LibWeb: Allocate AnimationFrameCallbackDriver on the JS heap

This avoids needing to creating root handles for each heap-allocated
object captured in the animation callback. An upcoming commit would add
several of these.
This commit is contained in:
Timothy Flynn 2024-10-30 20:13:31 -04:00 committed by Tim Ledbetter
commit d9e5ae66a7
Notes: github-actions[bot] 2024-10-31 02:40:42 +00:00
7 changed files with 88 additions and 44 deletions

View file

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/*
* Copyright (c) 2022, the SerenityOS developers.
* Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/HTML/AnimationFrameCallbackDriver.h>
namespace Web::HTML {
JS_DEFINE_ALLOCATOR(AnimationFrameCallbackDriver);
void AnimationFrameCallbackDriver::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_callbacks);
}
WebIDL::UnsignedLong AnimationFrameCallbackDriver::add(Callback handler)
{
auto id = ++m_animation_frame_callback_identifier;
m_callbacks.set(id, handler);
return id;
}
bool AnimationFrameCallbackDriver::remove(WebIDL::UnsignedLong id)
{
return m_callbacks.remove(id);
}
bool AnimationFrameCallbackDriver::has_callbacks() const
{
return !m_callbacks.is_empty();
}
void AnimationFrameCallbackDriver::run(double now)
{
auto taken_callbacks = move(m_callbacks);
for (auto& [id, callback] : taken_callbacks)
callback->function()(now);
}
}