1// Copyright (c) 2011 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
8#include <string>
9
10#include "base/files/file_path.h"
11#include "base/memory/weak_ptr.h"
12#include "net/base/directory_lister.h"
13#include "net/url_request/url_request_job.h"
14
15namespace net {
16
17class URLRequestFileDirJob
18  : public URLRequestJob,
19    public DirectoryLister::DirectoryListerDelegate {
20 public:
21  URLRequestFileDirJob(URLRequest* request,
22                       NetworkDelegate* network_delegate,
23                       const base::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() OVERRIDE;
31  virtual void Kill() OVERRIDE;
32  virtual bool ReadRawData(IOBuffer* buf,
33                           int buf_size,
34                           int* bytes_read) OVERRIDE;
35  virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
36  virtual bool GetCharset(std::string* charset) OVERRIDE;
37
38  // Overridden from DirectoryLister::DirectoryListerDelegate:
39  virtual void OnListFile(
40      const DirectoryLister::DirectoryListerData& data) OVERRIDE;
41  virtual void OnListDone(int error) OVERRIDE;
42
43 private:
44  virtual ~URLRequestFileDirJob();
45
46  void CloseLister();
47
48  // When we have data and a read has been pending, this function
49  // will fill the response buffer and notify the request
50  // appropriately.
51  void CompleteRead();
52
53  // Fills a buffer with the output.
54  bool FillReadBuffer(char *buf, int buf_size, int *bytes_read);
55
56  DirectoryLister lister_;
57  base::FilePath dir_path_;
58  std::string data_;
59  bool canceled_;
60
61  // Indicates whether we have the complete list of the dir
62  bool list_complete_;
63
64  // Indicates whether we have written the HTML header
65  bool wrote_header_;
66
67  // To simulate Async IO, we hold onto the Reader's buffer while
68  // we wait for IO to complete.  When done, we fill the buffer
69  // manually.
70  bool read_pending_;
71  scoped_refptr<IOBuffer> read_buffer_;
72  int read_buffer_length_;
73  base::WeakPtrFactory<URLRequestFileDirJob> weak_factory_;
74
75  DISALLOW_COPY_AND_ASSIGN(URLRequestFileDirJob);
76};
77
78}  // namespace net
79
80#endif  // NET_URL_REQUEST_URL_REQUEST_FILE_DIR_JOB_H_
81