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72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/*
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/HashMap.h>
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#include <AK/URL.h>
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#include <LibJS/Heap/Cell.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/CORSSettingAttribute.h>
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#include <LibWeb/HTML/Origin.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/images.html#list-of-available-images
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class ListOfAvailableImages {
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public:
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struct Key {
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AK::URL url;
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HTML::CORSSettingAttribute mode;
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Optional<HTML::Origin> origin;
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[[nodiscard]] bool operator==(Key const& other) const;
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[[nodiscard]] u32 hash() const;
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private:
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mutable Optional<u32> cached_hash;
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};
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struct Entry final : public RefCounted<Entry> {
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static ErrorOr<NonnullRefPtr<Entry>> create(NonnullRefPtr<DecodedImageData>, bool ignore_higher_layer_caching);
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~Entry();
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bool ignore_higher_layer_caching { false };
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NonnullRefPtr<DecodedImageData> image_data;
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private:
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Entry(NonnullRefPtr<DecodedImageData>, bool ignore_higher_layer_caching);
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};
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ListOfAvailableImages();
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~ListOfAvailableImages();
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ErrorOr<void> add(Key const&, NonnullRefPtr<DecodedImageData>, bool ignore_higher_layer_caching);
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void remove(Key const&);
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[[nodiscard]] RefPtr<Entry> get(Key const&) const;
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private:
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HashMap<Key, NonnullRefPtr<Entry>> m_images;
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};
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}
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namespace AK {
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template<>
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struct Traits<Web::HTML::ListOfAvailableImages::Key> : public GenericTraits<Web::HTML::ListOfAvailableImages::Key> {
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static unsigned hash(Web::HTML::ListOfAvailableImages::Key const& key)
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{
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return key.hash();
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}
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static bool equals(Web::HTML::ListOfAvailableImages::Key const& a, Web::HTML::ListOfAvailableImages::Key const& b)
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{
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return a == b;
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}
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};
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}
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