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url_request_slow_download_job.h

// Copyright (c) 2006-2008 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.
// This class simulates a slow download.  This used in a UI test to test the
// download manager.  Requests to |kUnknownSizeUrl| and |kKnownSizeUrl| start
// downloads that pause after the first

#ifndef CHROME_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_
#define CHROME_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_

#include <string>
#include <vector>

#include "net/url_request/url_request_job.h"

class URLRequestSlowDownloadJob : public URLRequestJob {
 public:
  explicit URLRequestSlowDownloadJob(URLRequest* request);

  // Timer callback, used to check to see if we should finish our download and
  // send the second chunk.
  void CheckDoneStatus();

  // URLRequestJob methods
  virtual void Start();
  virtual bool GetMimeType(std::string* mime_type) const;
  virtual void GetResponseInfo(net::HttpResponseInfo* info);
  virtual bool ReadRawData(net::IOBuffer* buf, int buf_size, int *bytes_read);

  static URLRequestJob* Factory(URLRequest* request,
                                const std::string& scheme);

  // Test URLs.
  static const char kUnknownSizeUrl[];
  static const char kKnownSizeUrl[];
  static const char kFinishDownloadUrl[];

  // Adds the testing URLs to the URLRequestFilter.
  static void AddUrlHandler();

 private:
  virtual ~URLRequestSlowDownloadJob() { }

  void GetResponseInfoConst(net::HttpResponseInfo* info) const;

  // Mark all pending requests to be finished.  We keep track of pending
  // requests in |kPendingRequests|.
  static void FinishPendingRequests();
  static std::vector<URLRequestSlowDownloadJob*> kPendingRequests;

  void StartAsync();

  void set_should_finish_download() { should_finish_download_ = true; }

  int first_download_size_remaining_;
  bool should_finish_download_;
  bool should_send_second_chunk_;
};

#endif  // CHROME_BROWSER_NET_URL_REQUEST_SLOW_DOWNLOAD_JOB_H_

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