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101 lines
3 KiB
C++
101 lines
3 KiB
C++
/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.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/String.h>
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#include <AK/StringBuilder.h>
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#include <AK/StringView.h>
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#include <AK/Time.h>
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#include <LibGC/Ptr.h>
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#include <LibJS/Forward.h>
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#include <LibURL/URL.h>
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#include <LibWeb/DOM/EventTarget.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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#include <LibWeb/WebIDL/Types.h>
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namespace Web::HTML {
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struct EventSourceInit {
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bool with_credentials { false };
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};
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class EventSource : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(EventSource, DOM::EventTarget);
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GC_DECLARE_ALLOCATOR(EventSource);
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public:
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virtual ~EventSource() override;
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static WebIDL::ExceptionOr<GC::Ref<EventSource>> construct_impl(JS::Realm&, StringView url, EventSourceInit event_source_init_dict = {});
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#dom-eventsource-url
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String url() const { return m_url.serialize(); }
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#dom-eventsource-withcredentials
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bool with_credentials() const { return m_with_credentials; }
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enum class ReadyState : WebIDL::UnsignedShort {
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Connecting = 0,
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Open = 1,
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Closed = 2,
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};
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#dom-eventsource-readystate
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ReadyState ready_state() const { return m_ready_state; }
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void set_onopen(WebIDL::CallbackType*);
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WebIDL::CallbackType* onopen();
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void set_onmessage(WebIDL::CallbackType*);
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WebIDL::CallbackType* onmessage();
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void set_onerror(WebIDL::CallbackType*);
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WebIDL::CallbackType* onerror();
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void close();
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void forcibly_close();
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private:
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explicit EventSource(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void finalize() override;
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virtual void visit_edges(Cell::Visitor&) override;
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void announce_the_connection();
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void reestablish_the_connection();
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void fail_the_connection();
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void interpret_response(StringView);
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void process_field(StringView field, StringView value);
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void dispatch_the_event();
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#concept-eventsource-url
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URL::URL m_url;
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#concept-event-stream-request
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GC::Ptr<Fetch::Infrastructure::Request> m_request;
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#concept-event-stream-reconnection-time
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AK::Duration m_reconnection_time { AK::Duration::from_seconds(3) };
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// https://html.spec.whatwg.org/multipage/server-sent-events.html#concept-event-stream-last-event-id
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String m_last_event_id;
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String m_event_type;
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StringBuilder m_data;
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bool m_with_credentials { false };
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ReadyState m_ready_state { ReadyState::Connecting };
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GC::Ptr<Fetch::Infrastructure::FetchAlgorithms> m_fetch_algorithms;
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GC::Ptr<Fetch::Infrastructure::FetchController> m_fetch_controller;
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};
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}
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