15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 52a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ 62a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/value_store/value_store.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace extensions { 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// A ValueStore decorator which makes calls through |Set| ignore quota. 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// "Weak" because ownership of the delegate isn't taken; this is designed to be 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// temporarily attached to storage areas. 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WeakUnlimitedSettingsStorage : public ValueStore { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Ownership of |delegate| NOT taken. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit WeakUnlimitedSettingsStorage(ValueStore* delegate); 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~WeakUnlimitedSettingsStorage(); 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // ValueStore implementation. 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t GetBytesInUse(const std::string& key) OVERRIDE; 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t GetBytesInUse(const std::vector<std::string>& keys) OVERRIDE; 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual size_t GetBytesInUse() OVERRIDE; 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ReadResult Get(const std::string& key) OVERRIDE; 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ReadResult Get(const std::vector<std::string>& keys) OVERRIDE; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ReadResult Get() OVERRIDE; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual WriteResult Set( 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WriteOptions options, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const std::string& key, 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const Value& value) OVERRIDE; 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual WriteResult Set( 35eb525c5499e34cc9c4b825d6d9e75bb07cc06aceBen Murdoch WriteOptions options, const base::DictionaryValue& values) OVERRIDE; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual WriteResult Remove(const std::string& key) OVERRIDE; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual WriteResult Remove(const std::vector<std::string>& keys) OVERRIDE; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual WriteResult Clear() OVERRIDE; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The delegate storage area, NOT OWNED. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) ValueStore* const delegate_; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(WeakUnlimitedSettingsStorage); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace extensions 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles)#endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_WEAK_UNLIMITED_SETTINGS_STORAGE_H_ 50