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// 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 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(scoped_ptr<ServiceWorkerFetchRequest> request,
ServiceWorkerVersion* version,
const base::Closure& prepare_callback,
const FetchCallback& fetch_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 DidPrepare();
void DidFinish(ServiceWorkerStatusCode status,
ServiceWorkerFetchEventResult fetch_result,
const ServiceWorkerResponse& response);
scoped_refptr<ServiceWorkerVersion> version_;
base::Closure prepare_callback_;
FetchCallback fetch_callback_;
scoped_ptr<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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