| // Copyright 2014 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 BASE_PREFS_WRITEABLE_PREF_STORE_H_ |
| #define BASE_PREFS_WRITEABLE_PREF_STORE_H_ |
| |
| #include <string> |
| |
| #include "base/basictypes.h" |
| #include "base/prefs/pref_store.h" |
| |
| namespace base { |
| class Value; |
| } |
| |
| // A pref store that can be written to as well as read from. |
| class BASE_PREFS_EXPORT WriteablePrefStore : public PrefStore { |
| public: |
| WriteablePrefStore() {} |
| |
| // Sets a |value| for |key| in the store. Assumes ownership of |value|, which |
| // must be non-NULL. |
| virtual void SetValue(const std::string& key, base::Value* value) = 0; |
| |
| // Removes the value for |key|. |
| virtual void RemoveValue(const std::string& key) = 0; |
| |
| protected: |
| virtual ~WriteablePrefStore() {} |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(WriteablePrefStore); |
| }; |
| |
| #endif // BASE_PREFS_WRITEABLE_PREF_STORE_H_ |