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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_EXTENSIONS_SETTINGS_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ | |
| 6 #define CHROME_BROWSER_EXTENSIONS_SETTINGS_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ | |
| 7 | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "chrome/browser/value_store/value_store.h" | |
| 10 | |
| 11 namespace extensions { | |
| 12 | |
| 13 // A ValueStore decorator which makes calls through |Set| ignore quota. | |
| 14 // "Weak" because ownership of the delegate isn't taken; this is designed to be | |
| 15 // temporarily attached to storage areas. | |
| 16 class WeakUnlimitedSettingsStorage : public ValueStore { | |
| 17 public: | |
| 18 // Ownership of |delegate| NOT taken. | |
| 19 explicit WeakUnlimitedSettingsStorage(ValueStore* delegate); | |
| 20 | |
| 21 virtual ~WeakUnlimitedSettingsStorage(); | |
| 22 | |
| 23 // ValueStore implementation. | |
| 24 virtual size_t GetBytesInUse(const std::string& key) OVERRIDE; | |
| 25 virtual size_t GetBytesInUse(const std::vector<std::string>& keys) OVERRIDE; | |
| 26 virtual size_t GetBytesInUse() OVERRIDE; | |
| 27 virtual ReadResult Get(const std::string& key) OVERRIDE; | |
| 28 virtual ReadResult Get(const std::vector<std::string>& keys) OVERRIDE; | |
| 29 virtual ReadResult Get() OVERRIDE; | |
| 30 virtual WriteResult Set( | |
| 31 WriteOptions options, | |
| 32 const std::string& key, | |
| 33 const Value& value) OVERRIDE; | |
| 34 virtual WriteResult Set( | |
| 35 WriteOptions options, const DictionaryValue& values) OVERRIDE; | |
| 36 virtual WriteResult Remove(const std::string& key) OVERRIDE; | |
| 37 virtual WriteResult Remove(const std::vector<std::string>& keys) OVERRIDE; | |
| 38 virtual WriteResult Clear() OVERRIDE; | |
| 39 | |
| 40 private: | |
| 41 // The delegate storage area, NOT OWNED. | |
| 42 ValueStore* const delegate_; | |
| 43 | |
| 44 DISALLOW_COPY_AND_ASSIGN(WeakUnlimitedSettingsStorage); | |
| 45 }; | |
| 46 | |
| 47 } // namespace extensions | |
| 48 | |
| 49 #endif // CHROME_BROWSER_EXTENSIONS_SETTINGS_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ | |
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