40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
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* Copyright (c) 2022, the SerenityOS developers.
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* Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.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 <LibJS/Heap/GCPtr.h>
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#include <LibJS/Heap/HeapFunction.h>
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#include <LibWeb/WebIDL/Types.h>
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namespace Web::HTML {
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class AnimationFrameCallbackDriver final : public JS::Cell {
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JS_CELL(AnimationFrameCallbackDriver, JS::Cell);
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JS_DECLARE_ALLOCATOR(AnimationFrameCallbackDriver);
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using Callback = JS::NonnullGCPtr<JS::HeapFunction<void(double)>>;
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public:
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[[nodiscard]] WebIDL::UnsignedLong add(Callback handler);
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bool remove(WebIDL::UnsignedLong);
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bool has_callbacks() const;
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void run(double now);
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private:
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virtual void visit_edges(Cell::Visitor&) override;
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// https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#animation-frame-callback-identifier
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WebIDL::UnsignedLong m_animation_frame_callback_identifier { 0 };
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OrderedHashMap<WebIDL::UnsignedLong, Callback> m_callbacks;
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OrderedHashMap<WebIDL::UnsignedLong, Callback> m_executing_callbacks;
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};
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}
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