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		727a9a6472
		
	
	
	
	
		
			
			Note that the timeline time changes every animation frame when the Document sends out animation events
		
			
				
	
	
		
			44 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			44 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023, Matthew Olsson <mattco@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 <LibWeb/Animations/AnimationTimeline.h>
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| #include <LibWeb/HighResolutionTime/DOMHighResTimeStamp.h>
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| #include <LibWeb/WebIDL/ExceptionOr.h>
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| 
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| namespace Web::Animations {
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| 
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| // https://www.w3.org/TR/web-animations-1/#dictdef-documenttimelineoptions
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| struct DocumentTimelineOptions {
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|     HighResolutionTime::DOMHighResTimeStamp origin_time { 0.0 };
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| };
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| 
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| // https://www.w3.org/TR/web-animations-1/#the-documenttimeline-interface
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| class DocumentTimeline : public AnimationTimeline {
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|     WEB_PLATFORM_OBJECT(DocumentTimeline, AnimationTimeline);
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|     JS_DECLARE_ALLOCATOR(DocumentTimeline);
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| 
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| public:
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|     static JS::NonnullGCPtr<DocumentTimeline> create(JS::Realm&, DOM::Document&, HighResolutionTime::DOMHighResTimeStamp origin_time);
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|     static WebIDL::ExceptionOr<JS::NonnullGCPtr<DocumentTimeline>> construct_impl(JS::Realm&, DocumentTimelineOptions options = {});
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| 
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|     virtual void set_current_time(Optional<double> current_time) override;
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|     virtual bool is_inactive() const override;
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| 
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|     virtual Optional<double> convert_a_timeline_time_to_an_origin_relative_time(Optional<double>) override;
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|     virtual bool can_convert_a_timeline_time_to_an_origin_relative_time() const override { return true; }
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| 
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| private:
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|     DocumentTimeline(JS::Realm&, DOM::Document&, HighResolutionTime::DOMHighResTimeStamp origin_time);
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|     virtual ~DocumentTimeline() override = default;
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| 
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|     virtual void initialize(JS::Realm&) override;
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| 
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|     HighResolutionTime::DOMHighResTimeStamp m_origin_time;
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| };
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| 
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| }
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