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105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/Array.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/Bindings/MessageEventPrototype.h>
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#include <LibWeb/HTML/MessageEvent.h>
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#include <LibWeb/HTML/MessagePort.h>
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namespace Web::HTML {
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JS_DEFINE_ALLOCATOR(MessageEvent);
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JS::NonnullGCPtr<MessageEvent> MessageEvent::create(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
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{
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return realm.heap().allocate<MessageEvent>(realm, realm, event_name, event_init);
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}
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WebIDL::ExceptionOr<JS::NonnullGCPtr<MessageEvent>> MessageEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
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{
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return create(realm, event_name, event_init);
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}
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MessageEvent::MessageEvent(JS::Realm& realm, FlyString const& event_name, MessageEventInit const& event_init)
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: DOM::Event(realm, event_name, event_init)
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, m_data(event_init.data)
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, m_origin(event_init.origin)
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, m_last_event_id(event_init.last_event_id)
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, m_source(event_init.source)
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{
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m_ports.ensure_capacity(event_init.ports.size());
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for (auto const& port : event_init.ports) {
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VERIFY(port);
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m_ports.unchecked_append(static_cast<JS::Object&>(*port));
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}
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}
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MessageEvent::~MessageEvent() = default;
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void MessageEvent::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(MessageEvent);
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}
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void MessageEvent::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_data);
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visitor.visit(m_ports_array);
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visitor.visit(m_ports);
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}
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Variant<JS::Handle<WindowProxy>, JS::Handle<MessagePort>, Empty> MessageEvent::source() const
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{
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if (!m_source.has_value())
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return Empty {};
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return m_source.value().downcast<JS::Handle<WindowProxy>, JS::Handle<MessagePort>>();
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}
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JS::NonnullGCPtr<JS::Object> MessageEvent::ports() const
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{
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if (!m_ports_array) {
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Vector<JS::Value> port_vector;
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for (auto const& port : m_ports) {
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port_vector.append(port);
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}
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m_ports_array = JS::Array::create_from(realm(), port_vector);
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MUST(m_ports_array->set_integrity_level(IntegrityLevel::Frozen));
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}
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return *m_ports_array;
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}
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// https://html.spec.whatwg.org/multipage/comms.html#dom-messageevent-initmessageevent
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void MessageEvent::init_message_event(String const& type, bool bubbles, bool cancelable, JS::Value data, String const& origin, String const& last_event_id, Optional<MessageEventSource> source, Vector<JS::Handle<MessagePort>> const& ports)
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{
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// The initMessageEvent(type, bubbles, cancelable, data, origin, lastEventId, source, ports) method must initialize the event in a
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// manner analogous to the similarly-named initEvent() method.
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// 1. If this’s dispatch flag is set, then return.
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if (dispatched())
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return;
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// 2. Initialize this with type, bubbles, and cancelable.
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initialize_event(type, bubbles, cancelable);
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// Implementation Defined: Initialise other values.
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m_data = data;
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m_origin = origin;
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m_last_event_id = last_event_id;
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m_source = source;
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m_ports.clear();
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m_ports.ensure_capacity(ports.size());
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for (auto const& port : ports) {
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VERIFY(port);
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m_ports.unchecked_append(static_cast<JS::Object&>(*port));
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}
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}
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}
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