gecko-dev/dom/storage/LocalStorage.h

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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 http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_LocalStorage_h
#define mozilla_dom_LocalStorage_h
#include "Storage.h"
#include "nsWeakReference.h"
namespace mozilla {
namespace dom {
class LocalStorageCache;
class LocalStorageManager;
class StorageEvent;
class LocalStorage final : public Storage
, public nsSupportsWeakReference
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(LocalStorage, Storage)
StorageType Type() const override { return eLocalStorage; }
LocalStorageManager* GetManager() const
{
return mManager;
}
LocalStorageCache const* GetCache() const
{
return mCache;
}
const nsString&
DocumentURI() const
{
return mDocumentURI;
}
bool PrincipalEquals(nsIPrincipal* aPrincipal);
LocalStorage(nsPIDOMWindowInner* aWindow,
LocalStorageManager* aManager,
LocalStorageCache* aCache,
const nsAString& aDocumentURI,
nsIPrincipal* aPrincipal,
bool aIsPrivate);
bool IsForkOf(const Storage* aOther) const override;
// WebIDL
int64_t GetOriginQuotaUsage() const override;
uint32_t GetLength(nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
void Key(uint32_t aIndex, nsAString& aResult,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
void GetItem(const nsAString& aKey, nsAString& aResult,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
void GetSupportedNames(nsTArray<nsString>& aKeys) override;
void SetItem(const nsAString& aKey, const nsAString& aValue,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
void RemoveItem(const nsAString& aKey,
nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
void Clear(nsIPrincipal& aSubjectPrincipal,
ErrorResult& aRv) override;
bool IsPrivate() const { return mIsPrivate; }
void
ApplyEvent(StorageEvent* aStorageEvent);
private:
~LocalStorage();
friend class LocalStorageManager;
friend class LocalStorageCache;
RefPtr<LocalStorageManager> mManager;
RefPtr<LocalStorageCache> mCache;
nsString mDocumentURI;
// Principal this Storage (i.e. localStorage or sessionStorage) has
// been created for
nsCOMPtr<nsIPrincipal> mPrincipal;
// Whether this storage is running in private-browsing window.
bool mIsPrivate : 1;
void OnChange(const nsAString& aKey,
const nsAString& aOldValue,
const nsAString& aNewValue);
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_LocalStorage_h