1 // Copyright (c) 2014 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_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ 7 8 #include <string> 9 10 #include "base/callback.h" 11 #include "base/files/file_path.h" 12 13 class Profile; 14 15 namespace extensions { 16 17 class Extension; 18 19 // Assets manager for installed extensions. Some extensions can be installed in 20 // a shared place for multiple profiles (users). This class manages install and 21 // uninstall. At the time being shared location is used for default apps on 22 // Chrome OS only. This class must be used only from the extension file task 23 // runner thread. 24 class ExtensionAssetsManager { 25 public: 26 // Callback that is invoked when the extension assets are installed. 27 // |file_path| is destination directory on success or empty in case of error. 28 typedef base::Callback<void(const base::FilePath& file_path)> 29 InstallExtensionCallback; 30 31 static ExtensionAssetsManager* GetInstance(); 32 33 // Copy extension assets to final location. This location could be under 34 // |local_install_dir| or some common location shared for multiple users. 35 virtual void InstallExtension(const Extension* extension, 36 const base::FilePath& unpacked_extension_root, 37 const base::FilePath& local_install_dir, 38 Profile* profile, 39 InstallExtensionCallback callback) = 0; 40 41 // Remove extension assets if it is not used by anyone else. 42 virtual void UninstallExtension(const std::string& id, 43 Profile* profile, 44 const base::FilePath& local_install_dir, 45 const base::FilePath& extension_root) = 0; 46 47 protected: ~ExtensionAssetsManager()48 virtual ~ExtensionAssetsManager() {} 49 }; 50 51 } // namespace extensions 52 53 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_ 54