1 // Copyright 2013 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 CONTENT_COMMON_DOM_STORAGE_DOM_STORAGE_TYPES_H_ 6 #define CONTENT_COMMON_DOM_STORAGE_DOM_STORAGE_TYPES_H_ 7 8 #include <map> 9 10 #include "base/basictypes.h" 11 #include "base/strings/nullable_string16.h" 12 #include "base/strings/string16.h" 13 #include "base/time/time.h" 14 #include "url/gurl.h" 15 16 namespace content { 17 18 typedef std::map<base::string16, base::NullableString16> DOMStorageValuesMap; 19 20 // The quota for each storage area. 21 // This value is enforced in renderer processes and the browser process. 22 const size_t kPerStorageAreaQuota = 10 * 1024 * 1024; 23 24 // In the browser process we allow some overage to 25 // accomodate concurrent writes from different renderers 26 // that were allowed because the limit imposed in the renderer 27 // wasn't exceeded. 28 const size_t kPerStorageAreaOverQuotaAllowance = 100 * 1024; 29 30 // Value to indicate the localstorage namespace vs non-zero 31 // values for sessionstorage namespaces. 32 const int64 kLocalStorageNamespaceId = 0; 33 34 const int64 kInvalidSessionStorageNamespaceId = kLocalStorageNamespaceId; 35 36 // Start purging memory if the number of in-memory areas exceeds this. 37 const int64 kMaxInMemoryStorageAreas = 100; 38 39 } // namespace content 40 41 #endif // CONTENT_COMMON_DOM_STORAGE_DOM_STORAGE_TYPES_H_ 42
