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
13class Profile;
14
15namespace extensions {
16
17class 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.
24class 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:
48  virtual ~ExtensionAssetsManager() {}
49};
50
51}  // namespace extensions
52
53#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_ASSETS_MANAGER_H_
54