1 // Copyright 2017 The Chromium Embedded Framework Authors. 2 // Portions copyright 2014 The Chromium Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 6 #ifndef CEF_LIBCEF_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_ 7 #define CEF_LIBCEF_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_ 8 9 #include <memory> 10 11 #include "base/compiler_specific.h" 12 #include "base/memory/ref_counted.h" 13 #include "extensions/browser/api/storage/settings_storage_quota_enforcer.h" 14 #include "extensions/browser/api/storage/value_store_cache.h" 15 16 namespace value_store { 17 class ValueStoreFactory; 18 } 19 20 namespace extensions { 21 namespace cef { 22 23 // Based on LocalValueStoreCache 24 // ValueStoreCache for the SYNC namespace. It owns a backend for apps and 25 // another for extensions. Each backend takes care of persistence. 26 class SyncValueStoreCache : public ValueStoreCache { 27 public: 28 explicit SyncValueStoreCache( 29 scoped_refptr<value_store::ValueStoreFactory> factory); 30 31 SyncValueStoreCache(const SyncValueStoreCache&) = delete; 32 SyncValueStoreCache& operator=(const SyncValueStoreCache&) = delete; 33 34 ~SyncValueStoreCache() override; 35 36 // ValueStoreCache implementation: 37 void RunWithValueStoreForExtension( 38 StorageCallback callback, 39 scoped_refptr<const Extension> extension) override; 40 void DeleteStorageSoon(const std::string& extension_id) override; 41 42 private: 43 using StorageMap = 44 std::map<std::string, std::unique_ptr<value_store::ValueStore>>; 45 46 value_store::ValueStore* GetStorage(const Extension* extension); 47 48 // The Factory to use for creating new ValueStores. 49 const scoped_refptr<value_store::ValueStoreFactory> storage_factory_; 50 51 // Quota limits (see SettingsStorageQuotaEnforcer). 52 const SettingsStorageQuotaEnforcer::Limits quota_; 53 54 // The collection of ValueStores for local storage. 55 StorageMap storage_map_; 56 }; 57 58 } // namespace cef 59 } // namespace extensions 60 61 #endif // CEF_LIBCEF_BROWSER_EXTENSIONS_API_STORAGE_SYNC_VALUE_STORE_CACHE_H_ 62