1// Copyright (c) 2010 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 NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
6#define NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
7#pragma once
8
9#include <string>
10
11#include "base/file_path.h"
12#include "base/file_util.h"
13#include "base/task.h"
14#include "net/base/directory_lister.h"
15#include "net/url_request/url_request_job.h"
16
17namespace net {
18
19class URLRequestFileDirJob
20  : public URLRequestJob,
21    public DirectoryLister::DirectoryListerDelegate {
22 public:
23  URLRequestFileDirJob(URLRequest* request, const FilePath& dir_path);
24
25  bool list_complete() const { return list_complete_; }
26
27  virtual void StartAsync();
28
29  // Overridden from URLRequestJob:
30  virtual void Start();
31  virtual void Kill();
32  virtual bool ReadRawData(IOBuffer* buf, int buf_size, int *bytes_read);
33  virtual bool GetMimeType(std::string* mime_type) const;
34  virtual bool GetCharset(std::string* charset);
35
36  // Overridden from DirectoryLister::DirectoryListerDelegate:
37  virtual void OnListFile(
38      const DirectoryLister::DirectoryListerData& data);
39  virtual void OnListDone(int error);
40
41 private:
42  virtual ~URLRequestFileDirJob();
43
44  void CloseLister();
45
46  // When we have data and a read has been pending, this function
47  // will fill the response buffer and notify the request
48  // appropriately.
49  void CompleteRead();
50
51  // Fills a buffer with the output.
52  bool FillReadBuffer(char *buf, int buf_size, int *bytes_read);
53
54  scoped_refptr<DirectoryLister> lister_;
55  FilePath dir_path_;
56  std::string data_;
57  bool canceled_;
58
59  // Indicates whether we have the complete list of the dir
60  bool list_complete_;
61
62  // Indicates whether we have written the HTML header
63  bool wrote_header_;
64
65  // To simulate Async IO, we hold onto the Reader's buffer while
66  // we wait for IO to complete.  When done, we fill the buffer
67  // manually.
68  bool read_pending_;
69  scoped_refptr<IOBuffer> read_buffer_;
70  int read_buffer_length_;
71  ScopedRunnableMethodFactory<URLRequestFileDirJob> method_factory_;
72
73  DISALLOW_COPY_AND_ASSIGN(URLRequestFileDirJob);
74};
75
76}  // namespace net
77
78#endif  // NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
79