2c9dfadb21
We previously had a bug where markup with unclosed script tags caused the document load event to be delayed indefinitely. Fix this by only marking script elements as delaying the load event once we encounter the script end tag.
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
/*
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* Copyright (c) 2018-2021, 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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#pragma once
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#include <AK/Function.h>
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#include <LibWeb/DOM/DocumentLoadEventDelayer.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/HTML/Scripting/Script.h>
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namespace Web::HTML {
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class HTMLScriptElement final : public HTMLElement {
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public:
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using WrapperType = Bindings::HTMLScriptElementWrapper;
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HTMLScriptElement(DOM::Document&, DOM::QualifiedName);
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virtual ~HTMLScriptElement() override;
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bool is_non_blocking() const { return m_non_blocking; }
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bool is_ready_to_be_parser_executed() const { return m_ready_to_be_parser_executed; }
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bool failed_to_load() const { return m_failed_to_load; }
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void set_parser_document(Badge<HTMLParser>, DOM::Document&);
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void set_non_blocking(Badge<HTMLParser>, bool);
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void set_already_started(Badge<HTMLParser>, bool b) { m_already_started = b; }
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void prepare_script(Badge<HTMLParser>) { prepare_script(); }
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void execute_script();
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bool is_parser_inserted() const { return !!m_parser_document; }
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virtual void inserted() override;
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// https://html.spec.whatwg.org/multipage/scripting.html#dom-script-supports
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static bool supports(String const& type)
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{
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return type.is_one_of("classic", "module");
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}
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void set_source_line_number(Badge<HTMLParser>, size_t source_line_number) { m_source_line_number = source_line_number; }
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void begin_delaying_document_load_event(Badge<HTMLParser>, DOM::Document&);
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private:
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void prepare_script();
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void script_became_ready();
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void when_the_script_is_ready(Function<void()>);
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WeakPtr<DOM::Document> m_parser_document;
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WeakPtr<DOM::Document> m_preparation_time_document;
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bool m_non_blocking { false };
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bool m_already_started { false };
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bool m_from_an_external_file { false };
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bool m_script_ready { false };
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bool m_ready_to_be_parser_executed { false };
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bool m_failed_to_load { false };
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enum class ScriptType {
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Classic,
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Module
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};
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ScriptType m_script_type { ScriptType::Classic };
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Function<void()> m_script_ready_callback;
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RefPtr<Script> m_script;
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Optional<DOM::DocumentLoadEventDelayer> m_document_load_event_delayer;
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size_t m_source_line_number { 1 };
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};
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}
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