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73 lines
2.8 KiB
C++
73 lines
2.8 KiB
C++
/*
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* Copyright (c) 2021, Dex♪ <dexes.ttp@gmail.com>
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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* Copyright (c) 2026, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/Export.h>
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namespace Web::HTML {
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// FIXME: Include ServiceWorker
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// https://html.spec.whatwg.org/multipage/comms.html#messageeventsource
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using MessageEventSource = Variant<GC::Root<WindowProxy>, GC::Root<MessagePort>>;
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using NullableMessageEventSource = Variant<GC::Root<WindowProxy>, GC::Root<MessagePort>, Empty>;
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// https://html.spec.whatwg.org/multipage/comms.html#messageeventinit
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struct MessageEventInit : public DOM::EventInit {
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JS::Value data { JS::js_null() };
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Variant<URL::Origin, String, Empty> origin {};
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String last_event_id {};
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NullableMessageEventSource source { Empty {} };
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Vector<GC::Root<MessagePort>> ports;
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};
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// https://html.spec.whatwg.org/multipage/comms.html#messageevent
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class WEB_API MessageEvent : public DOM::Event {
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WEB_PLATFORM_OBJECT(MessageEvent, DOM::Event);
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GC_DECLARE_ALLOCATOR(MessageEvent);
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public:
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[[nodiscard]] static GC::Ref<MessageEvent> create(JS::Realm&, FlyString const& event_name, MessageEventInit const& = {});
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static WebIDL::ExceptionOr<GC::Ref<MessageEvent>> construct_impl(JS::Realm&, FlyString const& event_name, MessageEventInit const&);
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MessageEvent(JS::Realm&, FlyString const& event_name, MessageEventInit const& event_init);
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virtual ~MessageEvent() override;
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JS::Value data() const { return m_data; }
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String origin() const;
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String const& last_event_id() const { return m_last_event_id; }
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GC::Ref<JS::Object> ports() const;
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NullableMessageEventSource source() const;
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virtual Optional<URL::Origin> extract_an_origin() const override;
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void init_message_event(String const& type, bool bubbles, bool cancelable, JS::Value data, String const& origin, String const& last_event_id, NullableMessageEventSource source, Vector<GC::Root<MessagePort>> const& ports);
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private:
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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using MessageEventSourceInternal = Variant<Empty, GC::Ref<WindowProxy>, GC::Ref<MessagePort>>;
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static MessageEventSourceInternal to_message_event_source_internal(NullableMessageEventSource const&);
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JS::Value m_data;
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// https://html.spec.whatwg.org/multipage/comms.html#concept-messageevent-origin
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// Each MessageEvent has an origin (an origin, a string, or null), initially null.
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Variant<URL::Origin, String, Empty> m_origin;
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String m_last_event_id;
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MessageEventSourceInternal m_source;
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Vector<GC::Ref<JS::Object>> m_ports;
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mutable GC::Ptr<JS::Array> m_ports_array;
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};
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}
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