net {
class URLRequest;
}

namespace content {

class ServiceWorkerVersion;

// A helper class to dispatch fetch event to a service worker.
class ServiceWorkerFetchDispatcher {
 public:
  typedef base::Callback<void(ServiceWorkerStatusCode,
                              ServiceWorkerFetchEventResult,
                              const ServiceWorkerResponse&)> FetchCallback;

  ServiceWorkerFetchDispatcher(
      net::URLRequest* request,
      ServiceWorkerVersion* version,
      const FetchCallback& callback);
  ~ServiceWorkerFetchDispatcher();

  // Dispatches a fetch event to the |version| given in ctor, and fires
  // |callback| (also given in ctor) when finishes.
  void Run();

 private:
  void DidWaitActivation();
  void DidFailActivation();
  void DispatchFetchEvent();
  void DidFinish(ServiceWorkerStatusCode status,
                 ServiceWorkerFetchEventResult fetch_result,
                 const ServiceWorkerResponse& response);

  scoped_refptr<ServiceWorkerVersion> version_;
  FetchCallback callback_;
  ServiceWorkerFetchRequest request_;
  base::WeakPtrFactory<ServiceWorkerFetchDispatcher> weak_factory_;

  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerFetchDispatcher);
};

}  // namespace content

#endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_

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