chrome/browser/chromeos/drive/file_system/operation_observer.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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_OBSERVER_H_
   6 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_OBSERVER_H_
   7
   8 namespace base {
   9 class FilePath;
  10 }
  11
  12 namespace drive {
  13 namespace file_system {
  14
  15 // Error type of sync client.
  16 enum DriveSyncErrorType {
  17   // Request to delete a file without permission.
  18   DRIVE_SYNC_ERROR_DELETE_WITHOUT_PERMISSION,
  19   // Google Drive is temporary unavailable.
  20   DRIVE_SYNC_ERROR_SERVICE_UNAVAILABLE,
  21 };
  22
  23 // Passes notifications from Drive operations back to the file system.
  24 class OperationObserver {
  25  public:
  26   // Sent when a content of a directory has been changed.
  27   // |directory_path| is a virtual directory path representing the
  28   // changed directory.
  29   virtual void OnDirectoryChangedByOperation(
  30       const base::FilePath& directory_path) = 0;
  31
  32   // Sent when a cache file is modified and upload is needed.
  33   virtual void OnCacheFileUploadNeededByOperation(
  34       const std::string& local_id) = 0;
  35
  36   // Sent when metadata entry is updated and sync is needed.
  37   virtual void OnEntryUpdatedByOperation(const std::string& local_id) {}
  38
  39   // Sent when a specific drive sync error occurred.
  40   // |local_id| is the local ID of the resource entry.
  41   virtual void OnDriveSyncError(DriveSyncErrorType type,
  42                                 const std::string& local_id) {}
  43 };
  44
  45 }  // namespace file_system
  46 }  // namespace drive
  47
  48 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OPERATION_OBSERVER_H_