file_system_dir_url_request_job.h revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
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 WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
6#define WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
7
8#include <string>
9#include <vector>
10
11#include "base/files/file_path.h"
12#include "base/memory/weak_ptr.h"
13#include "base/message_loop/message_loop_proxy.h"
14#include "base/platform_file.h"
15#include "net/url_request/url_request_job.h"
16#include "webkit/browser/fileapi/file_system_url.h"
17#include "webkit/browser/webkit_storage_browser_export.h"
18
19namespace fileapi {
20
21class FileSystemContext;
22struct DirectoryEntry;
23
24// A request job that handles reading filesystem: URLs for directories.
25class WEBKIT_STORAGE_BROWSER_EXPORT_PRIVATE FileSystemDirURLRequestJob
26    : public net::URLRequestJob {
27 public:
28  FileSystemDirURLRequestJob(
29      net::URLRequest* request,
30      net::NetworkDelegate* network_delegate,
31      FileSystemContext* file_system_context);
32
33  // URLRequestJob methods:
34  virtual void Start() OVERRIDE;
35  virtual void Kill() OVERRIDE;
36  virtual bool ReadRawData(net::IOBuffer* buf,
37                           int buf_size,
38                           int* bytes_read) OVERRIDE;
39  virtual bool GetCharset(std::string* charset) OVERRIDE;
40
41  // FilterContext methods (via URLRequestJob):
42  virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
43  // TODO(adamk): Implement GetResponseInfo and GetResponseCode to simulate
44  // an HTTP response.
45
46 private:
47  class CallbackDispatcher;
48
49  virtual ~FileSystemDirURLRequestJob();
50
51  void StartAsync();
52  void DidReadDirectory(base::PlatformFileError result,
53                        const std::vector<DirectoryEntry>& entries,
54                        bool has_more);
55
56  std::string data_;
57  FileSystemURL url_;
58  FileSystemContext* file_system_context_;
59  base::WeakPtrFactory<FileSystemDirURLRequestJob> weak_factory_;
60
61  DISALLOW_COPY_AND_ASSIGN(FileSystemDirURLRequestJob);
62};
63
64}  // namespace fileapi
65
66#endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
67