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https://github.com/LadybirdBrowser/ladybird.git
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c0d7f748ed
This commit introduces a WEB_SET_PROTOTYPE_FOR_INTERFACE macro that caches the interface name in a local static FlyString. This means that we only pay for FlyString-from-literal lookup once per browser lifetime instead of every time the interface is instantiated.
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
/*
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* Copyright (c) 2021-2022, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/MessageChannel.h>
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#include <LibWeb/HTML/MessagePort.h>
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namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(MessageChannel);
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WebIDL::ExceptionOr<JS::NonnullGCPtr<MessageChannel>> MessageChannel::construct_impl(JS::Realm& realm)
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{
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return realm.heap().allocate<MessageChannel>(realm, realm);
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}
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MessageChannel::MessageChannel(JS::Realm& realm)
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: PlatformObject(realm)
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{
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// 1. Set this's port 1 to a new MessagePort in this's relevant Realm.
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m_port1 = MessagePort::create(realm);
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// 2. Set this's port 2 to a new MessagePort in this's relevant Realm.
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m_port2 = MessagePort::create(realm);
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// 3. Entangle this's port 1 and this's port 2.
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m_port1->entangle_with(*m_port2);
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}
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MessageChannel::~MessageChannel() = default;
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void MessageChannel::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_port1);
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visitor.visit(m_port2);
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}
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void MessageChannel::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(MessageChannel);
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}
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MessagePort* MessageChannel::port1()
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{
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return m_port1;
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}
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MessagePort* MessageChannel::port2()
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{
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return m_port2;
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}
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MessagePort const* MessageChannel::port1() const
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{
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return m_port1;
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}
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MessagePort const* MessageChannel::port2() const
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{
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return m_port2;
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}
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}
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