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LibWeb: Correctly initialize Storage objects on the Document

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Instead of storing all storage objects in static memory, we now
follow the the spec by lazily creating a unique Storage object
on each document object.

Each Storage object now holds a 'proxy' to the underlying backing
storage. For now, this proxy is simply a reference to the backing
object. In the future, it will need to be some type of interface
object that stores on a SQLite database or similar.

Session storage is now correctly stored / tracked as part of the
TraversableNavigable object.

Local storage is still stored in a static map, but eventually this
should be factored into something that is stored at the user agent
level.
This commit is contained in:
Shannon Booth 2024-12-26 11:56:03 +13:00 • committed by Andreas Kling
commit 2066ed2318
Notes: github-actions[bot] 2025-01-02 10:39:14 +00:00
20 changed files with 503 additions and 44 deletions
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38
Libraries/LibWeb/StorageAPI/StorageEndpoint.h Normal file
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/*
* Copyright (c) 2024-2025, Shannon Booth <shannon@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Array.h>
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/Types.h>
#include <LibWeb/StorageAPI/StorageType.h>
namespace Web::StorageAPI {
// https://storage.spec.whatwg.org/#storage-endpoint
//
// A storage endpoint is a local or session storage API that uses the infrastructure defined by this
// standard, most notably storage bottles, to keep track of its storage needs.
struct StorageEndpoint {
// https://storage.spec.whatwg.org/#storage-endpoint-identifier
// A storage endpoint has an identifier, which is a storage identifier.
String identifier;
// https://storage.spec.whatwg.org/#storage-endpoint-types
// A storage endpoint also has types, which is a set of storage types.
// NOTE: We do not implement this as a set as it is not neccessary in the current implementation.
StorageType type;
// https://storage.spec.whatwg.org/#storage-endpoint-quota
// A storage endpoint also has a quota, which is null or a number representing a recommended quota (in bytes) for each storage bottle corresponding to this storage endpoint.
Optional<u64> quota;
static ReadonlySpan<StorageEndpoint> registered_endpoints();
};
}