1// Copyright (c) 2012 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 STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
6#define STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
7
8#include <string>
9#include <vector>
10
11#include "base/files/file.h"
12#include "base/files/file_path.h"
13#include "base/memory/weak_ptr.h"
14#include "base/message_loop/message_loop_proxy.h"
15#include "net/url_request/url_request_job.h"
16#include "storage/browser/fileapi/file_system_url.h"
17#include "storage/browser/storage_browser_export.h"
18
19namespace storage {
20
21class FileSystemContext;
22struct DirectoryEntry;
23
24// A request job that handles reading filesystem: URLs for directories.
25class STORAGE_EXPORT_PRIVATE FileSystemDirURLRequestJob
26    : public net::URLRequestJob {
27 public:
28  FileSystemDirURLRequestJob(
29      net::URLRequest* request,
30      net::NetworkDelegate* network_delegate,
31      const std::string& storage_domain,
32      FileSystemContext* file_system_context);
33
34  // URLRequestJob methods:
35  virtual void Start() OVERRIDE;
36  virtual void Kill() OVERRIDE;
37  virtual bool ReadRawData(net::IOBuffer* buf,
38                           int buf_size,
39                           int* bytes_read) OVERRIDE;
40  virtual bool GetCharset(std::string* charset) OVERRIDE;
41
42  // FilterContext methods (via URLRequestJob):
43  virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
44  // TODO(adamk): Implement GetResponseInfo and GetResponseCode to simulate
45  // an HTTP response.
46
47 private:
48  class CallbackDispatcher;
49
50  virtual ~FileSystemDirURLRequestJob();
51
52  void StartAsync();
53  void DidAttemptAutoMount(base::File::Error result);
54  void DidReadDirectory(base::File::Error result,
55                        const std::vector<DirectoryEntry>& entries,
56                        bool has_more);
57
58  std::string data_;
59  FileSystemURL url_;
60  const std::string storage_domain_;
61  FileSystemContext* file_system_context_;
62  base::WeakPtrFactory<FileSystemDirURLRequestJob> weak_factory_;
63
64  DISALLOW_COPY_AND_ASSIGN(FileSystemDirURLRequestJob);
65};
66
67}  // namespace storage
68
69#endif  // STORAGE_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
70