| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OBSERVER_H_ |
| #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OBSERVER_H_ |
| |
| #include "chrome/browser/chromeos/drive/file_errors.h" |
| |
| namespace base { |
| class FilePath; |
| } |
| |
| namespace drive { |
| |
| // Interface for classes that need to observe events from classes implementing |
| // FileSystemInterface. |
| // All events are notified on UI thread. |
| class FileSystemObserver { |
| public: |
| // Triggered when a content of a directory has been changed. |
| // |directory_path| is a virtual directory path (/drive/...) representing |
| // changed directory. |
| virtual void OnDirectoryChanged(const base::FilePath& directory_path) {} |
| |
| protected: |
| virtual ~FileSystemObserver() {} |
| }; |
| |
| } // namespace drive |
| |
| #endif // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_OBSERVER_H_ |