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