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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.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 "webkit/browser/fileapi/file_system_url.h"
17 #include "webkit/browser/webkit_storage_browser_export.h"
18 
19 namespace fileapi {
20 
21 class FileSystemContext;
22 struct DirectoryEntry;
23 
24 // A request job that handles reading filesystem: URLs for directories.
25 class WEBKIT_STORAGE_BROWSER_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 fileapi
68 
69 #endif  // WEBKIT_BROWSER_FILEAPI_FILE_SYSTEM_DIR_URL_REQUEST_JOB_H_
70