Index: chrome/browser/extensions/extension_settings.h |
diff --git a/chrome/browser/extensions/extension_settings.h b/chrome/browser/extensions/extension_settings.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..6a867aa9b086b58b873ecd11be010066bc041e99 |
--- /dev/null |
+++ b/chrome/browser/extensions/extension_settings.h |
@@ -0,0 +1,59 @@ |
+// Copyright (c) 2011 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_SETTINGS_H_ |
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_H_ |
+#pragma once |
+ |
+#include "base/file_path.h" |
+#include "chrome/browser/extensions/extension_settings_storage.h" |
+ |
+// Manages ExtensionSettingsStorage objects for extensions. |
+class ExtensionSettings { |
+ public: |
+ // File path is the base of the extension settings directory. |
+ // The databases will be at base_path/extension_id. |
+ explicit ExtensionSettings(const FilePath& base_path); |
+ ~ExtensionSettings(); |
+ |
+ // Callback for the GetStorage() methods. The callback will always be Run() |
+ // from a PostMessage to the UI thread, even if the storage area is cached. |
+ class Callback { |
+ public: |
+ virtual ~Callback() {} |
+ |
+ // Called when the storage area is available. Ownership of the object |
+ // remains with the ExtensionSettings object. |
+ virtual void Run(ExtensionSettingsStorage* storage) = 0; |
+ }; |
+ |
+ // Gets the storage area for a given extension. |
+ // By default this will be of a cached LEVELDB storage, but on failure to |
+ // create a leveldb instance will fall back to cached NOOP storage. |
+ // Callback objects will be deleted when used. |
+ void GetStorage(const std::string& extension_id, Callback* callback); |
+ |
+ // Gets a storage area for a given extension with a specific type. |
+ // and whether it should be wrapped in a cache. |
+ // Use this for testing; if the given type fails to be created (e.g. if |
+ // leveldb creation fails) then a DCHECK will fail. |
+ // Callback objects will be deleted when used. |
+ void GetStorageForTesting( |
+ ExtensionSettingsStorage::Type type, |
+ bool cached, |
+ const std::string& extension_id, |
+ Callback* callback); |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(ExtensionSettings); |
Matt Perry
2011/06/23 18:11:45
this should be the very last thing in the class
not at google - send to devlin
2011/06/27 08:51:02
Done.
|
+ |
+ // Attempts to get and callback with an existing storage area. Returns |
+ // whether storage existed and the callback run. |
+ bool GetExistingStorage(const std::string& extension_id, Callback* callback); |
+ |
+ const FilePath base_path_; |
+ std::map<std::string, ExtensionSettingsStorage*> storage_objs_; |
Matt Perry
2011/06/23 18:11:45
please document these member vars
not at google - send to devlin
2011/06/27 08:51:02
Done.
|
+}; |
+ |
+#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SETTINGS_H_ |