chrome/browser/chromeos/drive/file_system_backend_delegate.h

   1 // Copyright 2013 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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_BACKEND_DELEGATE_H_
   6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_BACKEND_DELEGATE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "chrome/browser/chromeos/fileapi/file_system_backend_delegate.h"
  11
  12 namespace content {
  13 class BrowserContext;
  14 }  // namespace content
  15
  16 namespace fileapi {
  17 class AsyncFileUtil;
  18 }  // namespace fileapi
  19
  20 namespace drive {
  21
  22 // Delegate implementation of the some methods in chromeos::FileSystemBackend
  23 // for Drive file system.
  24 class FileSystemBackendDelegate : public chromeos::FileSystemBackendDelegate {
  25  public:
  26   // |browser_context| is used to obtain |profile_id_|.
  27   explicit FileSystemBackendDelegate(content::BrowserContext* browser_context);
  28   virtual ~FileSystemBackendDelegate();
  29
  30   // FileSystemBackend::Delegate overrides.
  31   virtual fileapi::AsyncFileUtil* GetAsyncFileUtil(
  32       fileapi::FileSystemType type) OVERRIDE;
  33   virtual scoped_ptr<webkit_blob::FileStreamReader> CreateFileStreamReader(
  34       const fileapi::FileSystemURL& url,
  35       int64 offset,
  36       const base::Time& expected_modification_time,
  37       fileapi::FileSystemContext* context) OVERRIDE;
  38   virtual scoped_ptr<fileapi::FileStreamWriter> CreateFileStreamWriter(
  39       const fileapi::FileSystemURL& url,
  40       int64 offset,
  41       fileapi::FileSystemContext* context) OVERRIDE;
  42
  43  private:
  44   // The profile for processing Drive accesses. Should not be NULL.
  45   void* profile_id_;
  46   scoped_ptr<fileapi::AsyncFileUtil> async_file_util_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(FileSystemBackendDelegate);
  49 };
  50
  51 }  // namespace drive
  52
  53 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_BACKEND_DELEGATE_H_