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| 1 // Copyright 2016 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 HEADLESS_PUBLIC_UTIL_MANAGED_DISPATCH_URL_REQUEST_JOB_H_ |
| 6 #define HEADLESS_PUBLIC_UTIL_MANAGED_DISPATCH_URL_REQUEST_JOB_H_ |
| 7 |
| 8 #include "base/macros.h" |
| 9 #include "net/base/net_errors.h" |
| 10 #include "net/url_request/url_request.h" |
| 11 #include "net/url_request/url_request_job.h" |
| 12 |
| 13 namespace headless { |
| 14 class URLRequestDispatcher; |
| 15 |
| 16 // A ManagedDispatchURLRequestJob exists to allow a URLRequestDispatcher control |
| 17 // the order in which a set of fetches complete. Typically this is done to make |
| 18 // fetching deterministic. NOTE URLRequestDispatcher sub classes use |
| 19 // OnHeadersComplete and OnStartError to drive the URLRequestJob. |
| 20 class ManagedDispatchURLRequestJob : public net::URLRequestJob { |
| 21 public: |
| 22 ManagedDispatchURLRequestJob(net::URLRequest* request, |
| 23 net::NetworkDelegate* network_delegate, |
| 24 URLRequestDispatcher* url_request_dispatcher); |
| 25 |
| 26 ~ManagedDispatchURLRequestJob() override; |
| 27 |
| 28 // Tells the net::URLRequestJob that the data has been fetched and is ready to |
| 29 // be consumed. |
| 30 virtual void OnHeadersComplete(); |
| 31 |
| 32 // Tells the net::URLRequestJob that the fetch failed. |
| 33 virtual void OnStartError(net::Error error); |
| 34 |
| 35 protected: |
| 36 // net::URLRequestJob implementation: |
| 37 void Kill() override; |
| 38 |
| 39 // Tell the dispatcher the request failed. |
| 40 virtual void DispatchStartError(net::Error error); |
| 41 |
| 42 // Tell the dispatcher the data is ready for the net stack to consume. |
| 43 virtual void DispatchHeadersComplete(); |
| 44 |
| 45 URLRequestDispatcher* url_request_dispatcher_; // Not owned. |
| 46 |
| 47 private: |
| 48 // Derived classes should not use NotifyHeadersComplete or NotifyStartError |
| 49 // directly. Instead they should use DispatchHeadersComplete or |
| 50 // DispatchStartError. |
| 51 using URLRequestJob::NotifyHeadersComplete; |
| 52 using URLRequestJob::NotifyStartError; |
| 53 |
| 54 DISALLOW_COPY_AND_ASSIGN(ManagedDispatchURLRequestJob); |
| 55 }; |
| 56 |
| 57 } // namespace headless |
| 58 |
| 59 #endif // HEADLESS_PUBLIC_UTIL_MANAGED_DISPATCH_URL_REQUEST_JOB_H_ |
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