| // Copyright 2015 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_DOM_LOCAL_STORAGE_DATABASE_H_ |
| #define COBALT_DOM_LOCAL_STORAGE_DATABASE_H_ |
| |
| #include <string> |
| |
| #include "base/callback.h" |
| #include "cobalt/dom/storage_area.h" |
| #include "cobalt/loader/origin.h" |
| |
| namespace cobalt { |
| namespace storage { |
| class StorageManager; |
| } |
| |
| namespace dom { |
| |
| // Interacts with the StorageManager to read and write from the LocalStorage. |
| class LocalStorageDatabase { |
| public: |
| typedef base::Callback<void(scoped_ptr<StorageArea::StorageMap>)> |
| ReadCompletionCallback; |
| |
| explicit LocalStorageDatabase(storage::StorageManager* storage); |
| |
| // Load the LocalStorage from the Storage Manager, and extract |
| // all key/values for the given origin. Calls callback and transfers ownership |
| // of the hash map. |
| void ReadAll(const loader::Origin& origin, |
| const ReadCompletionCallback& callback); |
| |
| void Write(const loader::Origin& origin, const std::string& key, |
| const std::string& value); |
| void Delete(const loader::Origin& origin, const std::string& key); |
| void Clear(const loader::Origin& origin); |
| void Flush(const base::Closure& callback); |
| |
| private: |
| void Init(); |
| |
| storage::StorageManager* storage_; |
| bool initialized_; |
| }; |
| } // namespace dom |
| } // namespace cobalt |
| |
| #endif // COBALT_DOM_LOCAL_STORAGE_DATABASE_H_ |