d188aaf288
Stealing the callbacks from the AnimationFrameCallbackDriver made them no longer safe from GC. Continue to store them on the class until we have finished their execution.
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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