storage/browser/fileapi/file_system_dir_url_request_job.h

   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
  19 namespace storage {
  20
  21 class FileSystemContext;
  22 struct DirectoryEntry;
  23
  24 // A request job that handles reading filesystem: URLs for directories.
  25 class 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_