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.
49 lines
1.2 KiB
C++
49 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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#include <AK/ScopeGuard.h>
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#include <LibWeb/HTML/AnimationFrameCallbackDriver.h>
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namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(AnimationFrameCallbackDriver);
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void AnimationFrameCallbackDriver::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_callbacks);
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visitor.visit(m_executing_callbacks);
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}
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WebIDL::UnsignedLong AnimationFrameCallbackDriver::add(Callback handler)
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{
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auto id = ++m_animation_frame_callback_identifier;
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m_callbacks.set(id, handler);
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return id;
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}
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bool AnimationFrameCallbackDriver::remove(WebIDL::UnsignedLong id)
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{
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return m_callbacks.remove(id);
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}
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bool AnimationFrameCallbackDriver::has_callbacks() const
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{
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return !m_callbacks.is_empty();
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}
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void AnimationFrameCallbackDriver::run(double now)
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{
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AK::ScopeGuard guard { [&]() { m_executing_callbacks.clear(); } };
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m_executing_callbacks = move(m_callbacks);
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for (auto& [id, callback] : m_executing_callbacks)
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callback->function()(now);
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}
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}
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