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https://github.com/RGBCube/serenity
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LibWeb+LibJS: Make the EventTarget hierarchy (incl. DOM) GC-allocated
This is a monster patch that turns all EventTargets into GC-allocated PlatformObjects. Their C++ wrapper classes are removed, and the LibJS garbage collector is now responsible for their lifetimes. There's a fair amount of hacks and band-aids in this patch, and we'll have a lot of cleanup to do after this.
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445 changed files with 4797 additions and 4268 deletions
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@ -4,7 +4,7 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/PerformanceWrapper.h>
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#include <LibWeb/Bindings/PerformancePrototype.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/DOM/EventDispatcher.h>
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namespace Web::HighResolutionTime {
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Performance::Performance(HTML::Window& window)
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: DOM::EventTarget()
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: DOM::EventTarget(window.realm())
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, m_window(window)
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, m_timing(make<NavigationTiming::PerformanceTiming>(window))
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{
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set_prototype(&window.ensure_web_prototype<Bindings::PerformancePrototype>("Performance"));
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m_timer.start();
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}
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Performance::~Performance() = default;
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void Performance::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_window.ptr());
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}
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double Performance::time_origin() const
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{
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auto origin = m_timer.origin_time();
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return (origin.tv_sec * 1000.0) + (origin.tv_usec / 1000.0);
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}
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void Performance::ref_event_target()
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{
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m_window.ref();
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}
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void Performance::unref_event_target()
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{
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m_window.unref();
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}
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JS::Object* Performance::create_wrapper(JS::Realm& realm)
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{
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return Bindings::wrap(realm, *this);
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}
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}
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@ -14,31 +14,29 @@
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namespace Web::HighResolutionTime {
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class Performance final
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: public DOM::EventTarget
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::PerformanceWrapper;
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using AllowOwnPtr = TrueType;
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class Performance final : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(Performance, DOM::EventTarget);
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explicit Performance(HTML::Window&);
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~Performance();
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public:
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virtual ~Performance() override;
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double now() const { return m_timer.elapsed(); }
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double time_origin() const;
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RefPtr<NavigationTiming::PerformanceTiming> timing() { return *m_timing; }
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virtual void ref_event_target() override;
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virtual void unref_event_target() override;
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virtual JS::Object* create_wrapper(JS::Realm&) override;
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JS::GCPtr<NavigationTiming::PerformanceTiming> timing() { return *m_timing; }
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private:
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HTML::Window& m_window;
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explicit Performance(HTML::Window&);
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virtual void visit_edges(Cell::Visitor&) override;
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JS::NonnullGCPtr<HTML::Window> m_window;
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Core::ElapsedTimer m_timer;
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OwnPtr<NavigationTiming::PerformanceTiming> m_timing;
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};
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}
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WRAPPER_HACK(Performance, Web::HighResolutionTime)
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