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			45 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			45 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021-2022, Linus Groh <linusg@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/Forward.h>
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| #include <LibWeb/CSS/MediaQuery.h>
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| #include <LibWeb/DOM/EventTarget.h>
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| 
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| namespace Web::CSS {
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| 
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| // 4.2. The MediaQueryList Interface, https://drafts.csswg.org/cssom-view/#the-mediaquerylist-interface
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| class MediaQueryList final : public DOM::EventTarget {
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|     WEB_PLATFORM_OBJECT(MediaQueryList, DOM::EventTarget);
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|     JS_DECLARE_ALLOCATOR(MediaQueryList);
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| 
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| public:
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|     [[nodiscard]] static JS::NonnullGCPtr<MediaQueryList> create(DOM::Document&, Vector<NonnullRefPtr<MediaQuery>>&&);
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| 
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|     virtual ~MediaQueryList() override = default;
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| 
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|     String media() const;
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|     bool matches() const;
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|     bool evaluate();
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| 
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|     void add_listener(DOM::IDLEventListener*);
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|     void remove_listener(DOM::IDLEventListener*);
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| 
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|     void set_onchange(WebIDL::CallbackType*);
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|     WebIDL::CallbackType* onchange();
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| 
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| private:
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|     MediaQueryList(DOM::Document&, Vector<NonnullRefPtr<MediaQuery>>&&);
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| 
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|     virtual void initialize(JS::Realm&) override;
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|     virtual void visit_edges(Cell::Visitor&) override;
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| 
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|     JS::NonnullGCPtr<DOM::Document> m_document;
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|     Vector<NonnullRefPtr<MediaQuery>> m_media;
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| };
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| 
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| }
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