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			71 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			71 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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| 
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| #pragma once
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| 
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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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| 
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| namespace Web::HTML {
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| 
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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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| 
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|         [[nodiscard]] bool operator==(Key const& other) const;
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|         [[nodiscard]] u32 hash() const;
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| 
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|     private:
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|         mutable Optional<u32> cached_hash;
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|     };
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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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| 
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|         bool ignore_higher_layer_caching { false };
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|         NonnullRefPtr<DecodedImageData> image_data;
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| 
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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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| 
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|     ListOfAvailableImages();
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|     ~ListOfAvailableImages();
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| 
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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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| 
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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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| }
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| 
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| namespace AK {
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| 
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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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| }
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