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f53559cb55
In upcoming changes StorageBottle will own pointers to GC-allocated objects, so it needs to be a GC-allocated object itself to avoid introducing more GC roots.
47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
/*
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* Copyright (c) 2024-2025, Shannon Booth <shannon@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGC/Heap.h>
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#include <LibWeb/HTML/Scripting/Environments.h>
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#include <LibWeb/StorageAPI/StorageShed.h>
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namespace Web::StorageAPI {
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GC_DEFINE_ALLOCATOR(StorageShed);
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void StorageShed::visit_edges(GC::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_data);
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}
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// https://storage.spec.whatwg.org/#obtain-a-storage-shelf
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GC::Ptr<StorageShelf> StorageShed::obtain_a_storage_shelf(HTML::EnvironmentSettingsObject const& environment, StorageType type)
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{
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// 1. Let key be the result of running obtain a storage key with environment.
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auto key = obtain_a_storage_key(environment);
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// 2. If key is failure, then return failure.
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if (!key.has_value())
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return {};
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// 3. If shed[key] does not exist, then set shed[key] to the result of running create a storage shelf with type.
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// 4. Return shed[key].
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return m_data.ensure(key.value(), [type, &heap = this->heap()] {
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return StorageShelf::create(heap, type);
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});
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}
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// https://storage.spec.whatwg.org/#user-agent-storage-shed
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GC::Ref<StorageShed> user_agent_storage_shed(GC::Heap& heap)
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{
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// A user agent holds a storage shed, which is a storage shed. A user agent’s storage shed holds all local storage data.
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// FIXME: Storing this statically in memory is not the correct place or way of doing this!
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static GC::Root<StorageShed> storage_shed = GC::make_root(StorageShed::create(heap));
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return *storage_shed;
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}
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}
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