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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
#ifndef mozilla_dom_SessionStorageCache_h
#define mozilla_dom_SessionStorageCache_h
#include "nsDataHashtable.h"
namespace mozilla {
namespace dom {
class KeyValuePair;
class SessionStorageCache final {
enum DataSetType {
int64_t GetOriginQuotaUsage(DataSetType aDataSetType);
uint32_t Length(DataSetType aDataSetType);
void Key(DataSetType aDataSetType, uint32_t aIndex, nsAString& aResult);
void GetItem(DataSetType aDataSetType, const nsAString& aKey,
nsAString& aResult);
void GetKeys(DataSetType aDataSetType, nsTArray<nsString>& aKeys);
nsresult SetItem(DataSetType aDataSetType, const nsAString& aKey,
const nsAString& aValue, nsString& aOldValue);
nsresult RemoveItem(DataSetType aDataSetType, const nsAString& aKey,
nsString& aOldValue);
void Clear(DataSetType aDataSetType, bool aByUserInteraction = true);
already_AddRefed<SessionStorageCache> Clone() const;
nsTArray<KeyValuePair> SerializeData(DataSetType aDataSetType);
void DeserializeData(DataSetType aDataSetType,
const nsTArray<KeyValuePair>& aData);
~SessionStorageCache() = default;
struct DataSet {
DataSet() : mOriginQuotaUsage(0) {}
bool ProcessUsageDelta(int64_t aDelta);
int64_t mOriginQuotaUsage;
nsDataHashtable<nsStringHashKey, nsString> mKeys;
DataSet* Set(DataSetType aDataSetType);
DataSet mDefaultSet;
DataSet mSessionSet;
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SessionStorageCache_h