OLD | NEW |
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ |
6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/files/file_path.h" | 10 #include "base/files/file_path.h" |
11 #include "base/memory/ref_counted.h" | 11 #include "base/memory/ref_counted.h" |
12 | 12 |
13 class ValueStore; | 13 class ValueStore; |
14 | 14 |
15 namespace extensions { | 15 namespace extensions { |
16 | 16 |
17 // Factory for creating SettingStorage instances. | 17 // Factory for creating SettingStorage instances. |
18 // | 18 // |
19 // Refcouted because it's just too messy to distribute these objects between | 19 // Refcouted because it's just too messy to distribute these objects between |
20 // SettingsBackend instances any other way. | 20 // SettingsBackend instances any other way. |
21 class SettingsStorageFactory | 21 class SettingsStorageFactory |
22 : public base::RefCountedThreadSafe<SettingsStorageFactory> { | 22 : public base::RefCountedThreadSafe<SettingsStorageFactory> { |
23 public: | 23 public: |
24 // Creates a new ValueStore area for an extension under |base_path|. | 24 // Creates a new ValueStore area for an extension under |base_path|. |
25 // Return NULL to indicate failure. Must be called on the FILE thread. | 25 // Return NULL to indicate failure. Must be called on the FILE thread. |
26 virtual ValueStore* Create(const base::FilePath& base_path, | 26 virtual ValueStore* Create(const base::FilePath& base_path, |
27 const std::string& extension_id) = 0; | 27 const std::string& extension_id) = 0; |
28 | 28 |
29 // Deletes the database for the extension, if one exists. | |
30 // Note: it is important to delete references to the database if any are | |
31 // held, because ValueStores will create themselves if there is no file. | |
32 virtual void DeleteDatabaseIfExists(const base::FilePath& base_path, | |
33 const std::string& extension_id) = 0; | |
34 | |
35 protected: | 29 protected: |
36 friend class base::RefCountedThreadSafe<SettingsStorageFactory>; | 30 friend class base::RefCountedThreadSafe<SettingsStorageFactory>; |
37 virtual ~SettingsStorageFactory() {} | 31 virtual ~SettingsStorageFactory() {} |
38 }; | 32 }; |
39 | 33 |
40 } // namespace extensions | 34 } // namespace extensions |
41 | 35 |
42 #endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ | 36 #endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTINGS_STORAGE_FACTORY_H_ |
OLD | NEW |