content/browser/service_worker/service_worker_fetch_dispatcher.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_
   6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/callback.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "content/common/service_worker/service_worker_status_code.h"
  12 #include "content/common/service_worker/service_worker_types.h"
  13
  14 namespace net {
  15 class URLRequest;
  16 }
  17
  18 namespace content {
  19
  20 class ServiceWorkerVersion;
  21
  22 // A helper class to dispatch fetch event to a service worker.
  23 class ServiceWorkerFetchDispatcher {
  24  public:
  25   typedef base::Callback<void(ServiceWorkerStatusCode,
  26                               ServiceWorkerFetchEventResult,
  27                               const ServiceWorkerResponse&)> FetchCallback;
  28
  29   ServiceWorkerFetchDispatcher(
  30       net::URLRequest* request,
  31       ServiceWorkerVersion* version,
  32       const FetchCallback& callback);
  33   ~ServiceWorkerFetchDispatcher();
  34
  35   // Dispatches a fetch event to the |version| given in ctor, and fires
  36   // |callback| (also given in ctor) when finishes.
  37   void Run();
  38
  39  private:
  40   void DidWaitActivation();
  41   void DidFailActivation();
  42   void DispatchFetchEvent();
  43   void DidFinish(ServiceWorkerStatusCode status,
  44                  ServiceWorkerFetchEventResult fetch_result,
  45                  const ServiceWorkerResponse& response);
  46
  47   scoped_refptr<ServiceWorkerVersion> version_;
  48   FetchCallback callback_;
  49   ServiceWorkerFetchRequest request_;
  50   base::WeakPtrFactory<ServiceWorkerFetchDispatcher> weak_factory_;
  51
  52   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerFetchDispatcher);
  53 };
  54
  55 }  // namespace content
  56
  57 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_DISPATCHER_H_