| // Copyright (c) 2014 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_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ | 
 | #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ | 
 |  | 
 | #include <string> | 
 |  | 
 | #include "base/callback.h" | 
 | #include "base/files/file_path.h" | 
 |  | 
 | class Profile; | 
 |  | 
 | namespace extensions { | 
 |  | 
 | class Extension; | 
 |  | 
 | // Assets manager for installed extensions. Some extensions can be installed in | 
 | // a shared place for multiple profiles (users). This class manages install and | 
 | // uninstall. At the time being shared location is used for default apps on | 
 | // Chrome OS only. This class must be used only from the extension file task | 
 | // runner thread. | 
 | class ExtensionAssetsManager { | 
 |  public: | 
 |   // Callback that is invoked when the extension assets are installed. | 
 |   // |file_path| is destination directory on success or empty in case of error. | 
 |   typedef base::Callback<void(const base::FilePath& file_path)> | 
 |       InstallExtensionCallback; | 
 |  | 
 |   static ExtensionAssetsManager* GetInstance(); | 
 |  | 
 |   // Copy extension assets to final location. This location could be under | 
 |   // |local_install_dir| or some common location shared for multiple users. | 
 |   virtual void InstallExtension(const Extension* extension, | 
 |                                 const base::FilePath& unpacked_extension_root, | 
 |                                 const base::FilePath& local_install_dir, | 
 |                                 Profile* profile, | 
 |                                 InstallExtensionCallback callback) = 0; | 
 |  | 
 |   // Remove extension assets if it is not used by anyone else. | 
 |   virtual void UninstallExtension(const std::string& id, | 
 |                                   Profile* profile, | 
 |                                   const base::FilePath& local_install_dir, | 
 |                                   const base::FilePath& extension_root) = 0; | 
 |  | 
 |  protected: | 
 |   virtual ~ExtensionAssetsManager() {} | 
 | }; | 
 |  | 
 | }  // namespace extensions | 
 |  | 
 | #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ |